HP LaserJet 5P - 6P Service Manual [Proper]

8/10/2019 HP LaserJet 5P - 6P Service Manual [Proper]

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Service Supplement

HP LaserJ et 5P /5MP /6P /6MP P rinter(C3150A /C3155A /C3980A /C3982A)


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Copyright Hewlett -P a cka rd Company 1996

All Righ ts Reserved. Repro-duction, ada pta tion, ortra nslation without priorw ritt en permission is pro-hibited, except a s a llow ed

under the copyright la ws.P ublicat ion num berC3980-99001First edition, August 1996P rinted in USA

WarrantyThe informa tion cont a inedin t his document is s ubjectto change w ithout n otice.

Hewlett-Packard makesno warranty of any kindwith regard to this mate-rial, including, but notlimited to, the impliedwarranties or merchant-abili ty and fitness for aparticular purpose.

Hewlett-Packard shall notbe lia ble for err ors con-ta ined herein or for inciden-ta l or consequentia lda ma ged in connectionwit h t he furnishing, per-

forma nce, or use of th is ma -terial .

WARNINGElectrical Shock HazardTo a void elect rica l sh ock,use only supplied powercords a nd connect only t oproperly grounded (3-hole)w a ll outlets.

Hewlett-P a ckard Company11311 Chin den B oulevar dBoise, Idaho 83714


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Conventions

This m a nua l uses t he follow ing convent ions:

Color is used to empha size items w hich a re import a nt to the ma teria lunder discussion.

The na mes of ma jor printer pa rts a nd a ssemblies a re Ca pita lized.

Bold is used for emphasis, par ticularly in situa tions w here i t a l i c typew ould be confusing .

I t a l i c t ype is used to indica t e rela t ed document s or empha sis.

COMPUTER ty pe indica t es text a s seen on a comput er monitor.

Note Notes cont a in import a nt informa tion set off fromthe text.

CAUTION Ca ut ion m essa ges a lert you to the possibility ofda ma ge to equipment or loss of dat a .

WARNING!Wa rning m essa ges a lert you t o t he possibility ofpersona l injury .

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Contents

Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1Product Information . . . . . . . . . . . . . . . . . . . . . . 2

Key P rinter Loca tions a nd P a rts. . . . . . . . . . . . . . . . 3Model a nd Seria l Numbers . . . . . . . . . . . . . . . . . . 4

Product Specifications . . . . . . . . . . . . . . . . . . . . 5HP La serJ et 5P /5MP . . . . . . . . . . . . . . . . . . . . . 5HP La serJ et 6P /6MP . . . . . . . . . . . . . . . . . . . . . 6Loca t ion Spa ce Requirement s . . . . . . . . . . . . . . . . . 7

Documentation and Software . . . . . . . . . . . . . . . . 8D ocument a tion . . . . . . . . . . . . . . . . . . . . . . . . . 8Softw a re . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

New Product Features . . . . . . . . . . . . . . . . . . . . . 10The HP La serJ et 5P /5MP St at us P a nel . . . . . . . . . . . 10The HP La serJ et 6P /6MP St at us P a nel . . . . . . . . . . . 11Sta tus P a nel B ut tons . . . . . . . . . . . . . . . . . . . . . 12St a tus P a nel Lights . . . . . . . . . . . . . . . . . . . . . . 13Common LE D pat terns . . . . . . . . . . . . . . . . . . . . 14P a per Movement Overview . . . . . . . . . . . . . . . . . . 17Infra red Communica tion . . . . . . . . . . . . . . . . . . . 19To P rint U sing the Infra red P ort . . . . . . . . . . . . . . . 22Troubleshoot ing IR P rint ing P roblems . . . . . . . . . . . . 24In terfa ce Connect ions . . . . . . . . . . . . . . . . . . . . . 27The P a ra llel P rinter Int erfa ces . . . . . . . . . . . . . . . . 28Resource S a ving . . . . . . . . . . . . . . . . . . . . . . . . 29I /O B uffer ing . . . . . . . . . . . . . . . . . . . . . . . . . . 30Reprint ing J a mmed P a ges . . . . . . . . . . . . . . . . . . 31

Service Mode, PJ L Defaults . . . . . . . . . . . . . . . . . 32Test P a ges a nd Resets . . . . . . . . . . . . . . . . . . . . . 34P rinting a Self-Test P a ge . . . . . . . . . . . . . . . . . . . 35

Life Expectancy of Consumables . . . . . . . . . . . . . . 40Removal and Replacement . . . . . . . . . . . . . . . . . . 41

Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41Req uir ed Tools . . . . . . . . . . . . . . . . . . . . . . . . . 42Removing t he P ow er Door . . . . . . . . . . . . . . . . . . . 43Rem oving t he I/O C over . . . . . . . . . . . . . . . . . . . . 43Removing t he Left Side Cover . . . . . . . . . . . . . . . . . 45Rem oving t he Top Cover . . . . . . . . . . . . . . . . . . . . 46Removing t he Tra y 1 P ickup Assembly . . . . . . . . . . . . 49Removing the Format ter B oa rd a nd Shield . . . . . . . . . 52Removing t he Fus ing Assembly . . . . . . . . . . . . . . . . 55Removing t he DC C ont roller Assemblies . . . . . . . . . . . 56

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Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . 60Continua ble Da ta Er ror Light P a tt erns . . . . . . . . . . . 62E rr or 53 -- Memory/S IMM E rr ors . . . . . . . . . . . . . . 65Fa t a l/Service E rrors . . . . . . . . . . . . . . . . . . . . . 67Infra red P ort Not Responding . . . . . . . . . . . . . . . . 73U sing the In fra red Test Tool . . . . . . . . . . . . . . . . . 73

Parts and Diagrams . . . . . . . . . . . . . . . . . . . . . . 75Ordering P a rt s . . . . . . . . . . . . . . . . . . . . . . . . 76Orderin g C onsuma bles . . . . . . . . . . . . . . . . . . . . 77

Parts Index . . . . . . . . . . . . . . . . . . . . . . . . . . . 94Alpha betica l P a rt s In dex . . . . . . . . . . . . . . . . . . . 94Numerica l P a rt s Index . . . . . . . . . . . . . . . . . . . . 100

Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . 106

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Overview

The HP La serJ et 5P /5MP a nd 6P /6MP printers (H P P roductNu mbers C 3150A/C3155A, a nd C 3980A/C3982A) ha ve m a nyservice a nd repa ir processes in comm on wit h t heir predecessors,

t he H P La serJ et 4L/4ML a nd 4P /4MP print ers. These processesa re document ed in t he Com bin ed Ser vi ce M anu al for t he H P L aserJ et 4L/ 4M L (C2003A/ C2015A) H P L aserJ et 4P / 4M P (C2005A/ C2040A) . The purpose of t his a ppendix is t o providesupplementa l service informa tion t ha t is unique to t he H PLa serJ et 5P /5MP a nd 6P /6MP printers.


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Product Information

Printer FeaturesFeatures HP LaserJet 5P/5MP HP LaserJet 6P/6MP

Print Speed 6 PPM 8 PPM

Text & Graphics Resolution 600 dpi; plus Resolution EnhancementTechnology (REt)

600 dpi; plus Resolution EnhancementTechnology (REt)

Printer Languages HP LaserJet 5P and 6P

HP LaserJet 5MP and 6MP

Enhanced PCL 5

PostScript Level 21

Enhanced PCL 5

PCL 6

PostScript Level 21

PCL 6

Monthly Usage (pages) Up to 12,000 Up to 12,000

Memory: HP LaserJet 5P and 6P

HP LaserJet 5MP and 6MP

2MByte on-board standard memory

3MByte on-board standard memory

2 MByte on-board standard memory

3 MByte on-board standard memory

Tray 1 Capacity 100 100

Tray 2 Capacity 250 250

Output Tray capacity 100 100

Internal Typefaces HP LaserJet 5P and 6P

LaserJet 5MP and 6MP

45 PCL

45 PCL, 35 PS

45 PCL

45 PCL 35 PS

Standard Interfaces 2 Parallel (B connector, C connector)1 LocalTalk1 SIR

2 Parallel (B connector, C connector)1 LocalTalk1 Infrared (wireless) port

Power Control Power switch Power switch

NVRAM Yes Yes

Status Panel 2 Buttons5 LEDs

2 Buttons5 LEDs

Economode (toner saving) yes yes

Min. Paper Size(using flat paper path)

3 x 5 inch(76 x 127mm)

3 x 5 inch(76 x 127mm)

1SI MM includes 1 MByt e additional memory.

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Key Printer Locations and Parts.

1. Top Status Panel 5. Infrared Port and Status Light2. Top Output Tray 6. Removable Side Panel3. Tray 1 - MultiPurpose Tray 7. Interface Cable Door4. Tray 2 - 250-sheet Paper Cassette

1. Top Cover Release Button 3. Serial Number Label2. Rear Output Tray 4. Power Cable Door

5. On/Off Button

Figure 1 Front View (5P/5MP shown)

Figure 2 Rear View (5P/5MP shown)


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Model and Serial NumbersThe model num ber a nd seria l num bers a re listed on ident ifica tionla bels loca ted on t he rea r of the print er. The model num berd a realphanumeric: HP La serJ et 5P C3150A H P La serJ et 5MP C 3155A H P La serJ et 6P C3980A H P La serJ et 6MP C 3982A

The serial num ber cont a ins informa tion a bout th e Count ry ofOrigin, t he Revision L evel, t he P roduct ion Code, a nd productionnum ber of th e print er.

The rear labels a lso cont a in pow er ra ting a nd regulat oryinforma tion a s shown in Figure 3.

