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Printer message troubleshooting

1. Description Part number Figure Ref Control panel overlay Traditional Chinese 8500 C3983 40002 models Control panel overlay Traditional Chinese 8550 C7096 40005 models Control panel overlay Turkish 8550 models C7096 40001 Controller PCA cover with label for stacker C4779 60503 283 7 Controller PCA cover with label for stapler C4788 60508 283 7 stacker Cover assembly front RG0 0112 000CN 250 3 Cover assembly inner left RG0 0104 000CN 253 1 Cover assembly left upper RG0 0113 000CN 250 4 Cover assembly rear RG0 0115 000CN 251 5 Cover assembly right lower RG5 3096 000CN 252 16 Cover assembly top RG0 0111 000CN 251 2 Cover auxiliary RA0 0078 000CN 251 20 Cover back C4785 60505 282 37 Cover back RB2 2519 000CN 278 71 Cover cable RB1 9805 000CN 256 9 Cover cable RB1 9948 000CN 258 3 Cover carousel stop RB1 9789 000CN 254 11 Cover density sensor RB1 9537 000CN 252 32 Cover fan RF0 0012 000CN 251 39 Cover front C4785 60504 280 26 Cover front with LED window RF5 2568 000CN 278 76 Cover front right RA0 0069 000CN 250 9 Cover gear RB1 9403 000CN 257 7 Cover hinge RA0 0068 000CN 250 8 Cover inner 2 RA0 0026 000CN 253 2 Cover inner 3 RA0 0027 000CN 253 3 Cover inner 4 RFO 0013 000CN 253 4 Cover left RF5 2646 000CN 278 77 Cover left lower RB1 6480 000CN 250 10 590 Chapter 8 Parts and diagrams
2. Internal components 2 of 6 Figure 255 EN 530 Chapter 8 Parts and diagrams Table 64 Internal components parts 2 of 6 Ref Description Part number Qty 6 Lever assembly transfer drum RG5 3046 000CN 1 7 Lever assembly pressure RG5 3045 000CN 1 8 Bushing RS5 1119 000CN 1 10 Lever assembly black cartridge RG5 3087 000CN 1 22 Switch black toner cartridge SW644 WC4 5136 000CN 1 23 Photo interrupter IC TLP1240 WG8 5210 000CN 1 29 Bushing RS5 1317 000CN 1 30 Bushing RS5 1317 000CN 1 40 Crossmember RB1 0010 000CN 1 501 Ring E XD2 1100 642CN 2 EN Illustrations and parts lists 531 Internal components 3 of 6 Figure 256 EN 532 Chapter 8 Parts and diagrams Table 65 Internal components parts 3 of 6 Ref Description Part number Qty 1 Cover right rear lower corner RA0 0074 000CN 1 2 Transfer drum contact assembly RG5 3044 000CN 1 4 Spring compression RB1 9675 000CN 3 5 Rod power switch RB1 6463 000CN 1 6 Spring leaf RB1 6909 000CN 1 7 Gear 11T RB1 9424 000CN 1 8 Sensor assembly color toner RG5 3034 000CN 1 9 Cover cable RB 1 9805 000CN 1 15 Mount clutch RB 1 9828 000CN 1 20 Developer imaging drum bias supply RG5 3026 030CN 1 21 High voltage power supply RG5 3943 000CN 1 24 Post
3. Ref Description Part number Qty 20 User LED PCA with cable C4785 60515 1 21 Adjustable fixed caster C4785 60511 2 22 Attachment assembly rod bracket cables C4785 60516 1 23 Blind cover C4785 60503 1 24 Face down bin C4785 60502 1 25 Face up bin C3764 60505 1 26 Cover front C4785 60504 1 27 Exchange multi bin mailbox assembly C4785 69519 1 Note You must have a 2 000 sheet input unit in order to install a multi bin mailbox 28 Multi bin mailbox assembly C4785 60534 1 product number C4785A Note You must have a 2 000 sheet input unit in order to install a multi bin mailbox 29 Multi bin mailbox controller with metal box 878 C4785 60532 1 30 Caster fixed C4785 60510 2 31 Cover top C3764 60555 1 Kit 1 Plastic parts C4785 60519 1 1G Spacer plastic Kit 3 Hardware C4785 60521 1 3A Screw Torx 3B Screw Torx T20 M4 x 10 3D Screw Torx T20 M4 x 12 Kit of rollers for jam access door C4785 60526 1 EN Illustrations and parts lists 565 KITS 3D KITS c43 ng as 0 ree ly x IS NG eS LINA a E NY Hito PSSA Tm T O LANA Wd KIT 1 1A Figure 281 Multi bin mailbox components 2 of 3 566 Chapter 8 Parts and diagrams EN Table 87 Multi bin mailbox component parts 2 of 3 Ref Description Part number Qty 32 Flipper assembly with cable request C4785 60529 1 33 Head assembly with metallic tape C4785 6
4. Internal components 5 of 6 Figure 258 EN 536 Chapter 8 Parts and diagrams Table 67 Internal components parts 5 of 6 Ref Description Part number Qty 3 Cover cable RB 1 9948 000CN 1 7 Shield case assembly RG5 3023 000CN 1 7D Rail PCA RB2 0005 000CN 1 14 Gear 14T RB1 9955 000CN 1 15 Gear 14T RB1 9956 000CN 1 17 Transfer drum RG5 3039 000CN 1 18 Laser scanner unit RG5 3936 000CN 1 24 Sensor assembly toner waste RG5 3934 000CN 1 37 Screw w washer M4 x 12 XA9 0940 000CN 4 EN Illustrations and parts lists 537 Internal components 6 of 6 Figure 259 EN 538 Chapter 8 Parts and diagrams Table 68 Internal components parts 6 of 6 Ref Description Part number Qty 3 Holder fan RF5 2025 000CN 1 4 Duct RB1 9682 000CN 1 7 Fan 2 FM2 RH7 1373 000CN 1 8 Fan 1 FM1 RH7 1330 000CN 1 14 Static charge eliminator assembly RG5 3973 000CN 1 15 Cleaning roller assembly RG5 3975 000CN 1 16 Spring torsion RS5 2698 000CN 1 19 Bushing RS5 1319 000CN 2 20 Spring torsion RS5 2697 000CN 1 21 Transfer drum cleaner holder assembly RG5 3111 000CN 1 30 Cassette crossmember assembly RG5 3089 000CN 1 32 Rail tray 3 RF5 1396 000CN 1 36 Transfer mount assembly RG5 3008 000CN 1 37 Sensor sli
5. User Service LED LEDs Message description Recommended action Multi bin mailbox unlatched from 78 8 Check alignment of the multi bin the printer mailbox VHN The multi bin mailbox is not properly Check the attachment clips attached to the printer Check adjustable casters Check the interlock switch Flipper error Check for media jam in the flipper During the flipper calibration an assembly area abnormal reference voltage was Check cable connections encountered Replace flipper assembly Replace the multi bin mailbox controller PCA Face up bin is too full Remove media from the face up Will The face up bin is too full bin MM VT Check for jammed sensor flag Replace the flipper assembly Check for proper cable connection Jam in flipper area Open jam access door and check Time out condition at the entry area for media jam or out of place VILL flipper assembly shaft MMM Check for jammed paper sensor Replace the flipper assembly Replace the multi bin mailbox controller PCA Jam in belt Check for media jam in the Time out condition in the transport transport belt system delivery WML WML belt head assembly Ensure free movement of the transport belt both belts Ensure that belts are parallel in the transport belt system Check that the metal tape is in place and in good condition Replace the transport belt motor Replace the multi bin mailbox co
6. Part number Description Figure Ref C3983 90919 HP Color LaserJet 8500 8500 N 8500 DN Quick Reference Guide English C3989 60115 HP Color LaserJet 8500 8500N 8500 DN Service and Support CD ROM C3989 90937 HP Color LaserJet 8500 8500 N 8500 DN User s Guide English C4149A Black toner cartridge C4150A Cyan toner cartridge C4151A Magenta toner cartridge C4152A Yellow toner cartridge C4153A Drum kit Imaging drum Two air filters Hand wipe C4154A Transfer kit Transfer drum Transfer belt Cleaning roller Charcoal filter Hand wipe C4155A 110 volt fuser kit Fuser Six paper rollers Hand wipe C4156A 220 volt fuser kit Fuser Six paper rollers Hand wipe C4179A HP Color LaserJet soft gloss paper letter sized 200 sheets C4179B HP Color LaserJet soft gloss paper A4 sized 200 sheets C4779 60502 Stacker door assembly for stacker 283 6 C4779 60503 Controller PCA cover with label for stacker 283 7 C4779 60505 Stacker bin for stacker 283 3 C4779 60507 Stacker controller PCA stacker 284 18 C4779 60508 Offset module stacker 284 19 C4779 60509 Optical sensors kit 284 576 Chapter 8 Parts and diagrams Table 91 Numerical parts list continued Part number Description Figure Ret
7. Part number Description Figure Ref C4788 60523 Attachment assembly rod bracket cables 284 14 C4788 60524 Flipper ribbon cable 284 10 C4788 60527 Paper stacker clip 284 C4788 60528 Stapler bin for stapler stacker 283 3 C7096 40001 Control panel overlay Turkish 8550 models C7096 40002 Control panel overlay Polish 8550 models C7096 40004 Control panel overlay English 8550 models C7096 40005 Control panel overlay Traditional Chinese 8550 models C7096 40006 Control panel overlay Korean 8550 models C7096 40007 Control panel overlay Simplified Chinese 8550 models C7096 40009 Control panel overlay French 8550 models C7096 40010 Control panel overlay German 8550 models C7096 4001 1 Control panel overlay Spanish 8550 models C7096 40012 Control panel overlay Dutch 8550 models C7096 40014 Control panel overlay Swedish 8550 models C7096 40015 Control panel overlay Finnish 8550 models C7096 40016 Control panel overlay Danish 8550 models C7096 40017 Control panel overlay Italian 8550 models C7096 40019 Control panel overlay Czech 8550 models C7842A 8 MB synchronous DIMM NOTE For all DIMM products you must install DRAM DIMMs in synchronized pairs for example two 4 MB DIMMs C7843A 16 MB synchronous DIMM C7845A 32 MB synchronous DIMM C7846A 64
8. lt type gt Media type specified in the printer driver or application lt size gt Media size specified in the printer driver or application The lt type gt and lt size gt can be the default media type and size if an automatic paper override has occurred or if GO was pressed during a mount request 394 Chapter 7 Troubleshooting Event log message None Action Open tray 4 and the VTU remove the jammed media and close both Event log message 13 00 11 Action Open the right upper door and remove the jammed media 2 Load the media type and size indicated on the printer control panel EN Table 42 Unnumbered printer messages continued CLEARING PAPER FROM PRINTER Description The printer is attempting to remove unusable media such as a misfed page or media damagedin a media jam Event log message None Action No action is required CLOSE lt location gt DOOR Description The printer senses that one of the doors is not closed properly lt location gt A printer door COLD RESET Description The printer has recognized the key sequence for performing a cold reset The printer will reset to the factory default settings Note Before performing a cold reset print a configuration page as a reference for resetting the printer settings See page 415 for information about printing a configuration page Event log message None Action 1 Close the door indicated in the mess
9. EN Illustrations and parts lists 553 Delivery cover assembly Figure 273 Delivery cover assembly Table 80 Delivery cover assembly parts Ref Description Part number Qty Delivery cover assembly RG5 3108 000CN 1 12 Holder flapper RB1 9751 000CN 1 13 Cover left upper RB2 0057 000CN 1 24 Hinge stopper delivery RF5 2701 000CN 1 554 Chapter 8 Parts and diagrams EN Transfer belt assembly PB a 9 o EI Figure 274 Transfer belt assembly Table 81 Transfer belt assembly parts Ref Description Part number Qty Transfer belt assembly RG5 3047 000CN 1 EN Illustrations and parts lists 555 Fuser assembly Fuser assembly 1 of 2 Figure 275 EN 556 Chapter 8 Parts and diagrams Fuser assembly 2 of 2 Figure 276 Illustrations and parts lists 557 EN Table 82 Fuser assembly parts Ref Description Fuser assembly 120 V Fuser assembly 220 V Part number RG5 3060 000CN RG5 3061 000CN Qty Lever holding right RB1 9704 000CN 25 Lever holding left Lever release RB1 9705 000CN RB1 9748 000CN 558 Chapter 8 Parts and diagrams EN PCA assemblies Figure 277 PCA assemblies Table 83 PCA assembly parts Ref Description Part number Qty 1 PCA cassette
10. Replace the accumulator assembly 498 Chapter 7 Troubleshooting EN Table 54 Jams in the stapler stacker Event Control panel log error User Service Recommended messages message LED LED Description action ikri Cua eet ky Inking Inking Jam occurre ear the jam and Clear Jam Of amber yellow when trying to eject Power cycle the continued 13 23 13 four a print job or mopy printer and the blinks computer if Necessary Replace the accumulator assembly 13 13 19 Blinking Blinking Media jammed Clear the jam or amber yellow between the Powercycle the a 13 23 19 five carriage and the printer and the blinks stack of paper to be computer stapled Verify unit calibration Y compensation Replace the stapler assembly Hardware malfunctions Table 55 Hardware malfunctions in the stapler stacker Event Control panel log error User Service Recommended messages message LED LED Description action kr Cali 66 13 17 oll Inking e accumulator eplace the See or amber red assembly accumulator ik 66 23 17 four malfunctioned assembly Ep blinks Ifthe problem te Or persists or replace the Han The DC motor controller PCA retainer or sensor is damaged EN 3 000 sheet stapler stacker troubleshooting 499 Table 55 Hardware malfunctions in the stapler stacker Control panel messages Event log error message
11. or 66 23 18 User LED Service LED inking red four blinks Description e accumulator assembly malfunctioned Or The bearing bracket or gear wheel sensor is damaged Recommended action eplace the accumulator assembly If the problem persists replace the controller PCA il 66 13 25 or 66 23 25 Solid amber Blinking red five blinks The stapler is damaged Replace the stapler Replace the controller PCA or 66 23 33 Solid amber Blinking red six blinks The controller PCA is damaged Or There is a RAM error Power cycle the printer and the computer If the problem persists replace the controller PCA Call 66 13 34 or 66 23 34 Solid amber Blinking red six blinks The controller PCA is damaged Or There is an EEPROM error Power cycle the printer and the computer If the problem persists replace the controller PCA 500 Chapter 7 Troubleshooting EN Table 55 Hardware malfunctions in the stapler stacker Control panel messages Event log error message or 66 23 35 User LED Service LED inking red six blinks Description e controller is damaged Or ROM has been corrupted Recommended action Power cycle the printer and the computer If the problem persists replace the controller PCA Call
12. 66 xy zz input output device hardware malfunction 3 000 sheet stapler stacker troubleshooting 491 For both the control panel and event log messages e xis the C link device number in the daisy chain 0 1 4 5 Paper handling controller First C link device Second C link device Third C link device Fourth C link device Fifth C link device yis the C link device type 0 1 4 5 Paper handling controller Input device Output device Finishing device Other supported device not in use Other supported device not in use zz is the error code See the error message tables later in this chapter for more information 492 Chapter 7 Troubleshooting EN Shown below are examples of control panel messages with their corresponding event log messages and meanings Recommended actions are not shown see the error message tables later in this chapter for recommended actions Control panel message Eventlog Meaning 13 11 1B A jam occurred in the first C link device configured It is an input device 2 000 sheet Input Tray or 2 x 500 sheet Input Tray with an error code 1B This is normally a timeout at an entry or exit sensor 66 22 09 A hardware malfunction occurred in the second C link device configured It is an output device Mailbox with an error code 09 This is an external memory error Note Figure 241 EN Print a configuration page to properly identify the inpu
13. PRINTING DEMONSTRATION Description The printer is printing a demonstration page When the demonstration page is printed the printer returns to an online and ready state PRINTING EVENT LOG Description The printer is printing the event log When the event log is printed the printer returns to an online and ready state EN Event log message None Action No action is required Event log message None Action No action is required Event log message None Action No action is required Event log message None Action No action is required Printer message troubleshooting 407 Table 42 Unnumbered printer messages continued PRINTING FILE DIRECTORY Description The printer is printing the disk directory When the file directory is printed the printer returns to an online and ready state PRINTING FONT LIST Description The printer is printing the font list When the font list is printed the printer returns to an online and ready state Event log message None Action No action is required Event log message None Action No action is required PRINTING MENU MAP Description The printer is printing the menu map When the menu map is printed the printer returns to an online and ready state PROCESSING COPY lt x gt OF lt y gt Description The printer is processing a proof and print or mopy print job lt x gt Number of the copy in process lt y gt
14. 2 000 sheet input unit 278 279 Kit 1 VD7 1893 151CN Power supply fuse 250 V 3 15 A 279 100 WC4 5136 000CN Switch black toner cartridge SW644 255 22 WC4 5150 000CN Switch toner cartridge cover SW672 254 30 WG8 0291 000CN Photo interrupter IC TLP1230 264 52 WG8 5210 000CN Photo interrupter IC TLP1240 255 267 23 4 40 270 WG8 5362 000CN _ Photo interrupter IC TLP1241 257 24 XA9 0836 000CN Screw TP M3 x 6 quantity 10 XA9 0849 000CN Screw RS M3 x 6 257 26 XA9 0926 000CN Screw TP M4 x 8 filler panel bracket for tray 2 250 3 XA9 0926 000CN Screw TP M4 x 8 quantity 10 XA9 0926 000CN Screw filler panel bracket M4 x 8 249 3 XA9 0940 000CN Screw w washer M4 x 12 quantity 4 258 37 XA9 0951 000CN Screw w washer M3 x 8 quantity 10 XB4 7401 007CN Screw tapping pan head M4 x 10 264 501 XD2 1100 502CN Ring E 256 501 XD2 1100 642CN Ring E 255 501 XZ9 0442 000CN Casters 278 74 586 Chapter 8 Parts and diagrams EN Alphabetical parts list Table 92 Alphabetical parts list Description Part number Figure Ref 10 100Base TX J3113A 110 volt fuser kit C4155A Fuser Six paper rollers Hand wipe 16 MB synchronous DIMM C7843A 220 volt fuser kit C4156A Fuser Six paper rollers Hand wipe 32 MB synchronous DIMM C7845A 64 MB synchronous DIMM C3913A 64 MB synchronous DIMM C
15. 66 13 36 or 66 23 36 Solid amber Blinking red six blinks The controller PCA is damaged Or The C link register is damaged Power cycle the printer and the computer If the problem persists replace the controller PCA Or 66 23 37 Solid amber Blinking red six blinks The controller PCA is damaged Or The DAC digital to analog converter is damaged Power cycle the printer and the computer Replace the controller PCA Replace the flipper assembly EN 3 000 sheet stapler stacker troubleshooting 501 Communications troubleshooting CAUTION HP network interface support Unless you have experience with the particular network under repair seek the help of a qualified network professional before changing any network configuration settings If the printer is configured with an HP network interface card such as an HP JetDirect product the Response Center is available to help with any problems Additional information is available from the HP JetDirect Printer Software Installation Guide see page 514 for ordering information Network interface cards are not directly interchangeable Do not exchange interface cards without understanding and performing the configuration process for each of the exchanged cards and the network Third party network interface support If a problem is associated with a third party network interface car
16. Reconnect connector J222 on the controller board Replace the controller board EN Table 42 Unnumbered printer messages continued INSTALL IMAGING DRUM OPEN FRONT DOOR Description The printer has detected that the imaging drum is not installed Note All doors must be closed for the printer to detect the imaging drum EN Event log message None Action 1 10 Install the imaging drum before attempting to print If the condition persists take the imaging drum out and reinstall it Note The imaging drum must be installed and the upper lever must be to the left in order for the carousel to rotate Turn the printer off and on to reset the printer Replace the drum cartridge Replace the drum cartridge if the drum cartridge on off switch guide is deformed Make sure that the drum cartridge is installed e Install the drum cartridge if it is not installed e Ifthe drum cartridge is already installed turn the printer off reinstall the drum cartridge and turn the printer on again Reconnect connectors J641 to J643 and J647 on the main relay PCA connectors J671 and J673 on the subrelay PCA connector J102 on the power supply and connector J227 on the controller board Check electrical continuity between connector J641 1 24 VB and J642 3 PMP on the main relay PCA when the door switch SW641 is turned on If there is no electrical continuity replace the right cover switch on the main
17. See jobs speeds 23 print areas non masked recommended image assurance 34 print defect charge roller set 454 color plane registration 452 developer streak 453 fading 455 hot offset 455 missing toner 454 toner bubbles 453 waves 454 print defects rain 453 print server accessories 22 connecting to network 76 network connection 76 printer model included with 22 printable area 34 printer covers and doors 519 dimensions 25 front view 41 messages 368 model and serial numbers 38 personality could not be run 405 personality does not exist 407 rear view 42 serial number 93 stand 41 supplies 513 verifying installation 105 weight 25 printer command language PCL See PCL printer command language printer control language PCL See PCL printer command language printer control panel See control panel printer drivers color selection 440 handled by HP Driver Distribution Center 66 obtaining 62 request form 64 printer hard disk See hard disk printer configurations 39 printing booklet 109 color test pages 92 configuration page 83 407 continuous configuration pages 83 demonstration page 407 ElO pages 83 event log 83 407 EN file directories 83 font list 83 408 LaserJet demonstration 83 menu maps 83 PostScript errors 88 Printing Menu 89 problems See errors troubleshooting process colors 139 processing jobs 408 product data sheets 64 programs color selection in 440 proof and print jobs canceling 84 85 Proof
18. Staple position EN 3 000 sheet stapler stacker troubleshooting 483 Troubleshooting tools Paper path test Using the information from the event log you can verify a specific printer paper path with the paper path test The paper path test menu allows you to select the paper source and the output destination Note See Chapter 5 Theory of Operation for graphic representations of the paper path To perform a paper path test 1 Press MENU until information Menu appears on the control panel display 2 Press ITEM until Print Farer Fath Test appears and then press SELECT 3 Press VALUE to choose the correct input tray and then press SELECT 4 Press VALUE to choose the correct destination and then press SELECT 5 Press VALUE to choose the correct duplex mode and then press SELECT 6 Press VALUE to choose the number of copies and then press SELECT To stop the paper path test press CANCEL JOB on the control panel 484 Chapter 7 Troubleshooting EN Timing The figure below shows timeouts related to jam declarations The number in parentheses is the jam s error log code Note Jam codes used in the drawing and in the explanation are in hexadecimal representation The time is the maximum time allowed between two events The figure shows the flow of a normal sheet from entry to the accumulator offset module Delivery notice ACExit Printer sends for every page FLEntry 1 FLEntry FLExit
19. Swedish 8500 models C3989 90901 HP Color LaserJet 8500 8500 N 8500 DN Getting Started Guide English C4785 60526 Kit of rollers jam access door multi bin 280 mailbox C4785 60507 Metallic tape and housing assembly 281 34 C4785 60501 Power supply 282 40 C4785 60515 User LED PCA with cable 280 20 C4788 60504 Back cover 283 5 C4788 60525 Foot cover 283 2 C4788 60510 LED PCA 284 8 C4788 60517 Safety switch assembly 284 22 English 5021 8956 HP LaserJet Printer Family Paper Specification Guide 5021 0337 PCL PJL Technical Reference Package 5091 6456 HP Peripherals Connectivity Solutions Guide 5966 5171 HP JetDirect Software Installation Guide C7096 40003 Control panel overlay Hungarian 8550 models C7096 40013 Control panel overlay Norwegian 8550 models C7096 40008 Control panel overlay Portuguese 8550 models C7096 40018 Control panel overlay Russian 8550 models 92215N HP LocalTalk cable kit 922155 Macintosh DIN 8 printer cable 574 Chapter 8 Parts and diagrams Table 91 Numerical parts list Continued Part number Description Figure Ret C2934A HP Color LaserJet transparencies letter sized 50 sheets C2936A HP Color LaserJet transparencies A4 sized 50 sheets C2946A IEEE 1284 compliant parallel cable of 3 m approximately 10 ft with 25 pin male micro 36
20. Total number of copies Event log message None Action No action is required Event log message None Action No action is required PROCESSING JOB Description The printer is actively processing a print job PROCESSING JOB FROM TRAY lt x gt Description The printer is actively processing a print job lt x gt Input tray 1 2 3 or 4 408 Chapter 7 Troubleshooting Event log message None Action No action is required Event log message None Action No action is required EN Table 42 Unnumbered printer messages continued PS MEMORY FULL STORED DATA LOST Description The resource save area for the printer personality is full Fonts downloaded to the printer RAM might have been deleted Event log message None Action Turn the printer off and on to clear the printer RAM READY Description The printer is online and ready for data No status or printer attention messages are pending Event log message None Action No action is required RESETTING Event log message None ACTIVE IO Description Action The printer is resetting active I O ports No action is required RESETTING Event log message None ALL IO Description Action The printer is resetting all I O ports No action is required RESTORING Event log message None FACTORY SETTINGS Description Action The printer is resetting the printer s factory defaults The printer is in the process
21. Troubleshooting EN Table 45 Neutral axis adjustments Overall color of Correction if all circles are Correction if all circles are circles darker than background lighter than background Cyan tint Reduce cyan Increase magenta and yellow Magenta tint Reduce magenta Increase cyan and yellow Yellow tint Reduce yellow Increase magenta and cyan Green tint Reduce yellow and cyan Increase magenta Red tint Reduce yellow and magenta Increase cyan Purple or blue tint Reduce cyan and magenta Increase yellow For example if the circles in the neutral axes show a green tint and the circle appears lighter than the background the magenta ramp should be examined closely to determine if magenta should be increased Note If the color settings are less accurate when you finish the color adjustment than when you started reset all color values to O zero in the printer control panel and try the adjustment again EN Color balance adjustment 461 Repetitive defects troubleshooting Repetitive defects are defects that occur in the same vertical position on the page but not necessarily on every page Most repetitive defects are caused by problems with one of the following and are indicated by the positioning of the defect on the page developer roller at 38 mm charging roller at 44 mm see additional information under Charge roller set on page 454 cleaning roller at 56 mm developer DSD wheels
22. and J641 4 GND on the main relay PCA after the printer is turned on If the voltage is not 24 V replace the main relay PCA Check the AC power supply If the problem is not rectified after the printer is turned off and on again find the cause of activation of the overcurrent overvoltage detection circuit in the power supply Wait more than two minutes before turning the printer back on 9 Replace the controller board 58 1 ERROR Event log message 58 00 01 CYCLE POWER Description Action Indicates that the paper diverter inside the right 1 Open the right upper door and check for a upper door is out of position causing an error media ja isfed media feeding media from tray 1 la jam or misted media 2 Turn the printer off and on to reset the printer 382 Chapter 7 Troubleshooting EN Table 41 Numbered printer messages continued 59 lt x gt MOTOR ERROR CYCLE POWER Description Indicates that the main motor M4 is not working properly lt x gt Description 0 General error 1 Startup error 2 Rotation error Event log message 59 00 0 lt x gt Action 1 Turn the printer off and on to reset the printer 2 Reconnect connector J219 and relay connector J1 on the controller board Replace the main motor M4 Reconnect connectors J641 to J643 and J647 on the main relay PCA connectors J671 and J673 on the subrelay PCA connector J102 on the power supply and connector J227 on th
23. and all factory defaults will be restored 79 SERVICE lt xxxx gt CYCLE POWER Description The firmware has detected a hardware failure within the formatter This failure can be caused by defective EIO devices and communication ports zXXXX5 Description 01 lt xx gt IO ASIC register error 02 lt xx gt Video ASIC register error 03 lt xx gt IDE ASIC register error 8 N5 cXXX5 event log message EIO card error EN Event log message 79 lt xxxx gt Action 1 Turn the printer off Disconnect all communication cables and EIO cards Turn the printer back on 2 Run extended formatter diagnostics from the Service Mode Menu to troubleshoot the failure 3 Ifthe problem persists without the communications connected replace the formatter board See EIO lt n gt NOT FUNCTIONAL in table 42 on page 398 Printer message troubleshooting 387 Table 42 Unnumbered printer messages ACCESS DENIED Description A user has attempted to select a menu value while printer control panel locking is enabled CALIBRATING Description The printer is adjusting the print density see page 160 for more information Event log message None Action See the system administrator for access to the printer control panel If it is necessary to override the password perform a cold reset See page 431 for information about performing a cold reset Event log message None Action No action is required If the pri
24. boards See PCAs PCAs 2 000 sheet input unit PCAs multibin mailbox bond media See media booklet printing 109 buffer EIO overflow 370 parallel I O overflow 370 scan error 384 buttons See keys on control panel C C5 sized media See media cables C link 75 207 coaxial 77 connection 74 flipper ribbon 359 interface 75 parallel 78 parts list 513 ThinLAN 77 calibrating staple position in stapler stacker 482 calibration color density 160 flipper 480 message 388 Canadian Customer Care Center CCCC Assist Line 67 Canadian DOC regulations 46 Cancel Job key 80 canceling job 388 proof and print jobs 84 85 quick copy jobs 84 capacity circuit 24 input trays 31 media in multi bin mailbox 33 media in printer 31 card stock See media carousel color toner error 377 control process 162 position sensor 162 stop solenoid 163 EN carousel button switch 187 carousel motor description and illustration 172 location 171 PCA 282 removing 283 carousel position sensor 185 carousel stopper solenoid 189 carriage assembly 3 000 sheet stapler stacker and 3 000 sheet stacker 345 carriage return command 90 cartridge motor description and illustration 174 location 171 removing 280 cartridges disengaged toner 377 imaging drum 136 installing black toner 100 installing color toner 101 location 118 replace frequency 119 toner not installed 399 CASSETTE mode 103 casters adjustable 3 000 sheet Stapler Stacker and 3
25. configuring 85 86 103 defective switches 433 empty 413 jams 392 media specifications 31 toner catch 116 See also tray 1 tray 2 tray 3 tray 4 troubleshooting 2 000 sheet input unit 469 474 3 000 sheet stapler stacker and 3 000 sheet stacker 482 checklist 367 cold reset 431 configuration page 415 event log 419 image defects 441 image formation 438 media jams 434 message 368 multi bin mailbox 477 network 502 paper path 433 repetitive defects 462 See also diagnostics errors TrueType fonts 23 typeface support 64 types configuring media 103 104 EN U unexpected paper size jams 394 paper size type 372 unidirectional mode multi bin mailbox 206 unknown media 411 unlatched multi bin mailbox 480 unlocked toner lever 403 unrecoverable error 387 upper fuser heater 171 fusing roller 136 153 VTU rollers 204 user guide parts list 514 user interface features 23 user replaceable parts 224 V Value key 80 VCCI statement Japan 54 ventilation requirements 27 vertical transfer unit VTU See VTU vertical transfer unit virtual stacker mode multi bin mailbox 205 VTU vertical transfer unit closed sensor 200 clutch 200 door open 399 illustration 204 process 201 removing 302 rollers 204 VX ASIC test 95 W warnings configuring 88 control panel 368 warranty printer 69 toner cartridge 69 waste toner catch tray 116 cleaning 116 collection 152 feed roller 152 level detection 155 watermark
26. rollers 127 safety 222 transfer belt 120 transfer charger 120 transfer drum 120 transfer kit 120 verifying printer 105 insufficient memory 370 interface cable 75 features 23 interlock switch 3 000 sheet Stapler Stacker and 3 000 sheet Stacker 356 interlock switch multi bin mailbox 209 334 internal assemblies 3 000 sheet stapler stacker and 3 000 sheet stacker 342 internal assemblies 3 000 sheet stapler stacker and 3 000 sheet stacker 343 internal components 528 internal print server See print server ISO B5 sized media See media ITD intermediate transfer drum See transfer drum ltem key 80 EN J jams delivery head assembly 481 delivery head position system 481 detection process 192 duplexer 389 flipper area 480 fuser 390 general media 394 input tray 392 multi bin mailbox 392 selecting media to prevent 29 stapler stacker 485 top output bin 393 transfer belt 480 transfer drum 394 tray 4 394 troubleshooting 434 unexpected paper size 394 Japan VCCI statement 54 JetDirect internal print server See print server JetSend 416 JIS B4 sized media See media JIS B5 sized media See media job separator mode multi bin mailbox 205 jobs canceling 388 canceling proof and print 84 85 canceling quick copy 84 cleared because memory out 405 processing 408 JPOSTD Double Post Card sized media See media K keys on control panel description 80 See also individual keys kits drum parts list 513 fuser parts list 51
27. 000 sheet Stacker 361 stationary 3 000 sheet stapler stacker and 3 000 sheet stacker 360 CCC Customer Care Center Assist Line 67 CCCC Canadian Customer Care Center Assist Line 67 charcoal filter installing 120 location 118 replace frequency 119 charge roller set print defect 454 charging roller illustration 136 repetitive defects 464 charts timing See timing charts checklists paper path 433 pretroubleshooting 367 circuits capacity 24 fuser abnormality detection 166 fusing heater safety 166 high voltage power supply 167 laser scanner motor lock detection 170 power distribution 164 Power Save 165 cleaning density sensor 389 images 150 imaging drum 152 Index 603 toner catch tray 116 toner from fabric 100 transfer drum 150 465 cleaning roller charging process 150 control process 162 illustration 136 location 118 press cam 150 press solenoid 150 189 repetitive defects 464 replace frequency 119 cleaning roller HV module assemblies 291 removing 292 cleared job 405 clearing duplexer jams 389 event log 94 fuser jams 390 input tray jams 392 multi bin mailbox jams 392 paper 395 top output bin jams 393 transfer drum jams 394 unexpected paper size jams 394 C link cable connection 43 75 description 207 clutches feed roller 189 registration roller 189 transfer belt press 189 tray 1 pick up roller 189 clutches 2 000 sheet input unit main drive 200 names and locations 200 VTU 200 CLx See clutches clutch
28. 000 sheet stapler stacker troubleshooting 487 Note The user LED blinks green when the printer is turned on after setting and exiting service mode Perform steps 18 through 22 under Calibrating the staple position earlier in this chapter to return to normal operation Stapler test stacker test For the stapler test stacker test use letter or A4 sized paper Feed the paper straight centered and slowly to avoid skews and jams If a jam occurs release the interlock switch and depress it again to reset the device Note Any stapler settings or offset settings configured at the printer control panel are ignored during the stapler test stacker test 1 Feed two sheets of paper into the paper input area The sheets are sent to the face up bin 2 Feed two sheets at a time into the paper input area e In the 3 000 sheet stapler stacker the sheets are stapled as shown below and sent to the stacker bin next two sheets next two sheets next two sheets next two sheets next two sheets next two sheets next two sheets restart the cycle no staples 1 staple 2 staples 3 staples 6 staples 1 staple angled at 40 to the face up bin In the 3 000 sheet stacker the sheets are routed as follows next two sheets next two sheets next two sheets next two sheets restart the cycle 488 Chapter 7 Troubleshooting to the stacker bin offset in one direction to the face up bin to the stacker bi
