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HP LaserJet 4200/4250/4300/4350 series Printers Service Manual

Contents

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9. Figure 8 5 Covers 458 8 Parts and diagrams Covers Table 8 7 Covers Ref o wo oo 12A 12A 13 13 13 13 13 13 13 13 13 13 13 13 Description Cover left LJ 4200 4300 Cover left LU 4250 4350 Cover formatter Cover paper handling Cover legal LU 4200 4300 Cover legal LU 4250 4350 Cover duplexing LJ 4200 4300 Cover duplexing LJ 4250 4350 Cover assembly right LU 4200 4300 Cover assembly right LU 4250 4350 Spring leaf grounding top Cover LJ 4250 4350 only Cable control panel LJ 4200 4300 Cable control panel LJ 4250 4350 Cover assembly top LJ 4200 4300 Cover assembly top LJ 4250 4350 Cover assembly front Cover rear output bin Cover cartridge door LJ 4200 Cover cartridge door LJ 4300 Cover cartridge door LJ 4250 4350 Control panel assembly LJ 4200 4300 Control panel assembly LJ 4250 4350 Overlay control panel Turkish LU 4200 4300 Overlay control panel Hebrew LJ 4200 4300 Overlay control panel Greek LJ 4200 4300 Overlay control panel EN FR DE IT LJ 4200 4300 Overlay control panel EN CS HU PL LJ 4200 4300 Overlay control panel NO SW FI LJ 4200 4300 Overlay control panel IT ES PT SP LJ 4200 4300 Overlay control panel EN RU LJ 4200 4300 Overlay control panel EN AR LJ 4200 4300 Overlay control panel EN FR DE NL LJ 4200 4300 Overlay control panel EN LJ 4250
10. iri i m 7 29 HP LaserJet 4350 wiring diagra Figure 7 iri iagrams Printer and accessory wiring diag 429 500 sheet feeder wiring diagram 608P AY Josuas 926 Yns yoe s ledeg 0 eu k Josuas u01 99 p 1 ded N M Z d k081d SNS1A1ddO ANO H01N1ddo SNSddO ANO YdddO Yous uonoajap azis Jaded L08MS g E CO 9087 Ooo UUZO opon NN N AN N nn o ze 2 an wm 62 8 18 0334d0 cosr ep Jaded Jo Japeey Jaded ot arogr garosr K J varosr L pleat ejz k08p Od 181Up Japaay Jadeg LOSIN Jojow Jeu L081S plouajos dn y21d Japaa Jade 4 vazosr T gazogr azosr Jepea Jaded Jo Jajuud ot Figure 7 30 500 sheet feeder wiring diagram 7 Troubleshooting 430 1 500 sheet feeder wiring diagram Josuas uojoejep sedeg Josuas a0ejins Yoe s Jadeq a 0 x to o 9004F SNS1X3d AND E9ASd SNS1 1d ONS Z9ASd Yous uo1j2a ap azis Jade a o lt cooLr AND E3ZIS SYI 23ZIS SVI k3aZIS SVI J0jow J347 KIS plouajos dn yoid yoap Jade
11. ALS puodas Mun siaded om Duudes Jo yeyo bBulwil e 442 8 Parts and diagrams Chapter contents Chapter contents Ordering parts and supplies Consumables and accessories Covers Internal components Accessories Alphabetical parts list Numerical parts list 443 Ordering parts and supplies This section contains information about how to order parts and supplies for this device Parts This chapter contains field replaceable unit FRU and accessory part numbers Replacement parts can be ordered from the HP Services Go to htip www hp com go parts for information about ordering service parts in your area Go to http www hp com go partsinfo for the online HP service parts identification tool HP PartSurfer A CAUTION Use only the parts and accessories that have been specifically designed for this printer Order accessories from an authorized HP service or support provider or online at http www hp com E NOTE Parts that have no item number or part number listed are not field replacement parts and cannot be ordered Related documentation and software Order documentation and software from the companies that are listed in the following table some documentation and software is available at the following Web sites Table 8 1 Technical support Web sites HP Channel Services Network CSN for HP partners http www hp com partners csn HP CSN is an In
12. Print quality problems that are related to jams m Make sure that all media is cleared from the paper path m If the printer recently jammed print two or three pages to clean the printer a Repeated jams might require that you use the printer cleaning procedures in chapter 3 It might be necessary to process several cleaning pages through the printer See Running the cleaning page manually 7 Troubleshooting Image defects This section helps you define print quality problems and solutions Often print quality problems can be resolved by making sure that the printer is correctly maintained using print media that meets HP specifications or running a cleaning page Ex NOTE Do not use letterhead paper that is printed with low temperature inks such as those that are used in some types of thermography Do not use raised letterhead The printer uses heat and pressure to fuse toner to the media Make sure that any colored paper or preprinted forms use inks that are compatible with the printer s temperature of 230 C 446 F for 0 05 second Avoid using paper that has already been used in a printer or copier Also do not print on both sides of envelopes transparencies or labels Image quality When you are working with customers obtain a print sample before you begin troubleshooting their printer Ask the customer to explain the quality that is expected from the printer The print sample will also help clarify the imag
13. alternates with CHOSEN PERSONALITY NOT AVAILABLE To continue press Y The printer job language PJL encountered a request for a personality that did not exist in the printer The job is aborted and no pages print 1 Press Hep button for detailed information 2 Press 4 Up Arrow button and Y Down Arrow button to step through the instructions CLOSE TOP COVER For help press DATA RECEIVED To print last page press Y The top cover is open or the top cover switch SW101 is defective The printer received data and is waiting for a form feed When the printer receives another file the message should disappear 1 Press HELP button for information 2 Close the top cover 3 Replace the top cover switch SW101 See Printer switches and sensors Press Y Select button to continue DETECTABLE SIZE IN TRAY XX For help press alternates with DETECTABLE SIZE IN TRAY XX Recommend move switch to STANDARD A tray has been loaded with media that is a standard size and the switch in the tray is set to custom 1 Press Herr button for detailed information 2 Press A Up Arrow button and Y Down Arrow button to step through the instructions DISK DEVICE FAILURE alternates with Ready For menus press Y A device failure has occurred on the specified drive 1 Printing can continue for jobs that do not require access to the disk drive 2 Press
14. Replace the stapler unit staple cartridge See Stapler stacker stapler assembly The stapler unit is defective Replace the stapler unit See Stapler stacker stapler assembly The print job contains more than one paper size When using the stapler stacker limit the print job to a single page size The stapler stacker PCA is defective Replace the stapler stacker 7 Troubleshooting Component errors E NOTE When component errors occur a control panel message appears on the control S panel display For more information about these messages see Alphabetical printer messages and Numerical printer messages Table 7 45 Component error troubleshooting Possible cause Recommended action s The jogger mechanism or motor M1102 is defective stapler stacker only Inspect the jogger mechanism See Stacker and stapler stacker motors and solenoids If necessary replace the stapler stacker The paddle mechanism or motor M1101 is defective stapler stacker only The stapler mechanism or motor M1104 is defective stapler stacker only m Inspect the paddle mechanism See Stacker and stapler stacker motors and solenoids If necessary replace the stapler stacker m The stapler stacker PCA is defective Replace the stapler stacker The stapler unit has failed Replace the stapler unit See Maintaining the stapler unit m The stapler stacker PCA is defect
15. gagzir ITOT ey 1osuas maaszir Ja s e lz i aalay 97 d i Hele Tale h l Pesto e Ee SS a eur LUNA ONIXIS marwair Jo s r e z i 98 SCH I ou pwer P Els l I ger HMT8ZLP I I T l z I our I Pe ee ara a 7 A LOLNS Water r gasokr gisor Jayoe s de S 10 Jayoe g I anezi Lu un Beer Meodwo l L z1as l I I juewuomuz z uia I TI SY Nan fe EIERE ano l 5 Z vape ONO E 8 l D l S inosdo l sojow ven Kg 2 nara H NY2 fa 7 I l A I l l NISdO r SE TNYO fE 9 I z T rid e z ENER I 3 NGA ANO r S Od Jenup eme aide N z C 7O H e AT l nakal I 3 DOV JO g9d JAAP eyes L IL T SEIT Ef l l g d JAP 7 Plano NOMA a z l p pej gt x Ep Buwadng vc z I SSE a a l I yun 6ux jdn o ONG a e e H ixajang l z vAve 5 i I dl z 80LSd 6 ANO tonr l D z l aari Josues l Zer 96r I bak IHL fienppieded vagotr vigoir l 1 IT l l agorr Tantr Figure 7 26 HP LaserJet 4200 wiring diagram 7 Troubleshooting 426 HP LaserJet 4250 wiring diagram
16. 3 Replace the print cartridge motor See Print cartridge motor HP LaserJet 4250 4300 4350 series printer only 4 Replace the dc controller PCA See Dc controller PCA 59 2 Main motor Rotation error The main motor is not functioning correctly 1 Turn the printer off and then on 2 Reconnect the main motor wire harness on the dc controller PCA location J98 3 Replace the main motor See Main motor 4 Replace the dc controller PCA See Dc controller PCA 59 4 Print cartridge motor rotation error LJ 4250 4300 4350 only The print cartridge drive motor LJ 4250 4300 4350 only is not functioning properly 1 Turn the printer off and then on 2 Replace the print cartridge 3 Reconnect the print cartridge motor wire harness on the dc controller PCA location J86 4 Replace the print cartridge motor See Print cartridge motor HP LaserJet 4250 4300 4350 series printer only 5 Replace the dc controller PCA See Dc controller PCA 7 Troubleshooting Table 7 7 Numerical printer messages continued Recommended action Control panel message Description 60 2 printer error The tray 2 lifter motor is not functioning 1 2 Turn the printer off and then on If the error persists turn the printer off Verify that the tray 2 lifter wire harness is full seated in its connector on the dc controller PCA location J93 Replace the tray 2 lifter driver assem
17. 51 XY PRINTER ERROR To continue turn off then on A printer error has occurred X Description 1 beam detect error 2 laser error 1 Dress Y SeLecT button to continue 2 Turn the printer off and then on 3 Reseat the connectors between the laser scanner and dc controller PCA J83 and J84 4 Replace the laser scanner assembly See Laser scanner assembly 5 Replace the dc controller PCA See Dc controller PCA 52 XY PRINTER ERROR For help press alternates with 52 XY PRINTER ERROR To continue turn off then on A printer error has occurred X Description 0 scanner error 1 scanner startup error 2 scanner rotation error 1 PressY SevecT button to continue 2 Turn the printer off and then on 3 Reseat the connectors between the laser scanner and dc controller PCA J83 and J84 4 Replace the laser scanner assembly See Laser scanner assembly 5 Replace the dc controller PCA See Dc controller PCA 53 XY ZZ PRINTER ERROR To continue press cancel job Display message troubleshooting An error occurred in the printer memory X DIMM Type 0 ROM firmware DIMM 1 RAM Press Cancet Jos If the problem persists replace the DIMM card in the specific slot See Firmware DIMM LJ 4200 4300 only 357 Table 7 7 Numerical printer messages continued Control panel message Description Recommended action Y Device Location 1 DIMM Slot 1 2 DIMM Slot
18. The embedded Web server has three tabs that contain settings for and information about the printer the Information tab the Settings tab and the Network tab Click the tab that you want to view See the following sections for more information about each tab Information tab The Information tab contains the following pages Device Status Shows the printer status and the life that remains in HP supplies 0 represents that a supply is empty This page also shows the type and size of print media set for each tray To change the default settings click Change Settings Configuration page Shows the information that is contained on the printer Configuration page Troubleshooting tools 315 Supplies Status Shows the life that remains in HP supplies 0 represents that a supply is empty This page also provides supplies part numbers To order new supplies click Order Supplies in the Other Links area on the left side of the window To visit this or any Web site you must have Internet access Event log Shows a list of all printer events and errors Usage page Shows a summary of the number of pages the printer has printed grouped by size and type this page is only available if an optional hard disk is installed Device Information Shows the printer network name address and model information To change these entries click Device Information on the Settings tab Settings tab Use the Settings tab to configure the printer from
19. The following sections describe how to troubleshoot problems in the paper path Overview If a jam message appears on the printer control panel display look for jammed paper or other print media in the locations that are indicated in the following figure Then see the tables in this section for information about clearing the jam You might need to look for media in locations other than those specified in the jam message If the location of the jam is not obvious look first in the top cover area underneath the print cartridge When clearing jams be very careful not to tear the jammed media If a small piece of media is left in the printer it could cause additional jams If jams are a recurring problem see Persistent jams E NOTE After you have cleared the jammed media you must open and then close the top cover to clear a jam message te Eve i O Figure 7 7 Jam locations 1 Top cover and print cartridge areas 2 Optional envelope feeder 3 Tray areas tray 1 tray 2 and optional trays 4 Optional duplexer 5 Fuser area 6 Output areas top rear and optional stacker or stapler stacker 7 Optional stacker or stapler stacker Ex NOTE Loose toner might remain in the printer after a jam and cause poor print quality Print quality will improve after a few pages are printed Paper path troubleshooting 365 366 Jam recovery This printer can automatically provide ja
20. The fuser roller is worn or dirty Replace the print cartridge Process a printer cleaning page See Running the cleaning page manually Several pages might be required if the fuser is very dirty If the problem persists replace the fuser See Fuser The static eliminator teeth just beyond the transfer roller are contaminated or defective Light is leaking into the printer Clean the static eliminator teeth by using a small brush or compressed air Replace the assembly if it is damaged Make sure that all of the covers are in place Move the printer away from windows that face the outdoors 387 Table 7 24 Lines continued OB ciBkLi gt a ABCO OB OB Possible cause Recommended action s Horizontal lines parallel to the paper path direction If the lines are repeated at a consistent interval down the page a repetitive defect exists Use the repetitive defect ruler to determine the cause of this defect See Repetitive defects troubleshooting Continued Table 7 25 Grey background Sharp random lines indicate a problem with the laser scanner control circuitry 1 Check the cables between the dc controller and the laser scanner assembly 2 If the cables are not connected connect the cables 3 If after checking the cables between the dc controller and the laser scanner the problem persists replace the laser scanner assembly See Laser s
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22. EIN xj xj EFEEPFE yaqszip FOLL d ZOLLSd S p 2 H Josuas Ip Josuas cOLLIS LOLLIS Jeded GK Buibebuasip N T 49101 ene jousjos dwe JOUBJOS J0jpa ja EI Pious ID proual naag 5 ars Li He epel Belle EAR ile le lv l la LOLLSd Gapan 2205 a Josuas uohisod awoy ajppedq o DD LOLLMS Vous 100q Figure 7 35 Stapler stacker accessory wiring diagram 435 Printer and accessory wiring diagrams Dc controller connectors diagram Figure 7 36 Dc controller connectors diagram 436 7 Troubleshooting General timing diagrams The following sections contain timing diagrams for the printer General timing diagrams 437 g xosddy bs ka S xojddi g Odd o g xolddy lt gt ZH LH 1929y Bus seq jug Sg jaays usamag serq wy Du Eet ml KI LO xoddy gt S 9 0 xoiddy kL Xorddy S o mod Ivo HS pa H log xoddy seig Buibieyo Jaysuei __ IS 410 Xosddy Een Sold en xouddy oa seg Buidojeneq RW 9 ezo xolddy agay seq enjebon Ov serq Buidojanaq 7 24 seiq Buibieyo Mewud ov seiq Buibaeyo Arewug Pana 2 0 Xoiddy F01Sd 10suas jin Jaded Kei umop a0e4 iagram et xoiddy 801Sd 10suas Jaded Aanjap yun Bus CL xoddy F0 xosddy JL 901Sd Josuas Yipim Joch Z O Xorddy s OLSd Josuas abed jo doy z 80
23. LJ 4250 4350 110V RM1 1082 000CN Fuser LJ 4200 220 V RM1 0014 140CN Fuser LJ 4300 220 V RM1 0102 200CN Fuser LJ 4250 4350 220 V RM1 1083 000CN Consumables and accessories 453 454 Assembly locations 1 of 3 Ref Description Details 1 500 sheet universal replacement tray See Figure 8 14 500 sheet feeder 1 of 2 2 Feed roller assembly See Figure 8 11 Feed roller assembly 3 Registration assembly See Figure 8 6 Internal components 1 of 3 8 Parts and diagrams Assembly locations 2 of 3 Details Description Ref See Figure 8 9 Electrical components Power supply assembly See Figure 8 8 Internal components 3 of 3 Delivery assembly See Figure 8 8 Internal components 3 of 3 Fuser assembly See Figure 8 12 Tray 1 pickup assembly Tray 1 pickup assembly 455 Consumables and accessories 456 Assembly locations 3 of 3 Ret Description Details 8 Duplexing pendulum assembly See Figure 8 8 Internal components 3 of 3 9 Main drive assembly See Figure 8 10 Main drive assembly 10 Paper pickup drive assembly See Figure 8 7 Internal components 2 of 3 11 Lifter drive assembly See Figure 8 8 Internal components 3 of 3 8 Parts and diagrams Consumables and accessories 457 13 100 127V
24. SL1101 2 Paddle mechanism and motor stapler stacker only M1101 3 Jogger mechanism and motor stapler stacker only M1102 4 Clamp solenoid stapler stacker only SL1102 5 Feed mechanism and motor M1103 Accessory component locations 423 424 Stacker and stapler stacker PCAs Figure 7 25 Location of the stacker and stapler stacker PCAs 1 Stacker or stapler stacker driver PCA 2 Stacker or stapler stacker LED PCA 7 Troubleshooting Printer and accessory wiring diagrams The following sections contain wiring diagrams for the printer and its accessories Printer and accessory wiring diagrams 425 HP LaserJet 4200 wiring diagram CH eS eS a a ee ia l g9d 13 01 u09 capi Japa a doj aug yoap Jaded 10 Japaay Jaded
25. To find the RESETS submenu use the control panel to open the CONFIGURE DEVICE menu see Using the control panel Items on the Resets submenu are used to return settings to the defaults and to change settings such as PowerSave Sleep The following section lists the settings and their possible values in the RESETS submenu The default value for each setting is the one that has an asterisk next to it Table 7 3 Resets submenu Item Values Explanation RESTORE FACTORY SETTINGS No values available Performs a simple reset and restores most of the factory default settings This item also clears the input buffer for the active I O Restoring factory settings does not affect the network parameter settings on the optional HP Jetdirect print server CAUTION Restoring memory during a print job cancels the print job POWERSAVE OFF ON Turns the PowerSave Sleep mode on HP LaserJet 4200 4200L 4300 only or off The PowerSave Sleep mode affects the printer in two ways SLEEP HP LaserJet 4250 4350 only a Minimizes the amount of power that the printer consumes when it is idle m Reduces wear on the electronic components in the printer for example it turns off the display backlight although the display can still be read The printer automatically leaves the PowerSave Sleep mode when you send a print job press a printer control panel button open a tray or open the top cover You can set the amount of time th
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27. solenoids and PCAs or 1 500 sheet feeder switches sensors solenoids and PCAs Verify that the sensor fingers inside the tray are engaging the tray sensor correctly See Tray 2 500 sheet feeder and 1 500 sheet feeder media size detection TRAY XX lt TYPE gt lt SIZE gt Size specified by user alternates with TRAY XX lt TYPE gt lt SIZE gt To change type press Y The printer is reporting the current configuration of tray XX The tray switch is in the Custom position 1 To change the media type press Y Select button Use 4 Up Arrow button and Y Down Arrow button to scroll to the type and then press Y to select it 2 To change the media size to Letter A4 Executive B5 JIS A5 or Legal set the tray switch to the Standard position and adjust the media guides to the correct positions 3 To change the media size to other sizes leave the tray switch in the Custom position adjust the media guides against the stack and close the tray 4 Select the Paper Handling menu from the control panel Configure the size and media type for the tray 7 Troubleshooting Table 7 6 Alphabetical printer messages continued Control panel message Description Recommended action Unable to store job A job cannot be stored because of a 1 Install additional memory in the printer memory disk or configuration problem or install a disk drive in the printer See lt JOBNAME gt Firmw