Figure 3 Sample Model and Serial Number Labels (5P/5MP shown)


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Product Specifications

HP LaserJ et 5P/5MP

Physical DimensionsWidth 15.79 in. (401 mm)

Depth 17.38 in. (441.7mm)

Height 7.92 in. (201.1mm)

Weight 15.4 lbs. (7 kg)

Electrical SpecificationsPower Requirements 100/120V (+/- 10%) 50/60Hz (+/- 2Hz)

127 Volts NOM220/240V (+/- 10%) 50 Hz (+/- 2Hz)

Power Consumption (typical for HP

LaserJet 5P and HP LaserJet 5MP)

During printing - 165 W (average) During printing - 165 W (average)

During standby 5W (instant powersave)During power save mode - 5 W

During standby 5W (instant powersave)During power save mode - 5 W

Minimum recommended circuitcapacity

4 Amps 1.8 Amps

Environmental SpecificationsItem Operating Printing Storage/Standby

Temperature(printer and toner cartridge)

59to 89F (15 to 32.5C) -4to 104F (-20 to 40C)

Relative humidity 10% to 80% 10% to 90%

Acoustic Emissions (Per ISO 9296)

Operator Position Bystander (1m) Sound Power

Printing LpAm 52dB(A) LpAm 46dB(A) LWAd 6.0 bels(A)

Power Save* LpAm


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HP LaserJ et 6P/6MPPhysical Dimensions

Height 7.87 in (200 mm)

Width 15.75 in (400 mm)

Depth (body) 17.52 in (445 mm)

Weight 15.4 lbs. (7 kg)

Electrical SpecificationsPower Requirements 100/120V (+/- 10%) 50/60Hz (+/- 2Hz)

127 Volts NOM220/240V (+/- 10%) 50/60 Hz (+/- 2Hz)

Power Consumption (typical for 6Pand 6MP)

During printing 175 W (average) During printing 175 W (average)

During standby 8 W (instant powersave)During power save mode 8 W

During standby 8 W (instant powersave)During power save mode 8 W

Minimum recommended circuitcapacity 5 Amps 2.4 Amps

Environmental SpecificationsItem Operating Printing Storage/Standby

Temperature(printer and toner cartridge)

59to 89F (15to 32.5C) -4to 104F (-20to 40C)

Relative humidity 10% to 80% 10% to 90%

Acoustic Emissions (Per ISO 9296)Printer State Operator Position Bystander (1m) Sound Power

Printing LpAm 54dB(A) LpAm 48dB(A) LWAd6.3 bels(A)

Power Save* LpAm


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Location Space Requirements

Make sure th ere is a dequa te spa ce for: Opening t op cover ( A ) Opening Tra y 1 ( B ) Loa ding Tra y 2 ( C ) E xtending rear output t ra y ( D )

Figure 4. Location Space Requirements

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Documentation and Software

DocumentationYou ca n order t he document s list ed below. There is a cha rge forsome documents.

Title Part NumberThe PCL/PJL Technical Reference Package contains the following documents* 5961-0601

PCL5 Printer Language Technical Reference Manua l. Explains the PCL 5 printerlanguage for experienced users and programmers.

Printer Job Language Technical Reference Manual . Explains HPs Printer JobLanguage (PJL) for experienced users and programmers.

PCL/PJL Technical Quick Reference Guide .

PCL Comparison Guide . Describes the different implementation of commandsand extensions across the printer family supporting PJL and PCL 5.

HP LaserJet 5P/5MP Printer Users Manual (English) C3150-90901

HP LaserJet 5MP Macintosh Notes * (included with HPLaserJet 5MP Printer and op-tional Adobe PostScript Level 2 SIMM)

C3155-90901

HP LaserJet Printer Family Paper Specification Guide * 5010-6394

HP LaserJet 6P/6MPPrinter Users Manual (English) C3980-90968

HP LaserJet Family Quick Service Reference Guide 5010-6395* This it em mus t be ordered thr ough H P P a rt s Dir ect Or dering, (800) 227-8164.Outside the U .S., see the ordering informa tion in "P a rts a nd Diagr a ms" la ter inthis chapter.

Table 1. Related Documentation

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SoftwareThe follow ing ta ble lists t he softw a re tha t is shipped wit h ea chprinter.

HP LaserJet 5P C3150A

The HP LaserJet 5P DOS Utilities and DOS Printer Drivers diskette. The DOS utili-ties include a Status Monitor and Remote Control Panel. The DOS printer driversinclude WordPerfect (versions 5.1, 5.1+, and 6.0) and Lotus 1-2-3 (versions 2.3,2.4, 3.1 and 3.4).

The HP LaserJet Printing System for Microsoft Windows 3.1 and 3.11containsthe PCL drivers and the HP FontSmart utility for font management.

HP LaserJet 5MP C3155A

The HP LaserJet 5MP Printer Software for Macintosh . Supports System 6.07 to 7.5. The PostScript Printer Software for Windows 3.1 and 3.11 includes the PostScript

drivers and the HP FontSmart utility for font management.HP LaserJet 6P C3980A

The HP LaserJet 6P DOS Utilities diskette. The DOS utilities include a StatusMonitor and Remote Control Panel software.

The HP LaserJet Printing Software for Windows 3.x and Windows 95 contains theStandard (PCL) driver, Enhanced (PCL XL) driver, HP FontSmart, toolbox utilities,and a software deinstaller.

HP LaserJet 6MP C3982A

The HP LaserJet 6P DOS Utilities diskette. The DOS utilities include a StatusMonitor and Remote Control Panel software.

The HP LaserJet Printing Software for Windows 3.x and Windows 95 contains thePostScript drivers (both Windows 3.x and Windows 95) in addition to the Standard(PCL) driver, Enhanced (PCL XL) driver, HP FontSmart, toolbox utilities, and asoftware deinstaller.

The HP LaserJet 6MP Printer Software for Macintosh (supports System 6.07 to

7.5)

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New Product Features

The HP LaserJ et 5P/5MP Status PanelThis HP La serJ et printer h a s been designed to be cont rolledma inly by softw a re. H ow ever, some simple functions a re alsoa va ila ble from t he sta tus panel. You a lso receive sta tusinforma tion a bout t he opera t ion of the Ir DA-compa t ible infra red(IR ) port from t he st a t us light just a bove th e port (for m oreinforma tion, see To P rint U sing the Infra red P ort, la ter in t hisappendix).

1. RESET button 5. DATA status light2. ERROR status light 6. READY status light3. TRAY 1 status light 7. GO button4. TRAY 2 status light 8. IR port status light

The St a tus P a nel consists of tw o butt ons for completing ta sks a ndsix lights t ha t indicat e the sta t us of th e print er (see Figur e 5).

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Figure 5 5P/5MP Status Panel Buttons and Lights

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The HP LaserJ et 6P/6MP Status PanelThe sta tus panel on t he HP La serJ et 6P /6MP printer d iffersslightly from t he 5P /5MP printer. The st a tu s light s for Tra y 1 a ndTra y 2 ha ve been moved from top st a t us pa nel dow n t o t he front ofth e printer. These sta tus light s a re now loca ted next t o th e tra ys.In a ddition, th e Reset butt on ha s been replaced by t he J ob Ca ncelbutton.

1. JOB CANCEL button 5. GO button2. ERROR (back) light 6. TRAY 1 (top) status light3. DATA (middle) light 7. TRAY 2 empty light4. READY (front) light 8. IR (bottom) status light

The St a tus P a nel consists of tw o butt ons for completing t a sks a ndsix lights t ha t indicat e the sta t us of the printer (see Figure 6).

Figure 6 6P/6MP Status Panel Buttons and Lights


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Status Panel ButtonsThe HP La serJ et 5P /5MP printer ha s tw o butt ons: G O an dRESET.

The HP La serJ et 6P /6MP printer ha s tw o butt ons: G O an dJ OB CANCEL.

Pressing the GO button: Tells t he print er t o resume printing. P rint s a demo pa ge. The printer must be in Rea dy Mode (t he

green Rea dy light on st eady). P rints a self-test pa ge when pressed simulta neously wit h t he

RE SE T but t on (J OB CANCE L but t on on th e 6P /6MP . Theprinter m ust be in Rea dy Mode (t he green Rea dy light onsteady).

P rints unprinted da ta in the print er s memory (th e Rea dy a ndDa ta l ights a re both on stea dy).

Pressing the RESET button: (available on 5P/5MP) Clea rs incomplete print jobs from t he print er s m emory. Clears errors. Removes all tempora ry fonts a nd m a cros. Returns a ll print er settings to the default va lues tha t you

selected.

Pressing the J OB CANCEL button: (available on the6P/6MP) P ress t o ca ncel a job th a t t he printer is current ly printing. The

t op sta t us pa nel lights w ill cycle wh ile t he print er memory isbeing clea red, an d t hen return to a ready sta te (front light on).The print er w ill cont inue receiving da t a unt il the job iscomplet e. This da t a w ill be disca rded. This ma y ta ke a w hile,depending on t he size of t he print job.

If J OB CANCE L is a ccident a lly pushed, the job must bereprint ed. There is n o undo function.

If J OB CANCE L is pushed wh en the print er is idle, th e toppa nel st a t us light s w ill cycle, but n oth ing else will ha ppen.


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Status Panel L ightsThere are six St a tus P a nel lights on the printer:

ERROR TRAY 1 DATA TRAY 2 READY IR Status

These lights ind ica t e the current sta tu s of t he print er by

display ing an a mber or a green hue a nd flashing individua lly orsequent ia lly as a group (ca sca ding).

ERROR (amber)In dica t es an error condit ion, such a s a pa per ja m, missing t onerca rt ridge, or th e print ers t op cover is open.

DATA (green)

When t he Da t a light is on, th e print er is printing. When th e Rea dylight a nd the Da ta light a re both on, th e printer still ha s unprint eddat a in its memory. Either press G O to print the remaining da ta ,or press RES E T/J OB CANCE L t o clea r t he da t a from t he print er smemory.