29. 000CN 1 EN Illustrations and parts lists 523 J75 J1101 SON RRR CARRERE Printer covers and doors 4 of 4 Figure 252 EN 524 Chapter 8 Parts and diagrams Table 61 Printer covers and doors 4 of 4 Ref Description Part number Qty 7 Cover right rear RA0 0067 000CN 1 16 Cover assembly right lower RG5 3096 000CN 1 16C Stopper open close RB1 6484 000CN 1 16D Lever right lower cover RB1 6485 000CN 1 16E Spring compression RB1 6486 000CN 1 16G Roller paper RB1 6488 000CN 2 17 Lever right upper door RB1 6485 000CN 1 22 Spring right lower door lever RB1 6486 000CN 1 26 Spring torsion RB1 9798 000CN 1 31 Cover right subassembly RF5 1995 000CN 1 32 Cover density sensor RB1 9537 000CN 1 35 Density sensor assembly RG5 3057 000CN 1 35A Brush cleaning RB1 9617 000CN 1 36 Preconditioning exposure LED assembly RG5 3980 000CN 1 41 Filter charcoal RB1 9836 000CN 1 42 Fan 3 FM3 RH7 1393 000CN 1 46 Cover tray 1 side gear RB1 9547 000CN 1 54 Hinge stopper tray 1 delivery assembly RG5 3962 000CN 1 EN Illustrations and parts lists 525 Internal cover assembly Internal cover assembly Figure 253 EN 526 Chapter 8 Parts and diagrams Table 62 Internal cover assembly parts Ref Description Part number Qt
30. 1 24 VAR on the main relay PCA when the door switch SW642 is turned on If there is no electrical continuity replace the main relay PCA Measure the voltage across connector J648 1 24 VAR and J648 3 GND on the main relay PCA after the printer is turned on If the voltage is not 24 V replace the main relay PCA Reconnect connectors J704 and J706 on the carousel motor PCA and connector J220 on the controller board Reconnect connector J43 on the carousel position sensor relay connector J42 and connector J207 on the controller board Measure the voltage across connector J220 A6 RLSROT and J220 B5 GND on the controller board after the printer is turned on If the voltage changes to about 3 5 V from 0 V replace the carousel motor PCA Replace the carousel motor M1 Replace the controller board DUPLEX ERROR CHECK DUPLEXER in table 42 on page 397 54 3 CALIBRATION WARNING PRESS Event log message 54 00 03 GO TO CONTINUE Description Action The process marks in the density sensing pattern are corrupted see chapter 5 for more information Press Go Print a configuration page and troubleshoot as an image quality problem Check the transfer guide for cracks and replace the transfer guide as needed 378 Chapter 7 Troubleshooting EN Table 41 Numbered printer messages continued 54 4 WASTE TONER SENSOR ERROR CYCLE POWER Description The waste toner sensor has failed Printin
31. 255 267 23 4 40 270 Photo interrupter IC TLP1241 WG8 5362 000CN 257 24 Pin RB1 0153 000CN 264 40 Plastic parts C4785 60519 281 Kit 1 1A Anti curl string 1B Spring for anti curl string 1C Pulley small bottom 1D Cable holder round gasket 1E Flat cable holder edge 1F Flat cable holder 1G Spacer plastic Plate paper limit back RG5 4201 000CN 278 84 Plate paper limit middle RG5 3849 000CN 278 85 Plate paper reference front RF5 3850 000CN 278 86 Plate duct mount RF5 2036 000CN 254 3 Plate end RF5 1484 000CN 262 263 26 Post charger HV module RH3 021 1 000CN 256 24 Power box C4781 60500 596 Chapter 8 Parts and diagrams EN Table 92 Alphabetical parts list continued Description Part number Figure Ret Power supply C4785 60501 282 40 Power supply C4788 60511 284 17 Power supply assembly 110 V RH3 2185 000CN 254 25 Power supply assembly 220 V RH3 2187 000CN 254 25 Power supply cable RG5 3909 000CN 279 99 Power supply fuse 250 V 3 15 A VD7 1893 151CN 279 100 Preconditioning exposure LED assembly RG5 3980 000CN 252 36 Rail PCA RB2 0005 000CN 258 7D Rail tray 3 RF5 1396 000CN 259 32 Registration frame assembly RG5 3007 000CN 267 Registration roller assembly RG5 3009 000CN 268 Ring E XD2 1100 502CN 256 501 Ring E XD2 1100 642CN 255 501 Rod power switch RB1 6463 000CN 256 5 Roller feed RF5 1834 000CN 264 20
32. 3 544 Chapter 8 Parts and diagrams EN Paper pick up assembly 2 of 3 Figure 265 Illustrations and parts lists 545 EN Paper pick up assembly 3 of 3 Figure 266 EN 546 Chapter 8 Parts and diagrams Table 73 Paper pick up assembly parts Ref Description Part number Qty Paper pick up assembly RG5 3132 000CN 1 20 Roller feed RF5 1834 000CN 1 21 Roller pick up RF5 1835 000CN 2 40 Pin RB1 0153 000CN 1 41 Torsion spring RB1 6589 000CN 1 48 Flag paper sensing RB1 6557 000CN 1 49 Spring torsion RB1 6558 020CN 1 51 Arm sensor RG5 1859 000CN 1 52 Photo interrupter IC TLP1230 WG8 0291 000CN 1 87 Motor pick up M5 RH7 1350 000CN 1 103 PCA paper pick up RG5 1860 000CN 1 501 Screw tapping pan head M4 x 10 XB4 7401 007CN 6 EN Illustrations and parts lists 547 Registration frame assembly 3 PS1802 o o 31802 Ss 6 es PS1801 NG Sy J1801 Gj J17 ES J15 Figure 267 Registration frame assembly Table 74 Registration frame assembly parts Ref Description Part number Qty Registration frame assembly RG5 3007 000CN 1 2 Spring torsion RB1 6409 000CN 1 3 Arm sensor RB1 6417 000CN 1 4 PCA photo interrupter IC TLP1240 WG8 5210 000CN 1 6 Cover sensor RB1 9586 000CN 1 7 PCA photosensor RG5 3032 000CN 1 8 PCA photosensor RG5 3079 000CN 1 548 Chapter 8 Parts a
33. 388 Note The action field for each control panel message describes the steps to resolve the message Each step is a self contained resolution for the message however the steps should be followed in order Table 41 Numbered printer messages kkkkkkkkkkkkkkkk Description Displayed during startup as the individual tasks begin initializing and during a low level self test A character other than indicates an error has occurred 13 00 00 event log message Paper jam 13 00 03 event log message Fusing delivery paper delay jam 13 00 04 event log message Fusing delivery stationary jam 13 00 05 event log message Delivery paper delay jam 13 00 06 event log message Delivery stationary jam 368 Chapter 7 Troubleshooting Event log message None Action No action is required See CLEAR PAPER JAM in table 42 on page 394 See CLEAR FUSER JAM LOWER LEFT DOOR in table 42 on page 390 See CLEAR FUSER JAM LOWER LEFT DOOR in table 42 on page 390 See CLEAR OUTPUT JAM UPPER LEFT DOOR in table 42 on page 393 see CLEAR OUTPUT JAM UPPER LEFT DOOR in table 42 on page 393 EN Table 41 Numbered printer messages continued 13 00 07 event log message Two sided turnaround paper late jam 13 00 08 event log message Two sided turnaround paper stopped jam 13 00 09 event log message Two sided path paper late jam 13 00 10 event log message Transfer jam 13 00 11 event
34. 399 illustration 178 jams 394 multi bin mailbox 210 test stapler stacker 484 tests 95 420 tests multi bin mailbox 478 troubleshooting 433 paper path sensors 3 000 sheet stapler stacker and 3 000 sheet stacker 486 paper photo sensors 265 paper pick up assembly 517 illustration 181 183 process 179 180 paper pick up 2 000 sheet input unit 201 paper pick up assembly illustration and parts list 544 location 517 removing 267 paper quantity switches 2 000 sheet input unit 200 202 paper size detection switches 2 000 sheet input unit 202 printer 188 paper size sensors 2 000 sheet input unit 200 paper size switch assembly 2 000 sheet input unit 312 paper stack 2 000 sheet input unit 204 EN paper tray sensors 2 000 sheet input unit raised 200 paper trays See 2 000 sheet input unit input trays paper width sensor 182 parallel advanced functions 91 parallel cable connection 78 parts list 513 parallel I O input output buffer overflow 370 parallel port 43 78 part numbers See parts lists parts exchanging 63 HP Direct 66 ordering 61 511 phone number identification 66 removing and installing 217 user replaceable 224 website information 62 parts lists alphabetical 587 by part 516 cables 513 consumables options and accessories 512 control panel overlays 514 covers and doors 2 000 sheet input unit 560 covers and doors printer 525 delivery assembly 553 delivery cover assembly 554 delivery drive assembl
35. 8500 DN User s Guide English D _ 0 E o c Sam Ga CC Miscellaneous parts Table 57 Miscellaneous parts Part number Description C3983 40001 Control panel overlay English 8500 models C3983 40002 Control panel overlay Traditional Chinese 8500 models C3983 40003 Control panel overlay Korean 8500 models C3983 40004 Control panel overlay Simplified Chinese 8500 models C3983 40005 Control panel overlay Portuguese 8500 models C3983 40006 Control panel overlay French 8500 models C3983 40007 Control panel overlay German 8500 models C3983 40008 Control panel overlay Spanish 8500 models C3983 40009 Control panel overlay Dutch 8500 models C3983 40010 Control panel overlay Norwegian 8500 models C3983 4001 1 Control panel overlay Swedish 8500 models 514 Chapter 8 Parts and diagrams EN Table 57 Miscellaneous parts continued C3983 40012 Part number Description Control panel overlay Finnish 8500 models C3983 40013 Control panel overlay Danish 8500 models C3983 40014 Control panel overlay Italian 8500 models C3983 40015 Control panel overlay Russian 8500 models C3983 40016 Control panel overlay Czech 8500 models C3983 67905 Formatter assembly C4781 60500 Power box C4785 60513 Multi bin mailbox repackaging kit C4785 60531 Multi bin mailbox short C link c
36. Chapter 7 Troubleshooting Event log message None Action Although printing can continue the toner cartridge should be replaced for optimum printer operation Note Do not shake the toner cartridge in attempts to extend the cartridge life For more information about configuring the printer response to this message see the description of the TONER LOW setting on page 88 Event log message None Action 1 Replace the toner cartridge specified 2 Reconnect connector J226 on the controller board and connector J5001 on high voltage converter 1 PCA 3 Check the contact for remaining toner detection on the black toner cartridge and the contact for remaining toner detection on the printer for deformation or damage e Replace defective parts Replace the black toner cartridge if it is defective e Check the contacts If they are disconnected return them to their correct positions 4 Replace the high voltage converter 1 PCA 5 Replace the controller board Event log message None Action Turn the printer off and remove the extra printer hard disk Note The DN model comes with a factory installed internal hard disk on the formatter board EN Table 42 Unnumbered printer messages continued TOP OUTPUT BIN FULL Description The top face down output bin of the printer is full Event log message None Action 1 Remove all media from the top face down output bin on the printer to continue prin
37. Dirty or damaged developer DSD wheels These wheels are located on the outer ends of the color toner cartridge and appear as a black bushing Actions Replace the toner cartridge of the color producing the repetitive defect 464 Chapter 7 Troubleshooting EN CAUTION CAUTION EN Transfer roller Symptoms Print defect occurring every 66 mm Cause Dirty or damaged transfer roller Actions Clean the transfer roller with isopropyl alcohol and a hand wipe If cleaning does not resolve the defect replace the transfer belt Transfer drum Symptoms Print defect occurring once per page on 1 1 by 17 inch or A3 sized media or on every other letter or A4 sized page Cause Dirty or damaged transfer drum Actions Clean the transfer drum see below If the defect is not resolved by cleaning replace the transfer drum Cleaning the transfer drum Many but not all repetitive defects can be removed using the following procedures Defects that appear as light spots in dark areas of print are more likely to be corrected by this procedure than dark spots in unprinted areas If the procedures are performed incorrectly or without proper care the transfer drum can be permanently damaged This procedure requires the following items aprint sample showing the repetitive defect e aclean flat surface on which to work ahand wipe You can also use a dry clean soft lint free cloth such as cheesecloth to clean the transf
38. GWSens pe bo 3 0 seconds 1 0 seconds 02 03 Distance of paper length plus 1 seconds 04 a v O gt O po 0 75 seconds 1 5 seconds Steps of paper length 05 OA with 33 margin ss 0B sensor activation 1 5 seconds O sensor deactivation 12 Figure 240 Device timing The printer sends a delivery notice for each sheet When the device detects the signal a timeout of three seconds begins EN 3 000 sheet stapler stacker troubleshooting 485 FLEntry 1 sensor and FLEntry sensor If the sheet does not arrive to the FLEntry 1 sensor within three seconds the device declares a jam 02 When the sheet arrives at the FLEntry 1 sensor which means that the sheet is being pushed by the printer and pulled by the device the timer is reset to timeout in one second If the sheet does not arrive at FLEntry sensor in one second the device declares a jam 03 Next the FLEntry 1 sensor is deactivated Because this event depends on the media length and the printer speed it is independent of time The device counts steps in the receiving stepper motor With the proper relation of steps to length the device knows when the sheet leaves the printer rollers At that time the device switches to high speed and begins a timeout of one second If the sheet fails to leave the FLEntry 1 sensor in one second the device declares a jam 04 Once FLEntry 1 is deactivated a timeout of 75 seconds begins to the n
39. MB synchronous DIMM J3110A Ethernet 10Base T J3111A Ethernet combo 10Base T BNC and LocalTalk J3112A Token Ring J3113A 10 100Base TX RA0 0008 000CN Lever shutter 250 3B EN Numerical parts list 579 Table 91 Numerical parts list continued Part number Description Figure Ref RA0 0026 000CN Cover inner 2 253 2 RA0 0027 000CN Cover inner 3 253 3 RA0 0065 000CN Cover left rear 251 6 RA0 0067 000CN Cover right rear 252 7 RA0 0068 000CN Cover hinge 250 8 RA0 0069 000CN Cover front right 250 9 RA0 0073 000CN Stop flip up media 251 2D RA0 0074 000CN Cover right rear lower corner 256 1 RA0 0078 000CN Cover auxiliary 251 20 RA0 0079 000CN Support cover 251 51A RA0 0083 000CN Cover waste toner tray 253 10 RA0 0112 000CN Lever paper height 272 12 RB1 0153 000CN Pin 264 40 RB1 4497 000CN Strap front door support 250 3D RB1 5153 000CN Latch roller action 250 SE RB1 6409 000CN Spring torsion 267 2 RB1 6417 000CN Arm sensor 267 3 RB1 6463 000CN Rod power switch 256 5 RB1 6480 000CN Cover left lower 250 10 RB1 6484 000CN Stopper open close 251 252 6A 16C RB1 6485 000CN Lever left upper door 250 4B RB1 6485 000CN Lever right lower cover 252 16D RB1 6485 000CN Lever right upper door 252 17 RB1 6486 000CN Spring compression 252 16E RB1 6486 000CN Spring left upper door lever 250 4C RB1 6486 00
40. Magenta toner cartridge C4152A Yellow toner cartridge Drum kit Imaging drum Two air filters Hand wipe Transfer kit Transfer drum Transfer belt Cleaning roller Charcoal filter Hand wipe Consumables 110 volt fuser kit Fuser Six paper rollers Hand wipe 220 volt fuser kit Fuser Six paper rollers Hand wipe 922155 Macintosh DIN 8 printer cable 92215N HP LocalTalk cable kit C2946A IEEE 1284 compliant parallel cable of 3 m approximately 10 ft with 25 pin male micro 36 pin male C size connector C4781 60504 C link cable from formatter board to the 2 000 sheet input unit C2934A HP Color LaserJet transparencies letter sized 50 sheets C2936A HP Color LaserJet transparencies A4 sized 50 sheets C4179A HP Color LaserJet soft gloss paper letter sized 200 sheets C4179B HP Color LaserJet soft gloss paper A4 sized 200 sheets EN Ordering parts 513 Table 56 Accessories and consumables continued Part number Description 5966 5171 HP JetDirect Software Installation Guide English C3983 90919 HP Color LaserJet 8500 8500 N 8500 DN Quick Reference Guide English C7096 90904 HP Color LaserJet 8550 8550 N 8550 DN 8550 GN 8550 MFP Quick Reference Guide English C3989 90901 HP Color LaserJet 8500 8500 N 8500 DN Getting Started Guide English C7096 90923 HP Color LaserJet 8550 8550 N 8550 DN 8550 GN 8550 MFP Getting Started Guide English C3989 90937 HP Color LaserJet 8500 8500 N
41. Motor test This test verifies that the three motors on the 2 000 sheet input unit are functioning properly 1 Remove the back cover from the 2 000 sheet input unit see page 300 Open tray 4 and the vertical transfer unit VTU Set the DIP switches on the 2 000 sheet input unit s controller PCA for the motor test See page 473 for an explanation of the settings 4 Use the switch that is located on the units power supply to switch to diagnostic mode e f the motors are working properly they rotate continuously e f the motors do not rotate replace the corresponding field replaceable unit the paper pick up assembly the VTU or the paper deck drive assembly 5 To stop the test turn the switch on the power supply back to operational mode and reset the DIP switches on the controller PCA to the off position 474 Chapter 7 Troubleshooting EN Sensor test This test verifies that the sensors on the 2 000 sheet input unit are functioning properly Figure 237 Location of sensors in the 2 000 sheet input unit 1 Paper exit sensor P532 2 Paper entry sensor P531 3 VTU closed sensor P535 4 Paper tray raised sensor PS34 5 Paper tray empty sensor PS33 To perform the test 1 Set the DIP switches on the 2 000 sheet input unit s controller PCA for the sensor test See page 473 for an explanation of the settings EN 2 000 sheet input unit troubleshooting 475 For each paper sensor a Open the
42. Number ash Space 2 MB 000080 000006 00000 100000 00 Installed Options Paper Tray Configuration BB Ent Log ip 2 Tray 1 size and type TADO Shhh FON SA4EST EOD Number of Entries in Use 50 Last Three Entries umber Event Page Count El 13 08 82 5808 49 41 03 00 25808 48 79 5105 93693 isk Mbyte and Type or Not instal JIMM Slot 7 1 Mbyte and Type flash RAM ROM ray 5 size and type HEWLETT 4 Se i PACKARD Configuration Page Chor Larerher paka Printer Information BB Consumables u Security 2 Mbyte and Type flash RAM ROM Tray amp size and type Product Number HP CAXXXA of Life Remaining Control Panel Lock DISABLED Tray 7 size and type 3 Mbyte and Type flash RAM ROM 4 Mbyte and Type flash RAM ROM BB Color Adjust 5 Mbyte and Type flash RAM ROM Pages since last adjustment XXXXXXX 6 Mbyte and Type flash RAM ROM Duplex Unit Not installed Device 1 HEWLETT PACKARD 2000 SHEET INPUT TRAY CXXXXX Input Trays 1 Tray 4 2000 Sheets e Device 2 HEWLETT PACKARD MULTIBIN MAILBOX CXXXXX BNP43 90 Output Bins 1 Face Up Bin 125 Sheets Face Up 2 MAILBOX 1 290 Sheets Face Daam 4 MAILBOX 2 160 Sheets Pace Doom 4 MAILBOX 8 250 Sheets Face Dom 5 MAILBOX 4 250 Sheets Face Dove 6 MAILBOX 6 250 Sheets Face Dorm T MAILBOX 6 26 Sheets Pace Dam Figure 212 Example of an HP Color LaserJet 8500
43. SELECT to reformat the printer hard disk All data currently on the printer hard disk will be lost If you don t want to initialize the printer hard disk wait until the message clears 10 seconds or press Go and the disk will not be initialized This will render the disk non functional but the configuration page will show that the disk is installed EN Table 42 Unnumbered printer messages continued PRESS SELECT TO LOSE DISK DATA PRESS GO KEY TO CANCEL Description This is a request to confirm initialization of the printer hard disk see PRESS SELECT TO INITIALIZE DISK above Initialization will perform a high level check of the disk and register the disk with the disk manager software Event log message None Action 1 If you want to proceed with initialization press SELECT N If you don t want to initialize the printer hard disk wait until the message clears 10 seconds or press Go and the disk will not be initialized This will render the disk non functional but the configuration page will show that the disk is installed PRINTER LANGUAGE NOT AVAILABLE JOB CANCELED Description PJL encountered a request for a printer personality that does not exist in the printer The job was canceled and no pages were printed PRINTING CONFIGURATION Description The printer is printing the configuration page When the configuration page is printed the printer returns to an online and ready state
44. T N A N A N A The maximum Do not configure height of stack to be stapled has been exceeded Print job is completed but not stapled the equipment to staple stacks that are thicker than the maximum height allowed follow the guidelines listed in the user s guide 494 Chapter 7 Troubleshooting EN Open Doors Table 53 Open doors in the stapler stacker Event Control panel log error User Service Recommended messages message LED LED Description action N A Blinking Blinking The device is Attach the device to amber green detached from the the printer and printer verify that the user LED is green N A Blinking Blinking The stapler door is Close the stapler amber green open door EN 3 000 sheet stapler stacker troubleshooting 495 Jams Table 54 Jams in the stapler stacker Control panel messages Event log error message T Et O r 13 23 01 Service LED inking yellow two blinks Description en powering on or after clearing a jam a jam is present at the flipper entry area Recommended action ear the jam Power cycle the the printer and the computer if necessary If the problem persists replace the flipper assembly 13 13 02 or 13 23 02 Blinking amber Blinking yellow two blinks Media never reached the flipper entry sensors Clear the jam Power cycle the printer and the computer if
45. To prevent envelopes from sealing in the printer set the envelope size in the printer driver as a custom size However setting envelopes as a custom size can cause poor fusing Media jams When troubleshooting media jams remember that jams are posted as a result of timing errors That is media fails to arrive at or fails to clear the paper path sensor in the allotted time The paper path timing is set by the controller board Stuck or defective sensors cause the paper path timing to post a jam message at power on as do scraps of paper caught in the paper path Use figure 222 to locate the paper path sensors The media jam message code identifies the sensor that failed to change state in the required time Check that the paper path sensors are free throughout their full range of travel All interlock switches must be operational in order for the printer to clear media jam messages 434 Chapter 7 Troubleshooting EN Top face down output bin Top face down delivery sensor output bin PS11 Q V Face down delivery roller CO PS5 Fusing Registration roller delivery sensor paper sensor PS1903 PS1 Upper Left face up fusing roller Tray 1 output bin pick up roller Face up a MG delivery roller quae 5 Registration Feed roller 2 Lower Transfer rouer V PS17 fusing roller belt Pick up unit aper sensor Pick up roller GA jii Pick up roller Q o Figure 222 Printer paper path For information about pri
46. appears Press VALUE until Gre Siar ie appears Press SELECT Press MENU until Information Meru appears Press ITEM until Print Parer Fath Test appears Print a ten page job to the stapler bin optional bin 1 Check the staple position of the 10 page print job against the staple position in figure 239 on page 483 e lf the positions are not comparable then the device should be recalibrated continue with step 13 below e lf the positions match or are close to a match the device does not require recalibration proceed to step 18 Press MENU until Configuration of 5ikr appears Press ITEM until Coneensatiorne y Compensation appears 482 Chapter 7 Troubleshooting EN 15 16 17 18 19 20 21 22 Press VALUE to set the correct compensation in millimeters Press SELECT Repeat steps 9 through 16 until you are comfortable with the staple position Press MENU until onfi uration of Sikr appears Press ITEM until Calibra Values appears Press VALUE until Set appears Press SELECT Press Go If you set compensation values the printer should return to Ready automatically and the user LED should return to the solid green status Because you set calibration values the printer should not allow access to the compensation values in service mode If you did not set compensation values repeat steps 1 through 4 and steps 18 through 22 a Staple position A Y axis X axis Figure 239
47. assembly and the controller PCA in the 2 000 sheet input unit If the rollers rotate and drop down but do not advance the paper replace the feed and separation rollers using the maintenance kit If the rollers do not rotate or do not drop down replace the pickup assembly If the problem persists replace the VTU which includes PS31 Event log message 13 11 3 lt x gt lt x gt Description 1 At power on paper entry sensor PS31 in VTU is active B At power on paper exit sensor PS32 in VTU is active Action 1 2 EN Open the VTU and remove any media Verify that PS31 and PS32 in the VTU move freely If either PS31 or PS32 are damaged replace the VTU Printer message troubleshooting 391 Table 42 Unnumbered printer messages continued CLEAR INPUT JAM Description The printer senses a media jam in the transfer or registration area in an input tray or in the duplexer CLEAR MAILBOX JAM Description The printer senses a media jam in the multi bin mailbox 392 Chapter 7 Troubleshooting Event log message None Action 4 Open the front door press the white button on the lower green lever and swing the lever to the right Open the right upper door remove the transfer drum and remove the jammed media from under the metal paper guide Reinstall the transfer drum and close the right upper door Swing the lower green lever to the left and close the front door O
48. be ordered from Support Materials Organization SMO or Support Materials Europe SME For information on contacting SMO or SME see page 62 Note Parts that have no reference number or no part number are not field replaceable and cannot be ordered Consumables options and accessories The items listed in table 56 are available through your local authorized HP dealer To find a dealer near you or if your local dealer is temporarily out of stock call the HP Customer Information Center at 1 800 752 0900 Note Order two sets of DIMMs if upgrading the printer memory order one set of DIMMs if replacing memory EN Overview 511 Table 56 Accessories and consumables Part number Description C2986 60006 Hard disk internal 3 2 GB 8 MB synchronous DIMM NOTE For all DIMM products you must install DRAM DIMMs in synchronized pairs for example two 4 MB DIMMs J3111A Ethernet combo 10Base T BNC and Local Talk C4782 60501 Duplexer product number C4782A C4782 69501 Exchange duplexer C4785 60534 Multi bin mailbox product number C4785A NOTE You must have a 2 000 sheet input unit in order to install a multi bin mailbox R98 1005 500 sheet tray 2 OOOCN mi OD Ban O a N Q O O O LLI Paper handling accessories 512 Chapter 8 Parts and diagrams EN Table 56 Accessories and consumables continued Part number Description C4149A Black toner cartridge C4150A Cyan toner cartridge C4151A
49. bra UM Fan 3 an J641 J102 Right cover Drum cartridge Bet GND 15h switch switch P35 GND 7 Sa sweat SW642 Main relay PCA P34 GND spi 33 1248 4p oO ao P32 124VB 5 pi PII 24VB 6 P lt HA AND PALAGIAN AE AA Ep eet tet AY EN J103 GND 1 Fy y GND 2 GND 3 P4 5VS 4 bd xz z EV pa 33 Pa FR Es E3 Aa NA Fa PG FDA Fa PA Et TEV Jom ZZ N qd4zaaaara HZAZAZAZAZI eg IL Oo GO BT 2G A G IG AJ Alo amp NG 8 o Bi CO lt CO lt Q CO CO lt CO Q 0 lt A Power S h mjo La a au PP A TT TT TT TT Tt YT LI J217 J106 y 6 GND 1 R7 ac 5 PCONT 9 b ne ey Be 4 POFF 3 P P43 ACTYP on 3 2 NG a ZINC 6 P4 ne 3p TUT 3222 KAO Jaro LCR A Ba cla fely jafo sfiaoMololel7 vr 2 p4 Tray 2 last rata PR be page sensor Sli SE SE FXRON 4 4 P529 Ai 6 Halalan SiN ngng T A2 M FXLON 8 b4 BT FXLONS 9 gt B11 F 7 F HE J54 OX PI 9 Su A3 ee FXSTS 10 P4 B10 ioe 4 FXSTS 11 As e eu oo 24VB 12 P4 Bo ala Bia KA HI J63F ee MA Be C as TH H Jem I
50. charger HV module RH3 0211 000CN 1 25 Cleaning roller HV module RH3 0228 000CN 1 26 Motor carousel M1 RH7 1325 000CN 1 27 Clutch transfer belt press CL4 RH7 5168 000CN 1 28 Spring tension RS5 2465 000CN 1 30 Separation discharge high voltage converter RG5 3966 000CN 1 PCA 39 Separation discharge high voltage converter RH3 0234 000CN 1 501 Ring E XD2 1100 502CN 2 EN Illustrations and parts lists 533 EN KA b SKE o Clty oe eat nh KE a bor if NN deh ee As a N ty N KI i pr 5 F Toe rs Sy ke z ty E E 4 4 T 7 Aa a A Internal components 4 of 6 534 Chapter 8 Parts and diagrams Figure 257 Table 66 Internal components parts 4 of 6 Ref Description Part number Qty 3 Tray rail assembly RG5 1851 000CN 1 5 Cable main motor RG5 3942 000CN 1 6 Cable carousel RG5 3923 000CN 1 7 Cover gear RB1 9403 000CN 1 10 Transfer swing assembly RG5 3010 000CN 1 12 Cable delivery connector RG5 3147 000CN 1 13 Lever registration roller RB1 9580 000CN 1 18 Main drive assembly RG5 3066 000CN 1 20 Cable delivery RG5 3104 000CN 1 21 Motor main M4 RH7 1323 000CN 1 24 Photo interrupter IC TLP1241 WG8 5362 000CN 1 26 Screw RS M3 x 6 XA9 0849 000CN 10 EN Illustrations and parts lists 535
51. codes indicated by the blinking pattern 478 Chapter 7 Troubleshooting EN Multi bin mailbox LED descriptions The multi bin mailbox features a user status LED and three service LEDs The user status LED is a single LED that is located on the front cover of the multi bin mailbox at the top The user LED provides information about the power on status and about the attachment to and alignment of the accessory with the printer The three service LEDs are near the center of the multi bin mailbox back cover The service LEDs blink independently of each other indicating the status of the multi bin mailbox LED status interpretation Solid green Solid red Blinking red Solid amber SITE Blinking amber Blank Table 49 Status LEDs on the multi bin mailbox User Service LED LEDs Message description Recommended action Multi bin mailbox ready No action required The multi bin mailbox was successfully connected and initialized by the printer Power Save mode No action required The multi bin mailbox is in Power Save mode Ee Test mode Run the power on test The multi bin mailbox is in test mode Run the paper path test EN Multi bin mailbox troubleshooting 479 Table 49 Status LEDs on the multi bin mailbox continued
52. color toner cartridge 185 color toner level 157 color toner lever 158 185 defective or stuck 434 density 160 266 density error 378 face down tray delivery 178 EN fusing delivery 178 185 190 191 last page tray 1 182 183 185 last page tray 2 180 185 left cover 185 level sensors tray 3 185 lifting plate position 183 185 names and locations 184 not detecting toner cartridge 399 OHT overhead transparency 179 183 185 paper tray 1 185 paper level tray 2 185 paper out tray 2 185 paper out tray 3 185 photo paper 265 pick up unit cover 185 pick up unit paper 178 185 registration roller paper 178 179 183 185 reverse stepper motor multi bin mailbox 209 separation 185 temperature error 377 temperature humidity 159 test 96 thermistor 185 thermo switch 185 toner lock 251 top face down output bin delivery 185 190 191 top face down output bin paper full 185 191 tray 1 paper 183 tray 1 paper width 182 tray2 185 tray 3 185 sensors 2 000 sheet input unit names and locations 200 paper entry 200 paper exit 200 paper size 200 paper tray raised 200 test 475 vertical transfer unit VTU closed 200 sensors multi bin mailbox delivery rollers extended 209 left face up output bin full 209 names and locations 208 paper bin empty 209 paper bin full 209 paper delivered to bin 209 paper delivered to head 209 paper entry 209 sensors paper path 3 000 sheet stapler stacker and 3 000 sheet stacker 486 s
53. diagnostic mode to enable the new diagnostic test EN 2 000 sheet input unit troubleshooting 471 Service LED interpretation If the 2 000 sheet input unit is working properly it will pick up paper from tray 4 and expel it the bottom service LED will flash regularly every 0 5 seconds Table 47 Patterns of LED flashing 2 second pause between each pattern Short 0 3 sec Description Long 1 sec Lifter malfunction Registration sensor delay jam Registration sensor stationary jam initial jam Jam sensor delay jam Jam sensor Stationary jam initial jam VTU door is open Tray 4 is open Wrong paper size loaded No paper in tray 4 Note supply 472 Chapter 7 Troubleshooting Recommended action Verify that the tray lifts freely by lifting it by hand Verify that the paper size plates are installed correctly in the same corresponding slots and are not bent If neither of these is the problem replace tray 4 The media does not reach the sensor Open the VTU door and remove the media Replace the paper feed VTU assembly or the paper pick up assembly Open the VTU door and remove the media Check the sensors and replace the corresponding field replaceable unit The media did not reach the sensor Open the VTU door and remove the media Replace the paper feed VTU assembly or the paper pick up assembly Open the VTU door and remove the media Close the door Close the tray Load the c
54. log message Tray 1 jam 13 11 11 event log message Time out at paper entry sensor PS31 13 11 1B event log message Time out at paper exit sensor PS32 13 11 21 event log message Page stays too long at paper entry sensor P531 13 11 2B event log message Page stays too long at paper exit sensor PS32 13 11 31 event log message At power on paper entry sensor PS31 in VTU is active 13 11 3B event log message At power on paper exit sensor PS32 in VTU is active EN See CLEAR DUPLEX JAM LOWER LEFT DOOR in table 42 on page 390 See CLEAR DUPLEX JAM LOWER LEFT DOOR in table 42 on page 390 See CLEAR DUPLEX JAM LOWER LEFT DOOR in table 42 on page 390 See CLEAR TRANSFER JAM in table 42 on page 394 See CLEAR UNEXPECTED PAPER SIZE JAM THEN LOAD TRAY 1 lt type gt lt size gt in table 42 on page 394 see CLEAR INPUT DEVICE JAM in table 42 on page 390 see CLEAR INPUT DEVICE JAM in table 42 on page 390 See CLEAR INPUT DEVICE JAM in table 42 on page 391 See CLEAR INPUT DEVICE JAM in table 42 on page 391 See CLEAR INPUT DEVICE JAM in table 42 on page 391 See CLEAR INPUT DEVICE JAM in table 42 on page 391 Printer message troubleshooting 369 Table 41 Numbered printer messages continued 13 22 01 13 22 02 event log messages Multi bin mailbox jam 13 22 03 event log message Multi bin mailbox jam 13 22 04 event log message M
55. mailbox 209 demonstration page printing 407 denied access 388 density sensor cleaning 389 description 160 error 378 removing 266 depth of printer 25 detail color value 92 developer DSD wheels repetitive defects 464 developer motor test 96 developer roller repetitive defects 464 developer streak print defect 453 developer imaging drum bias supply removing 289 diagnostic LED multi bin mailbox 335 diagnostics 2 000 sheet input unit 474 formatter board 94 multi bin mailbox 477 diagrams circuit 503 DIMMs dual inline memory modules accessories 22 errors 376 expanding memory 22 606 Index installing 106 ordering 511 parts list 512 removing 410 slot locations 43 test 95 DIN 8 connection 76 DIP switches 2 000 sheet input unit 471 473 directories printing file 83 disk See hard disk dithering 139 diverter for paper out of position 382 DL sized media See media DOC regulations Canadian 46 documentation ordering 62 parts list 514 door assemblies 3 000 sheet stapler stacker and 3 000 sheet stacker 342 doors location 225 parts lists 519 525 560 vertical transfer unit open 399 dots per inch DPI printer resolution 23 Double Post Card JPOSTD sized media See media double sided printing See duplexer duplex printing DPI dots per inch printer resolution 23 DRAM dynamic random access memory installing 106 test 95 Driver Distribution Center 66 drivers See printer drivers drum imaging error 396 imaging lif
56. mailbox troubleshooting 477 Note Power up sequence test 1 Push in and hold the multi bin mailbox interlock switch The multi bin mailbox begins a power up test e All the motors in the multi bin mailbox start working and the delivery head assembly moves up and down the multi bin mailbox twice scanning to determine that all the output paper bins are properly installed e Atthe end of the power up test the flipper motor remains working and waiting for feeding paper Check the user status LED on the front and the three service LEDs on the back side of the multi bin mailbox If the power up test is successful the user status LED remains green and the middle service LED shows solid red The other two service LEDs remain off If the service LEDs are blinking in a pattern indicating an error code a problem exists table 49 on page 479 lists the error codes indicated by the blinking pattern Paper path test Use only supported media types for the paper path test 1 Manually feed paper through the input paper guide e The paper passes across the flipper assembly and moves down to the bottom paper bin through the transport belt system via the delivery head assembly Feed several pages one at a time through the input paper guide If the paper path test is successful reinstall the multi bin mailbox If a problem exists the service LEDs blink in a pattern indicating an error code table 49 on page 479 lists the error