28. 1 Remove the power supply 2 Measure the resistance between the two terminals of the power switch SW1 by applying the tester probes to the terminals The resistance must be low under 1 KW when the power is turned on and high over 6 MW when the switch is turned off 3 Replace the power supply assembly if necessary The overcurrent overvoltage detection Wait for more than two minutes before turning the printer back on circuit is activated A fuse is blown 1 Check the fuses FU1 and FU2 on the power supply 2 Replace the power supply assembly if necessary The main cooling fan located on the An operational fan indicates the following conditions left side of the printer does not turn on when the printer is started m The ac power is present in the printer m The dc power supply is functional 24 V 5 V and 3 3 V are being generated m The dc controller s microprocessor is functional If the fan is not working 1 Turn the printer off and remove the formatter Disconnect the optional accessories 2 Turn the printer on and check the fan again If the fan is still not working 1 Verify that the fan is connected to the power supply 2 Replace the fan See Main cooling fan left side Troubleshooting process 307 Table 7 2 Power on defect or blank display continued Problem Action 3 Replace the power supply assembly See Power supply 4 Replace the dc controller See Dc controller PCA N
29. 1 st 7 Troubleshooting 410 we 7 KA Figure 7 12 Location of the main printer parts 3 of 4 1 Transfer roller 2 Tray 1 pickup roller 3 Separation pad Printer component locations 411 S x N Figure 7 13 Location of the main printer parts 4 of 4 1 Pickup roller 2 Feed roller 3 Separation roller in the tray 412 7 Troubleshooting Printer switches and sensors PS109 rege D I os S A PS103 en PS102 pen PS105 Figure 7 14 Location of the printer switches and sensors SW101 Top cover open switch SW102 Paper size switch PS101 Tray 2 paper sensor PS102 Pre feed sensor PS103 Top of page sensor PS104 Output bin full sensor PS105 Tray 1 paper sensor on the tray 1 pickup assembly PS106 Paper width sensor 1 PS107 Paper stack position sensor PS108 Fuser assembly delivery sensor PS109 Paper width sensor 2 LJ 4250 4350 only TH2 Fuser temperature sensor LJ 4250 4350 only Printer component locations 413 Printer motors and fans Figure 7 15 Location of the printer motors and fans 1 Main cooling fan 2 Main drive motor 3 Right side cooling fan HP LaserJet 4250 4300 4350 only 4 Print cartridge motor HP LaserJet 4250 4300 4350 only 5 Lifter drive motor El 414 7 Troubleshooting Printer PCAs Figure 7 16 Location of the printer
30. 2 3 DIMM Slot 3 4 DIMM Slot 4 ZZ Error Number 0 unsupported memory 1 unrecognized memory 2 unsupported memory size 3 failed RAM test 4 exceeded maximum RAM size 6 invalid DIMM speed 54 1 Remove the sealing tape from toner cartridge The print cartridge was installed with the sealing tape in place 1 Remove the sealing tape from the print cartridge 2 Replace the print cartridge 55 X PRINTER ERROR For help press alternates with 55 X PRINTER ERROR To continue press Y The dc controller is not communicating with the formatter The problem could be caused by a timing error or an intermittent connection 1 Press Y SeLect button to continue 2 Turn the printer off and then on 3 Reseat the connectors between the dc controller PCA and the formatter 4 If the problem persists replace the dc controller PCA See Dc controller PCA 5 Replace the formatter See Formatter assembly 56 1 printer error To continue turn off then on An unknown input device is installed 1 Tum the power off and then on 2 Reinstall all input trays 3 Remove all non HP paper handling devices 56 2 printer error To continue turn off then on An unknown output device is installed 1 Tum the power off and then on 2 Reinstall the stacker or stapler stacker 3 Remove all non HP paper handling devices A printer fan is not functioning Turn the printer off and then on 7 Troubl
31. 4250 4350 Cable flat J81 J51 LU 4250 4350 Screw w washer m3x8 Screw w washer m4x6 Part number RM1 0019 050CN RM1 0020 000CN RM1 1070 000CN RM1 1071 000CN RM1 0107 000CN RM1 0108 000CN RM1 0025 040CN RG1 4209 000CN RM1 1218 000CN RG1 4230 000CN RM1 1219 000CN RG1 4222 000CN VS1 7333 006CN XA9 1500 000CN RK2 0290 000CN RK2 0288 000CN XA9 1420 000CN XB2 7400 606CN Qty Internal components NOTE Flat cables for LJ 4200 4300 are wired to the power supply assembly and are not available separately 475 476 Figure 8 10 Main drive assembly 8 Parts and diagrams Table 8 12 Main drive assembly Ref Internal components Description Main drive assembly LJ 4200 4300 Main drive assembly LJ 4250 4350 Arm cartridge release Part number RM1 0001 030CN RM1 1066 000CN RC1 0003 000CN 477 Figure 8 11 Feed roller assembly 8 Parts and diagrams Table 8 13 Feed roller assembly Ref Internal components Description Feed roller assembly Clutch CL101 LJ 4200 4300 Clutch CL101 LJ 4250 4350 Gear 30t E ring LJ4200 4300 E ring LJ4250 4350 Part number RM1 0012 020CN RH7 5358 000CN RK2 0349 000CN RU5 0050 000CN XD9 0137 000CN XD9 0234 010CN Qty 479 Figure 8 12 Tray 1 pickup assembly 8 Parts and diagrams 480 Table 8 14 Tray 1 pickup assembly Ref Description Part number Qty Tray 1
32. 4300 RG1 4231 000CN 1 27 Paper delivery assembly RM1 0026 040CN 1 28 Duplexing pendulum assembly RM1 0002 020CN 1 29 Lifter drive assembly LJ 4200 4300 RM1 0033 020CN 1 29 Lifter drive assembly LJ 4250 4350 RM1 1074 000CN 1 30 Tray 1 pickup assembly LJ 4200 4300 also see Figure 8 12 RM1 0004 060CN 1 Tray 1 pickup assembly 30 Tray 1 pickup assembly LJ 4250 4350 also see Figure 8 12 RM1 1097 000CN 1 Tray 1 pickup assembly 501 Screw tapping pan head m4x10 XB4 7401 007CN 4 502 Screw tapping truss head m4x16 XB4 7401 605CN 2 472 8 Parts and diagrams Internal components 473 474 3 S A J150 7 gt o ig Ro 501 J124D 5 SS Figure 8 9 Electrical components 8 Parts and diagrams Table 8 11 Electrical components Ref 501 Description Power supply assembly 110 127 V LJ 4200 Power supply assembly 220 240 V LJ 4200 Power supply assembly 110 127 V LJ 4250 4350 Power supply assembly 220 240 V LJ 4250 4350 Power supply assembly 110 127 V LJ 4300 Power supply assembly 220 240 V LJ 4300 Feed assembly Cable power supply inlet 110 127 V LJ 4200 4300 Cable power supply inlet 110 127 V LJ 4250 4350 Cable power supply inlet 220 240 V LJ 4200 4300 Cable power supply inlet 220 240 V LJ 4250 4350 Connector duplexer LJ 4200 4300 Connector duplexer LJ 4250 4350 Screw s m3x8 Cable flat J80 J50 LU
33. 4350 Overlay control panel EN FR DE IT LJ 4250 4350 Part number RC1 0287 020CN RM1 1077 000CN RC1 0288 000CN RC1 0289 000CN RC1 0290 000CN RC1 3282 000CN RC1 0291 000CN RC1 3280 000CN RM1 0046 000CN RM1 1076 000CN RC1 0307 000CN RG1 4215 000CN RM1 1190 000CN RM1 0049 000CN RM1 1081 000CN RM1 0050 030CN RM1 0027 020CN RM1 0047 020CN RM1 0114 020CN RM1 1080 000CN RG1 4276 020CN RM1 1195 000CN Q2431 40021 Q2431 40022 Q2431 40023 Q2431 60107 Q2431 60108 Q2431 60109 Q2431 60110 Q2431 60111 Q2431 60112 Q2431 60113 RC1 3356 000CN Q5400 60102 Qty 459 460 Ref 13 13 13 13 13 13 13 13 not shown not shown not shown not shown not shown not shown 502 Description Overlay control panel CS HU PL EL LJ 4250 4350 Overlay control panel NO SV FI LJ 4250 4350 Overlay control panel ES PT IT LJ 4250 4350 Overlay control panel EN RU TR LJ 4250 4350 Overlay control panel EN AR LJ 4250 4350 Overlay control panel EN DE FR NL LJ 4250 4350 Overlay control panel FR LJ 4250 4350 Overlay control panel AR LJ 4250 4350 Name plate kit LJ 4200 Name plate kit LJ 4300 Name plate kit LJ 4200L Name plate kit LJ 4200Ln Name plate kit LJ 4250 Name plate kit LJ 4350 Screw tapping pan head m4x10 Part number Q5400 60103 Q5400 60104 Q5400 60105 Q5400 60106 Q5400 60107 Q5400 60108 Q5400 60109 Q5400 601 11 Q2425 67901 Q243
34. Do not fan the stack 3 Check the media type and quality Replace the media If it does not meet specifications and advise the customer to use the HP recommended media and to store it correctly See Media specifications The media surface is too smooth or too rough for adequate toner adhesion Use media that meets HP specifications see the HP LaserJet Printer Family Paper Specification Guide The transparencies do not meet HP specifications Use HP approved transparencies for monochrome laserjet printers see the HP LaserJet Printer Family Paper Specification Guide The operating environment does not meet specifications Make sure that the printer is installed in an area that meets the environmental specifications See Operating environment The fuser roller is dirty and is lifting part of the image off of the paper The print cartridge is defective or nearly empty Process a cleaning page see chapter 4 Several pages might be required if the fuser is very dirty Replace the print cartridge The toner density setting is incorrect Open the print quality menu at the control panel and adjust the toner density setting See Print quality submenu Make sure that EconoMode is off 7 Troubleshooting Table 7 23 Drop outs and character voids continued AaBbCce AaBbCec AaBDCC AaBbCce AQBDdCc Continued Table 7 24 Lines Possible cause The f
35. HP components installed Check for any non HP components print cartridges memory modules and EIO cards installed in the printer and remove them Hewlett Packard recommends the use of HP components in its printers m Remove the printer from the network and make sure that the failure is associated with the printer before beginning troubleshooting 304 7 Troubleshooting Troubleshooting flowchart The flowchart highlights the general processes that you can use to isolate and solve printer hardware problems quickly Each heading depicts a major troubleshooting step Proceed to the next major step or perform additional testing depending on yes or no answers Initial check execution A 2 Power ON Error status on the display p a Refer to section Display Displays Ready message Is test print executable Make a test print Refer to the section Paper path troubleshooting Does paper jam occur Refer to the section Media transport problems Delivers paper normally Refer to the section image formation troubleshooting Do image defects occur Error status on the computer Refer to the section Interface troubleshooting Ca Figure 7 1 Troubleshooting flowchart 1 When you perform a test print select the same input tray and delivery method that were used when the mal
36. Jams in tray 2 Table 7 10 Causes of tray 2 jams Cause Solution The feed or separation rollers are dirty worn or damaged Clean the rollers If they are dirty after cleaning or if they are worn or damaged replace the rollers The pickup roller is worn or damaged Replace the pickup roller The tray 2 paper pickup assembly drive gears are damaged or the assembly is defective Check the drive gears in the paper pickup drive assembly Replace the pickup drive assembly if the gears are damaged See Paper pickup drive assembly The tray 2 pickup solenoid SL101 is damaged 1 Disconnect the connector for the tray pickup solenoid from the dc controller PCA location J92 2 Measure the resistance between the cable connectors 3 If the measured resistance is not approximately 160 ohms for the HP LaserJet 4200 4300 or 110 ohms for the HP LaserJet 4250 4350 replace the tray 2 pickup solenoid The tray 2 lifter drive assembly or the stack position sensor PS107 is defective Replace the lifter drive assembly See Tray 2 lifter drive assembly and or Printer switches and sensors The dc controller PCA is defective Replace the dc controller PCA See Dc controller PCA Dirty worn or deformed pick up roller cassette separation roller and cassette feed roller Clean the rollers if they are dirty Replace any worn or deformed rollers The cassette separation roller and the cassette fe
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38. PCAs 1 Power supply assembly high voltage and low voltage circuits 2 Dc controller PCA Printer component locations 415 Accessory component locations The following sections describe the component locations within the printer accessories 500 sheet feeder main parts Figure 7 17 Location of the 500 sheet paper feeder main parts 1 500 sheet feeder separation roller in the tray 2 500 sheet feeder feed roller 3 500 sheet feeder pickup roller 4 500 sheet feeder lifter drive assembly 5 500 sheet feeder pickup gear assembly 416 7 Troubleshooting 500 sheet feeder switches sensors solenoids and PCAs A d X d O Figure 7 18 Location of the 500 sheet paper feeder switches sensors solenoids and PCAs 1 500 sheet feeder paper size switch SW801 2 500 sheet feeder control PCA 3 500 sheet feeder paper stack position sensor PS802 4 500 sheet feeder paper pickup solenoid SL801 5 500 sheet feeder paper sensor PS801 Accessory component locations 417 418 1 500 sheet feeder main parts Figure 7 19 Location of the 1 500 sheet paper feeder main parts 1 of 2 1 1 500 sheet feeder lifter drive assembly 2 1 500 sheet feeder pickup gear assembly 7 Troubleshooting LC r0 C 4 ON ba LA a ma A Figure 7 20 Location of the 1 500 sheet paper feeder main parts 2 of 2 1 1 500 sheet feeder feed roller 2 1 5
39. The optional duplexer is not functioning Remove the duplexer Turn the printer off and then on Replace the duplexer If the message persists replace the duplexer 79 XXXX PRINTER ERROR A critical hardware error has occurred Turn the printer off and then on If the problem persists reseat the firmware DIMM Display message troubleshooting 363 Table 7 7 Numerical printer messages continued Control panel message Description Recommended action To continue turn off then on 8X YYYY EIO ERROR The EIO accessory card in slot X has encountered a critical error Reseat the formatter Go to www hp com go lj4200 software www hp com go lj4250 software www hp com go lj4300 software or www hp com go lj4350 software Select Download Drivers and Software Check for the latest firmware image version at the bottom of the page If this firmware image is newer than the one installed on the printer and the printer can receive a firmware update download the newer firmware upgrade Not all HP LaserJet 4200 4300 printers can receive firmware upgrades Replace the formatter See Formatter assembly Replace the firmware DIMM See Firmware DIMM LJ 4200 4300 only Turn the printer off and then on If the problem persists reseat the EIO card Replace the EIO card Replace the formatter assembly See Formatter assembly 7 Troubleshooting Paper path troubleshooting
40. Troubleshooting Table 7 7 Numerical printer messages continued Recommended action Control panel message Description 41 3 UNEXPECTED SIZE IN TRAY XX The media that is loaded is longer or shorter in the feed direction than the size that is configured for the tray 1 If the incorrect size was selected cancel the job or press Herre button to gain access to help For help press 2 Press A Ur Arrow button and Y Down Arrow button to step through the instructions alternates with 3 Print a configuration page and verify 41 3 UNEXPECTED that the tray settings match the media in the tray See Configuration page SIZE IN TRAY XX TYPE SIZE II 4 Verify that the pre feed top of page Korein pake 2 and fuser delivery sensors P ama PS102 PS103 PS108 are operating and the sensor flags can move freely See Printer switches and sensors 5 Replace the dc controller PCA See Dc controller PCA 41 X A printer error has occurred 1 Press Y SeLecT button to continue or H f PRINTER ERROR press ELP button for more ar information X Description For help press a 2 If the message persists turn the printer 1 unknown misprint error a power off and then on again alternates with EE RER ERENESS 3 If these errors becomes a frequent 4 no VSYNC error problem replace the dc controller PCA 41 X See Dc controller PCA 7 feed delay error PRINTER ERROR 9 signal noise error To continue
41. Up Arrow button or Down Arrow button to scroll to INFORMATION and then press v 3 Use 4 or Y to scroll to PRINT SUPPLIES STATUS PAGE and then press v Figure 7 4 Supplies status page HP LaserJet 4200 4300 supplies status page is shown EEN 1 Supplies Web site Lists the Web site for ordering supplies over the Internet 2 Cartridge information Provides information about the amount of toner available in the print cartridge and shows the print cartridge part number and estimated pages that can be printed for the amount of toner in the cartridge 3 Printing statistics Lists statistics about the total number of pages and jobs that have been processed using this print cartridge the first and last use date for the cartridge and the print cartridge serial number 4 Recycle Web site Lists the Web site for information about returning used HP print cartridges 5 Maintenance kit gauge Shows a gauge to let you know the remaining life of the maintenance kit components aaa ee a cC C cc mMmlmc mi Ii 314 7 Troubleshooting Embedded Web server When the printer is directly connected to a computer the embedded Web server is supported for Windows 95 and later In order to use the embedded Web server with a direct connection you must select the Custom installation option when you install the printer driver Select the option to load Printer Status and Alerts The proxy server is installed as part of the Printer Statu
42. Y SeLecT button to continue 3 If the message persists remove and reinstall the ElO disk drive 4 Reinitialize the EIO disk 5 If the message persists replace the EIO disk drive DISK FILE OPERATION FAILED The printer received a PJL file system command that attempted to perform an illogical operation for example a command to download a file to a nonexistent directory 1 Printing can continue 2 Press Y SeLecT button to continue 3 If the message reappears then a problem might exist with the software application Display message troubleshooting 335 Table 7 6 Alphabetical printer messages continued Control panel message Description Recommended action alternates with Ready For menus press Y DISK FILE SYSTEM IS FULL alternates with Ready For menus press Y The printer received a PJL file system command that attempted to store something on the file system The attempt was unsuccessful because the file system is full Use the device storage manager in the HP Web Jetadmin software to delete files from the EIO disk drive and then try again Press Y Select button to continue DISK IS WRITE PROTECTED alternates with Ready For menus press Y The file system device is protected and no new files can be written to it To enable writing to the disk turn off the write protection by using the device storage manager in HP Web Jetadmin Press Y Select or
43. at http Awww hp com support jpaperguide for media recommendations A supply item is installed incorrectly which causes repeated jams Verify that the print cartridge and the fuser are correctly installed You are reloading paper that has already passed through a printer or copier Do not use media that has been used previously in a printer or copier An input tray is loaded incorrectly Remove any excess media from the input tray Make sure that the stack of media fits below the indicators inside of the tray The print media is skewed The tray guides are not adjusted correctly Adjust the guides to hold the media firmly in place without bending it If media heavier than 120 g m 32 Ib is loaded into tray 2 tray 3 or tray 4 the media might skew The print media is binding or sticking together Remove the media and flex it rotate it 180 or flip it over Reload the media into the tray Do not fan media The print media is removed before it settles into the output bin Wait until the page completely exits the output delivery assembly before you attempt to remove the it When you are using the duplex print feature the print media is removed before the second side of the document is printed Print the document again During the duplex operation the page will partially protrude from the output delivery assembly when the page is being reversed Do not attempt to grab or remove the page
44. bie ST E 2 ES HA T ka EHHE Ins LIZISISO Z H E 13s lala z E aNd oazisiso T o uve mE a L S16 2139 s ai 3 o Hap d z IH upa a t3 3 3 5 5 lo eh zg iri i m 7 27 HP LaserJet 4250 wiring diagra Figure 7 iri iagrams Printer and accessory wiring diag 427 HP LaserJet 4300 wiring diagram