READY (green)The printer is in Rea dy Mode w hen t he Rea dy light is on. If t helight is fla shing, the printer is currently r eceiving dat a or in t heprocess of print ing.

TRAY 1 (amber)Tra y 1 (t he MP t ra y) is empty . Add pa per t o Tra y 1. When t heTra y 1 light is flas hing, t he print er is wa iting for pa per t o bema nua lly fed into Tra y 1. Once you ha ve insert ed th e pa per, youmust press th e G O button t o feed the paper.

TRAY 2 (amber)Tra y 2 (t he P a per C a ssett e) is empty. Add pa per t o Tra y 2.


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IR Port Status Light (green)The sta tus light a bove the IR port indica tes t he current sta tus oft he IR port by displa ying a green hue. This sta t us light comes onw hen a connect ion ha s been esta blished w ith t he IR port. Theother St a tus P a nel l ights opera te the sa me for t he IR port a s theydo for a ny oth er port on the printer.

Common LED patternsThe follow ing cha rt shows t he light pa tt erns for norma lHP La serJ et 5P /5MP a nd 6P /6MP print er sta tes. If t he Err or lightis on, t he printer is experinecing a n error. Err or messa ges a relisted la ter in t his a ppendix.

Light PatternDescription

5P/5MP 6P/6MP

The printer is in Ready Mode and is ready to print.Press the GO button to print a demo page. Press theGO and RESET/JOB CANCEL buttons to print a self-test page.

The printer has received data. If the Ready light isflashing, the printer is processing the datawait forthe next page to be printed.


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Light Pattern Description5P/5MP 6P/6MP

If the Data light and the Ready light are both on for anextended period of time (the Ready light does notbegin to flash), press the GO button to print the data inthe printer. A page may take a long time to print if, forexample, the page contains complex text or graphics.

If each light briefly turns on and off, in sequence, theprinter is warming up, processing a self test, orcanceling a print job.The lights will continue tocascade until the printer is ready to print.

Tray 1 (the MP Tray) is empty. Add paper to the tray.


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Light Pattern Description5P/5MP 6P/6MP

If the Tray 1 light is flashing, the printer is waiting forpaper to be manually fed into Tray 1. Once you haveinserted the paper, you must press the GO button tofeed the paper.

Tray 2 (the Paper Cassette) is empty. Add paper to thetray.

When the IR port status light is on, a connection hasbeen established. If you are printing to the IR port andthe status light does not come on, make sure theprinter is in Ready Mode and that the IR port you areprinting from is within range of operation and is IrDA-compliant. If you continue to have trouble printing,refer to the Infrared Port Not Responding table, laterin this section.


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Paper Movement OverviewThe paper feed syst em picks print m edia a ut oma t ica lly fromTra y 1 or Tra y 2 an d delivers it t o t he ima ge forma t ion sys t em a tprecisely t he right t ime. The syst em t hen feeds t he media t o t hefusing st a tion, a nd delivers th e finished product t o th e out putposition, eith er th e fa ce-down out put t ra y on t op of t he printer, ort hrough t he fa ce-up delivery slot a t t he rea r of the print er. Theout put pa th is user-select a ble by opening t he rear output t ra y.

Figure 7 show s t he possible pa per pa t hs a nd loca t ions of thevarious solenoids, photosensors and rollers.


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PS1 Input Paper Sensor Input Paper Sensor (PS1) Positions:PS2 Tray 2 Paper Out Sensor A = Manual Feed Sense Position

PS3 Exit Paper Sensor B = Registration Sense PositionPS4 Winding Paper Sensor C = TOP Sense PositionPS5 Tray 1 Paper Out Sensor SL1 Tray 2 Solenoid

SL2 Tray 1 Solenoid

DC Controller PCA

PS 3

Figure 7 HP LaserJet 5P/6P Printer Paper Path


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Infrared CommunicationThe H P La serJ et 5P /5MP a nd 6P /6MP printers a re equipped w itha n I nfra red Da t a link Associa tion (Ir DA) complian t port . The IrD Aspecifica t ion a llow s wireless t ra nsm ission of print da t a betw een aw ide va riety of hosts (prima ry) a nd peripheral (seconda ry) devices.A prima ry device -- such a s a P C or la ptop comput er -- is ca pa ble ofreading a nd w riting da ta to another prima ry device or w riting to aseconda ry d evice, such a s a printer. S econda ry d evices a reread-only; th ey ca nnot initia te t heir own communica tion, and ca n

only respond t o a host comm a nd w hen properly a ddressed.

The IR port w orks by receiving da ta similar ly to a serial port , butw ithout a ca ble. The port s speed depends on the print er model:

HP Laserjet 5P/5MP printer 115 k bit s per s econd

HP Laserjet 6P/6MP printer up to 4 mega bit s per second

When t he IR connection is est a blished, th e sta t us light comes on. I fthe connect ion is broken or w hen t he print job is complete, th est a t us light goes off.

The I rD A protocol uses a t ra nsceiver chip in bot h devices to senda nd r eceive da t a pa ckets. The pa ckets a re checked for va lidit y, a nd

a response is sent by t he seconda ry device indica ting w heth er thepa ckets w ere complete or in error.

The I rD A protocol is cont a ined in t hree la yers:

The physica l elect ronics a re th e ha rdw a re elements in ea chdevice for sending a nd receiving t he da t a .

The L ink Access P rotocol (LAP ) la yer contr ols t he phy sica lla yer, pa cketizes/unpa cketizes da ta , a nd sets tra nsm ission ra t es.

The Link Man a gement P rotocol (LMP ) lay er rout es dat a to a ndfrom t he host opera t ing syst em (DOS/Window s).

The da ta flow is show n in Figur e 8.


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The LAP a nd LMP lay ers ca n reside in eith er firmw a re, softw a re,or a combina t ion of bot h. There a re different LAP a nd L MPprot ocols for prima ry a nd seconda ry devices.

The HP La serJ et 5P /5MP a nd 6P /6MP printers ha ve the completesecondar y protocol, a nd a ny host t rying t o communica te via t heinfra red (IR) port must ha ve the complete prima ry protocol insta lled.The pr im ar y pr otocol soft war e i s th e r esponsibi l i ty of th e host suppl i er .I t i s not pr ovid ed by H ewl ett-Packar d Com pany w it h th e pr i nt er .

IrD A communicat ions can be obta ined either via a n int ernal I Rport or a n externa l IR a ccessory. S everal m a nufa ct urers offercomplete a ccessory upgra des for bot h host a nd periphera l devices.

Protocol SerializerIR Chip

Application

GDI DDI

Ptr DVR

IRLMP

IRLAP

IR Physical

Transmitter

Receiver

Receiver

Transmitter

IR Physical

IRLAP

IRLMP

I/O Buffer

Formatter

Data Packets & Queries

Responses

secondarydevice

primarydevice

ASCII Data

WindowsSystem

Standard WindowsLJ Printer Driver (SW)

IR Redirector(Software)

IR Driver PacketizesData (SW or FW)

ASCII toRaster Data

ASCIIData Buffer

Unpacks Data

Checks Packets

ProtocolDeserializerIR Chip

Figure 8. IR Data Flow.


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To Print Using the Infrared PortThe infr a red (IR ) port on y our H P La serJ et 5P /5MP or 6P /6MPprinter is loca t ed on t he low er front left corner of th e print er(Figure 9). This port is complia nt w ith t he specifica t ionsdetermined by t he Infra red Da ta Associat ion (IrD A). J ust a bovethe port is a sta tus l ight tha t indica tes w hen the port is activat ed.To use th e IR port , you need t o use a port a ble device tha t a lsoincludes an I rD A-complian t I R port a nd be wit hin t he ra nge ofopera t ion (see Figure 10).

The IR port is compa tible w ith a w ide var iet y of IrD A-complian t

port a ble devices; how ever, t he met hod for print ing w ill va rydepending on t he ty pe of device a nd t he opera t ing syst em in use.Refer to t he instru ct ion ma nua l for your port a ble equipment forspecific inst ructions on print ing from t ha t device.

1. Ma ke sure the print er is in Rea dy Mode (th e Ready light is on).

2. Align your la ptop comput er (or ot her port a ble equ ipment ) th a tis equipped w ith a n I rD A-complian t IR port w ithin 3 feet (1 m)of the IR port on t he printer a nd a t a n a ngle of 15 degrees t oensur e print ing (Figure 10).

3. S end the print job. The sta tus light a bove the IR port t urns on(printing a complex document or using a software print spooler onyour P C m a y dela y the time it t a kes for th e IR sta tus light t o turn

Figure 9 IrDA Port Location (5P/5MP shown)


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on). If the status light does not turn on, realign the port on yourportable equipment with the port on the printer, resend theprint job and stay within the range of operation during printing.

4. If you ha ve to move the device, ma ke sure you sta y w ithin t hera nge of opera tion t o ma inta in t he connection. If t he connect ionis int errupted before your prin t job is complete, th e IR portst a t us light w ill t urn off. You ha ve from 3 t o 40 seconds(depending on the host im plementa t ion) t o correct t he

int erruption an d cont inue the job. In t his ca se, the IR portsta tus l ight t urns back on.

5. The connect ion can be perma nent ly broken (interrupted for moretha n 3 to 40 seconds) if the sending I R port is moved out of thera nge of opera tion or if a nyt hing passes betw een t he tw o ports toblock the t ra nsmission, such a s a ha nd or piece of paper, or evendirect sunlight . In th is ca se, the job needs to be reprinted.

If you still have problems printing, ma ke sure you are using a n

IrD A-complia nt device a nd proper software a nd ha ve selected theproper port for print ing. See "Infra red P ort Not Responding" on page 71.