57. oc good ILONG OT LS gt 15 SSERRRE ARs S5acelao 232o Eao aog 2 6 kkrE A Q OVS N N 3ZzZ gt Qj ca Gu pal ta 2 LO gt lt ae saga YOO 5o CVA 5 SHA H ANG dag NOTNON J229 J223 NM tN ON O cul co eha oln 00 oo SY Cocodddo TI HOA AAR I ee yh Controller ALTA AAAH Ka a GA a RE es NEI R IIIR J210 H EnEn Eng Nan J213 ALA kik 000 MAALLA J219 000000 HAHAHAHAHAHAHA HAHAHA lal of rio co oi 0 no TING PSI OM SEE ASS SSSI SIZ aT salam polo lap za 2 5 PIO AAOS DON OOH Nie Near uaa SF HODE z LOL ae oa TETE fz Alay no noar55zz AN eeel alalis ZIA AAAS 5 DA5S oR elez nga y aaa a EEEE zle 2 2 ae ed E x 6 XM x x pinabababa Bi olala gt AN OU aot FA APAPAP 0 Pick up PCA Main motor Gi XX XK KAJ PS1204 PS1207 Tray 3 paper Tray 3 no paper level sensor 1 out sensor PS1206 PS1208 Tray 2 paper Tray 2 no paper level sensor 1 out sensor PS1201 Tray 3 sensor PS1202 Tray 2 sensor PS1203 Tray 3 paper level sensor 2 PS1205 Tray 2 paper level sensor 2 Tray 1 PCA PS1302 Lifting plate position sensor PS1301 Tray 1 paper sensor H J1202 Ke 91205 State 11206 Ol J204 Sap 11203 Ae By ja qaqara gt Q gt Q QI DI DI AT aag NG A56 oi a ak lz apan a olo o ale EIA Ela We oo oe YN ma 5 D aj a i foe T L a OLN lt n Bl Ee Eel o m T G3 Tray 1 pick
58. paper path Clear the jam Powercycle the printer and computer if necessary lf the problem persists replace the flipper assembly EN 3 000 sheet stapler stacker troubleshooting 497 Table 54 Jams in the stapler stacker Control panel messages continued Event log error message Tam lor Service LED Description Recommended action INKING INKING edia jamme 6 ear the jam amber yellow when flipping and e Power cycle the 13 23 OA three not reaching the printer and the blinks exit sensor computer if necessary If the problem persists replace the flipper assembly 13 13 0B Blinking Blinking Media jammed Clear the jam Or amber yellow when entering the Make sure you 13 23 OB three accumulator remove all blinks shreds of media from the path Powercycle the printer and the computer if necessary lf the problem persists replace the flipper assembly 13 1311 Blinking Blinking When powering on Clear the jam Or amber yellow or after clearinga e Powercyclethe 13 23 11 four jam a Jam is printer and the blinks present in the computer if accumulator necessary assembly Replace the accumulator assembly 13 13 12 Blinking Blinking Mediajammedin Clear the jam or amber yellow the paper path Powercycle the 13 23 12 four between the flipper printer and the blinks and the computer if accumulator necessary
59. paper tray and the VTU on the 2 000 sheet input unit b Remove the metal spring that holds the sensor unit in place secured by 1 screw see figure 161 callout 2 and figure 163 callout 2 c Pull out the sensor unit Use the switch that is located on the unit s power supply to switch to diagnostic mode Manually activate the sensor e When you activate the sensor the bottom service LED on the controller PCA comes on When you release the sensor the LED goes off e Ifthe LED does not come on there is a problem with the sensor Replace the corresponding field replaceable unit To stop the test turn the power supply switch back to operational mode and set the DIP switches on the controller PCA to the off position 476 Chapter 7 Troubleshooting EN Multi bin mailbox troubleshooting The multi bin mailbox standalone diagnostic tool is a troubleshooting aid that verifies how the multi bin mailbox functions alone The tests are designed to be used without C link commands from the EPH controller on the printer Switching the multi bin mailbox to test mode 1 Turn the printer off and remove the multi bin mailbox from the printer 2 Move the multi bin mailbox power supply switch to test mode callout 1 Note Reset the power supply switch to normal mode when you finish running diagnostic tests otherwise the multi bin mailbox will not work Figure 238 Multi bin mailbox power supply test mode switch EN Multi bin
60. pin male C size connector C2985A EIO hard disk C2986 60006 Hard disk internal 3 2 GB C3764 60505 Face up bin 280 25 C3764 60507 Delivery head position motor 282 38 C3764 60555 Cover top 280 31 C3764 60561 Input paper guide nosepiece 282 39 C3893 67903 HP Color LaserJet 8500 8500N 8500 DN Self Paced Training Kit PAL C3913A 64 MB synchronous DIMM C3983 40002 Control panel overlay Traditional Chinese 8500 models C3983 40003 Control panel overlay Korean 8500 models C3983 40004 Control panel overlay Simplified Chinese 8500 models C3983 40005 Control panel overlay Portuguese 8500 models C3983 40007 Control panel overlay German 8500 models C3983 40008 Control panel overlay Spanish 8500 models C3983 40009 Control panel overlay Dutch 8500 models C3983 40010 Control panel overlay Norwegian 8500 models C3983 40012 Control panel overlay Finnish 8500 models C3983 40013 Control panel overlay Danish 8500 models C3983 40014 Control panel overlay Italian 8500 models C3983 40015 Control panel overlay Russian 8500 models C3983 67902 HP Color LaserJet 8500 8500N 8500 DN Self Paced Training Kit NTSC C3983 67905 Formatter assembly EN Illustrations and parts lists 575 Table 91 Numerical parts list continued
61. printer configuration page HEWILETT P E eackano Configuration Page Coir darek Mini informaiton Mb imaka gt Pinia OMA Levies al Hamakaing erie Member KAN LAN Tromdicr Ei aro Pamana Member KANINA KN Pasar Ka DE irem Ksi a AN yan Tawa Jopreas Torsa a Yam Tame anan OO GG Hah Toot a EEE NOON DAE Donna Anand Momak Nd NG O 1b is oT emery ie OO Oy DOK 4 TE aie a ET Mi Mamay Ab Aes Availabe Dal Spam HEEMI x Meen kag a hiii i f k s r Lana Peace i Pagar Ina letersi hen ap bo AUTO KUTO bor Eur Tan 2 LETTER TENSPEMI ator rae hy DU ALAR tat YA eye KA Trap LIFT PLAID 1 TTI Th bh faye KAKI 5 Emp B E Faery Thugs Heghursoken pasara xX 4 Paga Sina Lust Adam a aird met f rae J W ali jupa Papa Herel 7 Trae 4 1 al iray Seay Ina eed LA HE LETT PACK ARIF E e SHEET NAIT xi eo ad TALATA AN Cai HP hini Y pa lapa Trae E sii EAT Hk EP Labao Airas a Tikpat Papir Him pA lls F Pahi f Ma r bapre prety Pah Y pilar kar aid aF bed Ada r MI i E HSL PACK AED P i im 4 ng a Te HEA E 4 ii i MAMA TENTERA is Ki id s a a Diipa ama a i m No MASEL 0 eet Fie har i w E MAIKI 2 20 the Paa Down i 12T mi iM MAES N NG Thee Foii kaa Mg x7 7 E MARY a 290 Shaan Pao paa k LL 5 250 Aban Fang paa d kila BAO amp Hi Shaan Pang Diwa OE T1 amoa Han Lipa i MLL E HO haan Nasa Dow Figure 213 Example of an HP Co
62. the delivery head assembly 2 Ensure free movement in PSExit1 sensor flags on the delivery head assembly 3 Verify that the delivery roller fingers are over the ejector rollers on the delivery head assembly 4 Replace the flat ribbon cable that connects to the delivery head assembly to the controller board PCA 5 Replace the multi bin mailbox controller board PCA 6 Replace the delivery head assembly Event log message 13 22 05 Action 1 Check for a jam in the delivery head assembly 2 Ensure free movement in PSExit2 sensor flags on the delivery head assembly 3 Verify that the delivery roller fingers are over the ejector rollers on the delivery head assembly 4 Replace the flat ribbon cable that connects to the delivery head assembly to the controller board PCA 5 Replace the multi bin mailbox controller board PCA 6 Replace the delivery head assembly Event log message 13 00 0 lt x gt lt x gt Description 5 Delivery paper delay jam 6 Delivery stationary jam Action Open the left upper door remove the jammed media and close the left upper door Verify that PS30 PS10 PS11 and PS3 sensors and the surrounding area are clean Perform sensor monitor test in the Service Mode Menu to verify all paper path sensors are functioning properly or to locate the jam Printer message troubleshooting 393 Table 42 Unnumbered printer messages continued CLEAR PAPER JAM Description The printer
63. the printer hard disk is not required printer operation can continue DISK FILE OPERATION FAILED Description The printer has received an illogical PJL command such as download to nonexistent directory DISK IS FULL Description The printer hard disk is full DISK IS WRITE PROTECTED Description A user has attempted to save to the printer hard disk while the printer hard disk is write protected DRUM ERROR REPLACE DRUM KIT Description The printer has detected an error in the imaging drum memory device Printing can continue but will be stopped as soon as the waste toner signal is triggered Printing behavior is determined by the TONER LOW control panel setting See table 20 on page 88 for information about the TONER LOW setting 396 Chapter 7 Troubleshooting Event log message 30 00 01 Action Replace the printer hard disk Event log message None Action No action is required Event log message None Action 1 From the host computer delete data from the printer hard disk using the printer drivers or a disk management application 2 To clear all data from the printer hard disk reformat the printer hard disk from the printer control panel To reformat the printer hard disk a Press MENU until CONFIGURATION MENU appears on the display b Press ITEM until INITIALIZE DISK appears on the display c Press SELECT to reformat the printer hard disk Event log message None Action S
64. the printer has no way of knowing the white point black point and chromaticity assumptions used by the application This mismatch can cause color differences Matching screen colors Matching input on screen and output colors is a very sophisticated process The input device software and output device each influence the ability to select and produce printed color output To improve color matching between the printed output and the monitor e Turn off any color matching feature in the software that does not specifically mention ColorSync ICM or ICC e Calibrate the monitor One option for monitor calibration is the Colorific software included on the color productivity CD ROM e fa color management system is being used make sure the input monitor and output composite profiles are correct Ifa color management system is available try turning it off or on to see if changing the setting changes the color match Compare monitor and output colors by placing the output in a neutral surrounding 18 to 24 inches 46 to 61 cm away from the monitor This will help the eye make the transition from the monitor white point blue to the paper white point 440 Chapter 7 Troubleshooting EN Image defects troubleshooting EN Image orientation Unless otherwise specified all references in this section to horizontal or vertical directions of print quality problems refer to problems found on letter and A4 sized media These medi
65. tray lt X gt Input tray number 1 2 3 or 4 lt type gt Last media type configured for the input tray Event log message None Action Press Go to continue printing Event log message None Action Close the input tray before resuming printing Event log message None Action 1 Press VALUE to view the choices 2 Press SELECT when the choice you want is shown 3 Press Go to bring the printer online If no key is pressed for 30 seconds after the media is detected in the input tray the type shown is automatically selected the message is cleared and printing begins WARMING UP Description The fuser is warming up 414 Chapter 7 Troubleshooting Event log message None Action No action is required EN Aids to troubleshooting This section describes various tools service personnel can use to diagnose hardware problems In addition to the tools described in this section the service and support CD ROM included with your service manual contains the user documentation Use the additional information to supplement the information found in this manual Configuration page Print a configuration page to verify that the printer is set up correctly or to verify information about the printer s configuration The page includes the following information serial number formatter board number page counts use if the controller board is also being replaced transfer kit count for perce
66. up Pick up unit roller clutch paper sensor Pick up unit cover sensor Feed roller Tray 2 and tray 3 Lifting plate Pick up motor clutch pick up solenoid solenoid Figure 245 General printer circuit diagram 3 of 4 506 Chapter 7 Troubleshooting N J36M XI en TIN Transfer belt press clutch EN Light receiving unit Light emitting Ha a Waste toner sensing PCA board el A palonoooobonoooo mA o NOIN CO o gt 2 N Ka AlTa Twlalm wlal lojolo olaola 3u2aozzlz ee 3 Bl la O NG ia Kh E ep CC a A N OO N 387M KYI 338M CXA J15M YAY s3eF RAI J15F K IN mi NIM T m NY m MINI m Jag CX J16 C PS5 PS1 Registation Separation Registation roller clutch sensor roller paper sensor Figure 246 EN J214 J221 Spaces Ma A hd P5SAVE m OHPSNS1 q 7 WINFUL PAS PS1901B Color toner lever sensor PCA NOT Scanner motor J621 MARE ei JN XU TION MY W N ah XO 3 Reserved 2 GND CTNLED 1 6 GND 45 WINLED 14 CINSNS A J211 Nd Al a 7 SCND 5 SCMFG 5 3 GND P14 Z z N N 4 OO Pi J202 7 7 YY MASALA xt a ok vho 6 O zZ O Formatter P5SAVE OHPSNS2 board 4 MDI1 3 MDO1 2 MSK1 1 MSC1 10000 AMASAL AA LO OO Mm 00 5 MPWR 4 OPCS
67. 000CN 275 Gear 11T RB1 9424 000CN 256 7 592 Chapter 8 Parts and diagrams EN Table 92 Alphabetical parts list continued Description Part number Figure Ref Gear 14T RB1 9955 000CN 258 14 Gear 14T RB1 9956 000CN 258 15 Hard disk internal 3 2 GB C2986 60006 Hardware C4785 60521 281 Kit 3 3A Screw Torx 3B Screw Torx T20 M4 x 10 3C Screw Torx Tapping T20 M4 x 10 3D Screw Torx T20 M4 x 12 3E Screw Torx Tapping T10 3F Screw Caster Head assembly with metallic tape C4785 60506 281 33 High voltage power supply RG5 3943 000CN 256 21 Hinge stopper delivery RF5 2701 000CN 273 24 Hinge stopper tray 1 delivery assembly RG5 3962 000CN 252 54 Holder fan RF5 2025 000CN 259 3 Holder flapper RB1 9751 000CN 273 12 HP Color LaserJet 8500 8500 N 8500 DN C3989 90901 Getting Started Guide English HP Color LaserJet 8500 8500 N 8500 DN Quick C3983 90919 Reference Guide English HP Color LaserJet 8500 8500 N 8500 DN C3989 90937 User s Guide English HP Color LaserJet 8500 8500N 8500 DN Self C3983 67902 Paced Training Kit NTSC HP Color LaserJet 8500 8500N 8500 DN Self C3893 67903 Paced Training Kit PAL HP Color LaserJet 8500 8500N 8500 DN C3989 60115 Service and Support CD ROM HP Color LaserJet soft gloss paper A4 sized 8 C4179B 200 sheets HP Color
68. 03 Face downtray Face downtray Leftcover om Delivery cover LJ front cover switch FE GUD Lia sg paperfullsensor deliverysensor sensor PESAVE ry eer PI EY PS10 PS11 P530 4 FAN2ON 3 p lt GND 5 ps gt ig RLOCKS 6 PX J1902 lt l Cartridge Carousel rotation J220 releaselever button switch F3 A FANILK A9 nl ae aa gml B9 FANION Bi J674 BE me A2 FAN2IK A8 J8F KY ELNRON 1f CH cc B8 FAN2ON B2 24UH 2P3 BE me J A3 FDFULL A7 i Tip B7 PssAvE B3 Jam Cleaning roller Ba mini me A4 FMCOPN_A6 press solenoid Core Ba aaa BG c 6 FDOUT LUH E3 A5 GND A5 rT RAN AN A oe B5 GND B5 Ct ul lu lu 1855 ira 46 RLSROT A4 NEE EA E EENE eH smor wT sa eE EE To J207 Page 2 2 rT KH ai B3 RMICH2 B7 ba Ga oy 00 st a co 60 oof ZEN Carousel A8 RMPHB A2 T TUTVIYTIVIYIVIYIE YN H J705 nai KENA solenoid J648 BE em B2 RMPHB B8 CH ohh A EF me J A9 RMPHA Al m Qe 5 24VAR 1 Ph FA F FX F aa emil Bi RMPHA B9 ne 4 24VAR 2 a PA __ ho S Carousel anO 3 P3 m2 GND motor PCA T apavB SE PA MA J701 J5002 J646 a4 24UH 1 Fy J55M J55F J801 To post charging unit ac 3 424UH 2 4H ral 4 ay He 2 GND 3 ry gt bi 7 8 Pa CND 4p P PS BX umiaity mm m E aka H Ha TH sensor Developer HE Se Bi imaging ae drum bias f 15001 Ps J46M J46F J75M J75F J1101 Il AD ea SOANG ANG AA CT B1 BEKSNS ri 6 GND 5 p4 p42 5p4 P42 5 P4 i 3 me E NA KA KA KA Density F3 A11 BDEVAC 73 7 DNS 4b4 P 3 4b4
69. 0506 1 34 Metallic tape and housing assembly C4785 60507 1 Kit 1 Plastic parts C4785 60519 1 1A Anti curl string 1B Spring for anti curl string 1C Pulley small bottom Kit 3 Hardware C4785 60521 1 3C Screw Torx Tapping T20 M4 x 10 3D Screw Torx T20 M4 x 12 3E Screw Torx Tapping T10 3F Screw Caster EN Illustrations and parts lists 567 j E A FEW 4 JN SNR a NG Ag a a a ay ANA KB SINGA WEE MANE a a INA INA Mi KN Ta Ns zal 13 Sur Multi bin mailbox components 3 of 3 Figure 282 EN 568 Chapter 8 Parts and diagrams Table 88 Multi bin mailbox component parts 3 of 3 Ref Description Part number Qty 35 Diagnostic LED PCA with cable C4785 60514 1 36 Attachment clip C4785 60512 2 37 Back cover C4785 60505 1 38 Delivery head position motor C3764 60507 1 39 Input paper guide nosepiece C3764 60561 1 40 Power supply C4785 60501 1 41 Transport belt motor with fan C4785 60518 1 Kit 1 Plastic parts C4785 60519 1 1D Cable holder round gasket 1E Flat cable holder edge 1F Flat cable holder Kit 2 Cables C4785 60520 1 2A Switch interlock 2B Delivery head motor cable 2C Flipper sensor controller cable 2D Flipper encoder controller 2E Flipper motor controller 2F ESD cable 2G Delivery head assembly flat cable Kit 3 Hardware C4785 60521 1 3C Screw Torx Tapping T20 M4 x 10 EN Illustr
70. 0CN Spring right lower door lever 252 22 RB1 6488 000CN Roller paper 252 16G RB1 6491 000CN Tray face up 250 11 RB1 6492 000CN Cover power switch 250 12 RB1 6557 000CN Flag paper sensing 264 48 RB1 6558 020CN Spring torsion 264 49 580 Chapter 8 Parts and diagrams EN Table 91 Numerical parts list continued Part number Description Figure Ref RB1 6589 000CN Torsion spring 264 41 RB1 6692 000CN Lever paper sensing 272 11 RB1 6894 000CN Cassette size plate 278 73 RB1 6909 000CN Spring leaf 256 6 RB1 7677 000CN Metallic retaining tab plate stop 279 94 RB1 7832 020CN Cover right 278 87 RB1 7835 000CN Metallic retaining spring spring leaf 279 93 RB1 9401 000CN Duct rear lower air 254 4 RB1 9403 000CN Cover gear 257 7 RB1 9424 000CN Gear 11T 256 7 RB1 9526 000CN Roller tray 1 pick up 270 10 RB1 9537 000CN Cover density sensor 252 32 RB1 9547 000CN Cover tray 1 side gear 252 46 RB1 9580 000CN Lever registration roller 257 13 RB1 9586 000CN Cover sensor 267 6 RB1 9617 000CN Brush cleaning 252 35A RB1 9675 000CN Spring compression 256 4 RB1 9682 000CN Duct 259 4 RB1 9704 000CN Lever holding right 275 8 RB1 9705 000CN Lever holding left 275 9 RB1 9748 000CN Lever release 275 25 RB1 9751 000CN Holder flapper 273 12 RB1 9789 000CN Cover carousel stop 254 11 RB1 9798 000CN Spring torsion 252 26 RB1 9800 000CN C
71. 1 1 by 17 inch sized media 17 0 seconds overhead transparency mode 1 1 by 17 inch sized media 12 7 seconds high gloss mode 1 1 by 17 inch sized media Wrong media size feed jam The controller board detects media size with the registration roller paper sensor PS1 and it stops the engine if the media size differs more than 15 mm between the specified media size and the actual media size On the other hand if the difference is within 4 7 5 to 15 mm or 3 7 mm or less the media is automatically delivered Door open jam The sensors listed below detect the media when a cover is opened or closed registration paper roller sensor PS1 pick up unit paper sensor PS17 separation sensor PS5 top face down output bin delivery sensor PS11 fusing delivery sensor PS1903 Initial residual jam The sensors listed below detect the media the specified time after the power switch is turned ON separation sensor PS5 fusing delivery sensor PS1903 EN Paper path troubleshooting 437 Image formation troubleshooting Before beginning image formation troubleshooting 1 Verify the media type is set correctly in the printer control panel and that the media type selected in the printer driver matches the media being printed on 2 Verify that the media meets the specifications listed in the HP LaserJet Printer Family Paper Specification Guide The following media related items are responsible
72. 152 resolution 23 resource save area full 405 data full 409 restoring factory settings 409 reverse stepper motor sensor multi bin mailbox 209 right assemblies 261 right cover subassembly 240 switch 187 right cover 2 000 sheet input unit 304 right front cover 229 right lower cover 41 right lower cover assembly 242 right rear cover 241 right upper cover 41 right upper cover assembly 238 RJ 45 connection 76 roller cleaning charging process 150 control process 162 rollers illustration 136 installing 127 618 Index location 118 lower fusing 153 paper and fuser life low 398 paper and fuser life out 398 pick up 262 registration 263 repetitive defects 464 465 replace frequency 119 upper fusing 153 waste toner feed 152 rollers 2 000 sheet input unit feed 204 lower and upper VTU 204 pick up 204 separation 204 rollers multi bin mailbox eject 210 ROM read only memory firmware test 95 installing 106 ruler repetitive defect 463 S safety laser statement 55 ozone 58 removal and replacement 222 toner 57 safety switch 3 000 sheet stapler stacker and 3 000 sheet stacker 357 scan buffer error 384 scanner illustration 136 motor lock detection circuit 170 motor not turning 375 process 169 removing 247 sealed envelopes 434 Select key 80 selecting binding 86 color 440 display language 97 media 29 self test mode 479 sensors carousel position 162 185 cleaning density 389 color cartridge 157 251
73. 3 replace frequency 119 transfer life low 411 transfer life out 411 transfer parts list 513 L labels See media language control panel overlay 79 not available 407 selecting display 97 laser error 375 illustration 136 EN motor lock detection circuit 170 process 169 removing 247 safety statement 55 scanner error 371 statement for Finland 56 laser beam exposure on imaging drum 144 process 169 LaserJet printing demonstration 83 last page sensor tray 1 182 tray 2 180 LCD display 80 ledger sized media paper size detection switches 188 paper size detection switches 2 000 sheet input unit 202 See also media LEDs 2 000 sheet input unit 470 472 3 000 sheet stapler stacker and 3 000 sheet stacker 354 490 control panel 80 multi bin mailbox 335 336 479 preconditioning exposure 136 left face up output bin delivery roller 136 full 403 480 full sensor 209 illustration 136 location 41 paper path test 96 solenoid 189 191 left assemblies 253 left cover feeder assembly 517 sensor 185 left cover 2 000 sheet input unit 301 left lower cover 42 237 left rear cover 234 left upper cover 42 236 legal sized media paper size detection switches 188 paper size detection switches 2 000 sheet input unit 202 See also media length configuring form 89 letterhead See media letter sized media overriding with A4 87 paper size detection switches 188 paper size detection switches 2 000 sheet input unit 202 See also medi
74. 3 000 sheet stapler stacker and 3 000 sheet Stacker interlock 356 switches 3 000 sheet stapler stacker and 3 000 sheet stacker safety switch 357 switches multi bin mailbox interlock 209 334 names and locations 208 switching I O 23 SWx See switches switches 2 000 sheet input unit switches multi bin mailbox symbol sets for PCL 90 7 technical assistance See support technical training 62 temperature automatic environment change control 159 fusing 166 sensor 159 sensor error 377 specifications 24 tension springs 2 000 sheet input unit 313 test print switch 187 tests continuous 395 CRC 95 developer motor 96 DIMM 95 drum motor 96 engine 398 firmware ROM 95 EN formatter video 95 hard disk 95 input trays 96 installation 105 output bins 96 paper path 95 420 printing color pages 92 sensor 96 tests 2 000 sheet input unit motor 474 sensor 475 standalone 473 tests multi bin mailbox paper path 478 power up sequence 478 standalone 477 tests stapler stacker paper path 484 standalone 487 text resolution 23 thermistor fan 177 sensors 185 thermo switches 185 thermographic inks 37 ThinLAN cables using 77 third party support 502 timeout for I O 91 timing charts description 192 full color 11 by 17 inch sized page 197 full color letter sized page 195 WAIT period 193 Token Ring 512 toner black level detection 159 cartridge not installed 399 cartridges parts lists 513 cleaning from catch tray 116
75. 304 covers 3 000 sheet stapler stacker and 3 000 sheet stacker 339 covers multi bin mailbox blind 210 318 front and back 314 315 top 316 CR cold reset message 395 paper size 94 CRC test 95 curl reducing on transparencies 433 Customer Care Center CCC Assist Line 67 Customer Care Online 62 Customer Information Centers 66 Customer Support Sales Center 66 cyan detail value 92 smooth value 92 cyan toner cartridge installing 101 location 118 replace frequency 119 D damaged media 395 transfer drum 389 Data Indicator light 80 data corrupt PUL 405 Dealer Response Line 65 dealer finding 511 declarations of conformity 47 defaults Courier setting 90 factory 409 fonts 89 number of copies 89 orientation 89 paper size 89 PCL symbol set 90 resetting factory 92 defects charge roller set 454 color plane registration 452 Index 605 developer streak 453 fading 455 hot offset 455 input tray switches 433 missing toner 454 rain 453 repetitive 462 repetitive ruler 463 sensors 434 toner bubbles 453 waves 454 deleted fonts 405 409 delivery assembly 517 553 delivery cover assembly 554 switch 187 delivery drive assembly location 517 parts list 541 removing 285 delivery frame assembly 518 delivery head multi bin mailbox assembly 210 331 assembly jams 481 line 210 motor 209 210 position motor 321 position system jams 481 roller motor 209 delivery rollers 136 extended sensor multi bin
76. 36 000CN PCA main relay 277 2 RG5 3037 000CN PCA controller board 8500 models 277 3 RG5 3037 0120CN PCA controller board 8550 models 277 3 RG5 3039 000CN Transfer drum 258 17 RG5 3044 000CN Transfer drum contact assembly 256 2 RG5 3045 000CN Lever assembly pressure 255 7 RG5 3046 000CN Lever assembly transfer drum 255 6 RG5 3047 000CN Transfer belt assembly 274 RG5 3053 000CN Carousel stop assembly 254 6 RG5 3054 000CN Tray 1 pick up assembly 270 EN Numerical parts list 583 Table 91 Numerical parts list continued Part number Description Figure Ref RG5 3057 000CN Density sensor assembly 252 35 RG5 3059 000CN Feeder assembly 269 RG5 3060 000CN Fuser assembly 120 V 275 RG5 3061 000CN Fuser assembly 220 V 275 RG5 3065 000CN Drum cartridge drive assembly 260 RG5 3066 000CN Main drive assembly 257 18 RG5 3067 000CN Delivery drive assembly 261 RG5 3079 000CN PCA photosensor 267 8 RG5 3080 000CN PCA photosensor 254 2 RG5 3084 020CN PCA carousel motor M1 277 4 RG5 3085 000CN PCA subrelay 277 5 RG5 3087 000CN Lever assembly black cartridge 255 10 RG5 3089 000CN Cassette crossmember assembly 259 30 RG5 3096 000CN Cover assembly right lower 252 16 RG5 3097 000CN Cable main 254 16 RG5 3104 000CN Cable delivery 257 20 RG5 3108 000CN Delivery cover assembly 273 RG5 3111 000CN Transfer drum cleane
77. 41 Numbered printer messages continued 64 PRINTER ERROR CYCLE POWER Description Indicates a scan buffer error Event log message 64 00 00 Action Turn the printer off and on to reset the printer 65 PRINTER ERROR CYCLE POWER Description Indicates a DRAM controller error Event log message 65 00 00 Action 1 Turn the printer off and on to reset the printer 2 Perform DRAM DIMM test from the formatter diagnostics in the Service Menu 3 Ifthe problem persists replace the bad DIMM 66 lt x gt 0 lt yy gt C LINK COMM ERROR CHECK CABLES AND CYCLE POWER Description Indicates a communication error between the 2 000 sheet input unit or the multi bin mailbox and the printer lt x gt Device number in the link lt yy gt Error code from the optional device Event log message None Action 1 Verify that the C link and power cables are connected 2 Turn the printer off and on to reset the printer 66 11 01 INPUT DEVICE FAILURE CHECK CABLES AND CYCLE POWER Description Indicates a 2 000 sheet input unit lifting motor error Event log message 66 11 01 Action 1 Verify that the c link and power cables are connected Turn the printer off and on to reset the printer Verify that there are no objects or paper stored in the left side of the tray 4 Verify that the lifting plate moves freely by hand 5 Verify that the paper size plates are installed correctly and th
78. 5 Plate paper limit middle RG5 3849 000CN 1 86 Plate paper reference front RF5 3850 000CN 1 87 Cover right RB1 7832 020CN 1 88 Cover top label included RG5 2644 000CN 1 89 Vertical transfer unit VTU RG5 3854 000CN 1 Kit 1 Screws kit 2 000 sheet input unit RY7 5044 000CN 1 EN Illustrations and parts lists 561 92 FA Kit 1 a Kit 1 S LAG 102 Figure 279 2 000 sheet input unit internal components 562 Chapter 8 Parts and diagrams EN Table 85 2 000 sheet input unit internal component parts Ref Description Part number Qty 91 Front LED PCA with holder and cable RG5 4204 000CN 1 92 Cable main RG5 3919 000CN 1 93 Metallic retaining spring spring leaf RB1 7835 000CN 2 94 Metallic retaining tab plate stop RB1 7677 000CN 2 95 Outriggers RG5 4205 000CN 1 96 Paper deck PCA RG5 3908 000CN 1 97 Paper quantity sensor PCA assembly RG5 2166 000CN 1 98 Paper size sensor PCA assembly RG5 2168 000CN 1 99 Power supply cable RG5 3909 000CN 1 100 Power supply fuse 250 V 3 15 A VD7 1893 151CN 1 101 Spring tension RS5 2561 000CN 2 102 Universal power supply assembly RG5 4021 000CN 1 Kit 1 Screws kit 2 000 sheet input unit RY7 5044 000CN 1 EN Illustrations and parts lists 563 Multi bin mailbox components Figure 280 Multi bin mailbox components 1 of 3 564 Chapter 8 Parts and diagrams EN Table 86 Multi bin mailbox component parts 1 of 3
79. 54 WAV CS a a hn ah Baat a ip dep a eee anaes 454 Missing toner aaau aaaea 454 HOLONSE a nona reena a E Ba A 455 Fad eea a le bA 455 Color balance adjustment n nannaa anaana aana 457 Repetitive defects troubleshooting 462 Color developer roller nnana annaa aaa 464 Charging roller nnana anaana 464 Black developer roller 464 Cleaning roller 2 0 0 ce ees 464 Developer DSD wheels 464 Transfer rollefss 2 aaa NG KLA eee bee dee ee dees 465 Transiter GEN aiia bh ma ato deg deena anaes 465 UCC 2 cated AA a AG ok eaters 467 Maging AP IND arera Pah A eed ee tec nom Be a 467 Tansier bela ee hand hn Da Gan 468 2 000 sheet input unit troubleshooting 469 Ways to troubleshoot the unit 469 Status LED descriptions 470 Status LED descriptions 470 Standalone running test 008 473 WIQTOR TOST AAP 474 Sensor test a a a aTa a 475 364 Chapter 7 Troubleshooting EN Multi bin mailbox troubleshooting 477 Switching the multi bin mailbox to test mode 477 Power up sequence test 478 Paper path test 0 Aa 478 Multi bin mailbox LED descriptions 479 3 000 sheet stapler stacker troubleshooting 482 Calibrating the staple position 482 Troubleshooting to
80. 7846A 8 MB synchronous DIMM C7842A NOTE For all DIMM products you must install DRAM DIMMs in synchronized pairs for example two 4 MB DIMMs Accumulator assembly stapler stacker C4788 60502 284 20 Adjustable caster C4788 60516 284 15 Adjustable fixed caster C4785 6051 1 280 21 Arm sensor RB1 6417 000CN 267 3 Arm sensor RG5 1859 000CN 264 51 Attachment assembly rod bracket cables C4785 60516 280 22 Attachment assembly rod bracket cables C4788 60523 284 14 Attachment clip C4785 60512 282 36 Back cover C4788 60504 283 5 Black toner cartridge C4149A Blind cover C4785 60503 280 23 Brush cleaning RB1 9617 000CN 252 35A Bushing RS5 1119 000CN 255 8 Bushing RS5 1317 000CN 255 29 30 EN Alphabetical parts list 587 Table 92 Alphabetical parts list continued Description Part number Figure Ref Bushing RS5 1319 000CN 259 19 Bushing paper deck drive RS5 1399 000CN 278 81 Cable carousel RG5 3923 000CN 257 6 Cable DC power RG5 3921 000CN 254 19 Cable delivery RG5 3104 000CN 257 20 Cable delivery connector RG5 3147 000CN 257 12 Cable main RG5 3097 000CN 254 16 Cable main RG5 3919 000CN 279 92 Cable main motor RG5 3942 000CN 257 5 Cable power signal RG5 3922 000CN 254 20 Cable sensor RG5 3144 000CN 254 18 Cables C4785 60520 282 Kit 2 2A Switch interlock 2B Delivery head motor cable 2C Flipper sensor controller cable 2D Fl
81. 8 Spring tension RS5 2561 000CN 279 101 Spring torsion RB1 6409 000CN 267 2 Spring torsion RB1 6558 020CN 264 49 Spring torsion RB1 9798 000CN 252 26 Spring torsion RS5 2697 000CN 259 20 Spring torsion RS5 2698 000CN 259 16 Stacker bin for stacker C4779 60505 283 3 Stacker controller PCA stacker C4779 60507 284 18 Stacker door assembly for stacker C4779 60502 283 6 Stapler stapler stacker C4788 60519 284 11 Stapler bin for stapler stacker C4788 60528 283 3 Stapler controller PCA stapler stacker C4788 60509 284 18 Stapler door assembly with label for stapler C4788 60507 283 6 stacker Stapler refill housing C4788 60522 284 12 Static charge eliminator assembly RG5 3973 000CN 259 14 Stationary caster C4788 60515 284 16 Stop flip up media RA0 0073 000CN 251 2D Stopper open close RB1 6484 000CN 251 252 6A 16C Strap front door support RB1 4497 000CN 250 3D Support cover RA0 0079 000CN 251 51A Switch black toner cartridge SW644 WC4 5136 000CN 255 22 598 Chapter 8 Parts and diagrams EN Table 92 Alphabetical parts list continued Description Part number Figure Ret Switch toner cartridge cover SW672 WC4 5150 000CN 254 30 Token Ring J3112A Torsion spring RB1 6589 000CN 264 41 Transfer belt assembly RG5 3047 000CN 274 Transfer drum RG5 3039 000CN 258 17 Transfer drum cleaner holder assembly RG5 3111 000CN 259 21 Transfer drum co
82. 850 000CN Plate paper reference front 278 86 RG0 0017 000CN Cover rear fan housing 251 51 RG0 0104 000CN Cover assembly inner left 253 1 RG0 0110 000CN Delivery assembly 272 RG0 0111 000CN Cover assembly top 251 2 RG0 0112 000CN Cover assembly front 250 3 582 Chapter 8 Parts and diagrams EN Table 91 Numerical parts list continued Part number Description Figure Ref RG0 0113 000CN Cover assembly left upper 250 4 RG0 0115 000CN Cover assembly rear 251 5 RG5 1845 000CN PCA cassette size sensing 277 1 RG5 1851 000CN Tray rail assembly 257 3 RG5 1859 000CN Arm sensor 264 51 RG5 1860 000CN PCA paper pick up 264 103 RG5 1884 000CN PCA tray 1 277 6 RG5 2166 000CN Paper quantity sensor PCA assembly 279 97 RG5 2168 000CN Paper size sensor PCA assembly 279 98 RG5 2644 000CN Cover top label included 278 88 RG5 3007 000CN Registration frame assembly 267 RG5 3008 000CN Transfer mount assembly 259 36 RG5 3009 000CN Registration roller assembly 268 RG5 3010 000CN Transfer swing assembly 257 10 RG5 3022 000CN Face up solenoid assembly 254 140 RG5 3023 000CN Shield case assembly 258 7 RG5 3026 030CN Developer imaging drum bias supply 256 20 RG5 3031 000CN Connector holder assembly 254 15 RG5 3032 000CN PCA photosensor 267 7 RG5 3033 000CN Developing rotary 260 36 RG5 3034 000CN Sensor assembly color toner 256 8 RG5 30
83. 983 40006 Control panel overlay French 8550 models C7096 40009 Control panel overlay German 8500 models C3983 40007 Control panel overlay German 8550 models C7096 40010 Control panel overlay Hungarian 8550 models C7096 40003 Control panel overlay Italian 8500 models C3983 40014 Control panel overlay Italian 8550 models C7096 40017 Control panel overlay Korean 8500 models C3983 40003 Control panel overlay Korean 8550 models C7096 40006 Control panel overlay Norwegian 8500 models C3983 40010 Control panel overlay Norwegian 8550 models C7096 40013 Control panel overlay Polish 8550 models C7096 40002 Control panel overlay Portuguese 8500 models C3983 40005 Control panel overlay Portuguese 8550 models C7096 40008 Control panel overlay Russian 8500 models C3983 40015 Control panel overlay Russian 8550 models C7096 40018 Control panel overlay Simplified Chinese 8500 models C3983 40004 Control panel overlay Simplified Chinese 8550 models C7096 40007 Control panel overlay Spanish 8500 models C3983 40008 Control panel overlay Spanish 8550 models C7096 40011 Control panel overlay Swedish 8500 models C3983 40011 Control panel overlay Swedish 8550 models C7096 40014 EN Alphabetical parts list 589 Table 92 Alphabetical parts list continued
84. B Lever paper height RA0 0112 000CN 272 12 Lever paper sensing RB1 6692 000CN 272 11 Lever registration roller RB1 9580 000CN 257 13 Lever release RB1 9748 000CN 275 25 Lever right lower cover RB1 6485 000CN 252 16D Lever right upper door RB1 6485 000CN 252 17 Lever shutter RA0 0008 000CN 250 3B Locating pin metal positioning RF5 2556 000CN 278 78 594 Chapter 8 Parts and diagrams EN Table 92 Alphabetical parts list continued Description Part number Figure Ref Macintosh DIN 8 printer cable 922155 Magenta toner cartridge C4151A Main drive assembly RG5 3066 000CN 257 18 Media jam knob RB1 9928 000CN 253 7 Metallic retaining spring spring leaf RB1 7835 000CN 279 93 Metallic retaining tab plate stop RB1 7677 000CN 279 94 Metallic tape and housing assembly C4785 60507 281 34 Motor carousel M1 RH7 1325 000CN 256 26 Motor cartridge M3 RH7 1328 000CN 260 23 Motor main M4 RH7 1323 000CN 257 21 Motor pick up M5 RH7 1350 000CN 264 87 Mount clutch RB1 9828 000CN 256 15 Multi bin mailbox assembly C4785 60534 280 28 product number C4785A Note You must have a 2 000 sheet input tray in order to install a multi bin mailbox Multi bin mailbox controller with metal box C4785 60532 280 29 Multi bin mailbox repackaging kit C4785 60513 Multi bin mailbox shipping lock kit C4787 60503 Multi bin mail