45. correctly and that the guides fit snugly against the stack The wrong tray is in use Print from tray 1 when you use a media that can cause image formation or paper path problems The wrong output bin is in use Print to a different output bin top or rear output bin An obstruction exists in the paper path 1 Check the paper path for debris 2 Check for damaged components that might be creasing the paper Table 7 32 White lines Possible cause Recommended action s White lines in the direction of the paper path The toner supply is low or the print cartridge is defective 1 Shake the print cartridge gently to redistribute the toner 2 Replace the cartridge The laser path is dirty The fuser is defective Clean the laser path Remove the laser scanner assembly see Laser scanner assembly and check for dirt or other obstructions in the beam path Replace the fuser See Fuser The mirror in the laser scanner is dirty Replace the laser scanner assembly See Laser scanner assembly White lines in the opposite direction of the paper path The print drum is damaged Replace the print cartridge 394 7 Troubleshooting Table 7 32 White lines continued Possible cause Recommended action s The fuser roller is damaged Process a printer cleaning page See Running the cleaning page manually If the problem persists replace the
46. does not meet specifications The toner density setting is incorrect The high transfer setting is turned off Make sure that the printer is installed in an area that meets the environmental specifications See Operating environment Open the print quality menu at the control panel and adjust the toner density setting See Print quality submenu Open the print quality menu at the control panel see Print quality submenu Select OPTIMIZE and set HIGH TRANSFER ON The line detail setting is turned off Open the print quality menu at the control panel see Print quality submenu Select OPTIMIZE and set LINE DETAIL ON Table 7 36 Blurred print Possible cause Recommended action s A The media does not meet specifications or is not stored correctly 1 Turn over the stack of media in the tray Also try rotating the media 180 2 Check the media for type and quality Replace the media if it does not meet specifications and advise the customer to use the HP recommended media and to store it correctly See Media specifications The operating environment does not meet specifications Make sure that the printer is installed in an area that meets the environmental specifications See Operating environment The toner density setting is incorrect Open the print quality menu at the control panel and adjust the toner density setting See Print quality submenu Image for
47. media from the output bin 2 If the error persists verify that the output bin flapper the four plastic paddles hanging down in front of the output bin rollers can move freely 3 Replace the stacker or stapler stacker OUTPUT PAPER PATH OPEN NOTE The stacker or stapler stacker LED blinks in amber The jam access door or the staple cartridge door is open 1 Press Her button for detailed information 2 Press A Up Arrow button and Y Down Arrow button to step through the instructions 3 Close the open door 4 If this message persists replace the stacker or stapler stacker PERFORM PRINTER MAINTENANCE alternates with Ready For menus press Y To ensure optimum print quality the printer prompts you to perform routine maintenance every 200 000 pages default setting Install an HP LaserJet 4200 4250 4300 4350 printer maintenance kit See the instructions that come with the kit Or Continue printing and order a printer maintenance kit For information about how to order a maintenance kit see Parts and diagrams Performing A firmware upgrade is in progress CAUTION Do not turn the printer upgrade off until the printer returns to the Ready state The printer will be damaged if the power is turned off during a firmware upgrade Printing The printer is generating the registration Follow the instructions on the printed pages REGISTRATION PAGE page The printer w
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49. on and then hold down v SeLect button when the memory count begins 3 Continue holding down v until all three printer control panel lights flash once and then remain on This might take up to 10 seconds A Press 4 Up Arrow button followed by the Pause Resume button 5 Press 4 or Y until SKIP DISK LOAD is highlighted 6 Press v The printer continues the power on sequence but ignores an installed EIO hard disk Self test 1 Turn the printer power off 2 For HP Laserjet 4200 4300 Series printers Hold down Select button and then turn the printer power on For HP Laserjet 4250 4350 Series printers Turn the printer power on and then hold down SeLect button when the memory count begins 3 Continue holding down v until all three printer control panel lights flash once and then remain on This might take up to 10 seconds A Press 4 Up Arrow button or Down Arrow button until SELF TEST is highlighted 5 Press v The printer continues the power on sequence and begins to continuously printing configuration pages 6 Press the Pause Resume button LJ 4200 4300 or the Menu button LJ 4250 4350 to exit the self test 7 Troubleshooting Test pages Test pages Printing test pages helps you determine whether or not the printer engine and the formatter are functioning Engine test page To verify that the printer engine all printer components except the formatter formatter DIMMs EIO products and the stacker o
50. paper size and type is installed in one of the trays print a Display message troubleshooting 339 Table 7 6 Alphabetical printer messages continued Control panel message Description Recommended action MANUALLY FEED lt TYPE gt lt SIZE gt To continue press Y configuration page see Configuration page to see if the printer tray setting differs from the paper size and type in the tray Check the tray size sensor switches if the configuration page indicates a different size than that in the tray Verify that the sensor fingers inside the tray are engaging the tray sensor correctly See Tray 2 500 sheet feeder and 1 500 sheet feeder media size detection NON HP CARTRIDGE DETECTED The printer has detected that a non HP print cartridge is currently installed If anew HP cartridge has been installed this message appears for about 20 seconds and then is replaced by the Ready message If the print cartridge appears to be an authentic HP cartridge try installing another HP print cartridge that has the same shipment lot number If this clears the error message return the print cartridge that you removed to the supplier as defective If the error message persists the print cartridge might be a fraudulent cartridge If the error message persists the memory chip on the print cartridge location J600 might be defective or the connector might be defective The dc controller PCA migh
51. pickup assembly LJ 4200 4300 RM1 0004 060CN 1 Tray 1 pickup assembly LJ 4250 4350 RM1 1097 000CN 1 1 Tray 1 RM1 0005 020CN 1 2 Separation pad RL1 0007 000CN 1 3 Solenoid tray 1 pickup LJ 4200 4300 RH7 5357 000CN 1 3 Solenoid tray 1 pickup LJ 4250 4350 RK2 0276 000CN 1 4 Roller pickup RL1 0019 000CN 1 Internal components 481 482 Figure 8 13 PCAs 8 Parts and diagrams Table 8 15 PCAs Ref not shown not shown not shown not shown not shown Internal components Description Dc controller LJ 4200 Dc controller LJ 4250 4350 Dc controller LJ 4300 Formatter assembly LJ 4200 printer Formatter assembly LJ 4200L printer Formatter assembly LJ 4250 4350 printer base model Formatter assembly LJ 4250 4350 printer network models Formatter assembly LJ 4300 printer Part number RG1 4236 040CN RM1 1108 000CN RG1 4237 040CN C9652 67902 C9652 67903 Q3653 67901 Q3652 67901 C9651 67901 Qty NOTE Callout 2 indicates the electrical components assemblies See Figure 8 9 Elecirical components for components and part numbers 483 Accessories Figure 8 14 500 sheet feeder 1 of 2 8 Parts and diagrams 484 Table 8 16 500 sheet feeder 1 of 2 Ref Description Part number Qty 500 sheet feeder and tray Q2440 67903 1 1 Lifter drive assembly 500 sheet feeder RM1 1094 000CN 1 2 Paper pickup drive assembly 500
52. specifications See the specifications listed in the HP LaserJet Printer Family Print Media Guide The surface of the media is too smooth Use media that meets HP specifications See the specifications listed in the HP LaserJet Printer Family Print Media Guide The printer driver is set incorrectly Change the paper type setting The media is too heavy for the printer and the toner is not fusing to the media The transparencies are not designed for adequate toner adhesion or high fusing temperatures Use only transparencies that are designed for monochrome HP LaserJet printers The moisture content of the paper is uneven too high or too low Use paper from a different source or from an unopened ream of paper Some areas of the paper reject toner Use paper from a different source or from an unopened ream of paper Make sure that the paper has not been previously used The letterhead is printed on rough paper Use a smoother photocopy grade paper If this solves the problem consult with the letterhead supplier to verify that the paper used for the letterhead meets the specifications for this printer The paper is excessively rough Use a smoother photocopy grade paper The paper has a coating that is not compatible with the electrophotographic process The letterhead or other preprinted media was printed with inks or other materials that can contaminate the fuser which causes offset or repeated images The use of some carbonless pap
53. the EHET BEY SOS paper level sensor PS107 If this 5 Verify that the top of page sensor falls hey Ee sensor PS103 is operating correctly not rotate to lift the paper tray plate and that the sensor flag can freely move Replace the sensor if it is not This error can also be caused Ch SEN SE Printer when the printer attempts to pick AA AA a empty 6 Replace the dc controller PCA See O D ller PCA mechanism for that tray has failed c controller PC and the printer senses that the tray appears to be loaded 13 02 00 or 13 05 00 or 13 20 00 or A jam exists in the top cover area 1 Press HeLp button for detailed 13 21 00JAM IN TOP information about clearing the jam A 13 02 00 error message indicates that the COVER AREA media did not pass the top of page 2 Press A Up Arrow button and Y sensor PS103 within the specified time Down Arrow button to step through For help press he instructions A 13 05 00 error message indicates that the DESS media did not arrive at the fuser delivery 3 Check the pre feed top of page and sensor PS108 within the specified time fuser assembly sensors P9102 Pa PS103 and PS 108 and verify that the A 13 20 00 error message indicates that the Sensor arms move a ee Printer printer power was turned on or that the switches and sensors Cad printer attempted to initialize while the pre feed sensor PS102 the top of page 4 If the paper feed assembly has been sensor PS103 or the fuser delivery repl
54. the changed settings X Description 0 onboard NVRAM 1 flash DIMM or hard drive Press Y SeLecT button to continue For 68 0 errors turn the printer off and then on If a 68 0 error persists Initialize NVRAM See the caution and note in To initialize NVRAM For 68 1 errors use the HP Web Jetadmin software to delete files from the disk drive If this error message persists replace the formatter assembly See Formatter assembly If the 68 1 error persists reinitialize the hard disk See the caution and note in To initialize the hard disk If the 68 1 error persists replace the disk 68 X PERMANENT STORAGE WRITE FAIL To continue press Y A nonvolatile storage device is failing to write Pressing Y Select button should clear the message Printing can continue but the printer might behave unexpectedly in response to the changed settings X Description 0 onboard NVRAM 1 removable disk flash or hard Press Y the Select button to continue Turn the printer off and then on If the 68 0 error persists initialize the NVRAM See the caution and note in To initialize NVRAM If this error message persists replace the formatter assembly See Formatter assembly For a 68 1 error message reinitialize the hard disk See the caution and note in To initialize the hard disk If the 68 1 error persists replace the disk 69 X printer error To continue turn off then on
55. the printer 5 Tum the power on 6 If the error 66 12 03 persists replace the stapler unit See To remove and replace the stapler unit 7 If other errors messages persist replace the stacker or stapler stacker 68 X One or more printer settings that were 1 Press Y SeLecT button to continue saved in the nonvolatile storage device are PERMANENT STORAGE ERROR invalid and have been reset to the factory 2 Turn the printer off and then on default Pressing Y SeELectT button should l For help press clear the message Printing can continue 3 Check the printer settings to determine but the printer might behave unexpectedly which settings have been changed in response to the changed settings See Settings and defaults and Control alternates with panel menus X Description 4 Perform a NVRAM initialization See 68 X NVRAM initialization 7 Troubleshooting Table 7 7 Numerical printer messages continued Control panel message Description Recommended action PERMANENT STORAGE ERROR To continue press Y 0 onboard NVRAM 1 flash DIMM or hard drive 5 Replace the formatter assembly See Formatter assembly 68 X PERMANENT STORAGE FULL For help press alternates with 68 X PERMANENT STORAGE FULL To continue press Y A nonvolatile storage device is full Pressing Y Select button should clear the message Printing can continue but the printer might behave unexpectedly in response to
56. the software program Ready For menus press Y FLASH FILE The printer received a PJL file system 1 Use HP Web Jetadmin Device Storage command that attempted to store Manager software to delete files from SYSTEM IS FULL something on the file system The attempt the flash memory and then try again was unsuccessful because the file system is full 2 Press Y SeLecr button to continue alternates with Ready For menus pressY FLASH IS The file system device is protected and no 1 To enable writing to the flash memory new files can be written to it turn off the write protection by using the WRITE PROTECTED device storage manager in HP Web Jetadmin alternates with 2 Ready For menus pressY Press Y Select button to continue Incorrect The wrong personal identification number Type the correct PIN code After three PIN was typed incorrect PIN entries the printer returns to the Ready state INSERT OR CLOSE Tray XX must be inserted or closed before 1 Press Her button for detailed the current job can be printed information TRAY XX For help press 4 Press 4 Up Arrow button andV Down Arrow button to step through the instructions If the error persists verify that the media size sensor PS102 SW801 or SW1 is operating correctly for the indicated tray See Printer switches and sensors 500 sheet feeder switches sensors solenoids and PCAs or 1 500 sheet feeder switches sensors solenoids and PCAs Veri
57. to reconnect all of the cables that connect the printer to the network or computer If this error message persists replace the firmware DIMM See Firmware DIMM LJ 4200 4300 only Replace the formatter assembly See Formatter assembly 49 24 02 printer error The printer has experienced a critical error Verify that the ribbon cables are fully seated in the connectors on the dc controller PCA Replace the power supply assembly See Power supply Replace the dc controller PCA See Dc controller PCA Replace the formatter assembly See Formatter assembly 7 Troubleshooting Table 7 7 Numerical printer messages continued Control panel message 50 X FUSER ERROR For help press Description A fuser error has occurred X Description 1 low fuser temperature 2 fuser warmup service 3 fuser over temperature 4 faulty fuser 5 incorrect fuser is installed 6 open fuser circuit Recommended action 1 Turn the printer off and allow it to cool down 2 Verify that the correct model of fuser is installed 3 Verify that the correct voltage fuser is installed 4 Reinstall the fuser and check the connection between the fuser and the printer Replace the connector if it is damaged 5 Replace the fuser 6 Replace the dc controller PCA See Dc controller PCA 7 Replace the power supply assembly See Power supply 51 XY PRINTER ERROR For help press alternates with
58. your computer The Settings tab can be password protected If the printer is on a network always consult with the network administrator before changing settings on this tab The Settings tab contains the following pages Configure Device Use this page to configure all of the printer settings This page contains the traditional printer menus Information Paper Handling Configure Device and Diagnostics Alerts On networks only Use this page to establish e mail alerts for various printer and supplies events E mail On networks only Use this page in conjunction with the Alerts page to set up incoming and outgoing e mail as well as to establish e mail alerts Security Use this page to set a password that must be typed to gain access to the Settings and Networking tabs Also use it to enable and disable certain features of the embedded Web server Other Links Use this page to add or customize a link to another Web site The link you establish appears in the Other Links area on all embedded Web server pages The following permanent links always appear in the Other Links area HP Instant Support Order Supplies and Product Support Device Information Use this page to name the printer and assign an asset number to it Use the name and e mail address for the primary contact who will receive information about the printer Language Use this page to specify the language in which the embedded Web server information appears Network
59. 00 sheet feeder pickup roller 3 1 500 sheet feeder separation roller in the door a Accessory component locations 419 420 1 500 sheet feeder switches sensors solenoids and PCAs Figure 7 21 Location of the 1 500 sheet switches sensors solenoids and PCAs 1 1 500 sheet feeder paper stack position sensor SR2 2 1 500 sheet feeder paper size sensor SW1 3 1 500 sheet feeder control PCA 4 1 500 sheet feeder paper sensor SR3 5 1 500 sheet feeder paper pickup solenoid SL1 6 1 500 sheet feeder door sensor SR1 7 Troubleshooting Stapler stacker stapler assembly Figure 7 22 Location of the stapler stacker stapler unit 1 Stapler unit stapler stacker accessory only Accessory component locations 421 Stacker and stapler stacker switches and sensors Figure 7 23 Location of the stacker and stapler stacker switches and sensors 1 Delivery roller disengaging sensor stapler stacker only PS1104 2 Paddle home position sensor stapler stacker only PS1103 3 Paper delivery sensor PS1102 4 Paper full sensor PS1106 5 Jogger home position sensor stapler stacker only PS1105 6 Door open switch SW1101 7 Paper inlet sensor PS1101 422 7 Troubleshooting Stacker and stapler stacker motors and solenoids Figure 7 24 Location of the stacker and stapler stacker motors and solenoids 1 Deflector solenoid
60. 1 67908 Q3993 40001 Q3994 40004 Q5400 67911 Q5406 67912 XB4 7401 007CN Qty 8 Parts and diagrams Covers 461 Internal components Figure 8 6 Internal components 1 of 3 8 Parts and diagrams 462 Table 8 8 Internal components 1 of 3 Ref Description Part number Qty 2 Spring torsion RC1 0061 000CN 1 3 Transfer roller LJ 4200 4300 RM1 0699 020CN 1 3 Transfer roller LJ 4250 4350 RM1 1110 000CN 1 4 Guide flat cable RC1 0269 020CN 1 5 Guide flat cable RC1 0270 020CN 1 6 Motor print cartridge M102 8 pin LJ 4250 4350 RK2 0274 000CN 1 6 Motor print cartridge M102 8 pin LJ 4300 RH7 1576 020CN 1 7 Motor main M101 10 pin LJ4200 4300 RH7 1570 000CN 1 7 Motor main M101 10 pin LJ4250 4350 RK2 0272 000CN 1 8 E ring XD9 0232 000CN 1 9 Gear 14t 30t RU5 0015 000CN 1 10 Screw s m3x8 XA9 1500 000CN 17 11 Screw tapping m3x6 XA9 1503 000CN 6 16 Flag paper feed sensor RC1 0060 000CN 1 17 Rod fan 2 LJ 4300 RC1 0341 000CN 1 17 Rod fan 2 LJ 4250 4350 RC1 3339 000CN 1 18 Guide dc controller LU 4200 4300 RC1 0271 000CN 1 18 Guide dc controller LJ 4250 4350 RC1 3340 000CN 1 19 Feed roller assembly also see Figure 8 11 Feed roller assembly RM1 0012 020CN 1 20 Main drive assembly LJ 4200 4300 also see Figure 8 10 RM1 0001 030CN 1 Main drive assembly 20 Main drive assembly LJ 4250 4350 also see Figure 8 10 RM1 1066 000CN 1 Main drive assembly 21 R