30

1 Meter

3 feet

Figure 10 IRDA Port ranges (5P/5MP shown)


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Note The IrDA standa rd for infra red communica tionsrepresents a n emerging technology. Oldernon-IrDA-compliant port able devices ma y not becompa tible with your H P La serJ et 5P /5MP , 6P/6MPprinter. If you cont inue to ha ve problems print ingusing the IR port , conta ct the ma nufacturer or dealerwhere you purchased your portable device to verifycompat ibility w ith the IrDA sta nda rd, and follow thetroubleshooting procedure immediately following.

Troubleshooting IR Printing ProblemsIR print ing problems ma y be ca used by a ny of th e several syst emcomponent s or by la ck of proper configur a t ion. The follow ingchecklist w ill help deter mine t he source of the problem.

1. Verify t he user is opera ting t he print er a nd P C a s described inth e U ser s Ma nua l: less tha n one meter betw een devices, andnot more th a n 15 degrees from direct cent er.

2. Verify the host P C or laptop a nd the printer are IrDA-compliant a ndha ve the necessary ha rdw a re components for IR communica tion.

3. Verify t he IR soft w a re ha s been loa ded on t he prima ry device.(This is system softw a re a nd should be a va ila ble from t he P Cmanufacturer.)

4. Verify th e host P C or la ptop is properly configured. Ch eck t heport a ssignment, the IRQ level, an d th e ba se address va lue.Ch eck bot h th e DOS AU TOE XEC .B AT a nd C ONFI G .SYS files,a nd th e Windows syst em configura t ion.

If a ll these element s a re properly inst a lled a nd configured, use the IRtest t ool to test t he IrDA protocol tra nsmission a nd device opera t ion.

This t ool for t roubleshooting I R communicat ion problems, show n inFigure 10, ha s been developed by G enoa Technology, Inc., incoopera t ion w ith H ewlett -P a cka rd. The pa rt number is 5062-4661a nd ca n be ordered through HP P a rts D irect Ordering.


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The IR t est t ool ca n be used w ith a ny I rD A-complian t prima ry orseconda ry device, rega rdless of ma nufa ct urer.

To test t he periphera l device:

1. P ut t he printer in Rea dy Mode.

2. P ress the " P eriphera l Test" butt on on the t est t ool. The LE Dson t he t est t ool w ill sequence.

If th e "P ASS " LE D lights, the t est w a s successful, indica ting tha tcommunica t ion w ith the print ers IR port is functioning norma lly. OnHP La serJ et print ers, a self-test pa ge will be initia ted by the test.

If the " TES T" LE D goes out a nd the " P ASS " LE D fa ils to l ight, t heprint ers IR port is n ot functioning correct ly; check t he opera t orsinst ructions included w ith t he IR t est t ool.

LBTest Connect Pass

PeripheralTest

ComputerTest

Test Modes

PCL PrinterPostScript PrinterEnergy DetectTest Frame

s w i t c

h e s

IR Diodes

Figure 11 Infrared Test Tool


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To t est t he host comput er:

1. P lace th e test t ool on a ta ble in front of the P Cs IR port

2. P ress t he " Computer Test" but ton. The t est t ool w ill sequencethe LEDs.

If th e "P ASS " LE D light, the test w a s successful , indica ting tha tcomm unica tion w ith t he printer s IR port is funct ioning norma lly.

If th e "TES T" LE D goes out a nd the " P ASS " LE D fails to l ight, thehost s IR port is not fun ct ioning correct ly.


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Interface ConnectionsYour H P La serJ et 5P /5MP , 6P /6MP printer support s t he follow inginterfaces (see Figure 12):

Tw o IE E E -1284complian t par a llel port s a t t he ba ck of t heprinterone la rge B -ty pe an d one sma ll C-ty pe.

One Loca lTa lk port a t th e back of th e print er.

One IrD A-complia nt infra red port a t t he front of t he printer.

1. LocalTalk cable and connectors.2. IEEE-1284 parallel cable and large (B-type) printer connector.3. I EEE-1284 parallel cable and small (C-type) printer connector. (The cable will be stamped as IEEE-

1284 compatible.4. Host PC connector (A-type) (in the future C-type connectors may also be available on host PCs).

Cau t ion Make sure tha t a ll pow er an d interfa ce ca bles onyour printer a nd host comput er a re properlygrounded a nd in complian ce w ith loca l elect rica lcodes.

Figure 12 HP LaserJet 5P/5MP, 6P/6MP Printer Interface Connections


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The Parallel Printer InterfacesThese int erfa ces a re complia nt w ith IE E E -1284 specifica t ions for" Compa tibility Mode a nd Nibble Mode or H P B i-tr onics. To usea dva nced int erface funct ions, such a s bi-direct iona lcommun ica tion, t he para llel port on y our host P C m ust a lso beIE E E -1284 " Nibble Mode" compa t ible.

The sm a ll C conn ector offers IE E E -1284 II (level 2) elect rica lint erfa cing, i.e. support for ca bles up to 10 met er leng t h. The la rge

" B " connector support s st a nda rd cable lengths up t o 3 meters.

The par a llel int erfa ces ca n opera t e a t speeds of up to 2 MB yt es persecond. U se a high-qu a lity, sh ielded IE E E -1284 complian t par a llelint erfa ce ca ble t o insure best performa nce a nd support of a dva ncedint erfa ce functions such a s bi-direct iona l comm unica t ion.Complia nt ca bles a re ma rked wit h IE E E -1284" on th e ca ble.

Applica tions such a s th e Remote Contr ol P a nel, St a tu s Monit or, ort he St a tu s Window use the printer s para llel int erfa ce to sendst a t us informa t ion ba ck t o the comput er (bi-direct iona lcomm unica t ion). This r equ ires a direct connect ion from t hecomput er t o the print er via a loca l par a llel port (for exa mple,LP T1:, LP T2:). These a pplica t ions m a y not w ork t hrough anetw ork or a sw itching device.

Connecting to Networks and SwitchboxesMost devices connect ed bet w een t he printer a nd t he host comput erprevent t he print er from sending da ta ba ck to th e comput er.Therefore, the Remote C ont rol P a nel, St a tus Monitor, and St a tusWindow m a y not w ork with n etw orks, most ha rdw a re printspoolers, some s oftw a re print spoolers, a nd some sw itchboxes.Newer sha ring devices a re ava ila ble tha t fully support st a tusfeedba ck. Ch eck w ith your supplier on support for bi-direct iona lcommunication.

Automatic I/O SwitchingThe print er a ut oma tically sw itches betw een a ll interfa ces (par a llel,infra red, an d Loca lTa lk) w hen mult iple users sha re the printer.


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Resource SavingResource Sa ving gives the printer t he a bility to sa ve certa inentities such a s perma nent soft font s, ma cros, symbol sets a nduser-defined gra phics pa t t erns w hen th e printer cha ngespersona lities, resolutions or pa ge protect m odes. For example, if auser sw itches the printer from P CL mode t o PostS cript mode, a llP CL soft font s a nd ma cros a re lost.

With resource saving, t he H P La serJ et 5P /5MP , 6P /6MP printer

ca n reta in t hese in memory. When th e user switches ba ck t o PC Lfrom P ostS cript a ll of th e P CL entities would st ill be resident int he H P La serJ et 5P /5MP , 6P /6MP printer. Resource Sa ving ca n becha nged via softw a re, but ca n only be a ccessed w hen the printerha s t he P ostS cript langua ge insta lled and a minimum memoryconfigura t ion of 7 MB .

Resource Sa ving ca n be set via soft w a re for one of th ree modes,AU TO (defau lt), ON, a nd OFF . Aut o configura t ion s ets t he

Resource Sa ving for P CL a nd P ostscript t o a minimum va lue (400KB yt es) for ea ch persona lity. Set t ing Resource Sa ving to ONa llow s th e user t o determ ine how much print er memory will beused for Resource Sa ving for t he P CL persona lity a nd t heP ost script persona lity. The memory ca n be a lloca t ed in 100 KB yt esincrement s. For exa mple, if the user set s t he Resource Sa vingmemory size to 200 KB yt es, a t ot a l of 400 KB yt es of memory w illbe as signed t o Resource Sa ving. 200 KB yt es of memory w ill beused for P ost script Resource Sa ving a nd 200 KB yt es of memory

w ill be used for P CL Resource S a ving. Turning Resource S a vingOFF disa bles th e Resource Sa ving function a nd no memory isa lloca t ed to Resource Sa ving.


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I/O BufferingI/O buffering a llow s t he user t o alloca t e printer m emory t o hold t hejob w hile it prints, fr eeing up t he host sy st em sooner, like a printspooler. The sta nda rd print er ha s a pproxima tely 10 KB yt es ofmemory a lloca t ed to I/O buffering a nd a n a ddit iona l 100 KB yt es ofmemory is a ssign ed to I/O buffering for each MB yt es of memorya dded to the printer.

If t he printer ha s a minimum of 6 MB yt es of memory insta lled, t he

I/O buffer size ca n a lso be adjusted via softw a re. Three set t ingsexist for the I /O buffer ; AU TO (defa ult ), ON, a nd OFF. AU TO set st he printer s I/O buffer t o a minimum va lue tha t is determined byth e tota l am ount of memory tha t is resident in the printer. Sett ingI/O buffering t o ON a llow s t he us er t o set t he I /O buffer s izeSett ing t he I /O buffering t o OFF disa bles I/O buffering.

Note When y ou cha nge t he I /O buffer set t ing a lldow nloa ded resources a re delet ed.