85. C4781 60500 Power box C4781 60504 C link cable from formatter board to the 2 000 sheet input unit C4782 60501 Duplexer product number C4782A C4782 69501 Exchange duplexer C4785 60502 Face down bin 280 24 C4785 60503 Blind cover 280 23 C4785 60504 Cover front 280 26 C4785 60505 Cover back 282 37 C4785 60506 Head assembly with metallic tape 281 33 C4785 60510 Fixed casters 280 30 C4785 60511 Adjustable fixed caster 280 21 C4785 60512 Attachment clip 282 36 C4785 60513 Multi bin mailbox repackaging kit C4785 60514 Diagnostic LED PCA with cable 282 35 C4785 60516 Attachment assembly rod bracket cables 280 22 C4785 60518 Transport belt motor with fan 282 41 C4785 60519 Plastic parts 281 Kit 1 1A Anti curl string 1B Spring for anti curl string 1C Pulley small bottom 1D Cable holder round gasket 1E Flat cable holder edge 1F Flat cable holder 1G Spacer plastic C4785 60520 Cables 282 Kit 2 2A Switch interlock 2B Delivery head motor cable 2C Flipper sensor controller cable 2D Flipper encoder controller 2E Flipper motor controller 2F ESD cable 2G Delivery head assembly flat cable EN Numerical parts list 577 Table 91 Numerical parts list Continued Part number Description Figure Ref C4785 60521 Hardware 281 Kit 3 3A Screw Torx 3B Screw Torx T20 M4 x 10 3C Screw Torx Tapping T20 M4
86. CT Ps O E B7 py BE Nl OJO J101 eC A7 le J215 zz TI N 69 st LO Be HNH J 1 GND a E a raise 2 P5SAVE 3NG ee alalallalals o o B5 Hm 3 UCEDFS olz converter 2 as o H SE pol i FIE gt HVFIXR To high B4 P7 aa TTT J26 B_ J26FA voltage Aio S g B3 Th nanda ola AAALIZTI Hola ING converter O FA ay J27F F 2 PCA an M 2 24UH rw YY Y Y Y YY WYN UY Y W V W TYY V W YW N B2 gt i J27M copi KAK J26M AXK AAAA KK X i 3 DRMPHA D To Lover a12 4 JORMPHA rum TONTTONT toal TONTTONT toal fusin Bi 1H 4 1 ERMD motor AAMT DAAN LLT G er a tt e DRMPHB To upper amp _ gt _ AN pe fusing roller J130 J208 e 1 P5SAVE 3 F F 1 3p PS19 CH 2 GND Pi 32 271 Last page SG Pa PA PA gt 3 MPDFS Pil P3 1b T Ea 4 GND LING SE sensor J120F J120M Sa J32M_J32F J34 TPU THL E ESWE la ar J126 Ey Pil pers Jar JL HU pe e tray 1 J128 H 0 I Ene 3 paper width a J1709 detection PCA Figure 244 EN General pr inter circuit diagram 2 of 4 Diagrams 505 PAS J5604 4 Face up Carousel PS1903 To transfer solenoid position charger sensor _ Fusing ps3 delivery sensor J190 J5602 JA1F J45F OX To subrelay PCA j J676 discharge JAIM J4ASM high voltage PCA o au J5600 H Tmi NI OO t LA O Q tN pp Se Ww Alu wi
87. D on the main relay PCA after the printer is turned on If the voltage is not 24 V replace the main relay PCA Check the AC power supply If the problem is not rectified after the printer is turned off and on again find the cause of activation of the overcurrent overvoltage detection circuit in the power supply Wait more than two minutes before turning the power back on Replace the power supply 380 Chapter 7 Troubleshooting EN Table 41 Numbered printer messages continued 57 2 FAN FAILURE Description One of the cooling fans failed or is obstructed 2 Fan 2 FM 2 Event log message 57 00 02 Action Caution Turn the printer off and do not operate the printer in this condition or it can be seriously damaged 1 2 Turn the printer off and on to reset it Reconnect connectors J703 and J706 on the carousel motor PCA and connector J220 on the controller board Reconnect connector J701 on the carousel motor PCA connector J648 on the main relay PCA and connector J102 on the DC power supply Measure the voltage across connector J703 3 FAN2ON and J703 1 GND on the carousel motor PCA after the printer is turned on If the voltage changes from 0 V to 24 V replace fan 2 Measure the voltage across connector J701 1 24 VB and J701 2 GND on the carousel motor PCA after the printer is turned on If the voltage is about 24 V replace the carousel motor Measure the voltage across con
88. EN Table 92 Alphabetical parts list continued Description Part number Figure Ref Cover left rear RA0 0065 000CN 251 6 Cover left upper RB2 0057 000CN 273 13 Cover power switch RB1 6492 000CN 250 12 Cover rear fan housing RG0 0017 000CN 251 51 Cover right RB1 7832 020CN 278 87 Cover right rear RA0 0067 000CN 252 7 Cover right rear lower corner RA0 0074 000CN 256 1 Cover right subassembly RF5 1995 000CN 252 31 Cover sensor RB1 9586 000CN 267 6 Cover top C3764 60555 280 31 Cover top label included RG5 2644 000CN 278 88 Cover tray 1 side gear RB1 9547 000CN 252 46 Cover waste toner tray RA0 0083 000CN 253 10 Crossmember RB 1 9800 000CN 255 40 Cyan toner cartridge C4150A Delivery assembly RG0 0110 000CN 272 Delivery cover assembly RG5 3108 000CN 273 Delivery drive assembly RG5 3067 000CN 261 Delivery head position motor C3764 60507 282 38 Density sensor assembly RG5 3057 000CN 252 35 Developer imaging drum bias supply RG5 3026 030CN 256 20 Developing rotary RG5 3033 000CN 260 36 Diagnostic LED PCA with cable C4785 60514 282 35 Drum kit C4153A Imaging drum Two air filters Hand wipe Drum cartridge drive assembly RG5 3065 000CN 260 Duct RB1 9682 000CN 259 4 Duct rear lower air RB1 9401 000CN 254 4 Duplexer product number C4782A C4782 60501 EIO hard disk C2985A EN Alphabetical pa
89. Invalid RAM type 14 DIMM not paired properly 15 Bad firmware upgrade DIMM checksum 16 More than one set of firmware upgrade DIMMs 17 Not enough DRAM to run lt n gt EIO slot number 1 Bottom EIO slot 2 Top EIO slot The HP Color LaserJet 8550 printer supports font DIMMs the HP Color LaserJet 8500 printer does not support font DIMMs 376 Chapter 7 Troubleshooting EN Table 41 Numbered printer messages continued 54 1 TEMPERATURE SENSOR ERROR CYCLE POWER Description Indicates that the temperature humidity sensor in the printer has malfunctioned The temperature humidity sensor is located below tray 2 Event log message 54 00 01 Action 3 Reconnect connector J801 and relay connector J55 on the temperature humidity sensor and connector J206 on the controller board Replace the cassette crossmember assembly which includes the temperature humidity sensor Replace the controller board 54 2 CAROUSEL ERROR CYCLE POWER Description Indicates that the color toner carousel is not working correctly This could be caused by an obstruction in the carousel path such as a loose shutter or disengaged toner cartridge EN Event log message 54 00 02 Action Turn the printer off and on to reset the printer Open the carousel door and waste toner tray Look for an obstruction such as a toner cartridge shutter catching on the waste toner tray Verify the toner lock lever
90. LaserJet soft gloss paper letter sized C4179A 200 sheets HP Color LaserJet transparencies A4 sized 50 C2936A sheets HP Color LaserJet transparencies letter sized C2934A 50 sheets EN Alphabetical parts list 593 Table 92 Alphabetical parts list continued Description Part number Figure Ref HP JetDirect Software Installation Guide 5966 5171 English HP LaserJet Printer Family Paper Specification 5021 8956 Guide HP LocalTalk cable kit 92215N HP Peripherals Connectivity Solutions Guide 5091 6456 IEEE 1284 compliant parallel cable of 3 m C2946A approximately 10 ft with 25 pin male micro 36 pin male C size connector Input paper guide nosepiece C3764 60561 282 39 Interlock C4788 60514 284 21 ITD guide RB2 0010 000CN 260 40 Kit of rollers jam access door multi bin C4785 60526 280 mailbox Label CAUTION RS5 8380 000CN 253 4A Laser scanner unit RG5 3936 000CN 258 18 Latch roller action RB1 5153 000CN 250 SE Latch roller action RF0 0003 000CN 253 6 LED PCA C4788 60510 284 8 Lever assembly black cartridge RG5 3087 000CN 255 10 Lever assembly pressure RG5 3045 000CN 255 7 Lever assembly transfer drum RG5 3046 000CN 255 6 Lever holding left RB1 9705 000CN 275 9 Lever holding right RB1 9704 000CN 275 8 Lever left upper door RB1 6485 000CN 250 4
91. Media jams could occur when it is out of place Clean the printer Toner and paper dust in the paper path inhibit free movement of media through the printer and block the sensors Vary the input and output selections of the printer to determine if the problem is associated with a particular area of the printer Worn separation rollers on the input tray cause last page multi feeds Check the condition of the pick up rollers and separation rollers when troubleshooting multi feeds Bent separation tabs cause misfeeds and multi feeds Replace the tray if necessary Defective input tray switches can cause media jams by indicating the wrong size media to the formatter board Scraps of paper left in the paper path can cause intermittent media jams Always check that the paper path is clear when cleaning the printer and when clearing media jams Also remove the fuser and carefully check it for jammed media Reduce curl of black only transparencies by e placing the transparencies in a presentation sleeve e printing to the left face up output bin Verify that the media requirements are met See page 29 Wrinkled pages EN Verify the green fuser lever is down Verify the media size and type are set correctly in the printer driver and the printer control panel Verify the media meets the specifications listed in the HP LaserJet Printer Family Paper Specification Guide Paper path troubleshooting 433 Note Sealed envelopes
92. NS N C 2 GND N C Jam COO 223 AAAA SA TON rH ON O in tN ONON Drum memory imaging drum J48M General printer circuit diagram 4 of 4 J205 J218 S AI 69 L0 co O Q zZ zZ O O N 9 J1601A p Ji B Laser driver PCA salon ak hEEL O q T gt O ep Ww SOR SOR GISIe Sl aloo lm keo lial eles leu TTTVIYITI TY UN oe N ISSOUUSEO CN aa XX ie E ASA ed ed ed AA Hh 3 LSIZE3 2 LSIZE2 1 LSIZE1 4 LSIZE4 Pa o e h FS Pa o e A VN Pa CTT tT I NTN sae Tray 3 papersize papersize detectionswitchf detectionswitch Tray 2 Tray 2 and tray 3 and tray 3 paper size paper size detection detection PCA PCA Diagrams 507 508 Chapter 7 Troubleshooting EN EN Parts and diagrams Chapter contents Sc AA 511 Ordering paris 4 00 60 GAN awed eo 6eeece ho hee ee ANA 511 Consumables options and accessories 511 Miscellaneous parts 514 Illustrations and parts lists 2 0 0 0 0 00 eee 516 Major assembly locations 517 Printer covers and doors 519 Internal cover assembly 526 Internal components 528 Drum cartridge drive assembly 540 Delivery drive assembly 541 Tray 3
93. P43 4p Jotseti GT B7 FCOLOR p4 8 DENREF 3p4 pa 3p P44 3 by etection Be td 9 3 E LA kA NA AI A10 BDEVDC b4 9 LEDCNT 2b4 ip 5 2b4 145 2 PCA Co ze cA NA O la B3 125KHZ ge 1045Y 1 px 6 1 FT Py 6 1 PSX NG A9 CHGAC MY MA MA CH me B4 50KHZA ot A8 CDEVDC ne B5 25KHZz J67 T5015 Pa PALA 21 5V AM a a De B6 CDEVPWM amy Na To EJ l1 6 7 A a6 GND cleaning 5 a j2 2 Q DE B7 BDEVPWM roller EJ J3 ANA Cp A5 SLVICH 3 D J5008 me B8 50KHZB _ 6 em A4 SLVPHA 2 ii me J B9 SLVPHB 4 9 cc A3 SLVPHA J225 J7Z3M J73F 1 Ka me B10 SLVPHB pes Ft 8 8H al rl a2 CHGAC GND 2 7 7 P4 AS Bri CHGPWM mPa P33 8 May 008 Pila cHanc kg hg H py mp3 10 4 3 591 Printer High voltage 60 CET Bp FcHG i N IT mi TEL Control power supply oe mpo X3 3 F panel D E31 24UH pi 7 K 3 m P42 SIVPHA J E To PA 3 SLVPHA 7mp secondary ne 4 SLVPHB Z J5005 transfer rs Ej belt K 26 J203 Controller board Figure 243 General printer circuit diagram 1 of 4 504 Chapter 7 Troubleshooting EN CCRGLED CCRGSNS EXSW GND CLNRON 24UH Black toner cartridge detection switch H11 PMP o G N Gn Pd SW644 H J645 naaa y KO gt LAI J683 1 Z Preconditioning S exposure LED unit J18M J18F J74M J74F II FM3 sei A anD 3f AA 1 Jest 4 HP J682 1 b 2 FANSLK2 iz 3f preconditioning P4 2H P FANON Ty ea 2h Feondtonng Ki 9S 7 ae HM NG aby
94. Roller paper RB1 6488 000CN 252 16G Roller pick up RF5 1835 000CN 264 278 21 83 Roller tray 1 pick up RB1 9526 000CN 270 10 Safety switch assembly C4788 60517 284 22 Screw kit 2 000 sheet input unit RY7 5044 000CN 278 279 Kit 1 Screw RS M3 x 6 XA9 0849 000CN 257 26 Screw tapping pan head M4 x 10 XB4 7401 007CN 264 501 Screw TP M3 x 6 quantity 10 XA9 0836 000CN Screw TP M4 x 8 filler panel bracket for tray 2 XA9 0926 000CN 249 3 Screw TP M4 x 8 quantity 10 XA9 0926 000CN Screw w washer M3 x 8 quantity 10 XA9 0951 000CN Screw w washer M4 x 12 quantity 4 XA9 0940 000CN 258 37 Sensor assembly color toner RG5 3034 000CN 256 8 Sensor assembly toner waste RG5 3934 000CN 258 24 Sensor slider assembly RG5 3131 000CN 259 37 Separation discharge high voltage converter RH3 0234 000CN 256 39 EN Alphabetical parts list 597 Table 92 Alphabetical parts list continued Description Part number Figure Ref Separation discharge high voltage converter RG5 3966 000CN 256 30 PCA Shield case assembly RG5 3023 000CN 258 7 Spring compression RB1 6486 000CN 252 16E Spring compression RB1 9675 000CN 256 4 Spring compression RS5 2719 000CN 251 51B Spring leaf RB1 6909 000CN 256 6 Spring left upper door lever RB1 6486 000CN 250 4C Spring right lower door lever RB1 6486 000CN 252 22 Spring tension RS5 2465 000CN 256 2
95. Strap front door support RB1 4497 000CN 1 3E Latch roller action RB1 5153 000CN 1 4 Cover assembly left upper 37 RG0 0113 0000N 1 4B Lever left upper door RB1 6485 000CN 1 4C Spring left upper door lever RB1 6486 000CN 1 8 Cover hinge RA0 0068 000CN 1 9 Cover front right RA0 0069 000CN 1 10 Cover left lower RB1 6480 000CN 1 11 Tray face up RB1 6491 000CN 1 12 Cover power switch RB1 6492 000CN 1 Filler panel for tray 2 RB2 0207 000CN 1 Filler panel bracket for tray 2 RB2 0208 000CN 1 Filler panel bracket screw for tray 2 XA9 0926 000CN 1 EN Illustrations and parts lists 521 Printer covers and doors 3 of 4 Figure 251 EN 522 Chapter 8 Parts and diagrams Table 60 Printer doors and covers 3 of 4 Ref Description Part number Qty 1 Filter large air RB1 9807 000CN 1 2 Cover assembly top RG0 0111 000CN 1 2 Cover assembly top HP CLJ 8550 MFP only 1 Note This cover is the molded plastic ONLY electronics are not attached The cover allows for attachment of the copy module frame 2D Stop flip up media RA0 0073 000CN 1 5 Cover assembly rear RG0 0115 000CN 1 6 Cover left rear RA0 0065 000CN 1 6A Stopper open close RB1 6484 000CN 1 19 Filter small air RB 1 9808 000CN 1 20 Cover auxiliary RA0 0078 000CN 1 39 Cover fan RF0 0012 000CN 1 51 Cover rear fan housing RG0 0017 000CN 1 51A Support cover RA0 0079 000CN 1 51B Spring compression RS5 2719
96. Troubleshooting Chapter contents Pre troubleshooting checklist 367 Printer message troubleshooting 368 Aids to troubleshooting 0 0 00 ee eee eee 415 Configuration page 0 eee eee 415 Continuous configuration page 418 Demonstration page 418 E e o sama KA oue ease nee NAO NANA ANEK 419 Service mode engine diagnostics 420 Disabling interlocks eee 425 Service mode formatter diagnostics 430 COIA TESST AN 431 Faull log pa o s AKA eae KGG EA ao es ee 432 Paper path troubleshooting 433 General paper path checklist 433 Wrinkled pages 0 ccc eee eee eee 433 Sealed envelopes 0 0 eee eee eee 434 Nodia JanS i eta se ani en eau ed wr a toh che ghee ap AG 434 Image formation troubleshooting 438 Understanding color variations 439 Common causes of color variation 439 Chapter contents 363 Image defects troubleshooting 441 Image orientation 441 Image defect examples 442 Developer streak 453 Color plane registration 0 0000 452 FRAME Ves cid ee ae castes bab ke Jala GD r hd 453 Toner bubbles 0 00 a 453 Charge roller set 4
97. a lever unlocked toner 403 Index 611 life drum kit low 397 drum kit out 397 fuser and paper roller low 398 fuser and paper rollers out 398 transfer kit low 411 transfer kit out 411 life detection fuser kit 156 imaging drum 154 transfer kit 156 lifting plate position sensor 183 185 solenoid 183 189 lifting plate 2 000 sheet input unit 203 204 lights See LEDs line feed command 90 list server 64 lists font 83 parts 509 LocalTalk accessories 512 networks 76 parts list 513 port 76 lock detection for laser scanner motor 170 logs error 469 event 83 94 407 419 fault 95 low toner 410 lower fuser heater 171 fusing roller 136 153 VTU rollers 204 M1 See carousel motor M2 See drum motor M3 See cartridge motor M4 See main motor M5 See pick up motor Macintosh cable parts list 513 magenta detail value 92 smooth value 92 magenta toner cartridge installing 101 location 118 replace frequency 119 mailbox mode multi bin mailbox 205 mailbox See multi bin mailbox main drive 2 000 sheet input unit assembly 310 clutch 200 612 Index main gear assembly 287 main motor description and illustration 175 location 171 main motor 2 000 sheet input unit 200 main relay PCA 293 maintenance black toner cartridge 100 color toner cartridges 101 consumables 98 imaging drum 99 strategy 222 user replaceable parts 224 maintenance units See consumables manual feed 87 404 manuals ordering 62 manufacturing codes f
98. a in the print buffer will be lost 370 Chapter 7 Troubleshooting EN Table 41 Numbered printer messages continued 30 00 01 event log message Hard disk internal self test routine failure detection 40 lt n gt HP EIO ERROR Description An EIO accessory connection has been abnormally broken while transferring data from the computer to the printer lt n gt EIO slot number 1 Bottom EIO slot 2 Top EIO slot 40 00 01 event log message An EIO accessory is initializing 13 11 31 event log message At power on paper entry sensor PS31 in VTU is active 41 2 PRINTER ERROR Description Indicates that a beam detect laser scanner error has occurred on the previous page The page will reprint and continue See DISK DEVICE FAILURE in table 42 on page 396 Event log message 40 00 00 Action Press Go Print an ElO configuration page to verify that the ElO accessories are installed properly 3 Check that all cables are connected to the EIO ports and that the EIO accessory is seated properly Turn the printer off and on to reset it If possible print to another network printer to verify the network is working properly All data in the print buffer will be lost See ElO lt n gt INITIALIZING in table 42 on page 397 See CLEAR INPUT DEVICE JAM in table 42 on page 391 Event log message 41 00 02 Action Open and close the front door of the printer to remove any rem
99. a sizes are fed into the printer long edge first Because media sizes other than letter or A4 are fed into the printer short edge first the orientations of print quality problems differ from those on letter or A4 sized media Print quality problems that appear horizontally on a letter or A4 sized page when it is held with the short edge up run vertically on other media sizes when the page is held with the short edge up The same is true for a vertical defect on a letter or A4 sized page it will appear as a horizontal defect on other sizes of media Figure 223 on the following page shows a print quality problem printed on both a letter or A4 sized page and the same defect on an 11 by 17 inch or A3 sized page Image defects troubleshooting 441 ABCDEFGH IJKLM 9ABCDEFGHIJKLM SABC m 89ABCDE 789ABCD 9ABCDEFGHI 9ABCDEFGH 89ABCDEFG Figure 223 Image orientation and direction of travel Letter or A4 sized media 11 by 17 inch or A3 sized media or any other size of media Print quality problem developer streak in this example Direction media moves through the printer process direction Direction streaks occurs on pages oOo oa fF W N Direction banding occurs on pages Note PostScript print samples are located on the service and support CD which is included with your service manual Print these files by copying them to the parallel port LPT 1 for example copy magnta ps Iptl Image defect examples F
100. able adapter C4787 60503 Multi bin mailbox shipping lock kit C7096 40001 Control panel overlay Turkish 8550 models C7096 40002 Control panel overlay Polish 8550 models C7096 40003 Control panel overlay Hungarian 8550 models C7096 40004 Control panel overlay English 8550 models C7096 40005 Control panel overlay Traditional Chinese 8550 models C7096 40006 Control panel overlay Korean 8550 models C7096 40007 Control panel overlay Simplified Chinese 8550 models C7096 40008 Control panel overlay Portuguese 8550 models C7096 40009 Control panel overlay French 8550 models C7096 40010 Control panel overlay German 8550 models C7096 40011 Control panel overlay Spanish 8550 models C7096 40012 Control panel overlay Dutch 8550 models C7096 40013 Control panel overlay Norwegian 8550 models C7096 40014 Control panel overlay Swedish 8550 models C7096 40015 Control panel overlay Finnish 8550 models C7096 40016 Control panel overlay Danish 8550 models C7096 40017 Control panel overlay Italian 8550 models C7096 40018 Control panel overlay Russian 8550 models C7096 40019 Control panel overlay Czech 8550 models J3113 61003 PCA 10 100Base T RY7 5044 000CN Screw kit 2 000 sheet input unit EN Ordering parts 515 Table 57 Miscellaneous parts continu
101. age 2 Check the function of the door interlocks see page 425 for interlock locations Event log message None Action No action is required For more information about factory default settings see the menu maps beginning on page 82 See page 431 for more information about performing a cold reset CONFIG LANGUAGE Description The printer has recognized the key sequence for selecting the display language CONTINUOUS TEST PRESS CANCEL JOB Description A continuous configuration page is printing Event log message None Action Wait for the display language options to appear and select the appropriate language For more information about selecting the display language see page 97 Event log message None Action Press CANCEL JOB to exit the configuration page printout mode If the printer is in the process of printing when CANCEL JOB is pressed the printer finishes printing the buffered pages before returning online DATA RECIEVED PRESS GO KEY Description The printer has received and processed data The printer is waiting for a formfeed EN Event log message None Action Press Go Printer message troubleshooting 395 Table 42 Unnumbered printer messages continued DISK DEVICE FAILURE Description The printer hard disk s internal self test routine has been invoked to read minimum and maximum logical block addresses with no retries and has detected a failure If access to
102. aining pages from the printer Turn the printer off and on to reset the printer Reconnect connector J1001 on the laser driver PCA and connector J205 on the controller board 4 Reconnect connector J2 on beam detect PCA relay connector J40 and connector J211 on the controller board 5 If the problem persists replace the laser scanner unit 6 If after replacing the laser scanner unit the problem persists replace the controller board EN Printer message troubleshooting 371 Table 41 Numbered printer messages continued 41 3 UNEXPECTED PAPER SIZE LOAD TRAY 1 lt width gt lt length gt Description Tray 1 is configured for a specific media size but the printer detects a different size being fed from tray 1 For example the printer was expecting a letter sized page but detected that an 11 by 17 inch sized page was fed instead lt width gt Media width specified in the printer driver or application lt length gt Media length specified in the printer driver or application Event log message 41 00 03 Action N 6 Verify the correct size media width and length are loaded in tray 1 Verify the paper guides are set correctly Load the requested size media in tray 1 Or press GO to print on the default size Verify that the media width sensor on the paper guides are working properly Reconnect connector J1701 on the tray 1 width detection PCA relay connector J33 and co
103. all errors that occurred while the formatter diagnostics tests were executing This log is completely separate from the event log No entries are made in the event log for any diagnostic mode failure Error message logging When a test in formatter diagnostics detects an error the Attention LED is lit and a message describing the error is added to the fault log The fault log holds a maximum of 50 entries When the fault log is full and a new message needs to be added the oldest message is discarded The contents of the fault log are erased when the printer is powered off or when the fault log is cleared Viewing the fault log The fault log menu appears as an Item selection only when one or more error messages exist in the log The fault log menu is entered automatically at the end of a test run if any error messages were recorded Enter the fault log by using ITEM to view the fault log entry Error message format Each error message has the form mm NAME_t lt description gt lt data gt where mm Message number in the fault log 1 being the oldest message NAME Name of the test that found the failure t Error number within the test lt description gt Type of failure lt data gt Pertinent data related to the failure 432 Chapter 7 Troubleshooting EN Paper path troubleshooting General paper path checklist Verify the green lever on the fuser is down Check that the post charger cleaner is pushed all the way to the right
104. amount of time If media jam frequently in the fuser area when duplexing 11 by 17 media or A3 sized media the duplexer feed roller might have become slick See the section about paper path tests under Aids to Troubleshooting See table 44 on page 436 for an explanation of paper jam detection details CLEAR INPUT DEVICE JAM Description There is a jam in the 2 000 sheet input tray Review Media requirements in Chapter 1 of this manual Check the control panel settings for media type See the section about paper path tests under Aids to Troubleshooting 390 Chapter 7 Troubleshooting Event log message 13 00 0 lt x gt lt x gt Description 3 Fusing delivery paper delay jam 4 Fusing delivery stationary jam Action WARNING Do not touch the fuser it could be very hot and could cause burns 1 Open the left lower cover remove the jammed media and close the left lower cover 2 On the left side of the fuser check the fuser exit flag and the reflective absorptive sticker that the sensor PS1903 uses 3 Perform the sensor monitor test in the Service Mode Menu Toggle PS1903 and check to make sure that sensor 2 on the printer control panel indicates 1 on when toggled Event log message 13 11 1 lt x gt lt x gt Description 1 Time out at paper entry sensor PS31 B Time out at paper exit sensor PS32 Action 1 Open the VTU and remove any media 2 Verify that the pap
105. and Print Menu 84 85 PS See PostScript PS PSx See sensors Q quantity switch assembly 2 000 sheet input unit 311 Quick Copy Jobs Menu 84 quick copy jobs canceling 84 R radio frequency regulations 46 rain print defect 453 RAM random access memory controller error 384 internal error 383 random access memory RAM See RAM random access memory read only memory ROM See ROM read only memory Ready Indicator light 80 rear assemblies 270 rear cover 243 rear left cover 234 recommended print area 34 recycling consumables 119 toner cartridges 70 reference materials parts list 514 refilling toner cartridges 69 registration area jams 392 color values 94 registration frame assembly illustration and parts list 548 location 517 registration roller assembly 263 517 549 clutch 189 location 136 paper sensor 178 179 183 185 removing 263 registration duplex 107 416 Index 617 regulations Canadian DOC 46 FCC 46 removing parts 217 safety 222 strategy 222 See also individual parts repair locations Customer Support Sales Center 66 repetitive defect ruler 463 defects 462 replacement frequencies 119 replacing See installing removing requirements media 29 power 24 site 27 space around printer 28 ventilation 27 reset cold 94 395 431 switch 187 Resets Menu 92 resetting factory defaults 92 fuser life count 92 VO 92 I O ports 409 transfer life count 92 residual toner 148 150
106. appears on the display O oa Ff W N Press SELECT to perform the developer motor test 422 Chapter 7 Troubleshooting EN Note Note EN Drum motor test This test activates the drum motor M2 imaging drum transfer drum and imaging drum waste paddle simultaneously To view the printer components run the test with the right upper door open the transfer drum and imaging drum removed and the right upper door interlock defeated see figure 214 on page 425 The engine runs this test for a fixed duration and then stops For safety reasons the fuser high voltage supplies and scanner are all turned off during testing 1 From the Service Mode Menu press MENU until DRUM MOTOR appears Press ITEM until REPETITIONS appears Press VALUE to display the possible number of repetitions Press SELECT to choose the number of repetitions Press ITEM until EXECUTE TEST appears on the display O oa A W N Press SELECT to perform the drum motor test Sensor monitor test This test allows service personnel to activate and deactivate sensors in the printer to verify that the sensors are working properly For safety reasons the fuser high voltage supplies and scanner are all turned off during testing 1 From the Service Mode Menu press MENU until SENSOR MONITOR appears Press ITEM until EXECUTE TEST appears on the display Press SELECT to perform the sensor monitor test Determine whether each sensor is working
107. aracterized by blotches of toner on printed transparencies Avoid the print defect by using only thicker transparencies specifically designed for HP Color LaserJet printers Fading See figure 232 on page 451 for an example of this print defect A broken transfer drum guide see figure 260 on page 540 reference 40 causes a distinct fading pattern Print appears normal near one edge the bottom edge of an A4 or letter sized portrait oriented page and fades to completely missing at the opposite edge Remnants of the process marks might appear in the middle of the page This defect is caused by a broken transfer drum guide Replace the transfer drum guide Image defects troubleshooting 455 Toner cartridge manufacturing codes Heat stamped on the toner cartridge opposite the label end of the cartridge is a manufacturing code If a portion of the code does not match the list below replace the toner cartridge Use toner cartridges that contain any of the following manufacturing codes e 9 e 9J e 9K OL any cartridge that begins with the numbers O through 6 in place of the 9 456 Chapter 7 Troubleshooting EN Color balance adjustment CAUTION EN Adjusting the color balance changes the printer s calibration Because this procedure adjusts parameters within the printer hardware it will affect all print jobs The printer automatically recalibrates the color settings However you can adjust the color ma
108. assembly a 542 Tray 2 assembly nnan eee ned w ae ewer ew daw 543 Paper pick up assembly a 544 Registration frame assembly 548 Registration roller assembly 549 Feeder assembly eee eee 550 Tray 1 pick up assembly 551 Tray 1 assembly eee 552 Delivery assembly a an anaana cee eee eee 553 Delivery cover assembly 554 Transfer belt assembly 555 Fuser assembly 00 eee eee 556 PCA assemblies 0 00 cece eee 559 Chapter contents 509 2 000 sheet input unitcomponents 560 Multi bin mailbox components 564 3 000 sheet stapler stacker components 570 Numerical parts list ee ee 574 Alphabetical parts list 0 0 0 0 0 c eee eee 587 510 Chapter 8 Parts and diagrams EN Overview The figures in this chapter illustrate the major assemblies in the printer and their component parts A table materials list follows each exploded assembly diagram Each table lists a reference number to the illustration part number quantity and description for each part Note When looking for a part number pay careful attention to any voltage listed in the description column to ensure that the part number selected is for the correct printer model Ordering parts All standard part numbers are stocked and can
109. at 65 mm transfer roller at 66 mm transfer drum occurs once per 11 by 17 inch or A3 sized page or every other letter or A4 sized page fuser at 150 5 mm imaging drum at 195 mm transfer belt at 222 mm 462 Chapter 7 Troubleshooting EN First occurrence of print defect Color developer roller 38 mm Charging roller 44 mm Black developer roller 52 mm Cleaning roller 56 mm Developer DSD wheels 65 mm Transfer roller 66 mm Transfer drum once per 11 by 17 inch or A3 sized page or every other letter or A4 sized page Fuser 150 5 mm Imaging drum 195 mm Transfer belt 222 mm Figure 234 Repetitive defect ruler EN Repetitive defects troubleshooting 463 Color developer roller Symptoms Print defect occurring every 38 mm Cause Dirty or damaged developer roller Actions Replace the toner cartridge Charging roller Symptoms Print defect occurring every 44 mm Cause Dirty or damaged charging roller Actions Replace the imaging drum Black developer roller Symptoms Print defect occurring every 38 mm Cause Dirty or damaged developer roller Actions Replace the toner cartridge Cleaning roller Symptoms Print defects occurring every 56 mm Cause Dirty or damaged cleaning roller Actions Clean the cleaning roller with a hand wipe If cleaning does not resolve the defect replace the cleaning roller Developer DSD wheels Symptoms Print defect occurring every 65 mm Cause
110. at they are not bent 6 Replace the paper deck drive assembly bushing Replace the paper deck drive assembly Replace the paper tray tray 4 for the 2 000 sheet input unit 384 Chapter 7 Troubleshooting EN Table 41 Numbered printer messages continued 66 11 02 INPUT DEVICE FAILURE CHECK CABLES AND CYCLE POWER Description Indicates a 2 000 sheet input unit feed motor error Event log message 66 11 02 Action 1 Verify that the c link and power cables are connected Turn the printer off and on to reset the printer Verify that there are no objects in the left side of the tray Verify that the paper tray raised sensor P534 is working properly perform a sensor test Check for proper installation of the pick up roller Check the pick up assembly and the paper deck drive assembly cabling Replace the pick up assembly Replace the paper deck drive assembly 66 11 03 INPUT DEVICE FAILURE CHECK CABLES AND CYCLE POWER Description Indicates a 2 000 sheet input unit lifting and feed motor error Event log message 66 11 03 Action 1 10 11 Verify that the c link and power cables are connected Turn the printer off and on to reset the printer Verify that there are no objects in the left side of the tray Verify that the lifting plate moves freely by hand Verify that the paper size plates are installed correctly and that they are not bent Replace the pape
111. ations and parts lists 569 3 000 sheet stapler stacker components Figure 283 3 000 sheet stapler stacker components 1 of 2 570 Chapter 8 Parts and diagrams EN Table 89 3 000 sheet stapler stacker components 1 of 2 Ref Description Part number Qty 1 Front cover C4788 60505 1 2 Foot cover C4788 60525 1 3 Stapler bin for stapler stacker C4788 60528 1 Stacker bin for stacker C4779 60505 1 4 Face up bin C4788 60512 1 5 Back cover C4788 60504 1 6 Stapler door assembly with label for stapler C4788 60507 1 stacker Stacker door assembly for stacker C4779 60502 1 7 Controller PCA cover with label for stapler C4788 60508 1 stacker Controller PCA cover with label for stacker C4779 60503 1 EN Illustrations and parts lists 571 Figure 284 3 000 sheet stapler stacker components 2 of 2 572 Chapter 8 Pa
112. box short C link cable adapter C4785 60531 extension Offset module stacker C4779 60508 284 19 Optical sensors kit C4779 60509 284 Outriggers RG5 4205 000CN 279 95 Paper deck drive assembly RG5 3851 000CN 278 80 Paper deck PCA RG5 3908 000CN 279 96 Paper pick up assembly RG5 3132 000CN 264 Paper pick up assembly RG5 3843 000CN 278 82 Paper quantity sensor PCA assembly RG5 2166 000CN 279 97 Paper size sensor PCA assembly RG5 2168 000CN 279 98 Paper stacker clip C4788 60527 284 PCA 10 100Base T J3113 61003 EN Alphabetical parts list 595 Table 92 Alphabetical parts list continued Description Part number Figure Ref PCA carousel motor M1 RG5 3084 020CN 277 4 PCA cartridge release lever RG5 3961 000CN 254 21 PCA cassette size sensing RG5 1845 000CN 277 1 PCA controller board 8500 models RG5 3037 000CN 277 3 PCA controller board 8550 models RG5 3037 0120CN 277 3 PCA fusing delivery sensor RG5 3992 000CN 254 8 PCA main relay RG5 3036 000CN 277 2 PCA paper pick up RG5 1860 000CN 264 103 PCA photosensor RG5 3079 000CN 267 8 PCA photosensor RG5 3080 000CN 254 2 PCA photosensor RG5 3032 000CN 267 7 PCA subrelay RG5 3085 000CN 277 5 PCA tray 1 RG5 1884 000CN 277 6 PCL PJL Technical Reference Package 5021 0337 Photo interrupter IC TLP1230 WG8 0291 O00CN 264 52 Photo interrupter IC TLP1240 WG8 5210 000CN