61. 104 PS 107 LJ 4200 4300 Sensor stack PS 107 LJ 4250 4350 Gear 23t Bushing Laser scanner assembly LJ 4200 Laser scanner assembly LJ 4250 4350 Laser scanner assembly LJ 4300 Bushing feed shaft Cable laser LJ 4200 4300 Cable laser LJ 4250 4350 Screw s m3x8 E ring Screw rs m3x10 Solenoid tray 2 pickup LJ 4200 4300 Solenoid tray 2 pickup LJ 4250 4350 Pickup sensor cable assembly LJ4200 4300 Pickup sensor cable assembly LJ4250 4350 Roller paper pickup Roller paper feed Holder paper sensing Flag paper sensing Guide power supply front Arm paper pickup LJ 4200 4300 Arm paper pickup LJ 4250 4350 Holder paper pickup arm Gear 23t Plate swing Spring compression Guide tray 2 Part number RC1 0268 000CN RC1 0340 020CN RC 1 0385 000CN RU5 0045 020CN RL1 0264 000CN WG8 5362 000CN WG8 5624 000CN RU5 0040 000CN RC1 0206 000CN RM1 0045 000CN RM1 1067 000CN RM1 0113 000CN RC1 0264 000CN RG1 4212 000CN RM1 1198 000CN XA9 1500 000CN XD9 0232 000CN XA9 1559 000CN RH7 5355 000CN RK2 0269 000CN RG1 4221 000CN RM1 1181 000CN RM1 0036 000CN RM1 0037 020CN RC1 0208 030CN RC1 0209 000CN RC1 0243 000CN RC1 0211 000CN RC1 3352 000CN RC1 0212 000CN RC1 0371 000CN RL1 0013 000CN RC1 0213 000CN RC1 0153 030CN Qty Internal components 467 468 Ref 31 32A 32A 33 35 36 37 38 39 41 42 43 44 44 45 45 49 50 51 51 52 501 502 503 Descrip
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63. 7 Troubleshooting Chapter contents Chapter contents Introduction Troubleshooting process Troubleshooting tools Control panel menus Printer resets and power on modes Test pages Interface troubleshooting Display message troubleshooting Paper path troubleshooting Media transport problems Image formation troubleshooting Troubleshooting the stacker and the stapler stacker Printer component locations Accessory component locations Printer and accessory wiring diagrams General timing diagrams 301 Introduction In order to use the information in this chapter you should have a basic understanding of the laserjet printing process Explanations of each mechanical assembly the printer systems and the basic theory of operation are contained in chapter 5 of this manual Do not perform any of these troubleshooting processes unless you understand the function of each printer component This chapter contains the following sections 302 Troubleshooting process This section includes an initial troubleshooting checklist and a troubleshooting flowchart These contain information about common printer errors that can inhibit operation or create print quality problems They also include recommendations for resolving the cause of the problem See Troubleshooting process Troubleshooting tools This section contains information that helps to isolate the cause of printer failur
64. E 4 Ag Et Zz dE 3 AS F AS CH ag ACEH zZ a T Xda Oda ATE 3 z et 2 AS F P1 OOZOW di 5 H K p ACES BL Agvet fle 3 H 2 oe T xowsz Sc 5 NG S NOH hee i z 5 xouaz 1 kaus3 NG 9 Ko Cee a AGE SO a LOS VU zquss 7 5 AS Et ka nee Ir SE zr zauss TF J 34VSUS4 GND 5 8 AA 2 AC Et EF ec ZI O18 OF SC jan ANS 8 Si S MS GB Nad a4vsuss 6 8 SWuYNO ee et TaN Shaq BP aadd 5 Nean SWHHNO E Gig Se LI NS E oo Bi ano 5 SS E NTIN RON CH HA eb ANO dou amp s5 N z Ww 9 GND CL ZOOM o a gt zE SE Asaan Ha E Soen ZOON l fi zooa 2 a Ta primo Sa HA Mal H00 N 5 ER 2 KE SA Ng Kuba SL OND HON a Ms o 48 3 Gs LANG And s o aa s E 8 DANIAN z an 09 au Zi ANO SH dWLANA dAWLAN3 Z ON ano Zi 198 Os Se LOS oN SS DE aNg Z nse SZ AWLAN3 85 o5 XOS ei oe Luc ANO TA Ii EEER Km 5 LS ousa KHO Ng te ON Tay 8 d o AS L a S SET S yousa 47 S ENG Per z ZS id St zoga 2 e E E U E D 2 soil ang ee Le cane mag tz ze OND ONA ana fF 2 ING T we GND kz g MO KS Ej ano Ee me R Ae e Ae o ANO Ed 92 ay aNd pan ANO sap SE a D HN Ze ANO ek LOG N ejers E Oe re Janz INYO Ze SC NOHMd LOON SIS AS a aave Ta ENG NOHMd 8 z joan 5 F a o D 00g 1a anya pa S lai lang z aNd Jos a 3 ANO INO PH Tos E 10S g i Ae z ANO FF AG EN ano sf Tig HAS tas 4H PI and Ik QdSIH F I WMdHs3 GND Z Z z 5 2 ANo Odd WMd8S3 PF El DEn nos E Odd L ASF Og Pi gt gt ES E NG JE ova sO Ae v S ast i I
65. ECTED alternates with Ready For menus press Y The file system device is protected and no new files can be written to it To enable writing to the RAM disk turn off the write protection by using the device storage manager in the HP Web Jetadmin software RECEIVING UPGRADE A firmware upgrade is in progress A CAUTION Do not turn the printer off until the printer returns to the ready state The printer will be damaged if the power is turned off during a firmware upgrade REINSERT DUPLEXER REPLACE CARTRIDGE alternates with For help press The duplexer is not functioning The print cartridge is almost empty Printing can continue until the toner supply is depleted 1 Turn off the printer 2 Remove and then reinstall the accessory 3 Turn on the printer 4 Check the rear accessory power connector 5 If the error persists replace the duplexer 1 Replace the print cartridge to continue printing 2 Press Herr button for detailed information 7 Troubleshooting Table 7 6 Alphabetical printer messages continued Control panel message Description Recommended action 3 Press A Up Arrow button and Y Down Arrow button to step through the instructions 4 Supplies ordering information is also available from the embedded Web server 5 If this error persists replace the power supply assembly See Power supply Resend upgrade The firmware upgrade wa
66. J 4250 4300 4350 94 2 mm 3 75 inches photosensitive drum Figure 7 8 Repetitive defect ruler Image formation troubleshooting 401 Troubleshooting the stacker and the stapler stacker When troubleshooting problems are related to the stacker or stapler stacker you might find that it is difficult to distinguish whether the malfunction relates to the stacker the stapler stacker or the printer The troubleshooting procedures in this section assume that the stacker or stapler stacker is installed on a printer that is working normally Always correct any printer errors before attempting to troubleshoot the stacker or stapler stacker Stacker and stapler stacker errors fall into four groups m Jam errors m Paper transport errors m Malfunction errors m Component errors Jam and transport errors result when media does not move successfully from the printer through to the stacker or stapler stacker Malfunction errors cause the stacker or stapler stacker to stop or to operate incorrectly Component errors that are the result of an internal component failure and generate errors messages that appear on the control panel display For more information about control panel messages see Alphabetical printer messages and Numerical printer messages Initial checks Before troubleshooting the stacker or stapler stacker verify that any printer errors have been corrected The printer must be operating normally before you can troubleshoot the st
67. J 4300 Duct fan 2 right side LJ 4250 4350 Guide left Guide right Holder thermistor plastic Holder thermistor metal Cover fan connector Guide connecting cable Dc controller LU 4200 De controller LJ 4250 4350 Dc controller LU 4300 Screw rs m3x10 Screw s m3x8 Fan right LJ 4300 Fan right LJ 4250 4350 Fan left LJ 4200 4300 Fan left LJ 4250 4350 Thermistor LJ 4200 4300 Thermistor LJ 4250 4350 Spring tension Microswitch top cover Bushing paper delivery Cable door switch Cover envelope Cover inner front right Fuser 110 127 V LJ 4200 Fuser 110 127 V LJ 4300 Fuser 110 127 V LJ 4250 4350 Fuser 220 240 V LJ 4200 Fuser 220 240 V LJ 4300 Fuser 220 240 V LJ 4250 4350 Cable fuser LJ 4200 4200L Cable fuser LJ 4250 4350 Part number RC1 0200 020CN RC1 0272 000CN RC1 3338 000CN RC1 0273 000CN RC1 0274 020CN RC1 0342 020CN RC1 0343 020CN RC1 0344 020CN RC1 0386 000CN RG1 4236 040CN RM1 1108 000CN RG1 4237 040CN XA9 1559 000CN XA9 1500 000CN RH7 1577 000CN RK2 0280 000CN RH7 1573 000CN RK2 0278 000CN RH7 7116 000CN RK2 0359 000CN RC 1 0198 000CN WC4 5139 000CN RC1 0136 000CN RG1 4213 000CN RC1 0320 000CN RC1 0019 000CN RM1 0013 140CN RM1 0101 200CN RM1 1082 000CN RM1 0014 140CN RM1 0102 200CN RM1 1083 000CN RG1 4205 000CN RM1 1216 000CN Qty Internal components 471 Ref Description Part number Qty 26 Cable fuser LJ
68. L ES LI a EE SECHER ES Zooey E LI azis Jara ul Bu uud sjeays z snonunuoo 10 eyo Buru SN Lpa E E 17 EN EN Op233 uoneubisap uoiyensesal JUL NO uous Jamog ZH LH Jayeay Jasny Je SEI J9 01 sunssaig serq UI asn seq Buibigyo Ja suei 2a seiq Buidojaneq ov seiq Buidoja naq 9a seg buibieyo Arewig 9y seiq Buibagyo Hewnd Jop LSd 10suas y p m Jaded OLSd Josuas abed jo dol ZOLSd Josuas paaj aig L019 yoInjo Ja 101 pees L017S plougjos dnyoid syessea dOL e6ed jo doy E0LN4 Z ue buljoog H LOLNA L uey Buijooo p CU fl ZO LN 300w Wing H LOLW 100w urew H ZOAN ZOAA LOAM LOGA 0apin el 21033 uoneubis p pers Jug RB Figure 7 40 HP LaserJet 4350 general timing diagram 441 General timing diagrams iagram d iming Stapler stacker t 7 Troubleshooting uonejos alpped OLLSd Josuas uonisodewoy eipped FP Ea UU CC Gef 5 vOLLSd Josues Seen Ei Buibebuasip Joo Alanijag SM abebuasig FOLLW Joou aides o o E uonisod 112M uonisod juswubipe WS 201118 piouajos dues b g EE CT U ZOLLW 1010W offer e amp Oo PO E LOLLW 4ojow dipped LOLLIS plouajos edd LO LE ZOLLSd Josuas Aaen sadeg LOLLSd Josuas ett Jade abed pug puewwog aayon Aanijag Figure 7 41 Stapler stacker t A1dd jeubis AHZANAG W3dYd
69. Menu button to continue EIO X DISK NOT FUNCTIONAL For help press The EIO disk in slot X is not working correctly Remove the EIO disk from the indicated slot and reinstall it If the error persists replace the EIO disk drive ENVELOPE FEEDER EMPTY The envelope feeder is empty Refill the envelope feeder Turn off the printer Remove and then reinstall the accessory Turn the printer on If the error persists replace the envelope feeder FLASH DEVICE FAILURE alternates with Ready For menus press Y A flash DIMM is installed in one of the formatter slots Printing can continue for jobs that do not require the flash DIMM Press Y Select button to continue If the message persists remove and reinstall the flash DIMM See Firmware DIMM LJ 4200 4300 only If the message persists replace the flash DIMM See Firmware DIMM LJ 4200 4300 only 7 Troubleshooting Table 7 6 Alphabetical printer messages continued sss Recommended action Control panel message Description FLASH FILE OPERATION FAILED The printer received a PJL file system command that attempted to perform an 1 illogical operation for example acommand 2 to download a file to a non existent directory Printing can continue Turn the printer off and then on to delete the message from the display alternates with 3 If the message reappears a problem might exist with
70. NU MAP and then press v hp LaserJet 4300 printers Ca menu map common functions 1 RETRIEVE JOB INFORMATION z PAPER HANDLING NO STORED JOBS PRINT MENU MAP TRAY 1 SIZE ANY PRINT CONFIGURATION TRAY 1 TYPE ANY PRINT SUPPLIES S TRAY 2 SIZE LETTER PRINT FILE DIREC TRAY 2 TYPE PLAIN PRINT PCL FONT LIST PRINT PS FONT LIST Figure 7 2 Sample menu map page HP LaserJet 4300 Series printer menu map page is shown Troubleshooting tools 311 Configuration page Use the configuration page to view current printer settings to help troubleshoot printer problems or to verify installation of optional accessories such as memory DIMMs trays and printer languages The content of the configuration page varies depending on the options currently installed in the printer To decode the service identification information on the configuration page see Converting the Service ID to an actual date E NOTE If an HP Jetdirect print server is installed a network configuration page also prints S HP LaserJet 4200n n dtn dtns dinsL 4250n tn dtn dtnd dtnsL 4300n tn din dtns dinsL and 4350n tn dtn dtns dtnsL printers come with a print server installed 1 Press v Select button or the Menu button to open the menus 2 Use 4 Up Arrow button or Down Arrow button to scroll to INF
71. ORMATION and then press St 3 Use 4 or Y to scroll to PRINT CONFIGURATION and then press v Of hp LaserJet 4250 4350 series invent i a Figure 7 3 Configuration page HP LaserJet 4250 4350 Series printer configuration page is shown 1 Printer Information Lists the serial number page counts printer number dc controller revision service ID see Service ID and other printer information 2 Event log Lists the three most recent event log entries numeric codes for printer events 3 Personalities and options Lists installed personalities and options such as PS and PCL languages and installed optional DIMM s or ElO accessories Jeer 312 7 Troubleshooting 4 Memory Lists the printer memory and I O buffering and resource saving information 5 Security Lists the status of the control panel lock control panel password and any disk drives 6 Paper trays and options Lists the size and type settings for all trays and lists optional paper handling accessories that are installed Troubleshooting tools 313 Supplies status page Use the supplies status page to obtain information about the print cartridge that is installed in the printer the amount of life left in the print cartridge and the number of pages and jobs that have been processed The page also lets you know when you should perform the next preventive maintenance 1 Press v Select button or the Menu button to open the menus 2 Use 4
72. P45 OND ska BU pon marszer 9 s p e z 1 gg EHL Z ONO z L sues Sep procter LOLNA wa Avert gagour goir 13428 S a de s 10 Jayor s 1 aa t fe le fv sls eum Basen EESE Ba 21as f D 5 ano Inosdo e Hee ano ft IS 8 szal 1 l F Isdo Z vAvat NI Joo 8 H Nv0 Z LIZ Se ng aay TNYO E d 19 g vezr d 9 SEH Y SANW 9 oke aNg J IE S 89d Jenup ees aides 20 ih STAAL dq Jenup 5 9 2OYWW z 10 Od 1944p eeng g3 v O ANO NOWMd 9 zZ per ag L Buixa dng WAvet Z E Z a yun Bulxajdng z tid Kaze i z 801Sd ser at 6 GND mig tour Josuas Dia eS ae es Se EN a ger HHL Hanap aded ser vagolr voorr i yun Duo asorr Igor ne ee ee i 7 Troubleshooting Figure 7 28 HP LaserJet 4300 wiring diagram 428 HP LaserJet 4350 wiring diagram
73. PCA 5 Replace the dc controller PCA See Dc controller PCA Standard output bin full Remove all paper from bin The top standard output bin is full and must be emptied 1 Empty the top output bin 2 If the error persists verify that the output bin sensor PS104 is operating and that the sensor arm can freely move See Printer switches and sensors Display message troubleshooting 343 Table 7 6 Alphabetical printer messages continued Control panel message Description Recommended action STAPLER LOW ON STAPLES For help press NOTE The stapler stacker LED is continuously illuminated green this error applies to the stapler stacker only Fewer than 70 staples remain in the optional stapler stacker staple cartridge Printing will continue until the STAPLER QUT OF STAPLES message appears on the printer control panel display 1 Press Hep button for detailed information 2 Press 4 Up Arrow button and Y Down Arrow button to step through the instructions 3 If after following these instructions this error persists replace the staple unit See To remove and replace the stapler unit E NOTE The customer is responsible for ordering replacement staple cartridges STAPLER OUT OF STAPLES For help press NOTE The stapler stacker LED blinks in amber this error applies to the stapler stacker only Fewer than 15 staples remain in the optional staple
74. Stacker accessory wiring diagram 7 Troubleshooting Stapler stacker accessory wiring diagram Jojow Ja6bop Josuas uonisod awoy Je6bop COLLSd Jojow pee ZOLLW alle 10 ow B pped J9 jojjuoo Buibug GER S s e je le t zer oun Teller TESLLL vie S p ez Lelis HAE Haveli AETA IN JAH Haectir DR ty CEE apztir V190lLr a190lr aectir 9oLir corr ZOLLL LOLLE SOLLr LLLLr DIELS tlele le 8 9 2 z le e Is lo a Te 6 Jor tlelele slo zls ree Olli vie be ils viele II EE EE EE NANAANA tT nmn EE QC UUDU oovo Samang ST So 22222 Jovo EE WEKKR SSsz lt NHHHNG Orre 22500225 TELA SQDDDVGO PEPPER 22 44455 Ann nn lt lt Ha gt gt ow erer CL ZZ50 Ganser TIITTIT SSO rt 0ZUZ vure I vurr JO oo KUTO z DU O ZUZU v ZzUZU e EECH 020253 0 O 0 O oos SNo cor oo CEO HOAN HA sac Ki Od 180p Jayoe s aide Bd CC s v mm Ka z n 5 2 2299 H Pr mn D ss c POT D4 ae DB DB AL IZD EEN tae tic at o00D reo CC C lt vong roD VODVOD HAAN eit HE ZA SNE CL AKEN 9 S F tE c L coLir OLLLr 6OLIr YOLr cLELe 80LLF ELLLr zanr EEB kaun DEH
75. U LOL YOIN o Joo pae4 H ee O LOIS plousjos dnyo1d ayasse9 D ae nl 101 u09 Aq pueg EOLNA 2 Ue Buloo9 H LOLN4 Hf Ue Buijoog el b ES LE ahat E ss mz EE zm zeg LOLW 1010W uren H ZOAN ZOAN LOAN LOGA 09pin H 21933 uoneusis p pes Jud BH 0k33 uoneubisap UopAlasa JUL Ca a a nis a T HIN EIS INA 5s Spuodas u sp Hun azis Jaya u Dunuud sjaays g snonumuoo 104 yeyo Duut NO RE JOMOd HP LaserJet 4250 general t 439 Figure 7 38 HP LaserJet 4250 general timing diagram General timing diagrams G xXojddyle 3 ZH LH 1929y Du g xojddy sela 19 01 sunssald seq jaays usamjog seq anneban seq wy Buxa Sa Sm IT 800 Xosddy j g o Koddy n xoiddy ls kl ge xoiddy serq buibieyo Jetsueu 9a seiq butdojanag 2 F0 Xorddy o la 0 xosddy e a 110 Xosddy Ov seiq Buidojanaq 24 seiq buibueyo Arewig oy seiq BuiBseyo Mewud 90 xorddy F01Sd sosuas jing Jaded Kea umop 2924 80LSd Josuas Jaded Alanijap yun Buixiy Dot zedin 100 xoddy 901Sd Josuas Yipim aded GLO m i fa EOLSd 40sues abed jo doy iagram 290 xolddy gt ZOLSd Josuas paaj a1q CT
76. Wait until the page completely exits the output delivery assembly before you attempt to remove the it The print media is in poor condition Replace the print media The print media is not picked up by the internal rollers from Trays 2 3 or 4 Remove the top sheet of media If the media is heavier than 120 g m 32 Ib it might not be picked up properly from the tray The print media has rough or jagged edges Replace the media The print media is perforated or embossed The printer supply items have reached the end of their useful life If the media does not separate easily you might need to feed single sheets from tray 1 Check the printer control panel for messages that prompt you to replace supplies or print a supplies status page to verify the remaining life of the supplies The print media was not stored correctly Replace the print media The media should be stored in its original packaging and in a controlled environment Paper path troubleshooting 367 368 Persistent jams If jams occur repeatedly use the information in this section to diagnose the root cause of the problem The tables in this section list possible causes and recommended solutions for jams in each area of the paper path The information is listed in the order in which you conduct the investigation In general items at the beginning of the list are relatively minor repairs Items at the end of the list are more signifi
77. aced verify that the pre feed sensor PS108 was detecting media sensor PS102 is installed correctly Paper feed assembly A 13 21 00 error message indicates that the See Pap e top cover open switch SW101 was 5 Replace the top of page activated while a print job was printing the sensor P5103 See Printer switches top cover was opened or the switch is and sensors defective 6 Replace the top cover open switch SW101 See Printer switches and sensors 7 Replace the fuser See Fuser 8 Replace the dc controller PCA See Dc controller PCA 9 If this error message appears frequently see Paper path troubleshooting 13 06 00 and 13 12 00 JAM INSIDE REAR A page is jammed near the rear output door 1 Press Help button for detailed DOOR information about clearing the jam For help press 2 Press A Up Arrow button and Y Down Arrow button to step through the instructions 3 Check the paper width and fuser delivery sensors PS106 PS108 and 7 Troubleshooting Table 7 7 Numerical printer messages continued Control panel message Description Recommended action verify that the sensor arms move freely See Printer switches and sensors 4 Check the inside of the duplexer for scraps of media that might have torn off when a jam was cleared 5 Replace the media size sensor PS106 and fuser See Printer switches and sensors and Fuser 6 Tum the power off Remove the duplexer and turn the power on If t
78. acker or stapler stacker See Alphabetical printer messages and Numerical printer messages Inspect the stacker or stapler stacker connectors on the unit and on the printer Verify that the connectors are not damaged and that the stacker or stapler stacker is installed correctly If the stacker or stapler stacker was installed while the printer power was on turn the power off and then on again m Verify that the environmental specifications are met The specifications for the stacker and stapler stacker are the same as for the printer See Operating environment a Verify that the media being used meets HP specifications See Supported media weights and sizes and Paper and print media m f the stacker or stapler stacker was recently moved from a cold environment for example a warehouse into a warm room condensation within the device might be causing the problem If condensation occurs either wipe the parts with a dry lint free cloth or leave the stacker or stapler stacker turned on for 10 to 20 minutes 402 7 Troubleshooting Jam errors The following sections describe stacker and stapler stacker jam errors Stacker and stapler stacker paper path Figure 7 9 Stacker and stapler stacker paper path Troubleshooting the stacker and the stapler stacker 403 404 Stacker paper path test Use the following procedure to perform a stacker paper path test 1 Press v Select button or the Menu butto