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Reprinting J ammed PagesWhen a pa per ja m is clea red in the HP La serJ et 5P printer a ndoth er previous HP La serJ et print ers, th e printer w ill aut oma tica llyreprint t he pa ge(s) th a t w ere ja mmed. The HP La serJ et 6P print erw ill not do th is by default w ith st a nda rd memory insta lled. Theuser must send the a ffect ed pa ge(s) a ga in from t he host system t oreprint t hem. If th e user w ishes th e printer t o reprint jam medpages a ut oma tica lly, th e best solution is t o a dd memory t o th eprint er. If the user does not w a nt t o a dd memory but st ill wa nt s

ja mmed pa ges to reprint a utomat ica lly, the REP RINT P J Lva ria ble should be cha nged from its defa ult sett ing of AU TO toON.

Note If th e RE P RINT var iable is turned ON w ithonly defa ult m emory insta lled in t he HPLa serJ et 6P print er, th e user ma y experiencedela ys wh en print ing mult i-pa ge jobs. Thesedela ys ma y substa nt ially reduce the number ofpag es print ed per minut e.


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Service Mode, PJ L Defaults

The S ervice Mode should be used only by a ut horized serv icepersonnel. While in Service Mode, you can:

P rint a S ervice Mode Self Test. Verify a nd set th e P a ge Count (th e pa ge count a lso is displa yed

on t he sta nda rd self test). Set t he Cold Reset Defa ult. (This sets t he factory defa ult pa per

size t o eith er Lett er or A4). Set t he Demo P a ge= True/Fa lse. U sed to remove t he Demo P a ge

option from t he self test menu. Set t he Dia gnostic Fun ct ions ON or OFF (for soft w a re

developers use only).

S ince the H P La serJ et 5P /5MP , 6P /6MP printer does not ha ve afront cont rol pa nel, Service Mode a nd m a ny configura tion ta sksa re accessible only th rough softw a re (P J L comma nds).

The follow ing exa mple shows h ow t o use P J L comm a nds t o enterS ervice Mode a nd perform va rious Service Mode configura t iontasks.

Note Text is CAS E -sensitive in P J L; enter exactly a sshow n. The E C symbol sta nds for t he ASC IIesca pe cha ra ct er (E S C or /027). When the P J Lcode is entered, print t he da t a file (or use t heDOS COPY comm a nd t o copy it to t he printer).

Det a iled expla na tions of P J L comma nds a nd t heir functions ca n befound in th e P rinter J ob La ngua ge Technica l Reference Ma nua l(H P pa rt nu mber 5961-0704).

HP LaserJet 5P/5MP, 6P/6MP Printer Service SupplementService Mode, PJL Defaults

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Common PJL Commands

PJL Command ExplanationEC%-12345X@PJL Start PJL job.@PJL SET SERVICEMODE=HPBOISEID Enter Service Mode@PJL SET PAGES=0 Set page count [= xxxxx]@PJL SET CRPAPER=LETTER Sets cold reset page size [= Letter/A4]

@PJL SET SKIPDEMO=FALSE Skips demo/PCL type page [= true/false]@PJL SET DIAGNOSTICS=OFF Sets diagnostics [= OFF/ON] (for ISV use)@PJL SET SERVICEMODE=EXIT Exits Service Mode@PJL DEFAULT PAPER=LETTER Selects user paper size default@PJL RESET Performs PJL resetEC%-12345X Exits PJL modeECz Prints Self-Test pageECE Resets the printer.

Other PJL Command examples:@PJL INITIALIZE Sets user environment to factory defaults.@PJL SET ECONOMODE=ON Sets Economode@PJL SET PAGEPROTECT=LEGAL Sets the memory size for page protection to LEGAL

paper size.@PJL SET MANUALFEED=ON Sets manual feed mode.@PJL SET LANG =FRENCH, GERMAN...Sets the default display language11

Do not confuse this comma nd w ith @P J L E NTER LANG U AG E, w hich setsthe printer la ngua ge to PC L or P ostS cript.


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Test Pages and ResetsTest pa ges, reset s, a nd NVRAM initia lizat ion can a ll be performedby using the G O a nd RE SE T/J OB CANCE L butt ons on t he HPLa serJ et 5P /5MP , 6P /6MP printer s t a tu s pa nel. Ta ble 2 shows how t o perform th ese test s a nd dia gnostic functions.

FUNCTION ACTION RESULTDemo Page Press GO button when printer is idle. Prints page that highlights printer

features and demonstrates print quality.

Self Test Press GO and RESET/JOB CANCELbuttons simultaneously.

Prints a Self Test page.

Continuous SelfTest

Hold GO buttonmore than 20 secondsafter powering on printer

Prints continuous self test pages. Pressthe button to stop printing.

Reset (all I/O) Press RESET button. (5P/5MP only) Clears all data from memory, including

unprinted data, downloaded temporaryfonts and macros.

Job Cancel Press JOB CANCEL button. (6P/6MPonly)

Stops a job that is curently printing,including receiving data from the hostuntil the job is finished. Memory will clearand printer will return to a Ready State.

Continue (Waiting for paper, or continuable error.)Press the GO button.

Allows the printer to recover andcontinue printing the job.

Form Feed Press the GO button. Print remaining data in printer memory.

Cold Reset Hold RESET/JOB CANCEL buttonless than 20 seconds after turning power on. Clears all data from memory, includingunprinted data, downloaded fonts andmacros. Resets printer to factory defaultsettings.

NVRAMInitialization

Hold RESET/JOB CANCEL buttonmore than 20 seconds after turning power on.

Clears all I/O and print configurationinformation from NVRAM.

Service ErrorCodes

Press GO and RESET/JOB CANCELbuttons to display additional code.

See "Troubleshooting" to determine theproblem and solution.

Table 2. Button Functions


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Printing a Self-Test PageYou ca n print a self-test pag e to get informa tion a bout y ourprinter s curr ent sett ings, options, a nd print q ua lity. You ca n uset his page t o t roubleshoot print qu a lit y problems a nd t o view current print density a nd Resolution E nha ncement sett ings so youca n a djust t hem.

You can a lso print t he demo, or demonst ra t ion, pa ge to quicklycheck tha t t he print er is opera t iona l.

To print a self-test page:Simulta neously press the G O an d RE SE T/J OB CANCE L but tonson t he printer s St a tus P a nel while th e printer is in Rea dy Mode.

Or using t he HP La serJ et P CL Window s P rinter Driver, underDevice Opt ion, select t he Configure P rint er butt on a nd chooseP CL S elf-Test P a ge.

Or using t he Remot e Control P a nel (in D OS), under Optionsselect P rint Test P a ge an d choose P CL S elf-Test P a ge.

Figure 13 show s a sa mple self-test page for t he HP La serJ et 5Pprinter. Numbers in th e sam ple self-t est pa ge ma t ch num bers inth e Key t o Figure 13, w hich follow s t he illust ra tion. Thea ppea ra nce of t he self-t est pa ge va ries depending on th e optionscurrently insta lled in th e print er.

Figure 14 show s a sa mple self-test page for t he HP La serJ et 6Pprint er. Numbers in t he sa mple selft t est page ma tch numbers inth e Key t o Figure 14, w hich follow s t he illust ria tion. Thea ppea ra nce of t he self-t est pa ge va ries depending on th e optionscurrently insta lled in th e print er.

Note The fa ct ory defau lt for t he self-t est pa ge isE nglish. A P J L comma nd is required to cha ngeth e self-t est la ngua ge to a ppear in a lan gua geot her th a n E nglish. Refer t o t he discussion ofP J L comma nds on page 33


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Figure 13. HP LaserJet 5P Self-Test Page


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Key to Figure 13. Self-Test PageItem Explanation

1 Printer Options: Lists printer options you can adjust using your printer software (see Appendix F, SoftwareProcedures).

2 Test Pages: Shows test pages you can print from your printer.

3 PCL Memory Information: Shows the total amount of installed memory. Also indicates the amount ofavailable memory for PCL applications.

4 LocalTalk Name/Node ID/Network Number: If your printer is connected to a LocalTalk network, shows the

network name, node ID for your printer, and the network number.5 Formatter Number: Shows serial number of internal electronics board.

6 RAM size: Shows total installed printer memory.

7 Page Count: Shows number of pages the printer has printed.

8 Firmware Datecode: Eight-digit date (YYYYMMDD) of formatter firmware.

9 Resolution Enhancement: When resolution is set to 600 dpi, the Resolution Enhancement technology(REt) block appears here. The REt block illustrates current resolution enhancement (see Fine-Tuning PrintQuality, in Chapter 2, Printing).

10 I/O Buffering and Resource Saving: Information about the current configuration appears here. If theprinter does not have enough memory installed to enable I/O Buffering or Resource Saving, the amount ofadditional memory needed appears here.

11 Print Pattern: Illustrates print density and quality.

12 Installed Personalities: Shows which printer languages (personalities) are installed.


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Figure 14. HP LaserJet 6P Self-Test Page


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Key to Figure 14. Self-Test PageItem Explanation

1 Printer Information:Lists the Formatter Number, Firmware Datecode, Page Count, and LocalTalk Networkinformation for the printer.

2 Memory:Lists printer memory, I/O Buffering data, and Resource Saving data.

3 Installed Personalities and Options:Lists all personalities, such as PCL and PostScript that are installed, and the status of

each SIMM slot.4 REt block:

This block is used when adjusitng the Resolution Enhancement technology (REt)setting.

5 Settings:Current pritner default settings and product-specific information.


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Life Expectancy of Consumables

Alwa ys inspect th e component s listed in t he follow ing t a ble forw ea r w hen servicing t he print er. Replace th ese component s a sneeded, based on print er failures or w ea r, not st rict ly on usa ge.

DESCRIPTION QTY EST. LIFE(pages) REMARKS

1. Toner Cartridge 1 40001 When print becomes faint, shake cartridge

to distribute remaining toner.