113. by viewing the test results for each sensor on the printer control panel A single character in the upper line of the display provides a label for each sensor bit A O off or 1 on is displayed for each sensor bit indicating whether the sensor is activated or deactivated See table 43 for an explanation of the test results Aids to troubleshooting 423 Table 43 Sensor monitor test Designator 0 Sensor name Registration roller paper sensor PS1 1 Pick up unit paper sensor PS17 Separation sensor PS5 Fusing delivery sensor PS1903 Top face down output bin delivery sensor PS1 1 Tray 1 paper sensor PS1301 D oO1 A O N Tray 2 sensor PS1202 Toggles once Trays do not lift during test Tray 3 sensor PS1201 Toggles once Trays do not lift during test Duplex paper sensor P524 Paper sensor in the duplexer in the output position HP Color LaserJet 8550 only Reverse sensor PS26 Paper sensor in the duplexer at the reversing position HP Color LaserJet 8550 only Bit O of temperature humidity sensor Bit 1 of temperature humidity sensor The ambient temperature and humidity sensor data are combined into 2 bits showing 4 states of temperature and humidity 00 Normal normal 01 High high 10 Normal low 11 Low low See figure 57 on page 184 for more information on these sensors Exiting the service mode Exit the service mode by cycling throug
114. ce the fuser kit EN Printer message troubleshooting 373 Table 41 Numbered printer messages continued 50 3 FUSER ERROR CYCLE POWER Description Indicates that a high temperature error has occurred in the fuser This error is saved in the controller board by an electrical charge in capacitor C259 Event log message 50 00 03 Action 3 4 5 Turn the printer off and on to reset the printer Turn the printer off and unplug it Place a flat blade of a screwdriver between the two wires of C259 to short out the capacitor and clear the memory Replace the fuser kit Replace the power supply Replace the controller board 50 4 FUSER ERROR CYCLE POWER Description Indicates that a fuser drive or power unit error has occurred in the fuser 50 00 05 event log message An incompatible fuser is installed 50 6 FUSER ERROR CYCLE POWER Description Indicates that a heater error has occurred in the fuser Event log message 50 00 04 Action 1 Turn the printer off and on to reset the printer 2 Verify the fuser is completely seated inside the printer 3 Replace the fuser kit 4 Replace the power supply 5 Replace the controller board see INCORRECT FUSER LOWER LEFT DOOR in table 42 on page 399 Event log message 50 00 06 Action 1 Turn the printer off and on to reset the printer 2 Verify the fuser is completely seated inside the printer 3 Reconnect connector J222 on the controlle
115. cleaning from fabric 100 color carousel error 377 color level detection 157 fusing process 153 lever unlocked 403 low 410 low and out messages 88 manufacturing codes 456 out 410 product information sheet 57 residual 148 150 152 safety 57 waste 152 waste level 155 toner bubbles print defect 453 Toner Cartridge MSDS 57 EN toner cartridges cover switch 187 installing black 100 installing color 101 location 118 manufacturing codes 456 recycling 70 refilling 69 replace frequency 119 warranty 69 toner gauge 110 toner lock sensor 251 tools required for service 223 top face down output bin delivery sensor 185 190 191 location 41 paper full sensor 185 191 paper path test 96 top assemblies 245 top cover multi bin mailbox 316 top cover assembly 232 top output bin full 411 jams 393 multi bin mailbox full 398 total color pages printed 93 duplex page count 94 page count 93 training 62 transfer belt assembly 517 555 control process 161 illustration 136 installing 120 jams 480 location 118 press clutch 189 repetitive defects 468 replace frequency 119 transfer charger 136 installing 120 transfer drum cleaning 465 cleaning process 150 damaged 389 illustration 136 jams 394 location 118 new 406 not installed 402 repetitive defects 465 replace frequency 119 transfer jams 392 Index 621 transfer kit installing 120 life detection 156 life low 411 life out 411 low and out messages 88 parts list 513 percen
116. d refer to the documentation that came with the card and the vendor support organization for help in troubleshooting 502 Chapter 7 Troubleshooting EN Diagrams This section contains general circuit wiring diagrams 3 J2151 6 J214 1 9 J213 1 13 J212 17 J31 1 1 10 yo05 1 At J227 Ati 20 J210 2 J209 J208 J207 J206 J216 19 1 8 17 1 12 1 10 1 A1 J226 A12 12 1 B12 B1 J217 6 1 8 10 4 1 1 1 J231 J228 J219 i SW201 r 8 i o 7 1 L J225 B9 A ka 1 J220 6 6 SW202 ja ai AQ 1 J221 71 J222 6 1 J223 8 B32 J202 Pa 1 A32 AT Figure 242 Connectors on the controller board EN Diagrams 503 Fan 1 FM1 J702 J704 PAS GND 1 PA BA 1 24VAR i s Aiko QH 33 CCRGLED Toner cartridge X ay B 3 ki cover switch CH EX ga PS1901C pg EN FANION 3 P4 b13 RMPHA c 2 K3 o NG 4 EY sa 4 RMPHA arouse Col mi SW672 wl hd oE motor olor 1 ky PUN Bd P lt 5 RMPHB cartridge SG J1901C eG 6 RMPHB J675 p Fan 2 1 i FM2 J7
117. der assembly RG5 3131 000CN 1 EN Illustrations and parts lists 539 Drum cartridge drive assembly Figure 260 Drum cartridge drive assembly Table 69 Drum cartridge drive assembly parts Ref Description Part number Qty Drum cartridge drive assembly RG5 3065 000CN 1 23 Motor cartridge M3 RH7 1328 000CN 1 36 Developing rotary RG5 3033 000CN 1 40 ITD Guide RB2 010 000CN 1 540 Chapter 8 Parts and diagrams EN Delivery drive assembly Ui Wey Sai Figure 261 Delivery drive assembly Table 70 Delivery drive assembly parts Ref Description Part number Qty Delivery drive assembly RG5 3067 000CN 1 EN Illustrations and parts lists 541 Tray 3 assembly Tray 3 assembly Figure 262 Table 71 Tray 3 assembly parts Ref Qty Part number Description Tray 3 1 RF5 1484 000CN 26 Plate end EN 542 Chapter 8 Parts and diagrams Tray 2 assembly Figure 263 Tray 2 assembly Table 72 Tray 2 assembly Ref Description Part number Qty Tray 2 R98 1005 000CN 1 26 Plate end RF5 1484 000CN 1 EN Illustrations and parts lists 543 Paper pick up assembly Figure 264 Paper pick up assembly 1 of
118. e controller board 5 Check electrical continuity between connector J641 1 24 VB and J642 3 PMP on the main relay PCA when the door switch SW641 is turned on If there is no electrical continuity replace the main relay PCA 6 Check electrical continuity between connector J671 2 PMP and J671 2 PFUPR on the subrelay PCA when the door switch SW671 is turned on If there is no electrical continuity replace the subrelay PCA 7 Measure the voltage across connector J647 B11 24 UH and J647 4 GND on the main relay PCA after the printer is turned on If the voltage is not 24 V replace the main relay PCA 8 5 Replace the controller board 62 lt x gt SERVICE CYCLE POWER Description Indicates that a problem exists with the internal memory lt x gt Description 0 Internal ROM or RAM 1 8 DIMM slots 1 8 Event log message 62 00 0 lt x gt Action 1 Turn the printer off and on to reset the printer 2 Perform DRAM DIMM test from the formatter diagnostics in the Service Menu 3 Ifthe problem persists replace the bad DIMM 63 SERVICE CYCLE POWER Description Indicates that the internal RAM memory test failed Event log message 63 00 00 Action 1 Turn the printer off and on to reset the printer 2 Perform DRAM DIMM test from the formatter diagnostics in the Service Menu 3 Ifthe problem persists replace the bad DIMM EN Printer message troubleshooting 383 Table
119. e voltage changes from 0 V to 17 V or more replace the laser scanner unit Replace the laser scanner unit Replace the controller board EN Printer message troubleshooting 375 Table 41 Numbered printer messages continued 53 lt X gt lt y gt lt zz gt ERROR Event log message 53 lt x gt lt y gt lt zz gt DIMM SLOT lt n gt Description Action Indicates that a memory error occurred during the 1 Naka Verify that the DIMM board is installed configuration and validation of DIMM memory correctly and the DIMMs are configured correctly DRAM DIMMs must be installed in lt x gt Hardware type synchronous pairs in adjacent slots with the 0 ROM same size and speed in both slots Only 1 RAM SDRAM is supported 2 Font DIMM Turn the printer off and on to reset the printer lt y gt Hardware device 3 Remove and replace the DIMM that caused 0 Onboard ROM RAM the error E SA phd For more information about installing DIMMs see 3 DIMM slot 3 pages 4 DIMM slot 4 5 DIMM slot 5 6 DIMM slot 6 7 DIMM slot 7 8 DIMM slot 8 lt Zz gt Error 00 Unsupported memory 01 Unrecognized memory 02 Unsupported memory size 03 Failed RAM test 04 Exceeded maximum RAM size 05 Exceeded maximum ROM size 06 Invalid DIMM speed check DRAM 07 DIMM is reporting incorrect checksums 10 DIMM address 11 PDC XROM out of bounds 12 Could not make temporary mapping 13
120. e allows you to adjust the printer s two half tone screens for each of the four colors black cyan magenta and yellow for a total of eight adjustments Make these adjustments after examining the color adjust page The color adjust page consists of two sections the Detail Half tone Adjust section and the Smooth Half tone Adjust section Each section shows the adjustment ramps for black cyan magenta and yellow and a neutral axis check ramp which can be used to verify the adjustment after the correction values have been entered for each of the primary colors Figure 233 is an example of the color adjust page Note the numbers beside the red arrows for later reference The color adjust page indicates the last set of saved color settings with a red arrow next to the saved setting The default for each color is 0 other possible settings consist of 6 through 6 Determine the color adjustment numbers for each color in the color ramps a Examine the color adjust page from a distance of 6 ft approx imately 2 m b Find the circle of each color that most closely matches the background color It might be necessary to squint slightly to match the colors c Record the number in the circle Color balance adjustment 459 4 Enter the color adjustment numbers in the printer control panel a Press Go and VALUE at the same time idk Am 7ST iii appears on the display b Press TEM until the option you want appears on the displa
121. e if they are working properly see page 475 2 000 sheet input unit troubleshooting 469 Status LED descriptions The status light on the front of the unit provides status information Table 46 Status LED on the 2 000 sheet input unit State Description Resolution Solid green The unit is on and ready None required Solid amber The unit is experiencing a Isolate the problem using one hardware malfunction of the other procedures described in this section Flashing The unit has a media jam ora Clear the jam or remove the amber page needs to be removed page from the 2 000 sheet input unit even if the page is not jammed The VTU might be open Close the door Off The printer might be in Power Press Go Save mode The unit is not receiving Check the power supply and power the power cables 470 Chapter 7 Troubleshooting EN Service LED descriptions Figure 236 Rear view of 2 000 sheet input unit 1 Service LEDs 2 DIP switches 3 Power supply Note Be sure to turn the power supply off and set all DIP switches to the off position when you finish the test or the unit will not work The DIP switch is ON if it is to the right The DIP switch is OFF if it is to the left Note To go from one test to another or to change the DIP switch settings turn the power supply on the 2 000 sheet input unit to operational mode Reset the DIP switches on the controller PCA and then switch the power supply back to
122. e image defect diminishes with use or time Note Do not replace the new imaging drum with another new imaging drum Doing so can cause the image defect to appear worse Instead wait 24 hours or print 100 sheets of a medium coverage print job Waves See figure 229 on page 448 for an example of this print defect Waves are characterized by color printing that appears choppy in transition from high coverage to low coverage areas of the printed page Waves can appear late in the lite of a color toner cartridge especially when the cartridge has seen prolonged use at very low coverage there might still be toner in the cartridge but it might be worn out Solve the print defect by replacing the color toner cartridge For example if waves appear in magenta or colors that use magenta reds and blues replace the magenta cartridge Missing toner See figure 230 on page 449 for an example of this print defect The missing toner print defect is characterized by small speckles caused by missing toner that appear usually in lighter colors within two or three centimeters approximately one inch of the leading or trailing edge To avoid the print defect use better quality or heavier media Also try using darker colors and avoiding light colors in these areas 454 Chapter 7 Troubleshooting EN EN Hot offset See figure 231 on page 450 for an example of this print defect The hot offset print defect is ch
123. e out 397 imaging not installed 401 imaging problems 467 life 124 new transfer 406 transfer damaged 389 transfer jams 394 transfer not installed 402 transfer problems 465 drum kit low and out messages 88 parts list 513 replace frequency 119 drum motor 171 description and illustration 173 test 96 Drum MSDS 57 drum cartridge drive assembly illustration 518 illustration and parts list 540 removing 294 EN drums cleaning transfer 465 illustration 136 installing imaging 124 installing transfer 120 location 118 replace frequency 119 dual inline memory modules DIMMs See DIMMs dual inline memory modules duplex printing configuring 86 process 199 total page count 94 duplex registration 107 416 Duplex Registration Menu 91 duplexer accessories 22 512 adjusting registration 107 booklet printing 109 deflector 136 error 397 jams 389 392 location 44 media specifications 35 printer model included with 22 dynamic random access memory DRAM See DRAM dynamic random access memory E ECCC European Customer Care Center Assist Line 67 ECO board 279 EIO enhanced input output accessories parts list 512 buffer overflow 370 connection broken 371 features 23 initializing 397 not functional 398 printing page 83 slot locations 43 EIO hard disk parts list 512 ElO page using to verify installation 105 eject rollers multi bin mailbox 210 ejector motor multi bin mailbox 209 electrical schematics 503 spec
124. e topics 21 minimum media sizes 31 misfed paper 395 missing toner print defect 454 model numbers 38 models of printer different features 22 modes CASSETTE 103 FIRST 103 OHT 179 Power Save 88 165 405 service 93 tray 1 85 103 modes multi bin mailbox bidirectional 206 job separator 205 self test 479 unidirectional 206 virtual stacker 205 Monarch sized media See media EN motors carousel 171 172 283 cartridge 171 174 280 developer 96 drum 96 171 173 error 383 fan 171 177 laser scanner lock detection 170 main 171 175 names and locations 171 not turning 375 pick up 171 176 motors 2 000 sheet input unit main 200 names and locations 200 test 474 motors multi bin mailbox delivery head 209 210 delivery head position 321 delivery head roller 209 ejector 209 flipper roller with encoder 209 names and locations 208 transport belt 209 210 322 MSDS Material Safety Data Sheet 57 64 multi bin mailbox accessories 22 512 anti curl strings 329 attachment assembly 337 back cover 315 blind cover 318 capacities 33 clearing jams 392 communication 207 communication error 384 components 314 564 controller board 209 210 controller PCA 327 delivery head assembly 331 delivery head position motor 321 description 205 diagnostic LED PCA 335 diagnostic tests 477 error 386 flipper assembly 319 front cover 315 full 403 input paper guide 323 interlock switch 334 location 44 messages 479 metallic tape and housi
125. ed Part number XA9 0836 000CN Description Screw TP M3 x 6 quantity 10 XA9 0926 000CN Screw TP M4 x 8 quantity 10 XA9 0940 000CN Screw w washer M4 x 12 quantity 4 XA9 0951 000CN Screw w washer M3 x 8 quantity 10 Illustrations and parts lists The following illustrations and their assorted parts tables list the field replaceable units FRUs for this printer At the end of this chapter are two cross reference tables of all of the parts listed in this chapter table 91 on page 574 lists the parts in numerical order by part number and table 92 on page 587 lists the parts in alphabetical order Both tables are cross referenced to the appropriate figure and reference number in this chapter Compatible parts The table below lists parts that have changed from HP Color LaserJet 8500 printers to HP Color LaserJet 8550 printers These parts are forward and backward compatible Formatters however are not interchangeable between models of printers Part HP CLJ 8500 part HP CLJ 8550 part PCA controller board 7 RG5 3037 000CN RG5 3037 120CN Developer imaging drum RG5 3026 000CN RG5 3026 030CN bias supply High voltage power RG5 3943 000CN RG5 3943 000CN supply Density sensor RG5 3057 000CN RG5 3057 000CN assembly PCA carousel motor RG5 3084 000CN RG5 3084 020CN M1 516 Chapter 8 Parts and diagrams EN Major assembly locations Black cartr
126. ed functions 91 PCL font information 89 PCL symbol sets 90 Power Save mode 88 printer personalities 88 wide A4 90 EN conformity declarations of 47 connecting cables 74 printer to network 76 consumables installing 98 location 118 low and out messages 88 ordering 62 511 parts list 512 recycling 119 replace frequency 119 storage specifications 26 user replaceable 224 contents of box 73 continuous configuration pages printing 83 continuous test message 395 control panel display language 97 illustration and description 80 LEDs 80 location 41 menu maps 82 messages 368 removing 246 control panel messages 3 000 sheet stapler stacker and 3 000 sheet stacker 491 control panel overlay changing 79 parts list 514 controller electronic error 386 RAM error 384 controller boards 2 000 sheet input unit 307 EPH external paper handling 199 207 multi bin mailbox 209 210 327 printer 277 copies configuring 89 copy module printer model included with 22 corona wire See transfer charger counts total color pages printed 93 total pages duplexed 94 total pages printed 93 Courier default settings 90 covers front 228 front right 229 left lower 237 left rear 234 left upper 236 location 225 parts list 519 525 EN rear 243 right lower assembly 242 right rear 241 right upper assembly 238 right upper subassembly 240 top 232 covers 2 000 sheet input unit back 300 front 299 left 301 parts list 560 right
127. ee the system administrator for access to the printer hard disk Event log message None Action Turn the printer off and on to reset the printer 2 Reconnect connector J209 and relay connectors J47 and J48 on the controller board 3 Replace the drum kit EN Table 42 Unnumbered printer messages continued DRUM LIFE LOW Event log message None ORDER DRUM KIT or DRUM LIFE LOW lt 20 REMAINING Description Action The imaging drum is almost past its specified life Printing can continue until DRUM LIFE OUT Printing can continue however print quality might message appears be degraded DRUM LIFE OUT Event log message None REPLACE DRUM KIT Description Action The imaging drum is past its specified life or the waste toner cartridge in the imaging drum is full Printing cannot continue until the drum kit has been Remove the drum cartridge from the printer replaced and clean the waste toner sensor window with a dry cloth Replace the drum kit N 3 Reconnect connector J221 on the controller board and connectors J631 to J633 and relay connector J71 on the waste toner sensor 4 Reconnect connector J209 and relay connectors J47 and J48 on the controller board 5 Replace the drum cartridge 6 Replace the waste toner sensor DUPLEX ERROR Event log message 54 00 03 CHECK DUPLEXER Description Action The printer has detected an error in the duplexer 1 Open the left lower cover press the gre
128. eet stapler stacker and 3 000 sheet stacker 342 343 flipper ribbon cable 3 000 sheet stapler stacker and 3 000 sheet stacker 359 flip up media stop 41 FMx See fan 1 fan 2 fan 3 fans fonts configuring PCL number 89 configuring PCL pitch 89 configuring PCL point size 89 configuring PCL source 89 Courier settings 90 deleted 405 deleted downloaded 409 Postscript PS 23 printing list 408 standard 23 support 64 TrueType 23 form length configuring 89 EN formatter assemblies 43 formatter board 254 diagnostics 94 location 42 43 parts list 515 serial number 93 video test VX ASIC 95 formatter pan 272 frequency for replacing consumables 119 front assemblies 251 front cover 2 000 sheet input unit 299 multi bin mailbox 314 315 removing 228 switch 187 front door 41 front LED PCA assembly 2 000 sheet input unit 308 front right cover 229 FRUs field replaceable units See field replaceable units FRUs full hard disk 396 left face up output bin 480 fuser abnormality detection circuit 166 assembly 518 556 control process 166 error 373 incompatible 399 installing 127 jams 390 life low 398 location 118 new 406 not installed 400 repetitive defects 467 temperatures 166 fuser kit installing 127 life detection 156 low and out messages 88 parts list 513 percentage life remaining 94 replace frequency 119 resetting life count 92 fusing and delivery process 191 delivery sensor 178 185 190 191 heater safety c
129. en tab on the right side of the duplexer and pull the duplexer out of the printer Check for and remove any jammed media from the duplexer Reinstall the duplexer 2 Turn the printer off and on to reset the printer 3 Replace the duplexer EIO lt n gt Event log message 40 00 01 INITIALIZING Description Action An EIO accessory is initializing No action is required lt n gt EIO slot number 1 Bottom EIO slot 2 Top EIO slot EN Printer message troubleshooting 397 Table 42 Unnumbered printer messages continued EIO lt n gt NOT FUNCTIONAL Description Indicates an EIO card error but printing can continue The configuration page will indicate that EIO lt n gt is not supported lt n gt EIO slot number 1 Bottom EIO slot 2 Top EIO slot ENGINE TEST Description The printer is running an internal test to verify operation When the printer is finished the printer returns to the ready state but remains offline Event log message 8 lt n gt lt xxx gt lt XXX gt Failure code Action 1 Turn the printer off and on to reset the printer 2 Replace the offending EIO accessory Event log message None Action Press Go to bring the printer online FACE UP OUTPUT BIN FULL Description The top output bin on the multi bin mailbox is full FUSER LIFE LOW REPLACE KIT Description The fuser and paper rollers are almost past their specified life The fuser kit has a
130. eparation discharge high voltage converter assemblies 295 PCA 295 removing 295 separation pad 136 EN separation rollers 2 000 sheet input unit 204 printer 136 separation sensor 185 serial number formatter board 93 printer 38 93 service agreements 66 service LEDs 2 000 sheet input unit 471 Service Materials Organization SMO ordering information 61 service mode 3 000 sheet stapler stacker and 3 000 sheet stacker 487 Service Mode Menu 93 service notes HP FIRST 64 ordering 62 service tool requirements 223 setting color registration values 94 color values 92 settings factory 409 NVRAM 93 shutter loose 377 simplified page 404 site requirements 27 sizes cold reset paper 94 configuring default paper 89 configuring media 104 configuring PCL font point 89 configuring tray 1 86 media in duplexer 35 media in input trays 31 overriding media 87 printer 25 sliders problem 480 SLx See solenoids SME Support Materials Europe ordering from 61 SMO Service Materials Organization ordering from 61 smooth color value 92 software matrix 64 ordering 62 support from HP FIRST 64 solenoids assembly 518 carousel stop 163 carousel stopper 189 cleaning roller 162 cleaning roller press 189 face up 258 left face up output bin 189 191 Index 619 lifting plate 183 189 tray 1 and tray 2 pick up 189 tray pick up 181 space requirements 28 specifications acoustic emissions 25 altitude 24 consumable storage 26 electrica
131. er drum To prevent scratches on the drum do not use any paper products such as tissue or paper towels to clean the drum Repetitive defects troubleshooting 465 Turn the printer off and open the front door Press the button and swing the lower lever to the right Open the right upper door and remove the transfer drum bo O N a Using the print sample as a reference inspect the transfer drum for a spot or speck that might be causing the repetitive defects Figure 235 Cleaning the transfer drum CAUTION Do not clean the transfer drum using force Do not use any water based cleaners or alcohol These actions can permanently damage the transfer drum 5 Gently rub the spot or speck with a hand wipe Note Do not use isopropyl alcohol to clean the transfer drum 6 Reinstall the transfer drum 7 Swing the lower lever to the left making sure it clicks into place 8 Close the right upper and front doors and turn the printer on 9 Reprint the print job If cleaning does not eliminate the repetitive defect replace the transfer drum 466 Chapter 7 Troubleshooting EN CAUTION EN Fuser Symptoms Print defects occurring at about 150 5 mm The defects will be most visible on overhead transparencies Cause Defect on the upper fuser roller Actions 1 Power the printer off allow 30 minutes for the fuser to cool and remove the fuser Turn the fuser gears and inspect the surface of the upper fusing roller If t
132. er entry sensor PS31 moves freely 3 Verify that the feed separation and pickup rollers are properly seated 4 Ifthe problem persists open the VTU and override the VTU closed sensor PS35 Perform a paper path test feeding from the 2 000 sheet input unit and verify that the feed rollers are advancing the paper If rollers do not rotate verify the connections at the pickup assembly and the controller PCA in the 2 000 sheet input unit 5 Ifthe rollers rotate and drop down but do not advance the paper replace the feed and separation rollers using the maintenance kit 6 If the rollers do not rotate or do not drop down replace the pickup assembly 7 Ifthe problem persists replace the VTU which includes PS31 EN Table 42 Unnumbered printer messages continued CLEAR INPUT Event log message 13 11 2 lt x gt DEVICE JAM continued lt x gt Description 1 Page stays too long at paper entry sensor PS31 B Page stays too long at paper exit sensor PS32 Action 1 2 Open the VTU and remove any media Verify that the paper entry sensor PS31 moves freely Verify that the feed separation and pickup rollers are properly seated If the problem persists open the VTU and override the VTU closed sensor PS35 Perform a paper path test feeding from the 2 000 sheet input unit and verify that the feed rollers are advancing the paper If rollers do not rotate verify the connections at the pickup
133. er from feeding completely It is possible to select the input and output trays for the test by indicating in the Paper Path Menu which input tray and output bins should be accessed by selecting ON or OFF Multiple input trays can be selected but only a single output can be selected A page is fed from each input tray to the selected output If a jam occurs during the test the test should continue with the next input tray in the list Jam detection is OFF in this mode and an unattended test might result in damage to the printer 420 Chapter 7 Troubleshooting EN Note Notes EN The pick up rollers feed rollers registration roller transfer belt press clutch CL4 cleaning roller press cam and solenoid SL1 fuser transfer belt and output feed roller can be exercised during the paper path test For safety reasons the fuser high voltage supplies and scanner are all turned off during testing 1 From the Service Mode Menu press MENU until PAPER PATH appears Press ITEM until REPETITIONS appears Press VALUE to display the number of repetitions 1 to 10 Press SELECT to choose the number of repetitions Press ITEM until the desired input source appears Press VALUE until ON or OFF appears on the display N a OF FP o ND Press SELECT You can select more than one input source for the test Press ITEM until OUTPUT appears on the display Press VALUE until TOP OUTPUT BIN or LEFT OUTPUT BIN ap
134. error For example the multi bin mailbox is not installed and it was selected as the output destination or there are transparencies in the duplexer Event log message 56 00 02 Action Open the printer and remove media from the paper path 2 Verify that the media type is set in the printer control panel 3 Turn the printer off and on to reset the printer EN Printer message troubleshooting 379 Table 41 Numbered printer messages continued 57 1 FAN FAILURE Description One of the cooling fans failed or is obstructed 1 Fan1 FM 1 Event log message 57 00 01 Action Caution Turn the printer off and do not operate the printer in this condition or it can be seriously damaged 1 2 Turn the printer off and on to reset it Reconnect connectors J702 and J706 on the carousel motor PCA and connector J220 on the controller board Reconnect connector J701 on the carousel motor PCA connectors J648 and J641 on the main relay PCA and connector J102 on the DC power supply Measure the voltage across J702 3 FAN1ON and J701 2 GND on the carousel motor PCA after the printer is turned on If the voltage changes from 0 V to 24 V replace fan 1 Measure the voltage across connector J701 1 24 VB and J701 2 GND on the carousel motor PCA after the printer is turned on If the voltage is about 24 V replace the carousel motor Measure the voltage across connector J64 1 1 24 VB and J641 4 GN
135. es 2 000 sheet input unit coaxial cables 77 cold reset CR message 395 paper size 94 Color Adjust Menu 92 color adjust page 458 color cartridge sensor 251 color page count 93 color toner carousel 136 color toner cartridges illustration 136 installing 101 lever sensor 158 location 118 replace frequency 119 sensor 157 185 toner level detection 157 604 Index color toner lever sensor 185 colored media using 36 See also media color plane registration print defect 452 colors adjustment 457 458 density calibration 160 matching 440 pages printed 93 pigments 36 138 139 print speeds 23 process 139 registration values 94 selection process 440 theory 138 values 92 Com 10 sized media See media commands carriage return 90 line feed 90 Commercial 10 sized media See media communications link See C link cable configuration 3 000 sheet stacker 211 3 000 sheet stapler stacker 211 Configuration Menu 88 configuration page printing 83 407 printing continuous 83 understanding 415 using to verify installation 105 configurations printer 39 configuring Append CR to LF 90 binding 86 clearable warnings 88 color values 92 control panel 82 default orientation 89 default paper size 89 duplex printing 86 form length 89 I O timeout 91 input trays 85 103 low and out messages 88 manual feed 87 media sizes 104 media types 103 104 number of copies 89 paper destination 86 parallel advanc
136. eshooting EN EN Cold reset The following are effects of performing a cold reset While a cold reset is being performed all control panel keys are ignored A cold reset changes all user accessible printer variables stored in NVRAM to their factory defaults except for the following items e page counts e fuser life count e transfer life count e multi bin mailbox mode e display language Color adjust values revert to the factory defaults User accessible ElO values are reset to the factory defaults by a cold reset None of the service mode variables such as the following are affected by a cold reset e serial numbers e model name e model number e registration values e cold reset paper size The event log is not cleared Performing a cold reset 1 Print a configuration page see page 415 to record the previous printer settings Turn the printer off Hold down Go while turning the printer on Release Go after COLD RESET appears on the printer control panel display COLD RESET in English appears on the display for one second to verify that the key sequence has been recognized followed by the power on self test message Once the power on self test is finished the message RESTORING FACTORY SETTINGS displays in English Aids to troubleshooting 431 Fault log The fault log is implemented within the formatter diagnostics to record error messages This log provides service personnel with an account of
137. ext event deactivation of the FLEntry sensor If the FLEntry sensor is not deactivated the device declares a jam 05 If the FLEntry sensor is deactivated a timeout of 1 5 seconds begins for activation of the FLExit sensor FLExit sensor If the FLExit sensor is not activated within the timeout the device declares a jam OA FLExit sensor deactivation depends on the internal paper path speed and the media length The device declares a jam when internal step counter exceeds 133 of number of steps that represent the media length If the FLExit sensor is not deactivated which can occur when sheet stops in the paper path because of an obstruction or slipping the device declares a jam OB When the FLExit sensor is deactivated correctly a timeout of 1 5 seconds begins for activation of the registration wheel s sensor GWSens sensor Exit sensor If the GWSens sensor in the stapler stacker or the Exit sensor on the stacker is not activated within the timeout the device declares a jam 12 486 Chapter 7 Troubleshooting EN Note Note EN Standalone diagnostic tool The standalone diagnostic routines differ between the 3 000 sheet stapler stacker and the 3 000 sheet stacker The standalone diagnostic tool tests the device s motors and functionality without the C link commands from the printer The device has a user LED and a set of service LEDs e User LED the single LED located at the top of the front cover provide
138. f N A Printer in powersave mode or device not receiving power Green Solid Device is on and ready Green Blinking Device is in service mode Amber Solid Device has a hardware malfunction Amber Blinking Device is not correctly attached to printer one or more bins are full or device has a paper jam or a staple jam 490 Chapter 7 Troubleshooting EN Printer messages Control panel messages and errors Be sure to read the exact text of the control panel message including the error message number and the text in order to locate the error message in the tables The printer has enhanced information in the control panel Printer messages shown on the control panel display provide five categories of information Each message category is assigned a priority If more than one condition occurs at the same time the highest priority message is shown When it has been cleared the next priority message will be shown and so on The messages and their priorities are e Printer status e Warning messages e Error messages e Critical error messages e External paper handling device messages Control panel and event log message format The format of control panel messages is e 13 xy paper jam in input output device Input output device condition xy zz 66 xy zz input output device failure The format of event log messages Is 13 xy zz input output device paper jam e 65 xy zz input output device condition
139. for many image formation and print quality defects e rough paper heavy paper heavier than 58 Ib or 216 g m bond e transparencies thicker or thinner than the specified thickness of 5 mil e paper that has absorbed moisture from the atmosphere e room environment humidity too high or low 3 Print a configuration page The configuration page tests the ability to print each primary and process color For information about printing a configuration page see page 415 In addition to items listed above the configuration page does the following e shows that all colors print e checks that the room humidity is within specifications e shows varying levels of color e shows that the formatter board is working properly 4 Print a demonstration page to check the following e image quality e half tones e process colors 438 Chapter 7 Troubleshooting EN EN Understanding color variations The printed output might not match the computer screen and the colors printed on successive pages might not match While color variations are inherent in this printing method they also might indicate changes in the printing environment print media or printer components Common causes of color variation The following list outlines the major causes of color variations between computers applications and output devices e Half tone patterns produced on monitors and the types of patterns used in the print jobs are different and might cause ap