79. action must be performed such as adding paper or clearing a paper jam Some error messages are auto continuable these are not critical errors and the printer will continue to function If the printer setting AUTO CONTINUE is used the error message will continue to appear for about 10 seconds and then the printer will resume printing E NOTE Pressing any button while an auto continuable error message appears on the control panel display overrides the auto continue feature and the button function takes precedence For example pressing the Cancet Jos button cancels the job Critical error messages Critical error messages inform you of a device failure Some of these messages can be cleared by turning the printer off and then on These messages are not affected by the auto continue setting If a critical error persists then service is required Alphabetical printer messages When resolving printer messages perform all listed actions in the order until the message is resolved EA NOTE Not all messages are described in the tables the messages that are not listed are self explanatory Display message troubleshooting 333 Alphabetical printer messages Table 7 6 Alphabetical printer messages Control panel message Description Recommended action Access denied MENUS LOCKED An attempt has been made to modify a printer menu item but the network systems administrator has enabled the control panel secur
80. ailable and 00000 appears on the configuration page Converting the Service ID to an actual date You can use the printer Service ID number to determine whether the printer is still under warranty Use the following procedure to convert the Service ID into the installation date 1 Add 1990 to YY to determine the actual year that the printer was installed 2 Divide DDD by 30 and if there is a remainder add 1 to the quotient to determine the month the printer was installed 3 The remainder from the calculation in step 2 is the day of the month If there was no reminder from the calculation in step 2 then the day of the month is the 30th Using the Service ID 12287 as an example the date conversion is as follows m 12 1990 2002 so the year is 2002 m 287 divided by 30 9 with a remainder of 17 Add 1 to 9 to get 10 so the month is October m The remainder from the above calculation is 17 so that is the day of the month m The complete date is 17 October 2002 A 6 day grace period is built into the date system Restoring the Service ID If you replace the formatter the Service ID is lost and must be restored Use this menu item to reset the Service ID which is calculated based on the date the printer was first used The date format is YYDDD Use the following procedure to calculate the Service ID 1 To calculate YY subtract 1990 from the calendar year 2 To calculate DDD use the following formula 30 calendar m
81. al any configuration problems See Configuration page E NOTE The customer is responsible for checking and maintaining supplies and for using supplies that are in good condition The customer is responsible for media and print cartridge supplies The customer is also responsible for replacing the fuser transfer roller and all paper pickup feed and separation rollers tray 1 has a separation pad instead of a roller that are at or near the end of their 200 000 page rated life Initial troubleshooting checklist The following checklist contains basic questions that you can ask the customer in order to help define the problem s quickly For more information about printer and media specifications see Model and serial numbers and Media specifications Table 7 1 Initial troubleshooting checklist Environment m Is the printer installed in a suitable environment See Model and serial numbers m Is the printer installed on a solid level surface m Is the supply voltage from the wall receptacle within 10 of the printer s rated voltage see Model and serial numbers m Is the power cord fully seated into both the printer and the electrical receptacle in the wall m Is the operating environment for example the temperature and humidity levels within the specified parameters that are listed in chapter 1 see Model and serial numbers m Is the printer exposed to ammonia gas such as that produced by diazo copiers o
82. an be difficult Recommended action s 1 Inspect the drum for scratches or other damage Replace the print cartridge for defects that repeat at 37 7 mm 1 5 inches 62 8 mm 2 5 inches 54 0 mm 2 1 inches or 94 2 mm 3 7 inches 2 Process a printer cleaning page See Running the cleaning page manually 2 If the problem persists and the defect repeats at 75 0 mm 2 95 inches or 94 0 mm about 3 7 inches replace the fuser see Fuser For more information about troubleshooting repeating defects see Repetitive defects troubleshooting The rollers are dirty A dirty roller in the paper path can cause a repetitive defect Examine and clean or replace the rollers in the paper path The media does not meet specifications Try a different media type or quality Preprinted form paper is used Some preprinted forms for example letterheads use an ink that cannot stand up to the high temperatures in the fuser Check the media for type and quality Replace the media and advise the customer to use the HP recommended media and to store it correctly See Media specifications 390 7 Troubleshooting Table 7 28 Distorted images AaBbCce AaBbCce AABDOCGC AABDOGC AaBbCce AaBbCce Table 7 29 Skew Possible cause The media does not meet specifications or is not stored correctly Recommended action s 1 Turn over the stack of media in the tray Also try
83. and then press Y to select it 2 To change the media size to Letter A4 Executive B5 JIS A5 or Legal leave the tray switch in the Standard position 3 To change the media size to other sizes move the tray switch to Custom adjust the paper guides against the paper and close the tray Use A and V to scroll to the media size and then press Y to select it 7 Troubleshooting Table 7 6 Alphabetical printer messages continued Ech Recommended action Control panel message Description TRAY XX EMPTY lt TYPE gt lt SIZE gt alternates with Ready For help press Y The specified tray is empty but the current job does not require this tray in order to print correctly 1 2 Refill the indicated tray If the error persists verify that the paper out sensor PS105 PS101 PS801 or SR3 for the indicated tray is functioning correctly See Printer switches and sensors 500 sheet feeder switches sensors solenoids and PCAs or 1 500 sheet feeder switches sensors solenoids and PCAs TRAY XX OPEN For help press alternates with Ready For menus press Y The specified tray is open or not closed completely Close the tray If this error persists verify that the media size sensors SW102 SW801 or SW1 for the indicated tray is functioning correctly See Printer switches and sensors 500 sheet feeder switches sensors solenoids and PCAs or 1 500 sheet feeder s
84. are DIMM LJ 4200 4300 only 2 Ifa disk drive is installed delete the previously stored print jobs to increase the disk storage space 3 If this error persists check the printer driver and program settings USE INSTEAD The printer is offering an alternative for the To use the alternative press Y SELECT print job button Or use 4 Up Arrow button and V TRON ES Down Arrow button to scroll to any lt SIZE gt alternative selection and then press Y to select it Display message troubleshooting 347 Numerical printer messages When resolving printer messages perform all listed actions in the order until the message is resolved Numerical printer messages Table 7 7 Numerical printer messages Control panel message Description Recommended action 10 XX YY SUPPLY10 XX YY SUPPLY MEMORY ERROR 10 XX YY SUPPLY MEMORY ERROR For help press The printer canot read the electronic information e label on the print cartridge in order to keep track of the page count for the print cartridge XX Description 00 memory error on the cartridge 10 memory device not found YY Description 00 black print cartridge 1 Open the top cover remove the print cartridge and then reinstall it See Print cartridge 2 Install a new HP print cartridge 3 Check the connection between the dc controller PCA location J97 and the memory chip on the print cartridge location J600 4 Replace the memory
85. aserJet Printer Family Paper Specification Guide The static eliminator teeth just beyond the transfer roller are contaminated or are not grounded which allows a static charge to remain on the page Clean the static eliminator teeth by using a small brush or compressed air Replace the assembly if it is damaged Image formation troubleshooting 389 Table 7 26 Loose toner or toner smear continued Possible cause The fuser is defective The print will smear if the fuser does not heat sufficiently to bond the toner to the paper The dc controller PCA is defective The dc controller PCA regulates the fuser roller temperature Recommended action s Replace the fuser See Fuser Replace the dc controller PCA See Dc controller PCA Table 7 27 Repeating defects and repeating images AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc pa Possible cause The print cartridge or fuser is damaged The circumference of the photoconductive drum inside of the print cartridge is 94 2 mm 3 7 inches If the defect repeats at this interval the defect is associated with the drum Repetitive defects caused by the LJ 4300 fuser roller repeat at 94 0 mm about 3 7 inches Because the LJ 4300 fuser roller is only 2 mm 07 inch smaller than the photoconductive drum distinguishing defects that are caused by the photoconductive drum from those that are caused by the LJ 4300 fuser roller c
86. at the printer remains idle before it enters the PowerSave Sleep mode For more information see System Setup submenu KH 320 7 Troubleshooting Diagnostics menu Administrators can use this menu to isolate parts and to troubleshoot jam and print quality issues The following section lists the settings and their possible values in the DIAGNOSTICS menu The default value for each setting is the one that has an asterisk next to it Table 7 4 Diagnostics menu Item Values Explanation PRINT EVENT LOG No values available Press Y SeLecT button to generate a list of the 50 most recent entries in the event log The printed event log shows the error number page count error code and description or personality that was in use when the event occurred SHOW EVENT LOG No values available Use A Up Arrow button or Y Down Arrow button to scroll through the event log contents PAPER PATH TEST No values available Generate a test page which is useful for testing the paper handling features PRINT TEST PAGE of the printer a SOURCE PRINT TEST PAGE Press Y the SeLect button to start the paper path test that uses the source tray destination output bin duplex and number of copies settings DESTINATION DUPLEX that you set in the other items on the Paper Path Test menu Set the other R COPIES items before selecting PRINT TEST PAGE m SOURCE Select the tray for the paper path that you want to te
87. ble 7 7 Numerical printer messages continued ee Recommended action Control panel message Description 3 Remove all of the pages from the output bin 4 Open the jam access door and remove all of the pages Close the access door 5 If this error message persists replace the stapler stacker 13 12 09 The stacker or stapler stacker paper inlet 1 Press Help button for detailed sensor has been active for longer than a information jam in output device specified time a 2 Press A Up Arrow button and V For help press Down Arrow button to step through the instructions NOTE The stacker or stapler stacker LED blinks in amber 3 Open the jam access door and remove all of the pages Close the access door 4 If this error message persists replace the stacker or stapler stacker 13 12 10 A page did not arrive at the stacker or 1 Press Help button for detailed stapler stacker paper inlet sensor in the information jam in output device specified time 2 Press 4 Up Arrow button and Y For help press Down Arrow button to step through the instructions NOTE The event log records this error message as 13 12 0A 3 Open the jam access door and remove all of the pages Close the access door NOTE The stacker or stapler stacker LED blinks in amber 4 Verify that the output bin deflector in the printer is operating correctly 5 If this error message persists replace the stacker or stapler stacker 13 12 11 A jam was d
88. bles between the laser scanner assembly and the dc controller PCA are not seated correctly or are defective Inspect and reseat the connectors If necessary replace the cables 7 Troubleshooting Table 7 38 Blank page Possible cause Recommended action s The software configuration is incorrect intermittent problem Make sure that the software program is not sending incorrect page length requests or extra page eject commands The network configuration is incorrect Some sharing devices on networks might generate a blank page as a print job separator Check with the network administrator Multiple feeds are occurring The printer might be feeding two or more pages at on time intermittent problem Remove the media from the tray and flex the stack in one direction and then the other to separate the pages Do not fan the stack Replace the stack in the tray The sealing tape was left in the print cartridge Remove the sealing tape The print cartridge is empty or defective Replace the print cartridge The laser scanner shutter door is not opening correctly No transfer roller voltage is being generated 1 Remove and reseat the print cartridge 2 Verify that the laser scanner shutter door can open correctly If necessary replace the laser scanner assembly See Laser scanner assembly Without transfer roller voltage toner does not transfer correctly from the s
89. bleshooting step is to separate print engine formatter and control panel problems Perform an engine test see Engine test page If the formatter is damaged it might interfere with the engine test If the engine test page does not print try removing the formatter and then performing the engine test again If the engine test is then successful the problem is almost certainly with the formatter the control panel or the cable that connects them If the printer control panel is blank when you turn on the printer check the following items 1 Make sure that the printer is plugged into an active electrical outlet receptacle that delivers the correct voltage 2 Make sure that the on off switch is in the on position 3 Make sure that the fan runs briefly which indicates that the power supply is operational A Make sure that the control panel display wire harness is connected See the hint in the procedure for Top cover 5 HP LaserJet 4200 and 4300 Series printers only Make sure that the firmware DIMM and the formatter are seated and operating correctly See Firmware DIMM LJ 4200 4300 only 6 Remove any HP Jetdirect or other EIO cards and then try to turn the printer on again E NOTE If the printer control panel display is blank but the main cooling fan runs briefly after the printer power is turned on try printing an engine test page to determine whether the problem is with the control panel display formatter or other printer co
90. bly See Tray 2 lifter drive assembly Replace the dc controller PCA See Dc controller PCA 60 3 Tray 3 lifter motor failure The tray 3 lifter motor is not functioning Tray 3 can be a 500 sheet feeder or 1 500 sheet feeder accessory Turn the printer off and then on If the error persists turn the printer off Verify that the tray 3 lifter wire harness is fully seated in its connector on the sheet feeder PCA Replace the tray 3 lifter driver assembly See 500 sheet feeder lifter drive assembly or 1 500 sheet feeder lifter drive assembly Replace the tray 3 feeder controller PCA See 500 sheet feeder control PCA or 1 500 sheet feeder control PCA 60 4 Tray 4 lifter motor failure The tray 4 lifter motor is not functioning Tray 4 can be a 500 sheet feeder or 1 500 sheet feeder accessory Turn the printer off and then on If the error persists turn the printer off Verify that the tray 4 lifter wire harness is fully seated in its connector on the sheet feeder PCA Replace the tray 4 lifter assembly See 500 sheet feeder lifter drive assembly or 1 500 sheet feeder lifter drive assembly Replace the tray 4 feeder controller PCA See 500 sheet feeder control PCA or 1 500 sheet feeder control PCA 62 NO SYSTEM To continue turn off then on No system firmware image was found Turn the printer off and then on Reseat the firmware DIMM in slot J1 See Firm
91. canner assembly 4 H after replacing the laser scanner the problem persists replace the dc controller PCA See Dc controller PCA 5 If after replacing the dc controller PCA the problem persists replace the Formatter assembly See Formatter assembly Horizontal scars on the photosensitive drum Replace the print cartridge AaBbCce AQBbCc AQBbCc AaBbCce AaBbCce 388 Defective fuser film Possible cause The media does not meet specifications or is not stored correctly Replace the fuser Recommended action s 1 Turn over the stack of media in the tray Also try rotating the media 180 2 Check the media type and quality Replace the media if it does not meet specifications and advise the customer to use the HP recommended media and to store it correctly See Media specifications The inside of the printer is dirty toner leaked out of the print cartridge Clean the inside of the printer see chapter 3 and install a new print cartridge The operating environment does not meet specifications Make sure that the printer is installed in an area that meets the environmental specifications See Operating environment 7 Troubleshooting Table 7 25 Grey background continued Possible cause Recommended action s The customer is printing on the envelope seams Printing on an envelope seam can cause a background scatter problem The to
92. cant repairs Basic troubleshooting for persistent jams The basic troubleshooting process for jams consists of the following steps 1 Gather data 2 Identify the cause of the problem 2 Fix the problem Data collection To troubleshoot jams gather the following information The exact error code that appears on the control panel m The location of the leading edge of all of the media that is in the paper path a The location of the media when the jam occurs in the paper path or at the input tray m The timing of the jam at power up or while paper is moving m The location of any damage that occurs on the media and the location in the paper path where the damaged media stops m The relationship to a particular tray a The relationship to duplex printing a The relationship to the type of paper m The use of any non HP supplies non HP supplies are known to cause jams Paper handling conditions including storage conditions overloading trays damaging media during loading fanning of the paper ream or use of paper that has already been fed through this printer another printer or a copier General paper path troubleshooting Use the following information to isolate the cause of the problem When you have identified the cause use the tables that follow to find a recommended solution View or print the event log to determine if a particular jam error occurs more often than others Try to identify a pattern m View or print t
93. chip cable and contact assembly 5 Replace the dc controller PCA See Dc controller PCA 13 XX YY DUPLEX JOB INTERRUPTED For help press alternates with 13 XX YY DUPLEX JOB INTERRUPTED Discard top sheet and press Y 13 XX YY DUPLEX JOB INTERRUPTED Discard top two sheets and press Y A duplex job was physically interrupted as the paper was momentarily routed to the output bin during duplexing This error is usually caused by a user who is attempting to grasp the edge of the page as it exits the top output bin during the duplexing process 1 Press Herr button for more information 2 Remove the specified number of pages from the output bin 3 PressY SeLecT button to continue printing 4 Replace the duplexer 5 Replace the dc controller PCA See Dc controller PCA Ea NOTE If JAM RECOVERY OFF some pages will not be reprinted Resend the missing pages 13 XX YY JAM For help press A jam exists in the media path 1 Press Here button for detailed information about clearing the jam 2 Press 4 Up Arrow button and V Down Arrow button to step through the instructions 3 If the media is folding into an accordion shape make sure that the shutter on 7 Troubleshooting Table 7 7 Numerical printer messages continued Recommended action Control panel message Description the print cartridge opens as you insert the cartridge Replace any defective prin