2. Tray 1 Pickup Roller 1 100,000 Replace roller and separation pad together.

3. Tray 2 Pickup Roller 1 100,000 Look for glazing and cracks.

4. Separation Pad 1 100,000 Look for glazing and grooves. Replacetogether with Pickup Roller.

5. Transfer Charging Roller 1 100,000 May affect print quality and/or paper jams.

6. Fuser Assembly(115 V, 50/60 Hz)

Fuser Assembly(220 V, 50 Hz)

1

1

100,000

100,000

May affect print quality and/or paper jams.Look for marks on rollers.

7. Exhaust Fan 1 25,000 hrs.

1The estima ted Toner Ca rt ridge life is based on A4 or lett er size print s w itha n a vera ge of 5% toner coverage, a nd w ith t he density setting a t 3.

Table 3. Life Expectancy of Consumables

HP LaserJet 5P/5MP, 6P/6MP Printer Service SupplementLife Expectancy of Consumables

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Removal and Replacement

OverviewThe remova l a nd repla cement procedures for m a ny HP La serJ et5P /5MP, 6P /6MP print er Field Repla ceable Unit s (FRU s) a reident ica l to the HP La serJ et 4L a nd 4P printers. This sectiondescribes only t hose differences unique t o the HP La serJ et 5P /5MP ,6P /6MP for removing:

P ow er Door I /O C over Left S ide Cover Top Cover Tra y 1 P ickup Assembly Forma tt er Boa rd Assembly

Fuser Assembly D C Cont roller Assembly

WARNING! U nplug t he pow er cord from t he pow er out letbefore a tt empting t o service the printer. If t hisw a rning is not follow ed, severe injury m a y result.

Never opera t e or service the printer w ith t heprotect ive cover r emoved from theLa ser/S ca nn er Assembly. The r eflected bea m,a lthough invisible, ca n da ma ge your eyes.

CAUTION The printer cont a ins part s t ha t a re elect rosta ticdischa rge (E SD ) sensitive. Alw a ys serviceprinters at a n E SD protected w orksta tion.

HP LaserJet 5P/5MP, 6P/6MP Printer Service SupplementRemoval and Replacement

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CAUTION To inst a ll a self-ta pping screw, first t urn itcount er-clockw ise to a lign it w ith t he exist ingth read pat tern, t hen ca refully t urn clockwise totighten. Do not over-tighten. If a self-tappingscrew-hole becomes stripped, repair of the screw-holeor replacement of the affected assembly is required.

Note Alwa ys remove the toner ca rt ridge a nd t hepa per casset t e from t he printer before removingor repla cing print er pa rt s.

Required ToolsRefer t o pa ge 6-3 of t he Combined Service Ma nua l.

A TORX T-10 hea d screw driver is n eeded to remove the forma t t ershield.


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Removing the Power DoorThe P ow er Door is loca t ed on t he right rea r of the print er.

1. E nsure the pow er to the printer is turned OFF.2. G ra sp the pow er door by t he finger slot d irect ly a bove the pow er

cord, a nd sw ing t he rea r of the door out a nd forw a rd. The dooreasily tilts a nd lifts out.

3. U nplug th e pow er cord from t he printer power socket.

Removing the I/O CoverThe I /O C over is loca t ed t o the left r ea r of t he print er.

5P/5MP I/O Cover1. Loca te t he tw o release ta bs show n in Figure 15. P ress the ta bs

in, a nd sw ing t he rea r of t he door out a nd forw a rd. The dooreasily lifts a w a y from th e print er.

Figure 15 5P/5MP I/O Cover Release Tabs


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6P/6MP I/O Cover1. P ull th e I/O door out u sing t he finger slot for leva ra ge.

Figure -16 6P/6MP I/O Cover Finger Slot


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Removing the Left Side Cover1. Disconn ect a ll I /O ca bles.

2. P ress t he Top Cover Release but t on on th e right side of th eprinter, a nd open t he t op cover.

3. P ress th e remova ble side pa nel as show n in Figure 17.

4. Slide th e cover forw a rd a nd pull stra ight a w a y from t he side ofth e printer.

Figure 17 Left Side Cover Release Latch (5P/5MP shown)


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Removing the Top Cover1. Remove the t oner ca rtr idge and paper ca ssette if they ha ve nota lread y been removed.

2. Rem ove the (4) self-t a pping prin t er cover screws (Fig ure 18).

3. G ra sp the low er left front corner of the t op cover, a nd lift itforwa rd an d up.

4. G ra sp the low er port ion of t he right front cover, an d pullforwa rd an d up.

5. At t he rear of the print er, lower t he face-up out put t ra y.

Figure 18 Removing the Top Cover Screws


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6. Lift t he rea r of th e printer slight ly. G ra sp the low er right ba ckcorner. With y our t hum bs, flex t he pla st ic t ow a rd you, up, a ndout . Figure 19 shows t his process for t he rea r r ight corner.Repea t th e process for t he left rea r corner.

Note Note the position of th e ta bs a nd t he ca t chesca refully. This st ep ma y r equire considera bletw isting a nd flexing of th e pla stic in order t o freeth e relea se ta bs.

7. Lift t he print er cover stra ight up.

Figure 19 Releasing the Back Corner of the Top Cover


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Rep lacemen tNo te

When reseating the top cover onto the printerfra me, ensure the bla ck paper-out flag in front ofTra y 1 is sea ted in t he groove of the Tra y 1 liftpla te. If not in the groove, it can ea sily brea k whenthe cover is forced into pla ce. Refer to Figure 20

Figure 20 Paper-Out Flag


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Removing the Tray 1 Pickup Assembly1. Remove Tra y 1 by opening the t ra y a t a 45 a ngle and pullingup on t he t ra y (F igure 21).

2. U nplug the t w o ca bles (Ca llout 2 in Figur e 22) by gra sping th eca bles where they a tt a ch t o th e plug and pulling stra ight ba ck.

3. Route th e ca bles th rough the right side of the printer cha ssisa nd bring them to the front .

4. Remove the 5 screw s (ca llout 1 in F igure 22) from t he front oft he pickup a ssembly. (Tw o screw s a re a dja cent in t he low er leftcorner.)

Figure 21 Removing Tray 1.


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5. P ress th e tw o relea se ta bs on either side of the pickup a ssembly(callout 3 in Figure 19) a nd pull the a ssembly a w a y from theprinter. (The left side release t a b is par t ia lly hidden from view .P ressing in on both sides w ill release t he ta bs.)

6. P ull the pickup assembly stra ight out from t he back of theprinter.

7. To remove th e roller from th e pickup a ssembly, gra sp th e ta bson t he right end of the roller an d slide it t o th e right (shown inFigur e 23).

Figure 22 Tray 1 Pickup Assembly Locations.


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Rep lacemen t

No te

When repla cing t he pickup a ssembly roller, holdthe sha ft from the left side so th a t th e pickuproller sha ft a nd gear s w ill rema in in place.

Figure 23 Replacing the Pickup Roller


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Removing the Formatter Board and Shield1. Remove a ny inst a lled SIMMs.

Note There a re t w o TORX screw s holding t he I /Oconnect or in posit ion (Ca llout 1 in F igure 24).These a re t he only t w o TORX screw s in t he H PLa serJ et 5P print er. Note a lso t he loca tion of thet est print but ton hole (Ca llout 2) on t he s ide ofth e forma tt er boa rd cover.

Figure 24 TORX Screw Locations.


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2. Remove th e (7) screws shown in F igure 25.

3. P ull th e forma t ter boa rd str a ight from t he side of the cha ssis.(There w ill be a slight resista nce from t he D C C ont rollerinterconnect.)

4. P ull th e DC cont roller int erconnect out (F igure 26).

5.5. To sepa ra te t he forma tt er P CA from its sh ield, remove the tw oscrews (refer t o ca llout 1 in F igur e 21).

Figure 25 Removing the formatter screws.


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Note RE TAIN TH E D C CONTROLL E RINTE RC ONNE CT w hen repla cing th e DCCont roller B oa rd. The repla cement boa rd pa rtnum ber does not include th is interconnect .

Figure 26 Removing the DC Controller Interconnect.


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Removing the Fusing Assembly1. Remove the t op cover a ssemblies.

2. Loca te t he black pla st ic fuser cover a t t he ba ck of th e print er.P ress the relea se ta b (ca llout 1 in F igure 27).

3. Slide th e cover all the w a y t o the right.

4. P ull th e left end of the strip tow a rd you a t a 45 a ngle.

5. S lide th e cover to th e left a nd out of the print er.

6. Remove the four screw s (2 self-t a pping screws , t w o ma chinescrew s w ith w a shers) directly below t he fuser a ssembly.

7. G ra sp the fuser by t he green plast ic ha ndle and pull out fromth e printer.

Figure 27 Removing the fuser cover.


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Removing the DC Controller AssembliesThe DC C ontr oller Assembly is loca t ed on t he bott om of th eprinter. The P CA is protect ed by a met a l shield a ssembly, a nd ismounted to a plast ic ba se. The Forma tt er P CA a nd FusingAssemblies a re connect ed direct ly int o t he DC C ont roller a nd m ustbe removed prior to remova l of th e DC Cont roller Assembly .

Cau t ion Failure to remove these components beforeremoving t he DC Cont roller will result in printerdamage.

1. Remove th e printer covers (pa ge 43), Forma t t er P CA an d S hield(pa ge 53), a nd Fu sing Assem blies (pa ge 55).

2. On th e right side, remove the ma chine screw a nd w a sher(Figu re 28) holding t he ground ing sprin g in pla ce. (Ca llout 1 inFigur e 25).

3. Disconnect t he tw o ca bles t o t he tr a y 1 a ssembly (ca llout 2 inFigur e 25).


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4. On th e left side, remove t he (2) screw s th a t a t t a ch t hegrounding st ra p to th e G ea r Tra in Assembly (see ca llout 1 inFigu re 6-36 of the C ombined S ervice Ma nua l). Turn t hea ssembly upside-down before proceeding w ith furt her st eps.