140. g cannot continue 54 00 05 event log message Sensor abnormality 54 00 06 event log message Out of range cyan 54 00 07 event log message Out of range magenta 54 00 08 event log message Out of range yellow 54 00 09 event log message Out of range black 55 PRINTER ERROR CYCLE POWER Description Indicates a printer command error The commands cannot be exchanged between the printer and its controller Event log message 54 00 04 Action 1 Replace the waste toner sensor assembly 2 Replace the imaging drum See CLEAN DENSITY SENSOR CYCLE POWER in table 42 on page 389 See CLEAN DENSITY SENSOR CYCLE POWER in table 42 on page 389 See CLEAN DENSITY SENSOR CYCLE POWER in table 42 on page 389 See CLEAN DENSITY SENSOR CYCLE POWER in table 42 on page 389 See CLEAN DENSITY SENSOR CYCLE POWER in table 42 on page 389 Event log message 55 00 01 Action 1 Turn the printer off and on to reset the printer 2 Verify the controller board is fully seated 56 1 ERROR CYCLE POWER Description Indicates an input feed error such as requesting to feed transparencies through the duplexer or that the input tray is not installed Event log message 56 01 01 Action 1 If the input tray you are trying to print from is not installed install the input tray 2 Turn the printer off and on to reset the printer 56 2 ERROR CYCLE POWER Description Indicates an illegal output
141. g message None Action 1 Load the media type and size specified on the printer control panel display 2 Replace the upper lower cassette lifter remaining paper sensor lever if it is damaged or deformed Also if the lifter is out of position set it in its correct position 3 Reconnect connector J1201 on the pick up PCA and connector J210 on the controller board 4 Replace the tray 2 and tray 3 remaining paper sensors 1 and 2 5 Replace the pick up PCA 6 Replace the controller board Event log message None Action No action is required Event log message None Action Load the media type and size specified on the printer control panel display and configure the media type in the printer control panel After the requested input tray is loaded the printer automatically goes online Pressing Go causes the printer to attempt to print the page on the default type and size media If the condition persists check the input tray type and size configuration in the control panel Printer message troubleshooting 413 Table 42 Unnumbered printer messages continued TRAY lt x gt NOT FUNCTIONAL Description The installed tray is not supported by the printer lt X gt Input tray number 2 3 or 4 TRAY lt x gt OPEN Description An input tray is open lt X gt Input tray number 2 3 or 4 TRAY lt x gt TYPE lt type gt Description This message is shown when media is placed in an input
142. gh gloss mode letter sized media landscape 4 2 seconds normal mode 11 by 17 inch sized media 17 0 seconds overhead transparency mode 1 1 by 17 inch sized media 12 7 seconds high gloss mode 11 by 17 inch sized media Fusing unit paper coil jam The fusing delivery sensor PS1903 does not detect the media for the specified time or longer within 0 2 to 1 2 seconds after PS1903 detects the leading edge of the media within approximately 0 8 seconds normal mode 3 2 seconds overhead transparency mode 2 4 seconds high gloss mode 436 Chapter 7 Troubleshooting EN Table 44 Media jam detection continued Location of jam Detected when Top face down output bin delivery delay The media has not reached the top face down output bin media Jam delivery sensor PS1 1 within the specified time after the fusing delivery sensor PS1903 detects the media about 4 0 seconds normal mode about 16 0 seconds overhead transparency mode about 12 0 seconds high gloss mode Top face down tray delivery stationary jam The media has not passed through the top face down output bin delivery sensor PS1 1 after PS11 detects the media within approximately 2 4 seconds normal mode letter sized media landscape 9 6 seconds overhead transparency mode letter sized media landscape 7 2 seconds high gloss mode letter sized media landscape 4 2 seconds normal mode
143. h the menu until EXIT SERVICE MODE is reached and press SELECT It is not necessary to turn the printer off and on again unless you have accessed the formatter diagnostics 424 Chapter 7 Troubleshooting EN Disabling interlocks a A Figure 214 Right upper cover detection interlock P Figure 215 Drum cartridge detection interlock EN Aids to troubleshooting 425 Figure 216 Black toner cartridge detection interlock Figure 217 Toner carousel door detection interlock 426 Chapter 7 Troubleshooting Front cover I N Sa Sm Left lower door detection interlock gh Front cover detection interlock Front cover detection interlock cA Figure 218 Front cover delivery cover detection interlocks EN Aids to troubleshooting 427 Laser shutters aY E B Laser shutters Figure 219 Z LU 428 Chapter 7 Troubleshooting Figure 220 Left upper cover detection Figure 221 Right lower cover detection EN Aids to troubleshooting 429 Service mode formatter diagnostics 1 From the Service Mode Menu press MENU until FORMATTER DIAGNOSTICS appears 2 Press SELECT WARNING MEMORY LOSS appears on the printer control panel briefly Then EXECUTE TESTS appears 3 Press ITEM until one of the following tests appears on the printer control panel e ROM CRC The read only memory cyclic redundancy check reads the values stored in the firmware ROMs computes c
144. he imaging drum has been damaged it must be replaced Eliminate rain by first checking manufacturer codes on toner cartridges see Toner cartridge manufacturing codes on page 456 and replacing cartridges as needed Then check the imaging drum for pitting or contamination and replace the drum as needed Toner bubbles See figure 227 on page 446 for an example of this print defect Toner bubbles are characterized by large blotches of color toner on printed pages caused by color toner leaking from cartridges directly onto the transfer drum Solve the problem of toner bubbles by checking the manufacturing codes on the toner cartridges see Toner cartridge manufacturing codes on page 456 and replacing cartridges as needed Image defects troubleshooting 453 Charge roller set See figure 228 on page 447 for an example of this print defect Charge roller set print defect usually only noticeable in lighter halftone colors is characterized by banding lines at intervals of 44 mm approximately 1 75 inches The print defect usually appears immediately after installing a new imaging drum or if the printer has been in storage without power applied for a prolonged period of time The conductive rubber charge roller inside the imaging drum cartridge can flatten on one side when the drum sits idle A charge roller typically returns to a cylindrical shape within 24 hours after installation or after printing approximately 100 pages so th
145. he roller has surface defects replace the fuser assembly Imaging drum Symptoms Print defects occurring every 195 mm Causes e Damage such as scratches or dents on the imaging drum These usually appear as dark or light marks on the page e Paper dust adhering to the imaging drum These usually appear as white marks in the dark printed areas of the page e Exposure of portions of the imaging drum to light This causes dark sections in the printed output The life of the imaging drum is shortened by exposure to strong light Actions e Print at least four configuration pages to determine if the defect repeats in the same vertical orientation Inspect the imaging drum for scratches dents or other damage Replace if needed e Ifthe problem is dust remove the dust with 70 isopropyl alcohol applied with a hand wipe Try this only if the print defect is unacceptable and the only other alternative is replacing the imaging drum e Defects caused by exposure to light might clear up over time If severe replace the imaging drum Do not expose the imaging drum to direct sunlight and be careful not to scratch or get fingerprints on the drum surface during cleaning Repetitive defects troubleshooting 467 Transfer belt Symptoms Print defects occurring every 222 mm Cause Defects on the transfer belt surface Actions Remove the transfer belt and inspect the entire belt surface Use the transfer belt gears to rotate the bel
146. hecksum variables based on the read information and compares the computed checksums with those stored in the ROM e DRAM DIMMS Installed DIMMs are tested to ensure that they are supported by the formatter board and are functioning properly The time that this test takes to run varies depending on the amount of memory installed DRAM DIMMs are tested using a pattern test an address test and a walking ones test e IDE ASIC This test is performed on the IDE ASIC of the formatter board to ensure read and write integrity Values are written to the ASIC registers and then read for verification e DISK The disk drive test does the following a instructs the disk drive if installed to perform its internal self test similar to a power on test b enters into sleep mode and wakes up again c seeks and reads sequential sectors forward for 30 seconds d seeks and reads sequential sectors backward for 30 seconds e seeks and reads random sectors for 30 seconds f performs read and write tests e VX ASIC This test is performed on the VX ASIC of the formatter board to ensure read and write integrity Values are written to the ASIC registers and then read for verification 4 Press VALUE until ON or OFF appears on the display Press SELECT Press ITEM until EXECUTE TEST appears on the printer control panel display 7 Press SELECT Note Turn the printer off and on to exit the formatter diagnostics 430 Chapter 7 Troubl
147. idge cam assembly Black cartridge guide assembly Delivery drive assembly Left cover feeder assembly Paper pick up assembly Transfer belt assembly Registration roller assembly Registration frame 7 assembly Tray 1 assembly Figure 247 Major assembly locations 1 of 2 EN Illustrations and parts lists 517 Drum cartridge NN drive assembly Mo Delivery frame assembly Fuser assembly Tray 2 Tray 3 Color toner cartridge Black toner cartridge Imaging drum Figure 248 Major assembly locations 2 of 2 518 Chapter 8 Parts and diagrams EN Printer covers and doors Figure 249 Printer covers and doors 1 of 4 Filler panel for tray 2 HP Color LaserJet 8550 base model only Table 58 Printer covers and doors 1 of 4 Filler panel for tray 2 Ref Description Part number Qty 1 Filler panel for tray 2 RB2 0207 000CN 1 2 Filler panel bracket for tray 2 RB2 0208 000CN 1 3 Screw filler panel bracket M4X8 XA9 0926 000CN 1 EN Illustrations and parts lists 519 a AIN hh ea WS a CA Ue NG 100 127V Printer covers and doors 2 of 4 Figure 250 EN 520 Chapter 8 Parts and diagrams Table 59 Printer doors and covers 2 of 4 Ref Description Part number Qty 3 Cover assembly front RG0 0112 000CN 1 3B Lever shutter RA0 0008 000CN 1 3D
148. ifications 24 systems 164 electrostatic discharge ESD 222 electrostatic latent image 143 144 embossed media 37 emissions acoustic 25 ozone 58 EN empty tray 413 engine settings 94 test 398 enhanced input output EIO See EIO enhanced input output envelopes cautions for printing 35 sealed 434 See also media environmental automatic change control 159 operating requirements 27 specifications 24 EP process See image formation EPH external paper handling controller board 199 207 error log 469 errors 2 000 sheet input unit 384 385 breaks and pauses 95 carousel 377 controller 386 cycle power 382 density sensor 378 DIMM 376 firmware 373 flipper 480 fuser 373 illegal output 379 input feed 379 internal 383 laser 375 laser scanner 371 messages 368 motor 383 multi bin mailbox 384 386 NVRAM 387 481 PostScript printing 88 power on self test 387 RAM 383 384 scan buffer 384 ESD electrostatic discharge 222 Ethernet accessories 512 network connection 76 European Customer Care Center ECCC Assist Line 67 event log 407 clearing 94 description 419 printing 83 exchanging parts 63 Executive sized media See media expanding memory 22 Index 607 expired fuser and paper rollers 398 imaging drum 397 external paper handling EPH controller board 199 207 F face down bins multi bin mailbox 210 face down output assembly 249 face down output bin See top face down output bin face down tray delivery
149. igures 225 through 232 show examples of image defects Resolutions for these defects follow the illustrations 442 Chapter 7 Troubleshooting EN M Leading edge 4 Red LG cS co S OG Ga ea 2 2 a 5 G Patients Add records V00 2 000 1 000 HI Figure 224 Color plane registration See page 452 for a resolution to this print defect EN Image defects troubleshooting 443 yeas Jadojanog Hy t defect is prin to th lon O op ab SL Developer streak See page 453 for a 225 igure F 444 Chapter 7 Troubleshooting W bp buippa yp o D o D D o O 0 Figure 226 Rain See page 453 for a resolution to this print defect Image defects troubleshooting 445 M Leading edge AN TI Toner bubbles See page 453 for a resolution to this print defect 446 Chapter 7 Troubleshooting EN t defect is prin Image defects troubleshooting 447 to th lon 2 O op ta Charge roller set See page 454 fora abpa buipea wy M Leading edge AN AN dh Figure 229 Waves See page 454 for a resolution to this print defect 448 Chapter 7 Troubleshooting EN M Leading edge AN Figure 230 EN Missing toner See page 454 for a resolution to this print defect Image defects troubleshooting 449 AN Leading edge AN Tn A L En a AA ET x Agi
150. ions 25 additive color process 138 adjusting color balance 457 colors 458 duplex registration 107 neutral axis 461 Chapter Index 601 Adobe PostScript See PostScript PS air filter door 42 air filters See filters alphabetical parts list 587 altitude specifications 24 anti curl strings multi bin mailbox 329 Append CR to LF command 90 application notes HP Driver Distribution Center 66 HP FIRST 64 ASAP Automated Support Access Program 64 ASIC test 95 assemblies black cartridge cam 517 black cartridge guide 517 cleaning roller HV module 291 delivery 517 delivery cover 554 delivery drive 285 517 delivery frame 518 drum cartridge drive 294 518 540 face down output 249 face up exit 260 feeder 257 550 formatter 43 front 251 fuser 518 556 illustration of major 517 internal 3 000 sheet stapler stacker and 3 000 sheet stacker 343 left 253 left cover feeder 517 main gear 287 paper pick up 267 517 PCA 559 post charger HV module 288 rear 270 registration frame 517 registration roller 263 517 549 right 261 separation discharge converter 295 solenoid 518 top 245 transfer belt 517 555 tray 1 517 552 tray 1 pick up 268 517 551 tray 2 543 tray 3 542 assemblies 2 000 sheet input unit front LED PCA 308 main drive 310 paper pick up 306 paper size sensor 311 paper size switch 312 quantity switch 311 602 Index assemblies 3 000 sheet stapler stacker and 3 000 sheet stacker attachment 358 door 342 a
151. ipper encoder controller 2E Flipper motor controller 2F ESD cable 2G Delivery head assembly flat cable Carousel stop assembly RG5 3053 000CN 254 6 Carriage assembly stapler stacker C4788 60503 284 13 Cassette crossmember assembly RG5 3089 000CN 259 30 Cassette size labels RS5 8611 000CN 278 72 Cassette size plate RB1 6894 000CN 278 73 Casters XZ9 0442 000CN 278 74 Cleaning roller assembly RG5 3975 000CN 259 15 Cleaning roller HV module RH3 0228 000CN 256 25 C link cable from formatter board to the 2 000 C4781 60504 sheet input unit Clutch transfer belt press CL4 RH7 5168 000CN 256 27 Connector holder assembly RG5 3031 000CN 254 15 Control panel overlay Czech 8500 models C3983 40016 Control panel overlay Czech 8550 models C7096 40019 Control panel overlay Danish 8500 models C3983 40013 588 Chapter 8 Parts and diagrams EN Table 92 Alphabetical parts list continued Description Control panel overlay Danish 8550 models Part number C7096 40016 Figure Ret Control panel overlay Dutch 8500 models C3983 40009 Control panel overlay Dutch 8550 models C7096 40012 Control panel overlay English 8500 models Control panel overlay English 8550 models Control panel overlay Finnish 8500 models C3983 40001 C7096 40004 C3983 40012 Control panel overlay Finnish 8550 models C7096 40015 Control panel overlay French 8500 models C3
152. ircuit 166 process 153 rollers 136 153 EN G gauge toner 110 glossy print speeds 23 using 36 See also media Go key 80 graphics resolution 23 guide input paper See input paper guide multi bin mailbox H half toning 139 handling media 29 toner 57 hard disk accessories 22 failure 396 full 396 initializing 88 407 location 43 new 406 parts list 512 removing 256 410 test 95 write protected 396 HCl See 2 000 sheet input unit HCO See multi bin mailbox heaters fusing safety 166 lower and upper fuser 171 names and locations 171 heavy media using 36 See also media height of printer 25 Hewlett Packard Distribution HPD ordering information 61 high capacity output See multi bin mailbox high voltage converter 3 See separation discharge high voltage converter high voltage power supply removing 291 high voltage power supply circuit 167 hot offset print defect 455 HP ASAP Automated Support Access Program 64 HP Automated Support Access Program ASAP 64 HP Customer Care Online 62 HP dealer finding 511 HP Direct 66 HP Distribution ordering information 61 HP Driver Distribution Center 66 Index 609 HP Fax Information Retrieval Support Technology FIRST Europe 65 U S 64 HP FIRST Fax Information Retrieval Support Technology Europe 65 U S 64 HP JetDirect internal print server See print server HP LaserJet printing demonstration 83 HP Technical Training 62 HP TonerGauge 110 HPD Hewlett Packard Distrib
153. is fully locked If the message does not clear after closing the doors turn the printer off and on to reset the printer Clean the carousel position sensor PS3 with compressed air If the problem persists replace the sensor Reconnect connector J701 on carousel motor PCA connectors J641 J642 J644 and J648 on the main relay PCA connector J672 on the subrelay PCA and connector J102 on the power supply Check operation of the carousel stopper arm Replace the carousel stopper solenoid Check electrical continuity between connector J641 1 24 VB and J642 3 PMP on the main relay PCA when the door switch SW641 is turned on If there is no electrical continuity replace the main relay PCA Check electrical continuity between connector J644 1 PBK and J644 2 PMP on the main relay PCA when the door switch SW644 is turned on If there is no electrical continuity replace the black toner cartridge on off switch Printer message troubleshooting 377 Table 41 Numbered printer messages continued 54 2 CAROUSEL ERROR 8 CYCLE POWER continued 10 11 12 13 14 15 54 00 03 event log message See Check electrical continuity between connector J642 1 PYMC and J642 2 PBK on the subrelay PCA when the door switch SW673 is turned on If there is no electrical continuity replace the toner cartridge cover switch in the subrelay PCA Check electrical continuity between connector J642 1 PYMC and J648
154. l 24 humidity 24 media 29 media storage 30 operating environment 24 printer dimensions 25 temperature 24 speeds factors affecting 23 paper feed 179 print 23 springs tension 2 000 sheet input unit 313 stacker output bin full 409 stapler 350 calibrating staple position 482 stapler stacker standalone test 487 statements Finland laser 56 laser safety 55 VCCI Japan 54 warranty 69 status LEDs See LEDs status lights See LEDs storage consumable specifications 26 media 30 printer specifications 24 too many devices 410 subrelay PCA 252 subtractive color process 138 supplies ordering 61 66 support Customer Care Center CCC 67 Customer Information Centers 66 Customer Support Sales Center 66 Dealer Response Line 65 font 64 HP ASAP 64 HP Direct 66 HP FIRST 64 HP JetDirect 502 HP Software Distribution Center 66 technical 64 third party 502 websites 62 Support Materials Europe SME ordering information 61 620 Index switches black toner cartridge 187 carousel button 187 defective 433 delivery cover front cover 187 imaging drum 187 names and locations 187 paper size detection 188 paper size detection tray 2 187 paper size detection tray 3 187 power 187 reset 187 right cover 187 test print 187 thermo 185 toner cartridge cover 187 switches 2 000 sheet input unit DIP 471 473 names and locations 200 paper quantity 200 paper quantity detection 202 paper size assembly 312 paper size detection 202 switches
155. lor LaserJet 8550 printer configuration page EN Aids to troubleshooting 417 Note Continuous configuration page Continuous configuration pages can be printed to simulate full color printing in which two pages are developed on the transfer drum per rotation two page mode Printing a continuous configuration page 1 Press MENU until INFORMATION MENU appears on the printer control panel display 2 Press ITEM until PRINT CONTINUOUS CONFIG PAGES appears on the display 3 Press SELECT to print the page Press CANCEL JOB to stop printing The printer will print all of the pages in the buffer before stopping Demonstration page Use this page to simulate printing a color image If the image print quality is in question a demonstration page should be printed to assure that the problem is not related to software communications or file quality Printing a demonstration page 1 Press MENU until INFORMATION MENU appears on the printer control panel display 2 Press ITEM until PRINT LASERJET DEMONSTRATION appears on the display 3 Press SELECT to print the page 418 Chapter 7 Troubleshooting EN EN Event log Detailed service information is noted in the event log The following is a list of the types of messages logged in the event log media jam errors disk failures EIO errors catastrophic errors The last 50 errors are listed with the most recent error first Reoccurring events give indications of failing pa
156. messages continued PRESS SELECT IF FUSER IS NEW Description The printer has detected that a new fuser might have been installed Note This message will also occur if the printer is turned off and on and the internal fuser count indicates the fuser is near the end of its life or the fuser door is opened The message displays for 10 seconds PRESS SELECT IF TRANSFER IS NEW Description The printer has detected that a new transfer drum might have been installed Note This message will also occur if the printer is turned off and on and the internal transfer count indicates the transfer drum is near the end of its life or the transfer door is opened The message displays for 10 seconds PRESS SELECT TO INITIALIZE DISK Description The printer hard disk is new or has been formatted for another file system 406 Chapter 7 Troubleshooting Event log message None Action 1 NI If the fuser has been replaced press SELECT to reset the internal counter If the message clears before pressing SELECT the value can be reset in the RESETS menu If the fuser has not been replaced press Go Event log message None Action 1 N If the transfer drum has been replaced press SELECT to reset the internal counter If the message clears before pressing SELECT the value can be reset in the RESETS menu If the transfer drum has not been replaced press Go Event log message None Action 1 Press
157. n offset in the opposite direction to the face up bin EN EN Stacker bin test Block the upper optical sensor and observe the movement of the stacker bin Face up bin full sensor test Lift and hold up the bin full flag until the user LED blinks amber The user LED should blink amber within a few seconds Stacker Bin Full Sensor Test Block the upper optical sensor until the stacker bin reaches the bottom of its motion triggering the stacker bin full sensor the user LED should blink amber 3 000 sheet stapler stacker troubleshooting 489 Service LED flashing patterns The blinking of the service LEDs will be 0 5 second on and 0 5 second off during the coding sequence After a two second delay the sequence will be repeated Table 50 Service LED flashing patterns LED blinking pattern number LED Meaning of blinks Solid green Device OK Blinking green Device detached from the printer Continuous blinking Blinking yellow Staple jam 1 Jam in flipper 2 Jam in paper path 3 Jam in accumulator 4 Jam in carriage 5 Blinking red Stapler malfunction 1 Flipper malfunction 2 Malfunction in paper path 3 Accumulator offset module malfunction 4 Carriage malfunction 5 Controller PCA malfunction 6 User LED status interpretation The blinking of the user LED is continuous Table 51 User LED status interpretation Color Solid blinking Meaning Of
158. nd diagrams EN Registration roller assembly o Figure 268 Registration roller assembly Table 75 Registration roller assembly parts Ref Description Part number Qty Registration roller assembly RG5 3009 000CN 1 EN Illustrations and parts lists 549 Feeder assembly Figure 269 Feeder assembly Table 76 Feeder assembly parts Ref Description Part number Feeder assembly RG5 3059 000CN Qty 550 Chapter 8 Parts and diagrams EN Tray 1 pick up assembly lt 3 a J1303 ZA 332 40 J34 Ba ka Pa Psi a Figure 270 Tray 1 pick up assembly Table 77 Tray 1 pick up assembly parts Ref Description Part number Qty Tray 1 pick up assembly RG5 3054 000CN 1 10 Roller tray 1 pick up RB1 9526 000CN 1 40 Photo interrupter IC TLP1240 WG8 5210 000CN 1 EN Illustrations and parts lists 551 Tray 1 assembly J1701 Figure 271 Tray 1 assembly Table 78 Tray 1 assembly parts Ref Description Part number Qty Tray 1 assembly RG5 3134 000CN 1 552 Chapter 8 Parts and diagrams EN Delivery assembly Figure 272 Delivery assembly Table 79 Delivery assembly parts Ref Description Part number Qty Delivery assembly RG0 0110 000CN 1 11 Lever paper sensing RB1 6692 000CN 1 12 Lever paper height RA0 0112 000CN 1
159. necessary If the problem persists replace the flipper assembly 13 13 03 or 13 23 03 Blinking amber Blinking yellow two blinks Media jammed at flipper entry sensor Clear the jam Power cycle the printer and the computer if necessary If the problem persists replace the flipper assembly 496 Chapter 7 Troubleshooting EN Table 54 Jams in the stapler stacker Control panel messages continued Event log error message Tam lor 13 23 04 Service LED two blinks Description edia jammed in the flipper area Recommended action ear tne jam Power cycle the printer and the computer if necessary If the problem persists replace the flipper assembly 13 13 05 or 13 23 05 Blinking amber Blinking yellow two blinks Media jammed in the flipper area Clear the jam Power cycle the printer and the computer if necessary lf the problem persists replace the flipper assembly 13 13 06 or 13 23 06 Blinking amber Blinking yellow two blinks Self adjustment routine incomplete Check for mechanical interferences in the flipper s rollers area If the problem persists replace the flipper assembly 13 13 09 or 13 23 09 Blinking amber Blinking yellow three blinks When powering on or after clearing a jam a jam is present in the
160. nected Replace the lever if it is cracked 12 Reconnect connector J209 and relay connectors J47 and J48 on the controller board 13 Replace the controller board Event log message None Action 1 Install the transfer drum before attempting to print Take the transfer drum out and reinstall it 3 Make sure that the transfer drum is installed e f the transfer drum is not already installed install the transfer drum e Ifthe transfer drum is already installed turn the printer off verify the transfer drum is in the correct position and turn the printer on again 4 Reconnect connector J1101 on the density sensor PCA intermediate connectors J75 and J46 and connector J206 on the controller board 5 Measure the voltage across connector J704 1 24 VAR and GND on the density sensor PCA after the printer is turned on If the voltage is not approximately 24 V replace the density sensor PCA 6 Replace the controller board Event log message None Action No action is required For more information on changing the printer control panel display language see page 97 EN Table 42 Unnumbered printer messages continued LEFT OUTPUT BIN FULL Description The left face up output bin on the printer is full Note This message appears only if the optional multi bin mailbox is installed LOCK TONER LEVER Description The blue lever inside the clear door is not locked Event log message None Ac
161. nector J64 1 1 24 VB and J641 4 GND on the main relay PCA after the printer is turned on If the voltage is 24 V replace the main relay PCA Check the AC power supply If the problem is not rectified after the printer is turned off and on again find the cause of activation of the overcurrent overvoltage detection circuit in the power supply Wait more than two minutes before turning the printer back on Replace the power supply EN Printer message troubleshooting 381 Table 41 Numbered printer messages continued 57 3 FAN FAILURE Event log message 57 00 03 Description Action One of the cooling fans failed Caution Turn the printer off and do not operate 3 Fan 3 FM 3 the printer in this condition or it can be seriously damaged 1 Turn the printer off and on to reset it 2 Reconnect connectors J645 and J647 on the main relay PCA J18 and J74 relay connectors and connector J227 on the controller board 3 Reconnect connector J641 on the main relay PCA and connector J102 on the power supply 4 Measure the voltage across J645 3 FAN3ON and J645 1 GND on the main relay PCA after the printer is turned on If the voltage changes from 0 V to 24 V replace fan 3 5 Measure the voltage across connector J641 1 24 VB and J641 4 GND on the main relay PCA after the printer is turned on If the voltage is not 24 V replace the main relay PCA 6 Measure the voltage across connector J641 1 24 VB
162. ng assembly 325 not attached correctly 403 operating modes 205 206 output bin full 409 overflow 205 Index 613 paper bins 318 paper supply 317 power on sequence 206 power up sequence test 478 printer model included with 22 removable parts 314 removing 253 sensors switches motors and controller board 208 top cover 316 top output bin face up full 398 transport belt motor 322 troubleshooting 477 unlatched 480 user status LED PCA 336 multipart forms 37 multipurpose tray See tray 1 N networks 100Base TX 76 10Base2 77 10Base T 76 accessories parts list 512 connections 76 printer connection 76 troubleshooting 502 non masked area 34 non volatile random access memory NVRAM See NVRAM non volatile random access memory number formatter board serial 93 printer model 38 printer serial 93 numerical parts lists 574 NVRAM non volatile random access memory damaged 481 recoverable error 387 settings 93 unrecoverable error 387 O offset module 214 349 OHT overhead transparency See transparencies OHT mode 179 online indicator 81 support 62 online help 81 operating environment requirements 27 environment specifications 24 specifications 24 operating system color characteristics 440 614 Index options ordering 511 parts list 512 ordering accessories 511 consumables 62 511 DIMMs 511 documentation and software 62 options 511 parts 511 orientation configuring default 89 media in input trays 31 output bi
163. ng pins on the back of the handle can break or even can be sheared off if when the transfer drum is removed the green handle is not swung all the way to the right 3 Check the transfer drum guide see figure 260 on page 540 reference 40 and replace it if it has developed cracks 4 Check engine settings 1 and 2 in service mode and compare the values to the numbers shown on the engine settings tag see figure 79 on page 228 callout 3 Correct the settings to match the tag Note The last two digits of engine setting 2 might not match this is normal 5 Find out if the printer has operated recently in extreme temperature conditions 6 Replace the transfer drum 452 Chapter 7 Troubleshooting EN Developer streak See figure 225 on page 444 for an example of this print defect Developer streak is characterized by a line of dark or missing toner that stretches from the leading edge to the trailing edge Replace the toner cartridge corresponding to the color of the developer streak for example if the streak is magenta replace the magenta toner cartridge Rain See figure 226 on page 445 for an example of this print defect Rain is characterized by small white elongated spots in printed areas Typically rain begins toward the center of a printed page Spots are elongated in the print direction Rain is caused by particles of color toner scratching the imaging drum in some high coverage long print job conditions Once t
164. nnector J208 on the controller board Replace the tray 1 pick up assembly 41 5 UNEXPECTED PAPER TYPE LOAD TRAY lt x gt lt type gt lt size gt Description The printer was expecting one type of medium to be fed from an input tray and a different type was fed For example the printer was expecting transparencies and plain paper was fed lt X gt Input tray number 2 3 or 4 lt type gt Media type specified in the printer driver or application lt size gt Media size specified in the printer driver or application Note The size error in this message applies only to tray 1 Event log message 41 00 05 Action Open and close the front door to remove the page from the printer Verify that the correct media are loaded in the input tray and the printer control panel is configured correctly Clean the detection windows of OHT sensors 1 and 2 Reconnect connectors J1801 and J1802 of OHT sensors 1 and 2 connector J214 on the controller board and relay connector J17 Replace OHT sensors 1 and 2 Replace the controller board 372 Chapter 7 Troubleshooting EN Table 41 Numbered printer messages continued 49 lt xxxx gt ERROR CYCLE POWER Description Indicates that a software or data communications error has occurred or corrupt data was sent to the printer This can be caused during times of high network traffic or by incomplete or out of bounds print data Thi
165. not be run in the available memory The job was canceled and no pages were printed PCL MEMORY FULL STORED DATA LOST Description The resource save area for the printer personality is full Fonts downloaded to the printer RAM might have been deleted Event log message None Action 1 Reprint the job If the message still appears turn the printer off and on to reset the printer before sending the print job again 2 Install more printer memory For more information about printer memory options see page 511 Event log message None Action Turn the printer off and on to clear the printer RAM PJL OPERATIONS FAILED Description The requested PJL operation could not be completed because the option is unavailable or the PJL data was corrupt PLEASE WAIT Description The printer is in the process of going offline or into the menus Event log message None Action No action is required Event log message None Action No action is required POWERSAVE ON Description The printer is in Power Save mode Power Save settings can be changed on the printer control panel through the Configuration Menu see page 88 EN Event log message None Action Clear this message by pressing any key Note This message will also be cleared if a print job is sent to the printer or if an error condition is detected by the printer Printer message troubleshooting 405 Table 42 Unnumbered printer
166. ns configuring destinations 86 full 403 409 411 jams 393 multi bin mailbox 210 overflow 205 See also left face up output bin top face down output bin overflow bin multi bin mailbox 205 overhead transparencies See transparencies overriding A4 with letter 87 letter with A4 87 media type size 87 ozone filter 58 safety 58 P package contents 73 pages configuration 407 demonstration 407 printing color test 92 simplified 404 total color printed 93 total count 93 wrinkled 433 wrong request 481 panel filler for tray 2 231 panel inside left 230 paper clearing 395 cold reset size 94 configuring default size 89 configuring destinations 86 diverter out of position 382 feeding speeds 179 handling accessories 512 overriding size 87 print speeds 23 roller life low 398 rollers life out 398 EN tray 1 pick up 183 tray 2 and tray 3 pick up 181 unexpected size or type 372 See also media paper bin multi bin mailbox empty sensor 209 full sensor 209 paper delivered to bin sensor multi bin mailbox 209 paper delivered to head sensor multi bin mailbox 209 paper entry sensor 2 000 sheet input unit 200 multi bin mailbox 209 paper exit sensor 2 000 sheet input unit 200 paper guide See input paper guide multi bin mailbox paper handling accessories location 44 model differences 22 Paper Handling Menu 85 paper jams See jams paper path 2 000 sheet input unit 204 carousel obstruction 377 checklist 433 door open
167. ntact assembly RG5 3044 000CN 256 2 Transfer kit C4154A Transfer drum Transfer belt Cleaning roller Charcoal filter Hand wipe Transfer mount assembly RG5 3008 000CN 259 36 Transfer swing assembly RG5 3010 000CN 257 10 Transport belt motor with fan C4785 60518 282 41 Tray 1 assembly RG5 3134 000CN 271 Tray 1 pick up assembly RG5 3054 000CN 270 Tray 4 RG5 3845 000CN 278 79 Tray rail assembly RG5 1851 000CN 257 3 Tray face up RB1 6491 000CN 250 11 Universal power supply assembly RG5 4021 000CN 279 102 User LED PCA with cable C4785 60515 280 20 Vertical transfer unit VTU RG5 3854 000CN 278 89 Waste toner tray RB1 9804 000CN 253 5 Wings kit stapler stacker C4788 60521 284 Yellow toner cartridge C4152A EN Alphabetical parts list 599 600 Chapter 8 Parts and diagrams EN Index Value key 80 Numerics 1 000 sheet paper deck input printer model included with 22 100Base TX networks 76 512 10Base2 networks 77 10Base T networks 76 512 11 by 17 inch sized media See media 12 by 18 5 inch sized media See media 2 000 sheet input unit back cover 300 cable connections 75 communication error 384 components 298 controller PCA 307 covers and doors 560 description 199 DIP switches 473 error 384 385 front cover 299 front LED PCA assembly 308 LEDs 470 472 left cover 301 location 44 main drive assembly 310 motor test 474 paper path 204 paper pick up assembly 306 paper size sen