94. d wsoer z s adoja uz 2jdjjnw doj aug ado ug 06Sd z06Sd Loew ZO6L l ze Leer goer soer j A lr D a Di KI 906r SO6P soer T elE zoer TT e Liege le fe Iv goer 206P la le IER e je jt e e Jk t e jz jt LO6LN s e e z b 706P goer zoer Loer 706P oer zoer Loer ez ez vez g9e rvect Zor Sor SBUAQBtE SBR SLR e222 252282 252 2532 FREE Saz fe Od JaAUp adoja ug Josuas ado Aug k06sd Envelope feeder accessory wiring diagram 433 Figure 7 33 Envelope feeder accessory wiring diagram Printer and accessory wiring diagrams 434 Stacker accessory wiring diagram Door switch SW1101 for N Q D J eil 5 al n rj a o ra o o Cc ER 2 Fa dE E oo 2 o N om o E D ma br 5 E o 3 N a Boe 5 HO o a2 a PO So Ome S o S S5 Ta Ka a o lt ON ANO 0 G31N 9 Q31N 1S d14 Nver NPgt Avert Stacker driver PCB LNO H NVO 1NO T NVO 1NO NOYMd ANO Apr OMS 1S31 LMS 1S51 eMS 1S31 MS LSAL Q3a1 1saL ONS ANO LNO HSV14 OGW HSV14 NTO HSVI4 caWw HSY14 NI HSV13 OLOV HSV14 NGt 10H ON J1106 J1103 J1107 J106LA 5 J1101 Leb DEE J106LB e 2 2 5 o o D 2 o Feed motor Figure 7 34
95. d correctly See Paper feed assembly 13 01 00 or 13 03 00JAM IN TRAY x For help press 13 03 00 Paper JAM open input trays then open and close top cover A page is jammed in tray X A 13 01 00 error message indicates that the media did not arrive at the pre feed sensor PS102 within the specified time A 13 03 00 error message indicates that the media did not arrive at the top of page sensor PS103 within the specified time If the actions listed above do not resolve the issue continue with the following 1 Open and close the specified tray while watching the control panel display A short delay should occur between when the tray closes and the tray size message appears on the control panel display If there is no delay and you do not hear the tray lift motor lift the tray plate into place replace the stack position sensor PS107 PS802 or SR2 in the tray See Printer switches and sensors 500 sheet feeder switches sensors solenoids and PCAs or 1 500 sheet feeder switches sensors solenoids and PCAs Replace the tray X pickup solenoid Replace the tray 1 paper pickup assembly See Tray 1 paper pickup assembly Display message troubleshooting 349 Table 7 7 Numerical printer messages continued Control panel message Description Recommended action E NOTE The 13 01 00 error can 4 ee E SE assembly See also be caused by the failure of
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97. dirt is difficult to remove rub the roller with lint free paper that has been dampened with water Table 7 40 Repetitive defects Roller Primary charging roller Distance between defects 37 7 mm 1 5 inches Replacement part Print cartridge Developer roller Fuser 62 8 mm 2 5 inches 75 0 mm 2 95 inches 94 0 mm 3 75 inches Print cartridge Fuser 7 Troubleshooting Table 7 40 Repetitive defects continued Roller Distance between defects Replacement part Photosensitive drum 94 2 mm 3 75 inches Print cartridge The developer roller circumference is 62 8 mm 2 5 inches A defect that is related to the developing roller will most likely repeat at intervals of 54 0 mm 2 125 inches because of the way the roller is geared Ea NOTE Defects on the tray pickup rollers or the tray 1 pickup roller do not cause a repetitive defect Defects on these rollers cause a defect to appear only on the leading edge of the image First occurrence of the defect 37 7 mm 1 5 inches primary charging roller Note The developer roller circumference is 54 0 mm 2 125 inches developer roller see note T 62 83 mm 2 5 inches A defect that is related to the developing roller will most likely een e 75 0 mm 2 95 inches fuser LJ 4200 because of the way the roller is geared 62 8 mm 2 5 inches developer roller see note 94 0 mm 3 75 inches fuser L
98. ds and PCAs Verify that the sensor fingers inside the tray are engaging the tray sensor correctly See Tray 2 500 sheet feeder and 1 500 sheet feeder media size detection 345 Table 7 6 Alphabetical printer messages continued Control panel message TRAY XX lt TYPE gt lt SIZE gt To change type press Y alternates with TRAY XX lt TYPE gt lt SIZE gt Size detected by tray Description The printer is reporting the current configuration of tray XX The tray switch is in the Standard position Recommended action 1 To change the media type press Y Select button Use 4 Up Arrow button and Y Down Arrow button to scroll to the type and then press Y to select it 2 To change the media size to Letter A4 Executive B5 JIS A5 or Legal leave the tray switch in the Standard position and adjust the media guides to the correct positions 3 To change the media size to other sizes move the tray switch to Custom adjust the paper guides against the stack and close the tray 4 Use 4 and Y to scroll to the media size and then press Y to select it Repeat this procedure to select the media type 5 If the size that appears on the control panel display is incorrect and the tray paper guides are correctly adjusted verify that the media size sensor SW102 SW801 or SW1 for the indicated tray is operating See Printer switches and sensors 500 sheet feeder switches sensors
99. e 7 27 Repeating defects and repeating images and repeating images AaBbCc AaBbCce AABDOGC AABROGC AaBbCc AaBbCc See Table 7 28 Distorted images See Table 7 29 Skew See Table 7 30 Curl AaBbCce See Table 7 31 Or wave Creases See Table 7 32 White lines 382 7 Troubleshooting Table 7 19 Print quality image defects continued See Table 7 32 White lines AaBbCc AaBbCc AaBbC AaBbCcz Ra Main Aa Dt A See Table 7 33 See Table 7 34 White spots on black Smudged lines either direction See Table 7 35 Scattered lines See Table 7 36 Blurred print See Table 7 37 Black AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc See Table 7 39 Dark print See Table 7 38 Blank page page Table 7 20 Light print partial page Possible cause Recommended action s Cc Cc Cc Cc Cc The print cartridge is not installed correctly Remove the print cartridge and then reinstall it The top cover should close completely when the cartridge is fully seated The toner supply is low or the print cartridge developer is defective 1 Shake the print cartridge gently to redistribute the toner 2 Replace the cartridge The transfer roller is worn or contaminated or maintenance might be due Print a supplies status page seeSuppl
100. e gears are damaged Clean the separation pad If it is dirty after cleaning or if it is worn or damaged replace the separation pad Check the drive gears in the tray 1 pickup assembly Replace the pickup assembly if the gears are damaged The tray 1 pickup solenoid SL102 is defective 1 Disconnect the connector for the tray 1 pickup solenoid from the dc controller PCA location J79 2 Measure the resistance between the cable connectors 3 If the measured resistance is not approximately 160 ohms for the HP LaserJet 4200 4300 or 110 ohms for the HP LaserJet 4250 4350 replace the tray 1 pickup solenoid The tray 1 pickup assembly is defective Replace the tray 1 paper pickup assembly See Tray 1 paper pickup assembly The dc controller PCA is defective Replace the dc controller PCA See Dc controller PCA Damaged gears in the cassette pick up drive unit Move the gears in the cassette pick up drive unit If the gears are not rotating correctly or are damaged or worn replace the cassette pick up drive unit Dirty worn or deformed feed roller Clean the feed roller If it is dirty after cleaning or if it is worn or damaged replace the pickup roller Defective feed roller clutch Disconnect the connector J89 Measure the resistance between the cable side connectors J89 1 and J89 3 If it is not about 145 ohms replace the feed roller clutch Paper path troubleshooting 371 372
101. e menu after about one minute if no menu items are selected or changed Use the PIN codes provided in the table Table 7 5 Service PIN codes Table 7 5 Service PIN codes Printer model PIN code HP LaserJet 4200 Series printer 11420002 HP LaserJet 4250 Series printer 09425004 HP LaserJet 4300 Series printer 11430002 HP LaserJet 4350 Series printer 09435004 1 Pressv Setect button or the Menu button to open the menus 2 Use 4 Up Arrow button or Down Arrow button to scroll to SERVICE and then press v 3 Press 4 or Y until the first digit of the PIN code appears Press v to save that digit Repeat this selection procedure until you have typed the entire eight digit PIN code You can use Back Arrow button to return to a PIN digit When the last digit is saved the service submenu appears on the control panel display 4 Use 4 orto scroll to the service menu item that you want and then press vy Clear event log Select this item to clear reset to zero the internal event log Total page count Select this item to set the total number of pages that have been printed to date Typically this is only required when a new formatter is installed a Maintenance count Select this item to set the number of pages that have been printed since the last maintenance kit was installed or the total number of pages that have been printed on this printer if a maintenance kit has not yet been installed during the first 200 000
102. e quality issue Table 7 18 Image quality checks Image quality check Action Does the problem repeat on the page Use the repetitive defect table to determine the cause of the repeating defect See Repetitive defects troubleshooting Is the print cartridge full and is it manufactured by HP Check the print cartridge as described in this chapter and verify that you are not using the EconoMode setting when sending the print job See Check the print cartridge and EconoMode Is the customer using print media that meets all HP For more information about HP s media specification standards standards see chapter 1 or the HP LaserJet Printer Family Print Media Guide See Supported media weights and sizes and Paper and print media Is the print sample similar to one in the print quality tables Compare the sample to the print quality tables in this See Image defect tables chapter and perform the corresponding procedures that are recommended See Image defect tables Is the problem in the print cartridge the transfer roller or the Perform the half self test functional check and the drum fuser rotation functional check to determine the location of the defect See Half self test functional check and Drum rotation functional check If the toner image is present on the drum surface assume that the first four functions of the electrophotographic process are functioning and troubleshoot the failure as a trans
103. ed rollare are to be replaced together Damaged gears in the cassette pick up drive unit Move the gears in the cassette pick up drive unit If the gears are not rotating correctly or are damaged or worn replace the cassette pick up drive unit 7 Troubleshooting Jams in tray 3 or tray 4 Table 7 11 Causes of tray 3 and or tray 4 jams Cause Solution The feed or separation rollers are dirty worn or damaged Clean the rollers If they are dirty after cleaning or if they are worn or damaged replace the rollers See 500 sheet feed rollers or 1 500 sheet feeder feed rollers or 1 500 sheet feeder separation roller The pickup roller is worn or damaged Replace the pickup roller The drive transmission gear is damaged Check the gears and replace any damaged or worn parts The tray 3 or tray 4 paper pickup drive gears are damaged or the assembly is defective Check the drive gears in the paper pickup unit Replace the pickup drive assembly if the gears are damaged See 500 sheet feeder paper pickup drive assembly or 1 500 sheet feeder paper pickup drive assembly The connector to the printer has poor contact Inspect the connector to the printer Replace any damaged connectors The paper feeder pickup solenoid is damaged 1 Disconnect the connector for the paper feeder solenoid from the feeder control PCA 2 Measure the resistance between the cable connectors 3 If t
104. ef Accessory Product number Service exchange number 1 500 sheet tray and feeder Q2240B Q2440 67903 2 1 500 sheet tray and feeder Q2444B Q2444 67902 3 Duplexer Q2439B Q2439 67902 4 75 sheet envelope feeder Q2438B Q2438 67902 5 500 sheet stapler stacker Q2443B Q2443 67908 6 500 sheet stacker Q2442B Q2442 67902 7 Printer stand Q2445B Q2445 60102 Consumables and accessories 449 450 Memory fonts and mass storage Figure 8 3 Memory fonts and mass storage Table 8 4 Memory fonts and mass storage Ref Item Product number Service exchange number 1 Firmware DIMM LJ 4200 base model Q2453 67925 1 Firmware DIMM LJ 4200 all models except for base model Q2453 67906 1 Firmware DIMM LJ 4200L Q2453 67932 1 Firmware DIMM LJ 4300 Q2453 67915 1 SDRAM DIMM 8 MB LJ 4200 4300 C7842 67901 1 SDRAM DIMM 16 MB LJ 4200 4300 C7843 67901 1 SDRAM DIMM 32 MB LJ 4200 4300 C7845 67901 1 SDRAM DIMM 64 MB LJ 4200 4300 Q1887 67901 1 SDRAM DIMM 128 MB LJ 4200 4300 09121 67901 1 100 pin DDR DIMM 48 MB LJ 4250 4350 Q6007 67951 1 100 pin DDR DIMM 64 MB LJ 4250 4350 Q2625 67951 1 100 pin DDR DIMM 80 MB LJ 4250 4350 Q6008 67951 1 100 pin DDR DIMM 96 MB LJ 4250 4350 Q6009 67951 1 100 pin DDR DIMM 128 MB LJ 4250 4350 Q2626A Q2626 67951 1 100 pin DDR DIMM 256 MB LJ 4250 4350 Q2627A Q2627 67951 1 100 pin DDR DIMM 512 MB LJ 4250 4350 Q2628A Q2628 67951 1 Font DIMM Korea
105. egistration assembly RM1 0011 060CN 1 22 Power supply assembly 110 127 V LJ 4200 also see Figure RM1 0019 050CN 1 8 9 Electrical components 22 Power supply assembly 220 240 V LJ 4200 also see Figure RM1 0020 000CN 1 8 9 Electrical components 22 Power supply assembly 110 127 V LJ 4250 4350 also see RM1 1070 000CN 1 Figure 8 9 Electrical components 22 Power supply assembly 220 240 V LJ 4250 4350 also see RM1 1071 000CN 1 Figure 8 9 Electrical components 22 Power supply assembly 110 127 V LJ 4300 also see Figure RM1 0107 000CN 1 8 9 Electrical components 22 Power supply assembly 220 240 V LJ 4300 also see Figure RM1 0108 000CN 1 8 9 Electrical components Internal components 463 Description Part number Screw tapping pan head m4x10 XB4 7401 007CN Screw w washer m3x6 XB2 7300 607CN 464 8 Parts and diagrams Internal components 465 5a 8 1 Q Q y a ER S 15 9 3 SW102 i 3120 Bi 6 22 N ng P8107 an 9120 Gs E A Ca G8 CAN Lo aS A lt x ia SES 26 Dy Ts 26 ee 19 Figure 8 7 Internal components 2 of 3 8 Parts and diagrams 466 Table 8 9 Internal components 2 of 3 Ref 18 19 20 21 22 23 23 24 25 26 27 29 Description Rod switch Guide scanner cable Guide scanner cable Gear 18t Shaft retard drive Sensor top bin full stack PS
106. ers contaminates the printer and can cause printer damage if used repeatedly Image formation troubleshooting 377 378 Overhead transparency defects Overhead transparencies can show any of the image quality problems that appear in other types of media in addition to defects that are specific to transparencies Also because transparencies are pliable they can be affected by the media handling components in the paper path E NOTE Allow transparencies to cool at least 30 seconds before handling them m On the printer driver Paper tab select Transparency as the media type Also make sure that the tray is correctly configured for transparencies u Make sure that the transparencies meet the specifications for this monochrome laserjet printer For more information consult the HP LaserJet Printer Family Print Media Guide Handle transparencies by the edges Skin oil on the surface of transparencies can cause spots and smudges Small random dark areas on the trailing edge of solid fill pages might be caused by transparencies sticking together in the output bin Try printing the job in smaller batches m To show the printed transparency use a standard overhead projector instead of a reflective overhead projector Print quality problems that are related to the environment m The printer is operating in excessively humid or dry conditions Verify that the printing environment is within specifications See Operating environment
107. es This section contains information about printing information and test pages resetting printer options using the diagnostics and service menus and using the embedded Web server See Troubleshooting tools Interface troubleshooting This section provides techniques for isolating the source of communication problems to the printer hardware the printer configuration the network configuration or the software program See Interface troubleshooting Display message troubleshooting This section explains each control panel display message and suggests recommendations for resolving the cause of each message When the printer message indicates a failure for which the root cause is not obvious use the troubleshooting process section and the troubleshooting tools section in this chapter to solve the problem See Display message troubleshooting Paper path troubleshooting This section provides information to help solve feed problems including print media checks jam troubleshooting checks and information about media caused and printer caused jams See Paper path troubleshooting Image formation troubleshooting This section explains methods for solving print quality problems See Image formation troubleshooting Stacker and stapler stacker troubleshooting This section provides information about solving stacker and stapler stacker problems See Troubleshooting the stacker and the stapler stacker Printer and accessory components Thi
108. es after servicing the printer e Supplies status This page shows the levels of the printer supplies a calculation of the number of pages that can be printed before the supplies are replaced and cartridge usage information e File directory This page provides information about files on the RAM disk or installed ElO disk drives and flash DIMMs if those memory accessories are installed e Usage page The usage page is only available if an optional hard disk is installed It provides useful accounting information for example the number of pages of various paper sizes that have been used and data that can be used to calculate toner usage e PCL font list This page lists the PCL fonts that are installed in the printer memory This page also lists fonts on an optional hard disk accessory or flash DIMM if those memory accessories are installed e PS font list This page lists the PS fonts that are installed in the printer memory This page also lists fonts on an optional hard disk accessory or flash DIMM if those memory accessories are installed 7 Troubleshooting Menu map Use the menu map to help navigate the printer submenus and select configuration settings Printing a menu map is very helpful when you are changing numerous printer settings 1 Press v Setect button or the Menu button to open the menus 2 Use 4 Up Arrow button or Y Down Arrow button to scroll to INFORMATION and then press wa 3 Use 4 or Y to scroll to ME
109. eshooting Table 7 7 Numerical printer messages continued Control panel message PRINTER ERROR To continue turn off then on 57 3 EP fan failure 57 4 main fan failure Description X Description 3 Cooling fan right side LJ 4250 4300 4350 only 4 Main cooling fan left side Recommended action 57 3 Cartridge fan error F2 1 Reconnect the connector between the fan and the dc controller PCA location J78 2 Replace the fan See Cooling fan right side HP LaserJet 4250 4300 4350 Series printers only 3 Replace the dc controller PCA See Dc controller PCA 57 4 Main fan error F1 1 Reconnect the connector between the fan and the power supply 2 Verify that the ribbon cables are fully seated in the connectors on the dc controller PCA 3 Replace the fan See Main cooling fan left side 4 Replace the power supply assembly See Power supply 5 Replace the dc controller PCA See Dc controller PCA 57 7 duplex fan failure The cooling fan in the optional duplexer is not functioning 1 Turn the printer off and then on 2 Replace the duplexer 58 X PRINTER ERROR For help press alternates with 58 X PRINTER ERROR To continue turn off then on Display message troubleshooting A memory error has been detected X Description 2 air temperature sensor 3 Dc controller 4 power supply Tum the printer off and then on 58 2 Air temperature sensor 1 Turn t
110. etected when the stacker or 1 Press Here button for detailed stapler stacker power was turned on information jam in output device 2 Press A Up Arrow button and Y For help press Down Arrow button to step through the instructions NOTE The event log records this error message as 13 12 0B 3 Remove all of the pages from the output bin NOTE The stacker or stapler stacker LED blinks in amber 4 Open the jam access door and remove all of the pages Close the access door 5 If this error persists replace the stacker or the stapler stacker 7 Troubleshooting Table 7 7 Numerical printer messages continued Control panel message 13 13 00 JAM INSIDE DUPLEXER For help press Description A page is jammed inside of the duplexer Recommended action 1 Press Herr button for detailed information about clearing the jam Press 4 Up Arrow button and V Down Arrow button to step through the instructions Check the inside of the duplexer for scraps of media that might have been torn off when a jam was cleared Turn the power off Remove the duplexer and turn the power on If this error persists replace the dc controller PCA See Dc controller PCA Replace the duplexer 13 1C 00 FUSER JAM For help press A jam exists in the fuser area The media is probably wrapped around the fuser roller Remove the fuser Turn the blue knob to remove the jammed media If necessary rep