5. Remove t he (5) self-t a pping screws a nd t he (1) ma chine screw w ith sta r w a sher from t he bott om of the DC C ont rollerAssembly . (S ee ca llout s 2 and 3 in F igure 6-36 in t he C ombin edService Ma nua l.)

6. Lift t he DC Controller Assembly a w a y from t he printer fra me.

Figure 28 Grounding Spring screw location.


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Note The P S1 In put S ensor Arm ma y come loose a ndfa ll out w hen you remove t he DC Cont rollerAssembly. S ee Figur e 6-51 in the C ombin edS ervice Man ua l for re-inst a llat ion.

7. Remove the meta l ba cking plat e from the D C ControllerAssem bly (see pa ges 6-43 a nd 6-44 in t he C ombined S erviceMa nua l for t his procedure.)

8. Disconn ect Tra y 1 In t erconnect P CA (ca llout 2 in F igure 26)and cable 302 (callout 1 in Figure 29) from the DC C ontr ollerPCA.

Cau t ion Remove the Tra y 1 In t erconnect P CA ca refully;it can easily be broken w hen sepa ra t ing it fromt he bla ck pla st ic cover.

Note The Tra y 1 In terconnect P CA a nd ca ble musta lso be reta ined w hen replacing t he DCCont roller B oa rd. The part num ber for t he DCCont roller B oa rd does not include a repla cementP CA a nd ca ble. This cable ca n be direct ly pulledfrom t he connect or n o relea ses a re necessa ry.


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Figure 29 Tray 1 Interconnect PCA and Cable 302


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Troubleshooting

The t roubleshoot ing process for t he H P La serJ et 5P /5MP a nd6P /6MP print ers h a s t w o key differences from t he 4L/4ML print er:

Different error light pa tt erns (5 LE Ds inst ea d of 4).

In fra red port t roubleshoot ing.

This sect ion provides a list a nd expla na t ion of th e error L E Dpa tt erns a nd instr uctions on tr oubleshoot ing th e infra red port

A data error has occurred. Press the[GO] button tocontinue printing (some data may be lost). For moreinformation, see Data Error Light Patterns, later in thisappendix.

A SIMM error has occurred. Make sure your SIMM isinstalled correctly. Replace the SIMM that caused theerror. Or press the[GO] button on the printer to continuewithout configuring the SIMM that caused the error. If the

SIMM has more than one bank of memory, the goodbanks will be automatically configured.

HP LaserJet 5P/5MP, 6P/6MP Printer Service SupplementTroubleshooting

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A fatal error has occurred. Turn the printer off and thenback on. If the same light pattern reappears, turn theprinter off again and leave it off for about 10 minutes,then turn it back on. If the same light pattern reappears.refer to the discussion of Fatal Errors in"Troubleshooting."

A recoverable error has occurred, such as a paper jam,the top cover is open, or the toner cartridge is missing.


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Continuable Data Error Light PatternsP ossible da ta error light pat terns a re listed in the first column of thefollow ing ta ble. If the Error a nd Da ta lights on the St a tus P a nel a relit, simulta neously press the G O a nd RE SE T/J OB CANCE L but tonson the print er to displa y a seconda ry light pat tern. This seconda rylight pa t tern, or da ta error light pa t tern, will more precisely describethe problem. Where more tha n one da ta error light pa tt ern ispossible, corresponding comput er messa ges a re listed in the secondcolumn.

Da ta Error Light P a t te rn5P /5MP 6P /6MP

ComputerMessage

Descript ion &Recommended Action

20 ME MOVERFLOW

Too much data, or data too complex.

Turn Page Protection ON or to AUTO (canbe set within the Remote Control Panel).2. Add optional memory.3. Reduce the complexity of the print job.

Press GO to resume printing.

21 P RINTOVERRUN

22 IO E RROR The computer and printer are notcommunicating because of improper signalprotocols. Indicates a loose cableconnection or a bad or poor quality cable.

Reseat the cable and make sure you areusing a high-quality cable


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Da ta Error Light P a t te rn5P /5MP 6P /6MP ComputerMessage Description &Recomm ended Act ion

40 ERROR Indicates an abnormal connection breakoccurred while transferring data from thecomputer.

Press GO on the printer to clear the errormessage.

41 ERROR A temporary error occurred while printing.This error most commonly occurs when theprinter picks two sheets of paper at once.The page containing the error is reprintedautomatically. (first two light sequences)

Remove the page from the output tray andpress GO on the printer

51/52 E RROR The printer detected a temporary errorcondition.

Turn the printer off then on. If the problempersists replace the laser scanner assembly.

55 ERR OR The printer detected a temporary errorcondition

Turn the printer off then back on. If problempersists, replace the DC Controller. If theproblem still continues, replace the formatterPCA.


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Da ta Error Light P a t te rn5P /5MP 6P /6MP ComputerMessage Descript ion &Recommended Action

68 SE RVICEor 68 RE ADY/SERVICE

The printers nonvolatile memory (NVRAM)is full or defective.

Press GO on the printer to clear the errormessage. If problem persists, 1. Perform NVRAM Reset to clear NVRAM(hold down the RESET/JOB CANCELbutton for more than 20 seconds during

power on.2. Replace the formatter PCA.


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Error 53 -- Memory/SIMM ErrorsError 53 is indica ted by a combinat ion of the Er ror LED a nd eitherTra y LE D, on a nd st eady. More deta il about the error is found bypressing the G O a nd RE SE T/J OB CANCE L but tons simulta neously,w hich causes a seconda ry sequence of light pa tt erns. These secondarypat terns form a bina ry representa tion of the exact ha rdw a re type,device a nd error number in t he form 53-XY-ZZ a s shown in Ta ble 4.

Figure 30 expla ins how to rea d t he light sequences. The initia lsequence (P a rt 1) show s t ha t E RROR 53 ca n be indica ted by t w odifferent light sequ ences, depending on th e X va lue: ROM (x = 0) orin RAM (x = 1) . P ressing G O a nd RE SE T/J OB CANCE L t ogetherproduces a seconda ry light pat t ern, w hich revea ls th e Y- a nd ZZ-va lues, w hich complet e th e error code (P a rt II ) . The bina ry Yva lue is rea d from t he top tw o LE DS ; the bina ry Z va lue is rea d

from t he low er three LE DS . P a rt I II of Figure 27 show s the bina ryva lues of th e different light combina t ions.

X-HardwareType Y-Hardware Device ZZ - Error Number

0: ROM 0: On board RAM/ROM 00: Unsupported memory

1: RAM 1: SIMM slot 1 01: Unrecognized memory

2: SIMM slot 2 03: Unsupported memory size

3: SIMM slot 3 04: Invalid SIMM speed05: SIMM reporting informationincorrectly

06: SIMM address conflict

07: Could not make temporary mapping

Table 4. Memory Error Codes


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Figure -30 Secondary Light Patterns


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Fatal/Service ErrorsThe follow ing t a bles show fa t a l/service errors, w hich a re notcont inua ble; no furt her opera tion of the print er w ill occur unt ilcorrective a ct ion is ta ken.

LED Display5P/5MP 6P/6MP ERROR CODE Description and Recommendation

50 Fuser Malfunction 1. Remove power to the printer for 10minutes. If this doesnt clear the error:2. Perform the Fuser Checks shown in TableC-6.3. Check the Fuses (FU101 and FU201) onthe DC Controller PCA. Replace if faulty.3. Replace the DC Controller PCA.

Table 5. Fuser Malfunction

SUSPECTED CAUSE CHECK1. Connector Contact Ensure that J103 and J204 connectors on the Fusing Assembly are seated

securely into the DC Controller PCA connectors (see Figure 6-29 in theCombined Service Manual for locations). Reseat the Fusing Assembly.

2. Thermistor wire open. Remove the Fuser and measure the resistance between connectors J204-1and J204-2 (see Figure 6-29 in the Combined Service Manual for location).Resistance should read approximately 440 K Ohms at 20 Deg C (roomtemperature). If the thermistor wire is open, replace the Fusing Assembly.

3. Thermal Fuse. Measure the continuity between connectors J103-1 and J103-2 on the Fuser(see Figure 6-29, the Combined Service Manual for location). It should beapproximately 30 5 Ohms for 100-120 VAC or 127 5 Ohms for 220-245VAC. If the thermal fuse is open, replace the Fusing Assembly.

Table 6. Fuser Checks


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57/58 Main MotorFailure

The DC Controller has reported a generalmotor failure. The Main Motor is controlled bythe DC Controller PCA, and seated intoconnector J601. Power-cycle the printer. If

this doesnt clear the message:1. Does the main motor rotate on power-up?If no:a. Reseat the Main Motor into the DCController connector.b. Inspect the Gear Train for debris thatwould block the free operation of the gears.c. The toner cartridge may not be rotating.Refer to "Drum Rotation Functional Check inthe Combined Service Manual.d. Main Motor faulty. Power up the printerand observe if stacker rollers rotate. If not,replace the Main Motor.e. Replace the DC Controller PCA.

If the main motordoes rotate:2. Does the fan turn during printing?If no:a. Power-cycle the printer.b. Check the fan to determine if it is blockedfrom operation.c. Reseat the fan connector on theLaser/Scanner Assembly.d. Replace the Fan.e. Replace the Laser/Scanner Assembly.f. Replace the DC Controller.g. Replace the connector between thescanner and DC Controller.