168. ntage of life remaining fuser kit count for percentage of life remaining engine settings for verifying that the registration settings are accurate the last two digits of the engine settings might vary from those found on the sticker To print a configuration page 1 Press MENU until INFORMATION MENU appears on the printer control panel display Press ITEM until PRINT CONFIG PAGE appears on the display Press SELECT to print the page EN Aids to troubleshooting 415 Interpreting a configuration page The numbers below correspond to the numbered areas on the examples on the following page 1 Printer information liists the following information e printer product number e serial number e PCL firmware date code e PostScript version e total pages printed during the life of the printer e number of color pages printed during the life of the printer e number of black and white pages printed during the life of the printer e number of duplex pages printed during the life of the printer 2 Installed options shows whether options have been installed such as the printer hard disk DIMMs duplexer multi bin mailbox and optional input trays 3 Consumables of life remaining shows the percentage of the maximum rated life remaining for the transfer kit fuser kit and drum kit For HP Color LaserJet 8550 printer models except for the MFP model estimates of the amount of toner remaining in each of the four cartridges a
169. nter and paper handling accessory sensors see chapter 5 EN Paper path troubleshooting 435 Following are possible media jams Table 44 Media jam detection Location of jam Pick up delay jam 1 Pick up delay Jam 2 Detected when The page has not reached the pick up unit paper sensor P517 within about 1 2 seconds after leaving tray 2 1 3 seconds after leaving tray 3 The media does not reach the registration roller paper sensor PS1 within about 1 9 seconds after leaving tray 2 2 0 seconds after leaving tray 3 1 8 seconds after leaving tray 1 Transfer jam The separation sensor PS5 does not detect the media for the specified time or longer within 1 5 to 2 2 seconds after the top of paper signal about 0 1 seconds normal mode about 0 4 seconds overhead transparency mode about 0 3 seconds high gloss mode Fusing delivery paper delay jam The media has not reached the fusing delivery sensor P51903 since the top of paper signal within about 3 2 seconds normal mode 12 8 seconds overhead transparency mode 9 6 seconds high gloss mode Fusing delivery stationary jam The media has not passed through the fusing delivery sensor PS1903 after PS1903 detects the leading edge of the media within approximately 2 4 seconds normal mode letter sized media landscape 9 6 seconds overhead transparency mode letter sized media landscape 7 2 seconds hi
170. nter does not return to Ready turn the printer off and on to reset the printer Note It might take five to six minutes for the printer to complete the calibration CANCELING JOB Description The printer is canceling the current print job Event log message None Action No action is required If the printer does not return to Ready turn the printer off and on to reset the printer CHECK CONTROL PANEL SETTINGS Description Indicates that the page might not be printing because the control panel setting for media type Event log message None Action See page 104 for information about configuring media type and size for each input tray and or size does not match the media in the tray CHECK TRAY 1 PAPER GUIDES Description The width of the guides does not match the size of the media selected for the print job Event log message None Action Adjust the media width guides to the edge of the page Ensure the media size selected for the print job is the same as the size of media loaded in tray 1 388 Chapter 7 Troubleshooting EN Table 42 Unnumbered printer messages continued CLEAN DENSITY SENSOR CYCLE POWER Description The process marks in the density sensing pattern are corrupted see chapter 5 for more information CLEAR DUPLEX JAM LOWER LEFT DOOR Description The printer senses a media jam in the duplexer EN Event log message 54 00 0 lt x gt lt x gt Descri
171. ntroller PCA Replace the delivery head assembly Sliders problem at the head Check for media jam in the WZA assembly delivery head assembly VILL The sliders do not activate the slider Check that all paper bins are UML photosensor seated correctly Replace the delivery head assembly 480 Chapter 7 Troubleshooting EN Table 49 Status LEDs on the multi bin mailbox continued User Service LED LEDs Message description Recommended action External memory error Replace the multi bin mailbox Multi bin mailbox NVRAM damaged controller PCA Jam in delivery head assembly Check for media jam in the Time out condition in the PSExit1 delivery head assembly UUM HUH Sensor Check for free movement in both UU PSExit1 and PSExit2 sensors on the delivery head assembly Check that the fingers are over the ejector rollers on the delivery head assembly Replace the flat ribbon cable that connects to the delivery head assembly Replace the delivery head assembly Replace the multi bin mailbox controller PCA Jam in the delivery head position 8 Check that the blind cover and MLL system scan bar are installed properly VLD The elevator motor detects an invalid Check for media jam in the window when scanning delivery head assembly Check for free movement of the delivery head assembly Check that all paper bins are seated c
172. nually from the default settings by changing the densities of the four toners black cyan magenta and yellow Changing the Detail Half tone Adjust and Smooth Half tone Adjust allow you to independently adjust the color of objects on a page that use the smooth and detail half tones such as text and graphics Any settings you change remain in effect until you change them again or restore the factory defaults Do not perform the color balance adjustment procedure until all of the following troubleshooting methods have been completed Experiment with the printer driver and application settings to adjust the color output For more information about application settings see the online help e Clean the density sensor see page 114 Complete the troubleshooting solutions earlier in this chapter for the color printing problem you are experiencing Color balance adjustment 457 N E U T R A L A x I Ss C H E Cc K Figure 233 Color adjust page A Smooth Half tone Adjust section Color ramps Detail Half tone Adjust section 0 O W Neutral axis 458 Chapter 7 Troubleshooting NANO AHAS HPBHCHS EN Print the color adjust page a Press Go and VALUE at the same time COLORE ADJUST iii appears on the printer control panel display b Press ITEM until FRIMNT TEST PAGE appears on the display c Press SELECT to print the color adjust page d Press Go to exit the Color Adjust Menu The color adjust pag
173. of completing a cold reset When the reset is completed the printer returns to the ready state but remains offline SEPARATOR OUTPUT BIN FULL Description The multi bin mailbox output bins are full Reset the EIO type and configure the printer before bringing the printer online For more information on factory defaults and configuring the printer control panel see page 82 Event log message None Action Remove all media from the output bins on the multi bin mailbox to continue printing STACKER OUTPUT BIN FULL Description The multi bin mailbox output bins are full EN Event log message None Action Remove all media from the output bins on the multi bin mailbox to continue printing Printer message troubleshooting 409 Table 42 Unnumbered printer messages continued TONER LOW REPLACE lt color gt Description The printer is almost out of the specified toner The printer remains online and ready to print however the print quality might be degraded lt color gt Cyan magenta yellow or black TONER OUT REPLACE lt color gt Description The printer is out of the specified toner and cannot continue lt color gt Cyan magenta yellow or black TOO MANY FILE STORAGE DEVICES REMOVE EITHER DISK Description The printer can support only one physical printer hard disk and two have been detected Printing will not be possible until one of the hard disks has been removed 410
174. ols 484 Printer messages a 491 Communications troubleshooting 502 HP network interface support 502 Third party network interface support 502 le AA eat wera Baer act 503 Chapter contents 365 366 Chapter 7 Troubleshooting EN Pre troubleshooting checklist Note EN Before troubleshooting any specific printer problem make sure that the following conditions are met Remove the printer from the network before beginning troubleshooting to make sure that the failure is not associated with the network For HP Color LaserJet 8550 MFP printers compare printed pages to copied pages to determine whether the problem is a print engine problem or a copy problem Use the HP Color LaserJet 8550 MFP printer service manual to troubleshoot copy module and document feeder problems The printer driver is correct for the printer installed The printer is being powered off with the power button not by the power cable so that cooling fans run through their entire cycle Overdue maintenance is performed before troubleshooting The maintenance units are within their rated life The customer is responsible for ensuring that the items included in the consumable kits are in good condition The printer has been maintained on a regular basis as described in chapter 4 Note the location of spilled or accumulated toner before troubleshooting T
175. oner contamination might indicate ventilation or printer environment problems The toner catch tray is not overfull Empty the toner catch tray if necessary and identify the source of excessive waste toner The customer is using supported media The operating environment is within the specified parameters listed in chapter 1 of this manual The printer is not exposed to ammonia gas such as that produced by diazo copiers or office cleaning materials The printer is never exposed to direct sunlight The media are stored correctly and within environmental limits The printer is installed on a solid level surface The line voltage does not vary more than 20 from the nominal rated value specified on the Power Rating Label Suspect this problem if large motors are used near the printer such that they might cause temporary voltage changes Any non HP components toner memory boards and EIO cards are removed from the printer Printer hardware or software configuration has not changed or the problem is not associated with any specific software Refer customers to their software vendor for software related problems Pre troubleshooting checklist 367 Printer message troubleshooting This section contains explanations and recommended actions for messages that appear on the printer control panel e Numbered messages table 41 beginning on this page e Unnumbered messages in alphabetical order table 42 beginning on page
176. or toner cartridges 456 margin 34 matching colors 440 Material Safety Data Sheet MSDS 57 64 maximum media sizes 31 MBM See multi bin mailbox media capacities multi bin mailbox 33 capacities printer 31 cautions for printing 37 configuring default size 89 configuring destinations 86 configuring sizes 104 configuring types 103 104 duplexer specifications 35 error feeding from tray 1 382 handling 29 input tray capacities 31 jams 394 overriding type size 87 parts list 513 print speeds 23 requirements 29 selecting 29 specifications 29 storing 30 to avoid 37 trays See tray 1 tray 2 tray 3 tray 4 trays See also envelopes glossy labels paper transparencies media size sensing PCAs 296 memory accessories 22 expanding 22 external error NVRAM 481 full 409 installing DIMMs 106 insufficient 370 internal error 383 model differences 22 EN optimized 22 out and job cleared 405 parts list 512 PCL full 405 shortage 404 Menu key 80 menu maps description 82 printing 83 menus Color Adjust 92 Configuration 88 control panel 82 duplex registration 91 O 91 Information 83 Paper Handling 85 Printing 89 Proof and Print 84 85 Quick Copy Jobs 84 Resets 92 Service Mode 93 messages cold reset 395 control panel 368 language used 97 low and out 88 multi bin mailbox 479 numbered 368 unnumbered 388 metallic tape and housing assembly multi bin mailbox 325 MFP configuration 40 selecting display language 97 servic
177. orrect size of paper or check sensors Load paper or check sensors If the LEDs do not turn on replace the paper deck PCA or the power EN DIP switch settings The following table shows the position of the DIP switches to run each of the 2 000 sheet input unit diagnostic tests Table 48 DIP switch settings for troubleshooting test procedures Standalone DIP switch Normal setting Motor test running test Sensor test Standalone running test This test verifies that the 2 000 sheet input unit is functioning properly For this test use the service LEDs See page 472 for an interpretation of the service LED patterns CAUTION To prevent excessive media jams during this test feed only six to eight pages 1 Ensure that paper is in the tray 2 Set the DIP switches on the 2 000 sheet input unit s controller PCA for the standalone running test See page 473 for an explanation of the settings 3 Use the switch that is located on the units power supply to switch to diagnostic mode e f the unit does not work there is no paper movement and the lower service LED flashes in a pattern that indicates the problem See page 472 for an interpretation of the service LED patterns 4 To stop the test turn the power supply switch back to operational mode and set the DIP switches on the controller PCA to the off position Open the VTU and remove any media from the paper path EN 2 000 sheet input unit troubleshooting 473
178. orrectly Check that paper bins and blind cover are not broken Replace the delivery head motor Replace the delivery head assembly Replace the multi bin mailbox controller PCA Wrong page request Check the bin destination WILL Page request received with invalid Check the paper size LLL WILL output bin or invalid paper size configuration Ka information Power up the system EN Multi bin mailbox troubleshooting 481 3 000 sheet stapler stacker troubleshooting Calibrating the staple position Note Recalibrate the staple position only if the accumulator assembly the carriage assembly or the controller PCA is replaced NVRAM located in the controller PCA keeps in memory the configured compensation values for the staple position When the device is in service mode you can gain access to the flexible calibration menu To calibrate the staple position 1 2 13 14 Turn the printer off Enter service mode see To set the device in service mode later in this chapter As the device powers on the NVRAM receives the calibration values After successful power on exit service mode see To exit service mode later in this chapter Turn the printer on and wait until Feat appears on the control panel display The user LED located at the top of the front cover should blink green Press MENU until Dont i duration of Stkr appears on the control panel display Press ITEM until Default of Starlss
179. parent differences between the printed output and the screen e Different papers have different color brightness and gloss which will affect the color appearance e Printed colors with identical CMYK or RGB values but with a different halftone ColorSmart text graphic or image might look different when printed Select the manual color option in the driver and change the halftoning options to vary the shading and quality of the colors e The printed output differs from the image on the monitor because the monitor and the print media have different reference values for black and white The monitor screen has charcoal gray for the black level and the white on the monitor screen is actually a light blue Black on the print media is limited only by the fill capability of the printer and most good quality paper has a very high white level In addition phosphor used in color monitors and toner have entirely different spectra characteristics and different color rendering capabilities Blues generally match better than reds e The color of the ambient light changes the perception of color Fluorescent light emphasizes different colors from incandescent light and the color range of natural light is broader than any artificial light When comparing color choose a standard light source for reference and understand that the perceived color will change as the light changes e Long term color variations occur as the paper ages Use high quali
180. pears on the display 10 Press SELECT to choose an output destination 11 Press ITEM until EXECUTE TEST appears on the display 12 Press SELECT to perform the paper path test To stop the paper path test press CANCEL JOB The transfer drum can be removed with the right upper door open and the right cover interlock defeated see figure 214 on page 425 However media might not feed past the transfer area unless 11 by 17 inch or A3 sized media is used Aids to troubleshooting 421 Notes Developer motor test Visually and audibly inspect the cartridge motor M3 and carousel motor M1 as they rotate during this test To view the printer components run the test with the right upper door open and the transfer drum removed and the front cover and right upper door interlocks defeated see figure 218 on page 427 and figure 214 on page 425 The engine runs this test for a fixed duration and then stops Multiple repetitions of the test are allowed For safety reasons the fuser high voltage supplies and scanner are all turned off during testing The carousel cannot turn with the imaging drum removed because the supply voltage to the carousel is cut off to avoid a pinch hazard 1 From the Service Mode Menu press MENU until DEVELOPER MOTOR appears Press ITEM until REPETITIONS appears Press VALUE to display the possible number of repetitions Press SELECT to choose the number of repetitions Press ITEM until EXECUTE TEST
181. pen each input tray remove any jammed media and close the input tray Open the left lower cover remove the duplexer remove the jammed media reinstall the duplexer and close the left lower cover Check the entire paper path Event log message 13 22 01 13 22 02 Action 1 Open the jam access door and remove any media Verify that the left face up output bin full sensor PSFaceFull flag moves freely Verify that the flipper shaft is in place Replace the flipper assembly Replace the multi bin mailbox controller board PCA Event log message 13 22 03 Action 1 Check for a jam at the double belt system and delivery head assembly 2 Ensure free movement of the double belt both belts 3 Ensure parallel position of the double belt system 4 Verify that the metallic tape is in place and in good condition Replace the transport belt motor M5 Replace the multi bin mailbox controller board PCA 7 Replace the delivery head assembly EN Table 42 Unnumbered printer messages continued CLEAR MAILBOX JAM continued CLEAR OUTPUT JAM UPPER LEFT DOOR Description The printer senses a media jam in the top face down output bin This message might be caused by the paper not reaching PS11 or by paper toggling PS11 for an extended period of time See table 44 on page 436 for an explanation of paper jam detection details EN Event log message 13 22 04 Action 1 Check for a jam in
182. pproximately 1 000 pages until the end of life warning appears Event log message None Action 1 Remove all media from the top output bin in the multi bin mailbox to continue printing 2 Check the functionality of the Bin Full flag Event log message None Action Although printing can continue the fuser kit should be replaced for optimum printer operation Replace the fuser kit and reset the fuser counter by pressing SELECT before attempting to print or use the RESETS menu on the printer control panel FUSER LIFE OUT REPLACE KIT Description The fuser and paper rollers are past their specified life If TONER LOW is set to CONTINUE in the Configuration Menu printing can continue with degraded print quality Otherwise printing will be halted 398 Chapter 7 Troubleshooting Event log message None Action Replace the fuser kit and reset the fuser counter by pressing SELECT before attempting to print or use the RESETS menu on the printer control panel See table 20 on page 88 for information about the TONER LOW setting EN Table 42 Unnumbered printer messages continued INCORRECT FUSER LOWER LEFT DOOR Description The printer has detected that an incompatible fuser possibly the wrong voltage of fuser for the printer has been installed Event log message 50 00 05 Action 3 Remove the fuser and install the fuser specified for use with this printer Printing cannot continue
183. printer off and on to reset the printer Replace the C link cables Replace the multi bin mailbox controller board PCA 67 lt x gt ERROR POWER CYCLE Description Indicates an electronic controller error lt x gt Description 1 Controller board error 2 Controller board IC malfunction 3 Internal communication malfunction Event log message 67 00 0 lt x gt Action 1 2 Turn the printer off and on to reset the printer Replace the controller board 386 Chapter 7 Troubleshooting EN Table 41 Numbered printer messages continued 68 NVRAM ERROR SETTINGS CHANGED Description Indicates that a recoverable error has been detected in the NVRAM Values for some NVRAM settings were found to be illegitimate in form and were set back to their default value Event log message 68 00 00 Action Verify the printer control panel settings One or more fields have been reset to their factory defaults during the error recovery 2 Perform a factory defaults reset see page 92 3 Perform a cold reset see page 431 68 NVRAM FULL SETTINGS LOST Description Indicates that the NVRAM is full and the printer is unable to write new data to the NVRAM Event log message 68 00 01 Action Verify the printer control panel settings One or more fields might have been reset to their factory defaults during error recovery The next time the printer is turned off and on NVRAM will be cleared
184. ption 5 Sensor abnormality 6 Out of range cyan 7 Out of range magenta 8 Out of range yellow 9 Out of range black Action 1 Press Go 2 Printa configuration page and troubleshoot as an image quality problem 3 Check the transfer guide for cracks and replace the transfer guide as needed Event log message 13 00 0 lt x gt lt x gt Description 7 Two sided turnaround paper late jam 8 Two sided turnaround paper stopped jam 9 Two sided path paper late jam Action 1 Open the left lower cover remove the duplexer remove the jammed media reinstall the duplexer and close the left lower cover 2 The fusing assembly and diverter assemblies can also cause duplex printing problems Verify their operation 3 Open the left lower cover and defeat the delivery cover interlock Toggle the sensors at the paper exit and entrance While running the sensor monitor test from the Service Mode Menu verify sensors that 8 and 9 on the printer control panel indicate 1 on when toggled Note This procedure will not work if the left lower cover interlock is not defeated 4 Replace the duplexer Printer message troubleshooting 389 Table 42 Unnumbered printer messages continued CLEAR FUSER JAM LOWER LEFT DOOR Description The printer senses a media jam in the fuser area The printer expected a page to come through the fuser but the paper has not toggled PS1903 or PS1903 has been toggled an extended
185. r board connector J26 on the fuser and connector J101 on the power supply Replace the fuser kit Replace the power supply Replace the controller board 374 Chapter 7 Troubleshooting EN Table 41 Numbered printer messages continued 51 LASER ERROR CYCLE POWER Description Indicates that a laser malfunction has occurred Event log message 51 00 01 Action 1 Turn the printer off and on to reset the printer 2 Reconnect connector J1001 on the laser driver PCA and connector J205 on the controller board 3 Reconnect connector J2 on the beam detect PCA relay connector J40 and connector J211 on the controller board 4 If the problem persists replace the laser scanner unit 5 If after replacing the laser scanner unit the problem persists replace the controller board 52 SCANNER ERROR CYCLE POWER Description Indicates that the scanner motor is not turning properly Event log message 52 00 00 Action 1 2 Turn the printer off and on to reset the printer Reconnect connector J901 on the scanner motor PCA relay connector J40 and connector J211 on the controller board Measure the voltage across connector J647 B11 24UH and J647 4 GND on the main relay PCA after the printer is turned on If the voltage is not 24 V replace the power supply Measure the voltage across connector J211 7 SCND and J211 6 GND on the controller board after the printer is turned on If th
186. r deck drive assembly bushing Replace the paper deck drive assembly Check that the paper tray raised sensor PS34 is working properly perform a sensor test Check for proper installation of the pick up roller Check pick up assembly cabling Replace the pick up assembly EN Printer message troubleshooting 385 Table 41 Numbered printer messages continued 66 22 08 OUTPUT DEVICE FAILURE CHECK CABLES AND CYCLE POWER Description Indicates a multi bin mailbox flipper motor error Event log message 66 22 08 Action 1 oa Ff O N Verify that the c link and power cables are connected Turn the printer off and on to reset the printer Check for jams in the flipper assembly area Replace the flipper assembly Replace the multi bin mailbox controller board PCA 66 22 09 OUTPUT DEVICE FAILURE CHECK CABLES AND CYCLE POWER Description Indicates a multi bin mailbox external memory error Event log message 66 22 09 Action 1 Verify that the c link and power cables are connected Turn the printer off and on to reset the printer Replace the multi bin mailbox controller board PCA 66 22 lt xx gt OUTPUT DEVICE FAILURE CHECK CABLES AND CYCLE POWER Description Indicates a multi bin mailbox error lt xx gt Error code from the optional device Event log message 66 22 lt xx gt Action 1 Verify that the c link and power cables are connected Turn the
187. r holder assembly 259 21 RG5 3131 000CN Sensor slider assembly 259 37 RG5 3132 000CN Paper pick up assembly 264 RG5 3134 000CN Tray 1 assembly 271 RG5 3144 000CN Cable sensor 254 18 RG5 3147 000CN Cable delivery connector 257 12 RG5 3843 000CN Paper pick up assembly 278 82 RG5 3845 000CN Tray4 278 79 RG5 3849 000CN Plate paper limit middle 278 85 RG5 385 1 000CN Paper deck drive assembly 278 80 RG5 3854 000CN Vertical transfer unit VTU 278 89 RG5 3908 000CN Paper deck PCA 279 96 RG5 3909 000CN Power supply cable 279 99 RG5 3919 000CN Cable main 279 92 584 Chapter 8 Parts and diagrams EN Table 91 Numerical parts list continued Part number Description Figure Ref RG5 3921 000CN Cable DC power 254 19 RG5 3922 000CN Cable power signal 254 20 RG5 3923 000CN Cable carousel 257 6 RG5 3934 000CN Sensor assembly toner waste 258 24 RG5 3936 000CN Laser scanner unit 258 18 RG5 3942 000CN Cable main motor 257 5 RG5 3943 000CN High voltage power supply 256 21 RG5 3961 000CN PCA cartridge release lever 254 21 RG5 3962 000CN Hinge stopper tray 1 delivery assembly 252 54 RG5 3966 000CN Separation discharge high voltage converter 256 30 PCA RG5 3973 000CN Static charge eliminator assembly 259 14 RG5 3975 000CN Cleaning roller assembly 259 15 RG5 3980 000CN Preconditioning exposure LED assembly 252 36 RG5 3992 000CN PCA fu
188. re also shown 4 Memory shows the total memory installed in the printer including the printer hard disk and the settings that affect how the memory is used 5 Paper tray configuration lisis the types and sizes of media configured for each input tray 6 Security shows whether the security features have been activated such as the printer control panel lock printer control panel password and printer hard disk lock There is also a service information code for service personnel 7 Event log iists the last three printer events including media jams service errors and other printer actions 8 Color adjust lists color adjustment halftone settings and the number of pages since the last manual color adjustment 9 Duplex registration 8550 models only lists the x and y axis coordinates for duplex registration 10 HP JetSend 8550 models only lists HP JetSend addresses 416 Chapter 7 Troubleshooting EN Serial Number USBCXXXXXX EEA Control Panel Password DISABLED aser Kit rum Kit isk Lork DISABLED GL Firmware Date Code 12346678 y srviee Information PostSeript version 0000 D4dd Total Page Count 9728 000000000000 000000 OOO Color Page Count nanan Memory 0 nG Duplex Page Count nnnnn h 5000 00000 00010 OUN Temperature Humidity X X Total Memory 28 MBytes 000000 000000 000000 000000 Engine Firmware Date Code Available Disk Space 300 MB Formatter Serial
189. relay PCA Check electrical continuity between connector J671 2 PMP and J671 2 PFUPR on the subrelay PCA when the door switch SW671 is turned on If there is no electrical continuity replace the delivery cover front cover switches on the subrelay PCA Measure the voltage across connector J64 1 1 24 VB and J641 A1 GND on the main relay PCA after the printer is turned on If the voltage is not 24 V replace the power supply Measure the voltage across connector J647 B11 24UH and J647 4 GND on the main relay PCA after the printer is turned on If the voltage is not 24 V replace the main relay PCA Printer message troubleshooting 401 Table 42 Unnumbered printer messages continued INSTALL IMAGING DRUM OPEN FRONT DOOR continued INSTALL TRANSFER DRUM OPEN RIGHT DOOR Description The printer has detected that the transfer drum is not installed Note All doors must be closed for the printer to detect the transfer drum If the right upper cover interlock is defeated this error will occur unless the density sensor is covered with paper LANGUAGE lt xxxx gt Description Displayed during start up The printer has recognized the key sequence for changing the control panel language lt XXXX gt Printer control panel display language 402 Chapter 7 Troubleshooting 11 Check the drum cartridge on off switch lever on the printer Set the lever at the correct position if it is discon
190. rossmember 255 40 RB1 9804 000CN Waste toner tray 253 5 RB1 9805 000CN Cover cable 256 9 RB1 9807 000CN Filter large air 251 1 RB1 9808 000CN Filter small air 251 19 RB 1 9828 000CN Mount clutch 256 15 RB1 9836 000CN Filter charcoal 252 41 EN Numerical parts list 581 Table 91 Numerical parts list continued Part number Description Figure Ref RB1 9928 000CN Media jam knob 253 7 RB1 9948 000CN Cover cable 258 3 RB1 9955 000CN Gear 14T 258 14 RB1 9956 000CN Gear 14T 258 15 RB2 0005 000CN Rail PCA 258 7D RB2 0010 000CN ITD guide 260 40 RB2 0057 000CN Cover left upper 273 13 RB2 0207 000CN Filler panel for tray 2 249 1 RB2 0208 000CN Filler panel bracket for tray 2 249 2 RB2 2519 000CN Cover back 278 71 RF0 0003 000CN Latch roller action 253 6 RF0 0012 000CN Cover fan 251 39 RF0 0013 000CN Cover inner 4 253 4 RF5 1396 000CN Rail tray 3 259 32 RF5 1484 000CN Plate end 262 263 26 RF5 1834 000CN Feed and separation rollers 278 75 RF5 1834 000CN Roller feed 264 20 RF5 1835 000CN Roller pick up 264 278 21 83 RF5 1995 000CN Cover right subassembly 252 31 RF5 2025 000CN Holder fan 259 3 RF5 2036 000CN Plate duct mount 254 3 RF5 2556 000CN Locating pin metal positioning 278 78 RF5 2568 000CN Cover front with LED window 278 76 RF5 2646 000CN Cover left 278 77 RF5 2701 000CN Hinge stopper delivery 273 24 RF5 3
191. rts and diagrams EN Table 90 3 000 sheet stapler stacker components 2 of 2 Ref Description Part number Qty 8 LED PCA C4788 60510 1 9 Flipper assembly C4788 60501 1 10 Flipper ribbon cable C4788 60524 1 11 Stapler applies only to stapler stacker C4788 60519 1 12 Stapler refill housing C4788 60522 1 13 Carriage assembly applies only to stapler C4788 60503 1 stacker 14 Attachment assembly rod bracket cables C4788 60523 1 15 Adjustable caster C4788 60516 2 16 Stationary caster C4788 60515 2 17 Power supply C4788 60511 1 18 Stapler controller PCA for stapler stacker C4788 60509 1 Stacker controller PCA for stacker C4779 60507 1 19 Offset module for stacker C4779 60508 1 20 Accumulator assembly for stapler stacker C4788 60502 1 21 Interlock C4788 60514 1 22 Safety switch assembly C4788 60517 1 Wings kit stapler stacker C4788 60521 1 Paper stacker clip C4788 60527 1 Optical sensors kit C4779 60509 1 EN Illustrations and parts lists 573 Numerical parts list Table 91 Numerical parts list Part number Description Figure Ref J3113 61003 PCA 10 100Base T C3983 40016 Control panel overlay Czech 8500 models C3983 40001 Control panel overlay English 8500 models C3983 40006 Control panel overlay French 8500 models C3983 4001 1 Control panel overlay
192. rts list 591 Table 92 Alphabetical parts list continued Description Part number Figure Ref Ethernet 10Base T J3110A Ethernet combo 10Base T BNC and LocalTalk J3111A Exchange duplexer C4782 69501 Exchange multi bin mailbox assembly C4785 69519 280 27 NOTE You must have a 2 000 sheet input unit in order to install a multi bin mailbox Face down bin C4785 60502 280 24 Face up bin C3764 60505 280 25 Face up bin C4788 60512 283 4 Face up solenoid assembly RG5 3022 000CN 254 140 Fan 1 FM1 RH7 1330 000CN 259 8 Fan 2 FM2 RH7 1373 000CN 259 7 Fan 3 FM3 RH7 1393 000CN 252 42 Feed and separation rollers RF5 1834 000CN 278 75 Feeder assembly RG5 3059 000CN 269 Filler panel bracket for tray 2 RB2 0208 000CN 249 2 Filler panel for tray 2 RB2 0207 000CN 249 1 Filter charcoal RB1 9836 000CN 252 41 Filter large air RB1 9807 000CN 251 1 Filter small air RB1 9808 000CN 251 19 Fixed casters C4785 60510 280 30 Flag paper sensing RB1 6557 000CN 264 48 Flipper assembly C4788 60501 284 9 Flipper assembly with cable request C4785 60529 281 32 Flipper ribbon cable C4788 60524 284 10 Foot cover C4788 60525 283 2 Formatter assembly C3983 67905 Front cover C4788 60505 283 1 Front LED PCA with holder and cable RG5 4204 000CN 279 91 Fuser assembly 120 V RG5 3060 000CN 215 Fuser assembly 220 V RG5 3061
193. rts or problem areas within the printer See the printer control panel message descriptions beginning on page 368 for more information on items found in the event log Printing the event log 1 Press MENU until INFORMATION MENU appears on the control panel display Press ITEM until PRINT EVENT LOG appears on the display Press SELECT to print the page Aids to troubleshooting 419 WARNING CAUTION Service mode engine diagnostics Engine diagnostics can be used to perform mechanical tests on the print engine and its related components to help pinpoint components in the printer that need replacement or repair Take care when you use engine diagnostics some tests require door interlocks to be defeated and defeating interlocks can expose potential hazards in the engine High voltage supplies and the laser are shut down whenever the printer is in diagnostic mode However any defeating of interlocks without entering the engine diagnostic mode results in potential exposure to the laser and high voltages Entering the Service Mode Menu 1 From a READY state press MENU until SERVICE MENU appears 2 Press ITEM the left side of the key and VALUE simultaneously For a menu map of the Service Mode Menu see page 93 Paper path test The paper path test simulates a page moving through the paper path from input trays 1 2 and 3 to the output bins Removing some engine parts such as the transfer drum prevents pap
194. s 37 waves print defect 454 websites for support 62 weight media in duplexer 35 media in input trays 31 printer 25 wheels developer DSD 464 EN width of printer 25 wiring diagrams 503 wrinkled pages 433 write protected hard disk 396 wrong page request 481 Y yellow detail value 92 smooth value 92 yellow toner cartridge installing 101 location 118 replace frequency 119 Index 623 624 Index EN O Packano Copyright 2000 Hewlett Packard Co Printed in the USA Manual Part No C7096 90967 Printed on Recycled Paper C7096 90967