111. etitive defect See Repetitive defects troubleshooting The print cartridge has passed its life expectancy Possible cause The media does not meet specifications or is not stored correctly The print cartridge has an expected life of 12 000 pages for the HP LaserJet 4200 printer and 18 000 pages for the HP LaserJet 4300 printer Replace the print cartridge Recommended action s 1 Turn over the stack of media in the tray Also try rotating the media 180 2 Check the media for type and quality Replace the media if it does not meet specifications and advise the customer to use the HP recommended media and to store it correctly See Media specifications The operating environment does not meet specifications Make sure that the printer is installed in an area that meets the environmental specifications See Operating environment The print cartridge is defective Replace the print cartridge 7 Troubleshooting Table 7 35 Scattered lines Possible cause Recommended action s The media does not meet specifications or is not stored correctly 1 Turn over the stack of media in the tray Also try rotating the media 180 2 Check the media for type and quality Replace the media if it does not meet specifications and advise the customer to use the HP recommended media and to store it correctly See Media specifications The operating environment
112. fer or fusing problem If the image on the media is correct before it enters the fuser then the problem exists in the fuser SS SSSSSSSS SSS eae Image formation troubleshooting 379 380 Check the print cartridge Image formation defects are often the result of problems with the print cartridge If you suspect that the print cartridge is the source of the problem replace the print cartridge before troubleshooting image defects Use the following list to make sure that the print cartridge is still operable m Check the print cartridge to see if it has been disassembled or refilled m Inspect the cartridge for toner leaking through worn seals If the drum has been manually rotated it might have caused internal damage and toner spills can result E NOTE Print cartridges are rated for 10 000 LaserJet 4250 4350 12 000 LaserJet 4200 18 000 LaserJet 4300 and 20 000 LaserJet 4250 4350 images at 5 coverage His possible to wear out the photoconductive drum gears and the cartridge seals before TONER LOW appears on the control panel if average toner coverage is less than 596 See EconoMode m Check the surface of the photosensitive drum in the cartridge to see if it has been damaged or scratched Touching the drum contaminates the photosensitive surface and can cause spotting and defects during printing m Dark areas on the page might indicate that the drum has been exposed to light for too long If dark areas appear stop t
113. ftware program or print job contact the software vendor for assistance If the message persists when using different software programs and attempting specific print jobs disconnect all cables that connect the printer to the network or a computer Turn the printer off Remove all memory DIMMs or third party DIMMs from the printer Do not remove the firmware DIMM in slot J1 See Firmware DIMM LJ 4200 4300 only Remove all of the EIO devices from the printer 49 XXXX PRINTER ERROR To continue turn off then on A critical firmware error has occurred that caused the processor on the formatter to abort the operation This type of error can be caused by invalid print commands corrupt data or invalid operations In some instances electrical noise in the cable can corrupt data during transmission to the printer Other causes include poor quality parallel cables poor connections or specific software programs Sometimes the formatter itself is at fault which is usually indicated by a 79 Service Error After performing the actions above procede with the following 1 2 Turn the printer on If the error message disappears reinstall each DIMM and EIO device individually making sure to turn the printer power off and then on again as you install each device To replace a DIMM see Firmware DIMM LJ 4200 4300 only Replace the DIMM or EIO device that caused the error message Remember
114. function occurred If you don t know which trays and bins were used when the malfunction occurred then perform several test prints using all combinations of tray and delivery method 2 Image defects that occurred at the user site might not re occur in test prints Try printing from a computer to replicate the image defect Troubleshooting process 305 306 Power on checks The basic printer functions should start up as soon as the printer is plugged into an electrical receptacle and the power switch is pushed to the on position Overview Turn on the printer power If the control panel display remains blank random patterns appear or asterisks remain on the display perform power on checks to locate the cause of the problem During normal printer operation the main cooling fan begins to spin briefly after the printer power is turned on Place your hand over the holes in the left side cover If the fan is operating you will feel a slight vibration and feel air passing into the printer You can also lean close to the printer and hear the fan operating When this fan is operational the dc side of the power supply is functioning correctly After the fan is operating the main motor turns on unless the top cover is open a jam condition is sensed or the paper path sensors are damaged You should be able to visually and audibly determine if the main motor is turned on If the fan and main motor are operating correctly the next trou
115. fuser See Fuser The laser beam or beam circuitry is unstable Check the cables between the dc controller and the laser scanner assembly If the cables are not connected connect the cables If after checking the cables between the dc controller and the laser scanner the problem persists replace the laser scanner assembly See Laser scanner assembly If after replacing the laser scanner the problem persists replace the dc controller PCA See Dc controller PCA If after replacing the dc controller PCA the problem persists replace the Formatter assembly See Formatter assembly Image formation troubleshooting 395 396 AaBbCce AaBbCc AaBbCc AaBbCc z AaBbCc ITAY Table 7 34 White spots on black Table 7 33 Smudged lines either direction Possible cause The paper path is contaminated or damaged Recommended action s 1 Perform the half self test functional check See Half self test functional check If the drum is damaged replace the print cartridge 2 Process a printer cleaning page See Running the cleaning page manually If the problem persists replace the fuser See Fuser 3 Check the tray 1 feed roller and the rollers in the other trays Clean or replace the rollers as necessary 4 Check for other sources of contamination or damage in the paper path and clean or replace parts as necessary This type of defect might also be a rep
116. fy that the sensor fingers inside the tray are engaging the tray sensor correctly Print a configuration page See Configuration page Display message troubleshooting 337 Table 7 6 Alphabetical printer messages continued Control panel message Description Recommended action If the tray settings on the configuration page are correct verify that the tray paper out sensor is operating See Printer switches and sensors 500 sheet feeder switches sensors solenoids and PCAs or 1 500 sheet feeder switches sensors solenoids and PCAs INSTALL CARTRIDGE alternates with For help press The cartridge is either not installed or not correctly installed in the printer Insert the cartridge or make sure that the cartridge is fully seated Press Herr button for detailed information Press 4 Up Arrow button and Down Arrow button to step through the instructions If the error persists replace the cartridge Verify that the connectors between the power supply and transfer assembly are not damaged Replace the power supply assembly See Power supply INSTALL FUSER For help press The fuser is either not installed or not correctly installed in the printer The fuser is not fully seated or has been removed and must be reinstalled for printing to continue See Fuser e Ifthe fuser is in the printer remove and reinstall it e If the fuser is not
117. g order RETRIEVE JOB m INFORMATION PAPER HANDLING m CONFIGURE DEVICE DIAGNOSTICS m SERVICE Troubleshooting tools 309 310 Information pages 1 2 3 4 Press y Select button or the Menu button to open the menus Press g Down Arrow button to scroll to INFORMATION Press v to select INFORMATION Press Y to scroll to a listed information page The following pages are available e Menu map e Usage page e Configuration e PCL font list e Supplies status e PS font list e File directory Press v to select and print the selected information page The informational pages for the printer are also available in the embedded Web server Not all information pages are discussed in detail in this manual For more information see the HP LaserJet 4200 4300 Use Guide or the HP LaserJet 4250 4350 Use Guide The following are the information pages e Menu map A menu map shows how individual items are configured within the high level user set values menus The last page of the menu map series contains instructions about how to use the control panel buttons Print a menu map before changing printer settings or before replacing the formatter assembly e Configuration page The configuration page lists printer configuration information For example the printer serial number and tray size settings appear on the configuration page Print a configuration page before servicing the printer to help restore valu
118. he error message persists replace the dc controller PCA See Dc controller PCA 7 If the error message appears frequently see Paper path troubleshooting 13 12 07 A jam exists in the staple cartridge the 1 Press Herr button for detailed stapler did not finish stapling but was able information jam in stapler to return to its home position 2 Press 4 Up Arrow button and Y Down Arrow button to step through the instructions NOTE The stapler stacker LED blinks in amber this error applies to the stapler stacker only 3 Remove any jammed paper from the stapler stacker 4 Remove the staple cartridge from the stapler unit 5 Push the green door on the end of the staple cartridge up in the direction of the arrows 6 Remove the jammed staple 7 Close the staple cartridge door Replace the cartridge in the stapler unit 8 Close the staple unit 9 Ifthe error persists replace the staple cartridge 10 Ifthe error persists replace the stapler unit See To remove and replace the stapler unit 13 12 08 The output bin page detection sensor has 1 Press Herr button for detailed been active for longer than the specified information jam in output device time 2 Press 4 Up Arrow button and Y Down Arrow button to step through the instructions NOTE The stapler stacker LED blinks in amber this error applies to the stapler stacker only Display message troubleshooting 351 Ta
119. he event log to determine the frequency of a particular jam If a jam occurs repeatedly at a particular page count consider this event to be a single jam that the customer tried to clear 7 Troubleshooting m Try printing from all of the available input trays and to all of the available output bins to identify whether the problem is isolated to one tray Print the job in both the simplex and duplex mode to identify whether the problem occurs only in one mode or the other m Try printing on paper from an unopened ream that has been stored correctly If the jam does not occur with this media then the customer s media might be causing the problem m Ifthe jam occurs when the printer is first turned on check the paper path for small torn pieces of media Also check for broken sensors or flags and check for loose or defective connections m If the media is torn folded or wrinkled typically along the leading edge inspect the paper path for items that might be causing the damage m If the customer is using non HP supplies try replacing those supplies with genuine HP supplies to see if the problem is resolved m If necessary explain the correct methods of media storage media loading and printer operation to the customer Make sure that the customer knows not to remove media from the output bin especially during duplex printing until it completely exits the output delivery assembly Paper path checklist a Verify that the media i
120. he measured resistance is not approximately 160 ohms for the HP LaserJet 4200 4300 or 110 ohms for the HP LaserJet 4250 4350 replace the paper feeder pickup solenoid See 500 sheet feeder switches sensors solenoids and PCAs or 1 500 sheet feeder switches sensors solenoids and PCAs The tray 3 or tray 4 lifter assembly or stack position sensor PS802 or SR2 is defective Replace the lifter drive assembly 500 sheet feeder or the lifter drive assembly 1 500 sheet feeder See 500 sheet feeder lifter drive assembly or 1 500 sheet feeder lifter drive assembly Replace the surface stack sensor PS802 for the 500 sheet feeder or SR2 for the 1 500 sheet feeder See 500 sheet feeder switches sensors solenoids and PCAs or 1 500 sheet feeder switches sensors solenoids and PCAs The paper feeder control PCA is defective Replace the paper feeder control PCA See 500 sheet feeder control PCA and 1 500 sheet feeder control PCA The dc controller PCA is defective Replace the dc controller PCA See Dc controller PCA Paper path troubleshooting 373 Jams in the paper path Ea NOTE Avoid using odd sized media Odd sized media might not travel between the transfer roller and the fuser without getting jammed Avoid using short grain paper Short grain paper might curl excessively and become jammed This type of jam is often found between the fuser and the output destination or in the duplexe
121. he printer and wait a few minutes This should eliminate most defective images If not placing the print cartridge in a dark environment for several days can restore some life to the drum EconoMode EconoMode creates draft quality printing by reducing the amount of toner on the printed page by up to 50 Advise the customer to turn EconoMode on or off from the printer driver or software program because those settings override the control panel settings EconoMode settings can also be changed from the print quality menu on the control panel CAUTION Hewlett Packard does not recommend full time use of EconoMode If EconoMode is always used the toner supply will probably outlast the mechanical parts in the print cartridge 7 Troubleshooting Half self test functional check The electrophotographic process can be subdivided into the following stages m Cleaning removes excess toner from the drum surface u Conditioning places a uniform electrical charge on the drum p Writing the laser strikes the surface of the drum to create an electrostatic image p Developing forms the toner image on the drum Transferring charges transfer the image to the print media Fusing heat and pressure produces a permanent image The purpose of the half self test check is to determine which process is malfunctioning Use this procedure to perform the test 1 Print a configuration page from the control panel INFORMATION menu 2 Open the top c
122. he printer off and then on 2 Reconnect the connector between the air temperature sensor the bar mounted across the main cooling fan on the left side of the printer and the power supply location J63 3 Replace the air temperature sensor See Main cooling fan left side 4 Replace the power supply assembly See Power supply 58 3 Dc controller 1 Replace the dc controller PCA See Dc controller PCA 58 4 Power supply 1 Replace the power supply assembly See Power supply 359 Table 7 7 Numerical printer messages continued Control panel message Description Recommended action 59 XY PRINTER ERROR For help press alternates with 59 XY PRINTER ERROR To continue turn off then on A printer motor error has occurred X Description 0 main motor error 1 motor startup error 2 motor rotation error 4 print cartridge motor error LJ 4250 4300 4350 only A print cartridge motor error LJ 4250 4300 4350 only Y Description Y 0 59 00 59 10 59 20 Motor failure 1 Turn the printer off and then on 2 Reconnect the main motor wire harness on the dc controller PCA location J98 3 Replace the main motor See Main motor 4 Replace the dc controller PCA See Dc controller PCA 59 A or 59 4 print cartridge motor failure LJ 4250 4300 4350 only 1 Turn the printer off and then on 2 Reconnect the print cartridge motor wire harness on the dc controller PCA location J86
123. hen remain on This might take up to 10 seconds After the message SELECT LANGUAGE appears on the display press 4 Up Arrow button o v Down Arrow button until COLD RESET is highlighted Press v The printer performs a cold reset and then continues its power on sequence Check all I O settings and reset any customer set printer configuration values Printer resets and power on modes r 325 326 NVRAM initialization A CAUTION Initializing the NVRAM resets the serial number the event log the page counts the EIO card and the embedded print server Initializing the NVRAM also resets service menu values to factory defaults Use the service menu to restore the serial number and page counts Also reconfigure any computers that print to this printer so that the computers can recognize the printer Initialize the NVRAM only when absolutely necessary In most situations use a cold reset rather than a NVRAM initialization to reset printer settings this will retain the values in the service menu A NOTE Before performing a NVRAM initialization print a menu map and a configuration page see Menu map and Configuration page Use the information on the configuration page to reset any customer set printer configuration values that the NVRAM initialization procedure changes Make note of the total page count maintenance count and the serial number To initialize NVRAM 1 2 Turn the printer power off Remove any
124. idge is low You can set alert options for a single printer that supports Printer Status and Alerts or you can set alert options for all printers that support Printer Status and Alerts For networked printers these alerts only appear for your jobs Even if you set alert options for all printers not all of the selected options will apply to all printers For example when you select the option to notify you when the print cartridges are low directly connected printers that support Printer Status and Alerts generate a message when the print cartridges are low However none of the networked printers generate this message unless the alert affects a user specific job Troubleshooting tools 317 318 To select status messages 1 Open Printer Status and Alerts in one of these ways e Double click the Printer Status and Alerts tray icon which is near the clock in the Tray Manager e On the Start menu click Programs click Printer Status and Alerts and then click Printer Status and Alerts 2 Click the Options icon on the left side of the window 3 In the For field select the printer driver for this printer or select All Printers 4 Clear the options for the messages that you do not want to appear and select the options for the messages that you do want to appear 5 In Status check rate select how frequently you want the software to update the printer status information that the software uses to generate the messages The status check ra
125. ies status page and look at the maintenance kit gauge If maintenance is due install a maintenance kit For information about ordering a maintenance kit see chapter 8 Image formation troubleshooting 383 Table 7 21 Light print entire page Possible cause Recommended action Begin by performing the half self test functional check see Half self test functional check If the image on the print drum is light proceed with actions 1 2 3 6 and 7 If the drum image is normal proceed with actions 5 6 and 8 The toner supply is low Shake the print cartridge gently to redistribute the toner or replace the cartridge EconoMode is on EconoMode saves toner by reducing the dot density The effect might appear to be a print quality problem Turn EconoMode off The print density is set incorrectly Change the toner density see Print quality submenu to a darker setting and try to print the job again The media does not meet specifications The moisture content conductivity or surface finish might not work correctly with the electrophotographic process Try a different media type The transfer roller is defective or not installed correctly If the transfer roller loses conductivity it cannot pull toner from the drum effectively The high voltage connector springs are dirty or damaged Verify that the transfer roller is installed correctly If the transfer rol