Table 7. 57/58 Main Motor Failure


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61.1 SIMM Slot OneParity Error

1. Power-cycle the printer.2. Reseat the SIMM.3. Replace the SIMM.

61.2 SIMM Slot TwoParity Error

61.3 SIMM Slot ThreeParity Error

Table 8. 61.x SIMM Parity and Memory Errors


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62.1 SIMM Slot OneMemory Problem

1. Power-cycle the printer.2. Reseat the SIMM.3. Replace the SIMM.

62.2 SIMM Slot TwoMemory Problem

62.3 SIMM Slot ThreeMemory Problem

Table 9 62.x SIMM Parity and Memory Errors


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62.0 Internal MemoryProblem63 Internal RAMMemory Test Failed

64 Scan Buffer Error

1. Power-cycle the printer.2. Replace the Formatter PCA.

Table 10. 62/63/64 Internal Memory Error


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64 ERROR:Video DMA Timeout


Table 12. Video DMA Timeout Error


65 ERROR:Dynamic RAMController


Table 11. Dynamic RAM Controller Error


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Infrared Port Not Responding

Using the Infrared Test ToolA special infra red tr oubleshoot ing t est t ool ma nufa ctu red byG enoa Technology, I nc. in coopera tion w ith H ewlett -P a cka rd isa va ila ble thr ough H P Direct Ordering (pa rt num ber 5062-4461).Refer to t he discussion beginn ing on page 22 for more informa t ion.

Situation SolutionThe connection cannot be established orthe transmission seems to be taking longerthan usual.

Make sure the device you are using is IrDA-compliant; lookfor an IrDA symbol on the device or refer to the manual forthe device for IrDA specifications.

Make sure that the operating system on your computerincludes an IR driver and your application uses a HPLaserJet 5P/5MP, 6P/6MP compatible printer driver.

Make sure you have positioned the device within the rangeof operation and that no objects, such as a finger, paper,books, or bright light, are interfering with the connection.Also make sure the two IR ports are clean (free from dirtand grease).

Bright light of any kind (sunlight, incandescent light,fluorescent light, or light from an infrared remote control,such as those used for TVs and VCRs) shining directly intoone of the IR ports may cause interference.

Position the device closer to the IR port on the printer.

The printer prints only part of a page ordocument.

The connection has been broken during transmission. If youmove the portable device during transmission, theconnection can be broken. IrDA-compliant devices aredesigned to recover from temporary connectioninterruptions. Re-establish the connection (depending onthe device you are using, you can have anywhere from 3 to40 seconds to re-establish the connection).

The print job has been properly sent to the

printer, but the printer will not print.

If the connection is broken before the entire print job has

been transmitted to the printer (printing has not yet started),the printer may not print any of the job. If the Data light ison, press the RESET/JOB CANCEL button to clear theprinters memory. Then, position the device within the rangeof operation, and print the job again.

The IR status light turns off duringtransmission.

The connection may have been broken. If the Data light ison, press the RESET/JOB CANCEL button to clear theprinters memory. Then, position the device within the rangeof operation, and print the job again.


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Tray 2 Paper Out

Sensor PS2

AAWinding Paper

Sensor PS4

Input Paper

Sensor PS1

Tray 1 Paper Out

Sensor PS5

Tray 1Inter-connect

PCA

Tray 1 Pickup Assembly

Exit Paper

Sensor PS3

Tray 2 Solenoid

SL1

J101

VR301

Registration

Adjust

J301

J302S

olenoid

SL2

J402

J404

J403

J401

J207

Infrared

Sensor

SW201

J202

SW301

Engine Test

J204

J103

FU201

FU101

AC Power

Supply Circuitry

DC Power

Supply Circuitry

High Voltage

Power Supply

Circuitry

TO FRONT OF PRINTER

J201

J601

AA

Figure 31 Main Wiring Diagram


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Parts and Diagrams

The figures in t his sect ion illustr a t e th e ma jor suba ssemblies inth e printer a nd t heir component pa rts. A ta ble (ma teria l list)follow s ea ch exploded a ssembly dia gra m. E a ch t a ble lists th ereference designa tor (item n umber) for ea ch pa rt , th e a ssocia tedpart number for t he item, t he qua nt ity, a nd a description of thepar t .

While looking for a par t n umber, pay ca reful at t ention to thevolta ge listed in th e description column t o ensure th a t t he pa rtnumber select ed is for t he correct model of print er.

HP LaserJet 5P/5MP, 6P/6MP Printer Service SupplementParts and Diagrams

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Ordering PartsAll sta nda rd par t numbers listed a re stocked a nd ma y be orderedfrom H P s P a rts D irect Ordering, or P a rt s Center Eur ope (P CE ).

Hewlett-Packard Co.Support Materials Organization8050 Foothills Blvd.Roseville, CA 95678Parts Direct Ordering: 1-800-227-8164 (U.S. Only)

Hewlett-Packard Co.Parts Center, EuropeWolf-Hirth Strasse 33D-7030 Boeblingen, Germany(49 7031) 14-2253

Conta ct your loca l HP P a rts Coordinat or for oth er loca l phonenumbers.


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Ordering ConsumablesConsum a bles a nd a ccessories such a s t hose listed on page 8-5, a ndin Ta ble 4-1, Cha pter 4, ma y be ordered d irect fromH ewlett -P a cka rd. The phone num bers ar e:

U.S.: 1-800-538-8787Canada: 1-800-387-3154(Toronto) 416-671-8383

United Kingdom: 0734-441212Germany: 0130-3322

Conta ct your loca l HP P a rts Coordinat or for other loca l phonenumbers.

Note P a rt s tha t ha ve no reference designa tor or partnumber a re not field replacea ble pa rts a ndca nnot be ordered th rough SMO.

The ma jority of pa rt s numbers a re the sa me forbot h t he H P La serJ et 5P /5MP a nd t he 6P /6MPprinters. P a rts t ha t a re different for t heHP La serJ et 6P /6MP print ers are highlight ed.


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Figure 32. HP LaserJet 5P/6P Covers and Doors


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REF PART NO. QTY DESCRIPTION1 RG5-1709-000CN

RG5-2782-000CN1 Top Door Assembly (5P/5MP)

Top Door Assembly (6P/6MP)

2 RG5-1699-000CNRG5-2779-000CN 1 Power Connector Cover Assy (5P/5MP)Power Connector Cover Assy (6P/6MP)

3 RB1-5931-000CNRB1-9160-000CN

1 Cover, Main (HP LaserJet 5P/5MP)Cover, Main (HP LaserJet 6P/6MP)

4 RB1-5935-000CNRB1-9164-000CN

1 Button, Lock (HP LaserJet 5P/5MP)Button, Lock (HP LaserJet 6P/6MP)

5 RS5-2228-000CN 1 Spring, Compression

6 RB1-5936-000CNRB1-9165-000CN

1 Guide, Lock Button (HP LaserJet 5P/5MP)Guide, Lock Button (HP LaserJet 6P/6MP)

7 RG5-1697-000CNRG5-2785-000CN 1 Paper Feed Tray Assembly (5P/5MP)Paper Feed Tray Assembly (6P/6MP)

8 RB1-5939-000CN 1 Arm, Tray 1 Sensor

9 C3150-00004C3155-00001C3980-00001C3982-00001

1 Nameplate (HP LaserJet 5P)Nameplate (HP LaserJet 5MP)Nameplate (HP LaserJet 6P)Nameplate (HP LaserJet 6MP)

10 RS5-2418-000CN 1 Spring, Torsion

11 RB1-5937-000CN 1 Stopper, Hinge, Right

12 RB1-5938-000CN 1 Stopper, Hinge, Left13 RS5-2419-000CN 1 Spring, Torsion

14 RF5-0593-000CN 1 Brush, Mirror

15 RB1-5934-000CNRB1-9151-000CN

1 Cover, Interface Connector (5P/5MP)Cover, Interface Connector (6P/6MP)

16 RG5-1710-000CNRG5-2780-000CN

1 Side Cover Assembly (5P/5MP)Side Cover Assembly (6P/6MP)

17 RB1-5927-000CN 1 Bushing

18 RB1-5924-000CNRB1-9171-000CN

1 Tray, Sub-assy, Face-Up (5P/5MP)Tray, Sub-assy, Face-Up (6P/6MP)

19 RG5-1707-000CNRG5-2784-000CN

1 Face-Up Tray Assembly (5P/5MP)Face-Up Tray Assembly (6P/6MP)

Table 13. Covers and Doors


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Figure 33. HP LaserJet 5P/6P Internal Components (1)


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REF PART NO. QTY DESCRIPTION

1 RG5-1801-000CNRG5-2776-000CN

1 Fan Assembly (5P/5MP)Fan Assembly (6P/6MP)

2 RB1-6006-000CN 1 Arm, Sensor3 RB1-6332-000CN 1 Pick-Up Roller (tray 2)4 RG5-1692-000CN

RG5-2796-000CNPick-Up Assy (tray 2) (5P/5MP)Pick-Up Assy (tray 2) (6P/6MP)

5 RG5-1799-000CNRG5-2786-000CN

1 Motor Assembly (5P/5MP)Motor Assembly (6P/6MP)

6 C3150-00005C3980-00007

1 Formatter Shield (5P/5MP)Formatter Shield (6P/6MP)

7 C3152-69001C3987-69001

1 PostScript SIMM (exch.) (5P/5MP)PostScript SIMM (exch.) (6P/6MP)

8 C3151-67901C3151-69001C3981-69001

1 Formatter PCA (new)Formatter PCA (exch.) (5P/5MP)Formatter PCA (exch.) (6P/6MP)

9 0515-2701 2 TORX screws10 RB1-5971-000CN 1 Leaf Spring

11 RG5-1713-000CNRG5-2778-000CN 1 Gear train Assembly (5P/5MP)Gear train Assembly (6P/6MP)12 RB1-5999-000CN

RB1-9195-000CN1 Plate, Grounding, Left (5P/5MP)

Plate, Grounding, Left (6P/6MP)13 RB1-5998-000CN

RB1-9194-000CN1 Plate, Grounding, Right (5P/5MP)

Plate, Grounding, Right (6P/6MP)

Table 14. Internal Components (1)


81

Documents

HP LaserJet 5P - 6P Service Manual [Proper]