195. s error can also occur because of defective EIO devices Event log message 49 lt xxxx gt Action Verify that all cables are connected Turn the printer off and on to reset the printer Remove all EIO cards and reinstall them to ensure they are seated correctly If using a parallel connection verify that the cable is IEEE 1284 compliant If the error occurs frequently try adding more memory 50 1 FUSER ERROR CYCLE POWER Description Indicates that a low temperature error has occurred in the fuser Event log message 50 00 01 Action 1 5 6 Verify the fuser is completely seated inside the printer Turn the printer off and on to reset the printer Turn the printer off and remove the fuser Measure the resistance across fuser connectors J26F A4 FXTHU and J26F A3 GND If it is not in the range of 250 kOhms to 600 kOhms room temperature check the wiring from the connector J222 on the controller board up to the upper thermistor If the wiring is normal replace the fuser kit Reconnect connector J222 on the controller board and connector J26 on the fuser Replace the fuser kit Replace the power supply 50 2 FUSER ERROR CYCLE POWER Event log message 50 00 02 Description Action saad that a warmup error has occurred in the 1 Turn the printer off and on to reset the printer 2 Verify the fuser is completely seated inside the printer Check for media jams in the fuser Repla
196. s information about the power on status and attachment alignment to the printer e Service LEDs see figure 203 on page 353 callout 3 three LEDs green yellow and red located near the bottom of the controller PCA toward the back of the device provide additional technical information about the device To interpret the LED patterns see the tables later in this chapter When service mode is entered the stapler stacker performs a power up sequence While in service mode the stapler test stacker test stacker bin test face up bin full sensor test and stacker bin full test can be performed To set the device in service mode Make sure the printer is turned off before performing this test If the printer is on when service mode is enabled some C link signals might affect the test performance mah Unplug the C link cable that connects the device to the printer N Unplug the power cable that connects the device to the printer and plug the power cable directly into a grounded power source 3 Remove the controller PCA cover see page 342 for removal and replacement procedures 4 Slide the service mode switch on the controller PCA to the ON position toward you 5 Press and hold in the interlock switch To exit service mode 1 Release the interlock switch and slide the service mode switch on the controller PCA back to the normal position 2 Reinstall the controller PCA cover and C link and power cables 3
197. senses a media jam Because this is a generic media jam message the media might be at any point in the paper path CLEAR TRANSFER JAM Description The printer senses a media jam in the transfer drum area when media has not reached PS5 In some cases the media might wrap around the transfer drum and become lodged near the imaging drum See table 44 on page 436 for an explanation of paper jam detection sensors Event log message 13 00 00 Action Open and shut the front door of the printer to clear any media from the printer Be sure to check the fuser area because media can get wrapped around the fuser and be difficult to find 2 Check all areas of the printer for jammed media because the printer is unable to determine the location of the media jam 3 Perform sensor monitor test in the Service Mode Menu to verify all paper path sensors are functioning properly or to locate the paper jam Event log message 13 00 10 Action Open the right upper door and the front door Remove the transfer drum Rotate the green lever at the front of the printer while removing the jammed media Reinstall the transfer drum and close the front door and the right upper door CLEAR TRAY 4 JAM Description The printer senses a media jam in tray 4 CLEAR UNEXPECTED PAPER SIZE JAM THEN LOAD TRAY 1 lt type gt lt size gt Description The printer senses a media jam in tray 1 or the media fed are longer than what was expected
198. sensor 178 face up bin multi bin mailbox 210 face up exit assembly 260 face up output bin See left face up output bin face up solenoid 258 factory defaults reset 92 factory settings restoring 409 fading print defects 455 failed hard disk 396 fan 1 motor location 171 operation 177 removing 274 fan 2 motor location 171 operation 177 removing 275 fan 3 motor location 171 operation 177 fans left output failure 382 rear input failure 381 rear output failure 380 thermistor 177 fault log 95 Fax Information Retrieval Support Technology HP FIRST Europe 65 U S 64 FCC regulations 46 features control panel 80 EIO 23 fonts 23 model differences 22 personality 23 print speeds 23 resolution 23 user interface 23 feed roller clutch 189 feed rollers 2 000 sheet input unit 204 printer 136 feeder assembly 257 550 608 Index feeding error 379 manual 404 process 179 speeds 179 field replaceable units FRUs 2 000 sheet input unit 298 ordering 63 parts list 516 files operation failed 396 printing directories 83 filler panel for tray 2 231 filters installing air 124 installing charcoal 120 location 118 ozone 58 replace frequency 119 Finland laser statement 56 firmware error 373 test 95 FIRST Fax Information Retrieval Support Technology Europe 65 U S 64 FIRST mode 103 fixer See fuser fixing See fusing flipper assembly 210 319 calibration 480 error 480 jam 480 roller motor 209 flipper assembly 3 000 sh
199. sing delivery sensor 254 8 RG5 4021 000CN Universal power supply assembly 279 102 RG5 4201 000CN Plate paper limit back 278 84 RG5 4204 000CN Front LED PCA with holder and cable 279 91 RG5 4205 000CN Outriggers 279 95 RH3 021 1 000CN Post charger HV module 256 24 RH3 0228 000CN Cleaning roller HV module 256 25 RH3 0234 000CN Separation discharge high voltage converter 256 39 RH3 2185 000CN Power supply assembly 110 V 254 25 RH3 2187 000CN Power supply assembly 220 V 254 25 RH7 1323 000CN Motor main M4 257 21 RH7 1325 000CN Motor carousel M1 256 26 RH7 1328 000CN Motor cartridge M3 260 23 RH7 1330 000CN Fan 1 FM1 259 8 RH7 1350 000CN Motor pick up M5 264 87 RH7 1373 000CN Fan 2 FM2 259 7 RH7 1393 000CN Fan 3 FM3 252 42 EN Numerical parts list 585 Table 91 Numerical parts list continued Part number Description Figure Ret RH7 5168 000CN Clutch transfer belt press CL4 256 27 RS5 1119 000CN Bushing 255 8 RS5 1317 000CN Bushing 255 29 30 RS5 1319 000CN Bushing 259 19 RS5 1399 000CN Bushing paper deck drive 278 81 RS5 2465 000CN Spring tension 256 28 RS5 2561 000CN Spring tension 279 101 RS5 2697 000CN Spring torsion 259 20 RS5 2698 000CN Spring torsion 259 16 RS5 2719 000CN Spring compression 251 51B RS5 8380 000CN Label CAUTION 253 4A RS5 8611 000CN Cassette size labels 278 72 RY7 5044 000CN Screw kit
200. size sensing RG5 1845 000CN 1 2 PCA main relay RG5 3036 000CN 1 3 PCA controller board RG5 3037 000CN 1 PCA controller board for HP CLJ 8550 MFP FG2 9470 000CN 4 PCA carousel motor M1 RG5 3084 020CN 1 5 PCA subrelay RG5 3085 000CN 1 6 PCA tray 1 RG5 1884 000CN 1 7 PCA ECO 2 assembly HP CLJ 8550 MPF FG6 3597 000CN Interface PCB assembly HP CLJ 8550 MPF FG2 9545 000CN Interface cable HP CLJ 8550 MPF FG2 9479 000CN IOT cable HP CLJ 8550 MPF FG2 9476 000CN ECO 2 cable HP CLJ 8550 MPF FG2 9543 000CN EN Illustrations and parts lists 559 2 000 sheet input unit components 2 000 sheet input unit covers and doors Figure 278 EN 560 Chapter 8 Parts and diagrams Table 84 2 000 sheet input unit cover and door parts Ref Description Part number Qty 71 Cover back RB2 2519 000CN 1 72 Cassette size labels RS5 8611 000CN 1 73 Cassette size plate RB1 6894 000CN 1 74 Casters XZ9 0442 000CN 4 75 Feed and separation rollers RF5 1834 000CN 2 76 Cover front with LED window RF5 2568 000CN 1 77 Cover left RF5 2646 000CN 1 78 Locating pin metal positioning RF5 2556 000CN 3 79 Tray 4 RG5 3845 000CN 1 80 Paper deck drive assembly RG5 3851 000CN 1 81 Paper deck drive bushing RS5 1399 000CN 1 82 Paper pick up assembly RG5 3843 000CN 1 83 Roller pick up RF5 1835 000CN 1 84 Plate paper limit back RG5 4201 000CN 1 8
201. sor assemblies 311 paper size switch assembly 312 pick up and feed system 201 power supply 199 309 471 printer model included with 22 quantity switch assembly 311 rear view 471 right cover 304 sensor test 475 sensors switches clutches and motors 200 standalone diagnostics 474 standalone running test 473 tension springs 313 troubleshooting 469 3 000 sheet stapler stacker and 3 000 sheet stacker attachment assembly 358 bins and covers 339 configuration 211 control panel messages 491 controller PCA 353 EN door assemblies 342 interlock switch 356 internal assemblies 342 jam detection 213 LED PCA 354 paper path 214 paper path sensors 213 power supply 212 355 printer model included with 22 safety switch 357 service mode 487 troubleshooting 482 500 sheet tray 2 printer model included with 22 A A3 sized media paper size detection switches 188 paper size detection switches 2 000 sheet input unit 202 See also media A4 sized media overriding with letter 87 paper size detection switches 188 paper size detection switches 2 000 sheet input unit 202 setting for wide 90 See also media A5 sized media paper size detection switches 188 See also media absorption of color 138 access denied 388 accessories available 22 information from HP FIRST 64 ordering 61 66 511 paper handling 44 parts list 512 accumulator assembly 214 accumulator assembly 3 000 sheet stapler stacker 347 acoustic emission specificat
202. ss SELECT when the choice you want is shown 3 Press Go to bring the printer online If no key is pressed for 30 seconds after the media is detected in the input tray the displayed size is automatically selected the message is cleared and printing begins Event log message None Action 1 Verify all cables are connected correctly 2 Turn the printer off and on to reset the printer EN Table 42 Unnumbered printer messages continued TRAY lt x gt EMPTY lt type gt lt size gt Description An input tray not currently selected has run out of media lt x gt Input tray number 2 3 or 4 lt type gt Last media type configured for the input tray lt size gt Last media size configured for the input tray TRAY lt x gt LIFTING Description The specified input tray is lifting the media into position for printing lt x gt Input tray number 2 3 or 4 TRAY lt x gt LOAD lt type gt lt size gt CHECK CONTROL PANEL SETTING Description A user has requested a media size and type combination that is not currently installed or configured in the printer This message is also generated when the current input tray runs out of media and no other auto selectable input trays contain that size and type of media lt X gt Input tray number 1 2 3 or 4 lt type gt Last media type configured for the input tray lt size gt Last media size configured for the input tray EN Event lo
203. ssemblies multi bin mailbox attachment 337 delivery head 210 331 flipper 210 319 metallic tape and housing 325 assembly accumulator 3 000 sheet stapler stacker 347 carriage 3 000 sheet stapler stacker and 3 000 sheet stacker 345 flipper 3 000 sheet stapler stacker and 3 000 sheet stacker 343 offset module 349 assistance See support attachment assembly 3 000 sheet stapler stacker and 3 000 sheet stacker 358 attachment assembly multi bin mailbox 337 Attention Indicator light 80 Automated Support Access Program ASAP 64 automatic paper override 87 axis adjusting neutral 461 B B4 sized media paper size detection switches 188 paper size detection switches 2 000 sheet input unit 202 B5 sized media paper size detection switches 188 See also media back cover 2 000 sheet input unit 300 multi bin mailbox 314 315 belts jams 480 replace frequency 119 transport 210 See also transfer belt bidirectional mode multi bin mailbox 206 binding 86 bins 3 000 sheet stapler stacker and 3 000 sheet stacker 339 bins See left face up output bin output bins top face down output bin black detail value 92 smooth value 92 black and white print speeds 23 black toner cartridge cam assembly 517 guide assembly 517 illustration 136 installing 100 EN location 118 replace frequency 119 switch 187 toner level detection 159 blind cover multi bin mailbox 210 BNC accessories 512 connection 76 port 76 T connector 77
204. t or output device configured Notice that the error format only identifies the C link device number and the device type it does not identify which input or output device is used in the system Error Device code type Error Device code 13 xy zz spe Error Device Device code number 65 xy ZZ type Jam condition Device 66 xy ZZ Operating number y error Device number Hardware malfunction Error format for paper handling 3 000 sheet stapler stacker troubleshooting 493 HP 3 000 sheet stapler stacker error messages Operating errors Table 52 Operating errors in the stapler stacker Event Control panel log error User Service Recommended messages message LED LED Description action hide N A Blinking N A Face up bin is full Remove paper from amber 125 sheets have the face up bin les print job been collected in or mopy in the face up bin progress mii N A Blinking N A Stapler bin is full Remove paper from amber 3 000 sheets have the stapler bin les print job been collected in or mopy in the stapler bin progress Or TER More than 1 500 sheets of 11 by 17 inch or A3 sized paper have been collected in the stapler bin N A N A N A Only 20 to 50 Refill the stapler staples remain N A Blinking Blinking A staple is jammed Clear the jammed amber yellow in the stapler staple one blink N A N A N A The cartridge is out Refill the stapler of staples
205. t through its travel 468 Chapter 7 Troubleshooting EN 2 000 sheet input unit troubleshooting EN This section provides a systematic approach to identifying the causes of malfunctions and errors in the 2 000 sheet input unit Ways to troubleshoot the unit In general there are three possible sources of malfunction the 2 000 sheet input unit itselt printer electronics the C link cable that connects the unit and the printer Begin troubleshooting 1 Print or display the error log Evaluate the error log for any specific error trends in the last 10 000 printed pages Print a configuration page to verify the proper installation of the paper handling accessories If any of the installed accessories are not shown on the configuration page check the corresponding cable connections Verify that the C link cable is correctly connected and functional Verify that DC power is available to the paper handling accessories If necessary use one of the following diagnostic tools to isolate the problem Status LED on the front of the unit Indicates the status of the unit see page 470 Service LED inside the back cover The pattern of flashing long and short isolates the problem see page 471 Standalone running test Tests whether the unit itself is functioning properly see page 473 Motor test Checks the motor to see if it is working properly see page 474 Sensor tests Checks the sensors to se
206. tage life remaining 94 replace frequency 119 resetting life count 92 transfer roller repetitive defects 465 transparencies automatic detection 179 for ink jet printers 37 parts list 513 print speeds 23 process 179 reducing curl 433 sensors 179 183 185 using 35 See also media transport belt multi bin mailbox 210 transport belt motor multi bin mailbox 209 210 322 tray 1 assembly 517 552 configuring 85 error feeding media from 382 illustration 136 last page sensor 183 185 location 41 paper path test 96 paper pick up 182 183 paper sensor 183 185 paper width sensor 182 pick up assembly 268 517 551 pick up roller 136 pick up roller clutch 189 pick up solenoid 189 removing 261 selecting mode 103 size 86 412 type 85 unknown media 411 See also trays tray 2 assembly 543 configuring 86 illustration 136 last page sensor 185 location 41 media size sensing PCA 296 paper level sensors 185 paper out sensor 185 paper path test 96 paper pick up 180 181 622 Index paper size detection switches 187 pick up solenoid 189 sensor 185 See also trays tray 3 assembly 542 configuring 86 illustration 136 location 41 media size sensing PCA 296 paper level sensors 185 paper out sensor 185 paper path test 96 paper pick up 180 181 paper size detection switches 187 sensor 185 See also trays tray 4 configuring 86 jams 394 removing 305 See also 2 000 sheet input unit trays tray pick up solenoid 181 trays capacities 31
207. the input tray The printer considers the input tray not to be configured EN Event log message None Action Configure the media type for tray 1 or remove the remaining media For more information about configuring the media type see page 104 Printer message troubleshooting 411 Table 42 Unnumbered printer messages continued TRAY 1 LOAD lt type gt lt size gt Description A user has requested a media size that is not currently installed in tray 1 lt type gt Last media type configured for the input tray lt size gt Last media size configured for the input tray TRAY 1 SIZE lt size gt Description This message is shown when media is placed in tray 1 and the tray is configured for Cassette Mode lt size gt Last media size configured for the input tray TRAY 4 COMM ERROR CHECK CABLES CYCLE POWER Description Communication with the 2 000 sheet input unit has been lost 412 Chapter 7 Troubleshooting Event log message None Action Load the media type and size specified on the printer control panel display After tray 1 is loaded the printer automatically brings itself online If the correct media type and size are loaded in tray 1 and the media does not feed into the printer verify that the printer control panel settings for tray 1 Cassette mode match the media type and size requested Event log message None Action 1 Press VALUE to view the choices 2 Pre
208. ting 2 Verify that PS30 PS10 PS11 and PS3 sensors and the surrounding area are clean TRANSFER KIT LOW REPLACE KIT Description The transfer drum transfer belt cleaning roller and charcoal filter are almost past their specified life The transfer kit has approximately 750 color or 1 000 black and white images remaining until the printer will signal the end of the kit life TRANSFER KIT OUT REPLACE KIT Description The transfer drum transfer belt cleaning roller and charcoal filter are past their specified life If TONER LOW is set to continue printing can continue with degraded print quality otherwise printing will be halted Event log message None Action Although printing can continue the transfer kit should be replaced for optimum printer operation Replace the transfer kit and reset the transfer counter by pressing SELECT before attempting to print or use the RESETS menu on the printer control panel Event log message None Action Replace the transfer kit and reset the transfer counter by pressing SELECT before attempting to print or use the RESETS menu on the printer control panel For more information about configuring the printer response to this message see the description of the TONER LOW setting on page 88 TRAY 1 CONTAINS UNKNOWN MEDIA Description Media was stacked in tray 1 for continuous manual feed printing and the job has been completed However media remains in
209. tion Remove all media from the left face up output bin of the printer to continue printing Event log message None Action 1 Open the front door of the printer open the clear door and swing the blue toner lock lever on the carousel to the right 2 Remove the toner cartridge and then reinstall it making sure the cartridge is all the way in the printer 3 Swing the blue toner lock lever on the carousel to the left until it clicks and then close the clear and front doors MAILBOX COMM ERROR CHECK CABLES CYCLE POWER Description Communication with the multi bin mailbox has been lost MAILBOX lt x gt OUTPUT BIN FULL Description A mailbox in the multi bin mailbox is full lt x gt Mailbox 1 through 8 MAILBOX NOT ATTACHED Description The multi bin mailbox is not correctly attached to the printer The printer will print to the top face down output bin when in this state EN Event log message None Action 1 Verify all cables are connected correctly 2 Turn the printer off and on to reset the printer Event log message None Action Remove all media from the multi bin mailbox to continue printing Event log message None Action Push the multi bin mailbox up against printer Printer message troubleshooting 403 Table 42 Unnumbered printer messages continued MANUALLY FEED lt type gt lt size gt Description The printer is requesting that a sheet of media or an en
210. tor J621 and relay connector J70 on the remaining color toner sensor Printer message troubleshooting 399 Table 42 Unnumbered printer messages continued INSTALL lt color gt continued 6 10 11 12 13 Make sure that the black toner cartridge is installed e Install the black toner cartridge if it is not installed e f the black toner cartridge is already installed turn the printer off reinstall the black toner cartridge and turn the printer on again Reconnect connectors J641 and J644 on the main relay PCA and connector J102 on the power supply Reconnect connector J227 on the controller board and connector J647 on the main relay PCA Check electrical continuity between connector J644 1 PBK and J644 2 PMP when the door switch SW644 is turned on If there is no electrical continuity replace the black toner cartridge on off switch Check the upper blue lever black toner cartridge lever on the printer Move the lever to the left Replace the lever if it is cracked Replace the black toner cartridge if it is deformed or damaged Replace the remaining color toner sensor Replace the controller board INSTALL FUSER LOWER LEFT DOOR Description The printer has detected that the fuser is not installed 400 Chapter 7 Troubleshooting Event log message None Action 1 Install the fuser and verify that it is working correctly Reconnect connector J26 on the fuser
211. ty paper and protect the paper from sunlight to help minimize discoloration e Environmental changes can cause color variation The development process places a high potential across an air gap to attract toner to the imaging drum Changes in relative humidity vary the point at which the toner travels to the imaging drum The Image formation troubleshooting 439 printer has a humidity sensor that adjusts operating parameters as the humidity changes to minimize the effects of environmental changes e All consumable components have a finite life span and as these components reach the end of their useful life their ability to produce consistent print quality diminishes When printing on transparencies OHT must be selected in the printer driver in order for the colors to be treated properly on the transparencies Color selection process The user selects the color in the application but the operating system might convert or modify some characteristics of the color before sending the information to the printer driver The printer driver might also modify color characteristics depending upon the selected output mode Any color characteristics not addressed by the printer driver or applications are set to the printer default The default color might not match the color the user selected Some applications such as Adobe PageMaker Illustrator and Photoshop bypass the printer driver altogether If color information is not sent
212. ulti bin mailbox jam 13 22 05 event log message Multi bin mailbox jam 20 INSUFFICIENT MEMORY Description More data has been received from the computer than fits in the printer s internal memory See CLEAR MAILBOX JAM in table 42 on page 392 See CLEAR MAILBOX JAM in table 42 on page 392 See CLEAR MAILBOX JAM in table 42 on page 393 See CLEAR MAILBOX JAM in table 42 on page 393 Event log message 20 00 00 Action No action is required Only the amount of data that fits in the printer s internal memory is printed If this error occurs frequently or if large or complex print jobs are often sent to the printer add more memory to the printer The optimum amount of memory is 128 MB 22 ElO lt n gt BUFFER OVERFLOW Description The EIO buffer has overflowed during a busy state This might happen if several complex jobs are sent simultaneously via the network and are larger than the overflow will allow lt n gt EIO slot number 1 Bottom EIO slot Event log message 22 00 01 Action No action is required The current data in the print buffer will be lost 2 Top EIO slot 22 PARALLEL I O Event log message 22 00 01 BUFFER OVERFLOW Description Action Indicates the parallel buffer has overflowed This might happen if several complex jobs are sent simultaneously via the parallel port and are larger than the overflow will allow No action is required The current dat
213. umbers Customer Care Centers 67 photo sensors 265 pick up motor description and illustration 176 location 171 pick up process See paper pick up pick up rollers 2 000 sheet input unit 204 printer 262 pick up unit cover sensor 185 paper sensor 178 185 pigments 36 138 139 pitch configuring PCL font 89 PJL operation failed 405 plain media See media point size for PCL font 89 616 Index ports BNC 76 LocalTalk 76 parallel 43 78 resetting I O 409 post charger HV module assemblies 288 removing 290 post charging unit illustration 136 process 147 POST error 387 PostScript PS configuring 88 errors 88 font list 83 fonts 23 memory full 409 personality support 23 power button 41 connection 42 consumption 24 cord connection 74 75 distribution circuit diagram 164 pack 75 requirements 24 switch 187 Power Save mode circuit 165 configuring 88 electrical specifications 24 fan operation 177 on 405 signal process 165 power supply 3 000 sheet Stapler Stacker and 3 000 sheet Stacker 212 3 000 sheet stapler stacker and 3 000 sheet stacker 355 circuit 167 removing 276 power supply 2 000 sheet input unit description 199 illustration 471 removing 309 power supply multi bin mailbox 317 power on self test POST error 387 power up sequence test multi bin mailbox 478 preconditioning exposure 136 143 preprinted media See media prepunched media See media primary charging 144 primary colors 138 EN print jobs
214. until the correct fuser is installed in the printer For information about ordering a fuser kit see page 511 Reconnect connector J222 on the controller board and connector J26 on the fuser Replace the controller board INPUT DEVICE PAPER PATH OPEN Description The VTU on the 2 000 sheet input unit is open INSTALL lt color gt Description The toner cartridge is not installed not correctly installed in the printer or not being detected by the cartridge sensor lt Color gt Cyan magenta yellow or black Caution Use the blue button to rotate the carousel to prevent damage to the printer EN Event log message None Action Close the VTU Event log message None Action Insert the cartridge or make sure the installed cartridge is correctly seated in the printer Note The color toner carousel will not rotate unless the following conditions are met e The blue toner lever is locked e The clear door is closed e The imaging drum is installed e The black toner cartridge is installed completely including removing the orange seal from the black toner cartridge and swinging the upper blue lever to the left e The right upper door is closed Turn the printer off and on to reset the printer If the cartridge is installed correctly check that the sensor PS1901C is functioning properly Clean the sensor with a toner wipe Reconnect connector J221 on the controller board and connec
215. ution ordering information 61 humidity automatic environment change control 159 sensor 159 sensor error 377 specifications 24 I O input output parallel advanced functions 91 resetting 92 resetting ports 409 switching 23 timeout 91 O Menu 91 identification of printer 38 illegal output error 379 image assurance area 34 image formation cleaning 150 cleaning roller charging 150 fusing 153 imaging drum cleaning 152 laser beam exposure 144 post charging 147 preconditioning exposure 143 primary charging 144 process 141 secondary transfer 148 troubleshooting 438 images resolution 23 troubleshooting defects 441 imaging drum cartridge 136 cleaning process 152 detecting expiration 154 error 396 illustration 136 installing 124 kit 124 laser beam exposure 144 life out 397 610 Index location 118 not installed 401 preconditioning exposure 143 primary charging 144 repetitive defects 467 replace frequency 119 switch 187 Information Menu 83 initializing ElO accessory 397 hard disk 407 printer hard disk 88 input feed error 379 input paper guide multi bin mailbox 210 323 input trays See 2 000 sheet input unit tray 1 tray 2 tray 3 tray 4 trays input output I O See I O input output inside left panel 230 installing air filters 124 black toner cartridge 100 cables 74 75 charcoal filter 120 consumables 98 119 DIMMs 106 fuser kit 127 imaging drum 99 imaging drum kit 124 parts 217 printer on network 76
216. velope be manually fed lt type gt Media type specified in the printer driver or application lt size gt Media size specified in the printer driver or application MEMORY SHORTAGE PAGE SIMPLIFIED Description The printer is compressing the print job so that all of the job will fit into the available printer memory The print job s appearance might be altered by the compression of the data Event log message None Action Load the requested media type and size into tray 1 If the proper media is already loaded into tray 1 press Go to initiate printing Event log message None Action 1 If possible simplify the print job by lowering the resolution of graphics Install more printer memory For more information about printer memory options see page 511 NO JOB TO CANCEL Description CANCEL JOB was pressed and there is no job to cancel Event log message None Action No action is required NO JOBS PENDING Description While in the Proof and Print Menu ITEM was pressed and there are no pending proof and print jobs Event log message None Action No action is required OFFLINE Description The printer is offline 404 Chapter 7 Troubleshooting Event log message None Action Press Go to bring the printer online EN Table 42 Unnumbered printer messages continued OUT OF MEMORY JOB CLEARED Description The printer personality for the current job could
217. wir ms T 2 ie Li a ean he Hi 3 ie BA t eras Ar oy hagas iba pices yea ce AK E kania Tp Hg ie L Figure 231 Hot offset glossy paper or transparency See page 455 for a resolution to this print defect 450 Chapter 7 Troubleshooting M Leading edge AN Figure 232 EN gab TE a shi Fading resulting from broken transfer guide See page 455 for a resolution to this print defect Image defects troubleshooting 451 Color plane registration See figure 224 on page 443 for an example of this print defect Poor color plane registration is characterized by bleeding colors by apparent gaps in color and by colors offset from each other or from black The examples on page 443 show all three types Inthe upper left yellow is offset from colors that use yellow e Inthe upper right colors are offset from black causing a noticeable gap At the bottom the double line is caused by black offset from colors Use the troubleshooting list below to resolve poor color plane registration If the problem still exists after you complete step 1 try step 2 If step 2 fails to solve the problem try step 3 and so on 1 Check manufacturing codes on toner cartridges if the problem appears after replacing a color toner cartridge see Toner cartridge manufacturing codes on page 456 2 Check the green handle see figure 252 on page 524 reference 6 the locki
218. x 10 3D Screw Torx T20 M4 x 12 3E Screw Torx Tapping T10 3F Screw Caster C4785 60529 Flipper assembly with cable request 281 32 C4785 60531 Multi bin mailbox short C link cable adapter extension C4785 60532 Multi bin mailbox controller with metal box 280 29 C4785 60534 Multi bin mailbox assembly 280 28 product number C4785A Note You must have a 2 000 sheet input tray in order to install a multi bin mailbox C4785 69519 Exchange multi bin mailbox assembly 280 27 NOTE You must have a 2 000 sheet input unit in order to install a multi bin mailbox C4787 60503 Multi bin mailbox shipping lock kit C4788 60501 Flipper assembly 284 9 C4788 60502 Accumulator assembly stapler stacker 284 20 C4788 60503 Carriage assembly stapler stacker 284 13 C4788 60505 Front cover 283 1 C4788 60507 Stapler door assembly with label for stapler 283 6 stacker C4788 60508 Controller PCA cover with label for stapler 283 7 stacker C4788 60509 Stapler controller PCA stapler stacker 284 18 C4788 60511 Power supply 284 17 C4788 60512 Face up bin 283 4 C4788 60514 Interlock 284 21 C4788 60515 Stationary caster 284 16 C4788 60516 Adjustable caster 284 15 C4788 60519 Stapler stapler stacker 284 11 C4788 60521 Wings kit stapler stacker 284 C4788 60522 Stapler refill housing 284 12 578 Chapter 8 Parts and diagrams EN Table 91 Numerical parts list continued
219. y 1 Cover assembly inner left RG0 0104 000CN 1 2 Cover inner 2 RA0 0026 000CN 1 3 Cover inner 3 RA0 0027 000CN 1 4 Cover inner 4 RFO 0013 000CN 1 4A Label CAUTION RS5 8380 000CN 1 5 Waste toner tray RB1 9804 000CN 1 6 Latch roller action RF0 0003 000CN 1 7 Media jam knob RB1 9928 000CN 1 10 Cover waste toner tray RA0 0083 000CN 1 EN Illustrations and parts lists 527 Internal components Internal components 1 of 6 Figure 254 EN 528 Chapter 8 Parts and diagrams Table 63 Internal components parts 1 of 6 Ref Description Part number Qty 2 PCA photosensor RG5 3080 000CN 1 3 Plate duct mount RF5 2036 000CN 1 4 Duct rear lower air RB1 9401 000CN 1 6 Carousel stop assembly RG5 3053 000CN 1 8 PCA fusing delivery sensor RG5 3992 000CN 1 11 Cover carousel stop RB1 9789 000CN 1 15 Connector holder assembly RG5 3031 000CN 1 16 Cable main RG5 3097 000CN 1 18 Cable sensor RG5 3144 000CN 1 19 Cable DC power RG5 3921 000CN 1 20 Cable power signal RG5 3922 000CN 1 21 PCA cartridge release lever RG5 3961 000CN 1 25 Power supply assembly 110 V RH3 2185 000CN 1 Power supply assembly 220 V RH3 2187 000CN 30 Switch toner cartridge cover SW672 WC4 5150 000CN 1 140 Face up solenoid assembly RG5 3022 000CN 1 EN Illustrations and parts lists 529
220. y The options are listed below BLACK SMOOTH VALUE MAGENTA SMOOTH VALUE BLACK DETAIL VALUE MAGENTA DETAIL VALUE CYAN SMOOTH VALUE YELLOW SMOOTH VALUE CYAN DETAIL VALUE YELLOW DETAIL VALUE c Press VALUE until the number recorded in step 3c appears on the display d Press SELECT to enter the number into the printer memory e Repeat steps 4a through 4d to adjust the color screens as necessary Reprint the color adjust page Examine the new color adjust test page and verify that the color adjustment is correct e Verify that each of the color ramps black cyan magenta and yellow matches the background for each color and has a red arrow next to the circle If another circle matches the background more closely return to step 4 to reset the values on the printer control panel to the number shown in that circle e Verify that the circles in the neutral axis areas of the color adjust test page are neutral gray gray without a color tint and then verify that one of the circles in the ramp Is a color very close to the background If the circles are not neutral gray additional corrections to cyan magenta or yellow might be necessary If there is an overall tint of color in the circles make the adjustments suggested by the following table However the most accurate correction is determined by the circles in the individual black cyan magenta and yellow ramps 460 Chapter 7
221. y 541 DIMMs 512 drum kit 513 drum cartridge drive assembly 540 EIO 512 EIO hard disk 512 feeder assembly 550 fixing assembly 558 formatter board 515 fuser kits 513 internal components 529 internal hard disk 512 lower cassette assembly 542 media 513 memory 512 multi bin mailbox components 565 567 569 multi purpose tray assembly 552 multi purpose tray pick up assembly 551 network 512 numerical 574 paper handling accessories 512 paper pick up assembly 547 PCA assemblies 559 printer supplies 513 reference materials 514 registration frame assembly 548 registration roller assembly 549 Index 615 toner cartridges 513 transfer assembly 555 transfer kits 513 upper cassette assembly 543 PCAs assemblies 559 carousel motor 282 developer imaging drum bias supply 289 high voltage power supply 291 main relay 293 power supply circuit 167 separation discharge high voltage converter 295 subrelay 252 tray 2 and tray 3 media size sensing 296 PCAs 2 000 sheet input unit controller 307 front LED 308 PCAs 3 000 sheet stapler stacker and 3 000 sheet stacker controller 353 LED 354 PCAs multi bin mailbox controller 327 diagnostic LED 335 user status LED 336 PCBs See PCAs PCAs 2 000 sheet input unit PCAs multibin mailbox PCL printer command language configuring 88 configuring font information 89 memory full 405 personality support 23 printing font list 83 symbol sets 90 personalities configuring 88 supported 23 phone n

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