126. ill return to the Ready state when the page is completed RAM DISK DEVICE FAILURE alternates with Ready For menus press Y The RAM disk had a critical failure and can no longer be used 1 Turn the printer power off and then on again 2 If this error persists a defective memory DIMM might be installed in the printer on the formatter Replace the memory DIMM The procedure for replacing a memory DIMM is the same as replacing a firmware DIMM See Firmware DIMM LJ 4200 4300 only Display message troubleshooting 341 Table 7 6 Alphabetical printer messages continued Control panel message RAM DISK FILE OPERATION FAILED alternates with Ready For menus press Y Description The printer received a PJL file system command that attempted to perform an Recommended action 1 Printing can continue illogical operation for example a command 2 Turn the printer off and then on to to download a file to a nonexistent directory delete the message from the display 2 If this error persists a problem might exist with the software program RAM DISK FILE SYSTEM IS FULL alternates with Ready For menus press Y The RAM disk is full 1 Delete files and then try again or turn the printer off and then on to delete all the files on the RAM disk 2 If the message persists increase the size of the RAM disk by adding additional memory DIMMs RAM DISK IS WRITE PROT
127. in the printer install it Push the fuser firmly into the printer until the blue levers on both sides click into place Press Herr button for detailed information Press 4 Up Arrow button and V Down Arrow button to step through the instructions If the error persists replace the fuser assembly See Fuser Replace the dc controller PCA See Dc controller PCA Replace the power supply assembly See Power supply 7 Troubleshooting Table 7 6 Alphabetical printer messages continued Control panel message Description Recommended action LOAD TRAY XX lt TYPE gt lt SIZE gt For help press alternates with LOAD TRAY XX lt TYPE gt lt SIZE gt To use another tray press Y Tray XX is either empty based on the operation of the paper sensor or configured for a type and size other than that specified in the job Press Help button for detailed information Press 4 Up Arrow button and V Down Arrow button to step through the instructions Print a configuration page and verify that the tray settings are correctly set See Configuration page If the tray settings on the configuration page do not match the actual tray setting verify that the paper width switch SW102 SW801 or SW1 is operating correctly for the indicated tray See Printer switches and sensors 500 sheet feeder switches sensors solenoids and PCAs or 1 500 sheet feeder switches sensors sole
128. ing tab The network administrator uses this tab to control network related settings for the printer when it is connected to an IP based network This tab does not appear if the printer is directly connected to a computer or if the printer is connected to a network with anything other than an HP Jetdirect print server 316 7 Troubleshooting Other links This section of the embedded Web server contains links that connect you to the Internet You must have Internet access in order to use any of these links If you use a dial up connection and did not connect when you first opened the embedded Web server you must connect before you can visit these Web sites Connecting to the Internet might require that you close your Web browser and reopen it HP Instant Support connects to the HP Web site to help you find solutions This service analyzes your printer error log and configuration information to provide diagnostic and support information that is specific to your printer Order Supplies connects to the HP Web site so you can order genuine HP supplies such as print cartridges and paper Product Support connects to the support site for the HP LaserJet 4200 4250 4300 4350 printer where you can search for help regarding general topics Printer Status and Alerts software Printer Status and Alerts is supported only for Windows 95 and later versions The Printer Status and Alerts software is available to users of both networked and direct
129. installed accessories for example a stapler stacker For HP Laserjet 4200 4300 Series printers Hold down Select button and then turn the printer power on For HP Laserjet 4250 4350 Series printers Turn the printer power on and then hold down v SeLect button when the memory count begins Continue holding down v until all three printer control panel lights flash once and then remain on This might take up to 10 seconds Press 4 Up Arrow button Press the Pause Resume button LJ 4200 4300 or the Menu button LJ 4250 4350 The display should show SKIP DISK LOAD Press 4 until NVRAM INIT is highlighted Press v The printer initializes NVRAM and then continues its power on sequence 7 Troubleshooting Hard disk initialization CAUTION A hard disk initialization erases and reformats the printer hard disk Perform a hard disk initialization only if an error code on the control panel indicates an EIO disk error Always try initializing the hard disk before replacing it E NOTE Before performing a hard disk initialization print a menu map and a configuration page see Menu map and Configuration page Use the information on the configuration page to reset any customer set printer configuration values that the hard disk initialization procedure changes To initialize the hard disk 1 2 Turn the printer power off For HP Laserjet 4200 4300 Series printers Hold down the Pause Resume button and the
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131. it does not meet specifications and advise the customer to use the HP recommended media and to store it correctly See Media specifications The fuser rollers are worn Replace the fuser See Fuser Dots in the paper path direction The static eliminator teeth are dirty Clean the static eliminator teeth by using a small brush or compressed air Poor contact exists between the static eliminator teeth and the power supply Clean the contacts if they are dirty If the problem persists after cleaning or the contacts are damaged or deformed replace them The transfer roller is deformed or has deteriorated Replace the transfer roller See Transfer roller The power supply is defective Replace the power supply assembly See Power supply 385 386 Table 7 23 Drop outs and character voids AaBbC Ce AaBbCce AaBDCC AaBoCc ANBDdCc Possible cause The user is printing on the wrong side of the paper The label on the ream of paper indicates which side to print on The different surface properties of some papers might cause problems if the paper is loaded incorrectly Recommended action s 1 Check the arrow on the paper wrapper From tray 1 the printer prints on the side of the paper that faces up From the other trays the printer prints on the side of the paper that faces down 2 Tum over the stack of paper in the tray Also try rotating the stack 180
132. ity mechanism The message will disappear shortly and the printer will return to the ready state Contact the network system administrator to change settings BAD DUPLEXER CONNECTION The duplexer is not functioning Turn off the printer Remove and then reinstall the accessory Turn on the printer Check the rear accessory power connector If the error persists replace the duplexer BAD ENV FEEDER CONNECTION The envelope feeder is not functioning Turn off the printer Remove and then reinstall the accessory Turn on the printer Check the front accessory power connector If the problem persists replace the envelope feeder CANNOT DUPLEX Check rear bin or CANNOT DUPLEX Check paper The printer cannot perform the duplexing function Close the face up bin before sending a duplex print job Replace the duplexer Replace the dc controller PCA See Dc controller PCA CARTRIDGE FAILURE For help press alternates with RETURN FOR REPLACEMENT For help press The print cartridge contains part of the sealing tape Try to remove the sealing tape If the sealing tape cannot be removed insert a new print cartridge and return the faulty print cartridge for replacement 7 Troubleshooting Table 7 6 Alphabetical printer messages continued Control panel message Description Recommended action CHOSEN PERSONALITY NOT AVAILABLE For help press
133. ive Replace the stapler stacker The 13 12 07 JAM IN THE STAPLER message appears on the control panel display but no jam is present in the stapler unit stapler stacker only u The staples are defective Replace the staple cartridge m The stapler unit is defective Replace the stapler unit See Maintaining the stapler unit m The stapler stacker PCA is defective Replace the stapler stacker The STAPLER LOW ON STAPLES or STAPLER OUT OF STAPLES message appears on the control panel display but the stapler unit contains a staple cartridge stapler stacker only m The staple cartridge contains no staples Replace the staple cartridge See Loading staples u Replace the stapler unit See To remove and replace the stapler unit m The stapler stacker PCA is defective Replace the stapler stacker A 13 XX YY JAM message appears on the control panel display but no jam is visible in the stacker or stapler stacker The inlet sensor PS1101 lever does not move smoothly or is damaged See Stacker and stapler stacker switches and sensors Inspect the inlet sensor Verify that the sensor lever can move freely The delivery sensor PS1102 lever does not move smoothly or is damaged See Stacker and stapler stacker switches and sensors Inspect the delivery sensor Verify that the sensor lever can move freely m If necessary replace the stacker or stapler stacker Troubleshooting the stacker and
134. ived total packets transmitted unsendable packets transmit collisions and transmit late collisions TCP IP information including the IP address IPX SPX information Novell NetWare information Appletalk information DLC LLC information 332 7 Troubleshooting Display message troubleshooting The following tables explain the messages that might appear on the control panel display or in the event log Alphabetical printer messages and their meanings are listed in Alphabetical printer messages and numerical printer messages are listed in Numerical printer messages E NOTE Not all messages are described in the tables the messages that are not listed are self explanatory Status messages Status messages reflect the current state of the printer They inform you of normal printer operation and require no interaction to clear them They change as the state of the printer changes Whenever the printer is ready is not busy and has no pending warning messages the status message Ready appears if the printer is online Warning messages Warning messages inform you of data and print errors These messages typically alternate with Ready or with status messages and continue to appear until SeLecT button is pressed If CLEARABLE WARNINGS is set to JOB in the configuration menu these messages are cleared when the next print job is sent to the printer Error messages Error messages inform you that an
135. k of media in the tray Also try rotating the media 180 degrees 2 Check the media for type and quality Replace the media if it does not meet specifications and advise the customer to use the HP recommended media and to store it correctly See Media specifications 391 392 Table 7 29 Skew continued Possible cause Recommended action s The media is not loaded correctly or Make sure that the media is loaded the trays are not adjusted correctly correctly and that the guides fit snugly against the stack The registration assembly is not Make sure that the registration installed correctly or is damaged assembly is installed correctly If necessary replace the registration assembly See Registration assembly 7 Troubleshooting Table 7 30 Curl or wave Possible cause Recommended action s The media does not meet 1 Turn over the stack of media in the specifications or is not stored correctly tray Also try rotating the media 180 2 Check the media for type and quality Replace the media if it does not meet specifications and advise the customer to use the HP recommended media and to store it correctly See Media specifications The operating environment does not Make sure that the printer is installed in meet specifications an area that meets the environmental specifications See Operating environment The wrong output bin is in use Print to a different output bin top or rear o
136. l of the stacker or stapler stacker rollers Clean any dirty rollers If necessary replace the stacker or stapler stacker The feed guide is damaged causing the leading edge of the media to bend Inspect the feed guide If necessary replace the stacker or stapler stacker An obstruction in the paper path causes skewed print m The paper path is contaminated Clean the paper path See Stacker and stapler stacker paper path a The rollers are worn dirty or defective Inspect all of the stacker or stapler stacker rollers Clean any dirty rollers If necessary replace the stacker or stapler stacker Malfunction errors Table 7 44 Malfunction error troubleshooting Possible cause Recommended action s No power The stacker or stapler stacker connector is not fully seated or is damaged m Inspect the stacker or stapler stacker connectors on the unit and on the printer Verify that these connectors are not damaged and that the stacker or stapler stacker is installed correctly and fully seated If the stacker or stapler stacker was installed when the printer power was on turn the power off and then on again m Turn the printer power off Remove and reinstall the stacker or stapler stacker Turn the printer power on again The stacker or stapler stacker PCA is defective Replace the stacker or stapler stacker No stapling stapler stacker only The staple cartridge contains no staples
137. lace the fuser See Fuser 13 98 00 open input trays then open and close top cover The face up tray was opened when the printer was attempting to send a page to the duplexer A page shorter than 200 mm 7 87 inches was sent to the duplexer A page less than 120 mm 4 72 inches in width was sent to the duplexer A multi feed paper jam has occurred Remove any jammed media from the paper path Open and close the top cover Disconnect all optional paper handling accessories Replace the feed and separation rollers See Tray 2 feed rollers this procedure includes the separation roller Replace the dc controller PCA See Dc controller PCA 20 INSUFFICIENT MEMORY For help press alternates with 20 INSUFFICIENT MEMORY To continue press Y Display message troubleshooting The printer has received more data from the computer than fits in the available memory Press Y SeLecT button to resume printing E Reduce the complexity of the print job to avoid this error NOTE occur A loss of data will You might be able to print pages that are more complex if you add memory to the printer 353 Table 7 7 Numerical printer messages continued Control panel message Description Recommended action 21 PAGE TOO COMPLEX The printer cannot process the page quickly 1 Press Y SeLecT button to process enough the page For help press 323 T NOTE A loss of data will E
138. ler is damaged replace it See Transfer roller The high voltage connector springs protrude into the print cartridge cavity Clean the springs if they are dirty Replace the springs if they are damaged or missing The laser scanner shutter door is not opening correctly 1 Remove and reseat the print cartridge 2 Verify that the laser scanner shutter door can open correctly If necessary replace the laser scanner assembly See Laser scanner assembly The power supply is defective The power supply contains the high voltage circuit Replace the power supply assembly See Power supply 7 Troubleshooting Table 7 22 Specks or dots Possible cause Recommended action Specks AaBb The interior of the printer is dirty 1 Print a few more pages and see if AaBbCC the problem corrects itself AaBbCc 2 Clean the inside of the printer see AaBbCc chapter 3 AaBbCc 3 Process a printer cleaning page See Running the cleaning page manually E NOTE Specks might appear onthe page after a jam has been cleared Print two or three more pages and see if The print cartridge is damaged Replace the print cartridge the specks diappear Image formation troubleshooting The media does not meet specifications or is not stored correctly 1 Turn over the stack of media in the tray Also try rotating the media 180 2 Check the media type and quality Replace the media if
139. ly connected printers To use Printer Status and Alerts software with a directly connected computer you must select the Custom installation option when you install the printer driver and then select the option to install Printer Status and Alerts For network connections Printer Status and Alerts is installed automatically with the Typical software installation option Use this software to view the embedded Web server information for a particular printer Printer Status and Alerts also generates messages on the computer that explain the status of the printer and print jobs Depending on how the printer is connected you can receive different messages Networked printers You can receive regular job status messages that appear every time a print job is sent to the printer or every time the print job is complete You can also receive alert messages These messages appear when you are printing to a particular printer if that printer experiences a problem In some cases the printer can continue to print such as when a tray that is not being used is open or a print cartridge is low In other cases a problem might prevent the printer from printing such as when paper is out or a print cartridge is empty Directly connected printers You can receive alert messages that appear when the printer experiences a problem but can continue printing or a problem that prevents it from printing You can also receive messages that indicate that the print cartr
140. m recovery You can use the jam recovery to automatically reprint jammed pages Select whether or not you want the printer to attempt to reprint jammed pages AUTO Printer will attempt to reprint jammed pages OFF Printer will not attempt to reprint jammed pages E NOTE To improve print speed and increase memory resources you might want to disable the jam recovery If jam recovery is disabled the printer will not attempt to reprint the jammed pages NOTE During the recovery process the printer might reprint several pages that were printed correctly before the jam occurred Be sure to remove any duplicated pages To disable the jam recovery 1 Press Y SeLect button or the Menu button to open the menus Press V Down Arrow button to scroll to CONFIGURE DEVICE Press v to select CONFIGURE DEVICE Press Y to scroll to SYSTEM SETUP Press v to select SYSTEM SETUP Press Y to scroll to JAM RECOVERY Press v to select JAM RECOVERY Press Y to scroll to OFF o OO N Oa ao A WO DN Press v to select OFF 10 Press the Pause Resume button to return to the READY state 7 Troubleshooting Avoiding jams Use this table to help avoid specific types of jams Table 7 8 Common causes of paper jams Cause Solution The print media does not meet HP recommended media storage and use specifications Use only media that meets HP specifications See chapter 1 in this manual or the HP print media guide available
141. m tray 2 does not use the duplex path and prints a single page The user can specify the number of pages to be printed Source Use this option to select tray 1 tray 2 or tray X if optional tray feeders are installed as the page source Destination Use this option to send the test page to the optional stacker or stapler stacker if this accessory is installed Duplex Use this option to send the test page through the duplex path Page count Use this option to sets the number of test page copies to be printed The choices are 1 10 50 100 and 500 perform a paper path test Press Y Select button or the Menu button to open the menus Use 4 Up Arrow button or Y Down Arrow button to scroll to DIAGNOSTICS and then press Y Use 4 or to scroll to PAPER PATH TEST and then press v Use 4 or Y to scroll through the available test options and then press xv After the test options are selected use 4 or Y to scroll to PRINT TEST PAGE and then press to start the test E NOTE To test the stacker and stacker stapler paper path see Stacker paper path test and Stapler stacker paper path test 7 Troubleshooting Jams in tray 1 Table 7 9 Causes of tray 1 jams Cause Solution The pickup roller is dirty worn or damaged Clean the pickup roller If it is dirty after cleaning or if it is worn or damaged replace the pickup roller The separation pad is dirty worn or damaged The driv
142. mation troubleshooting 397 398 Table 7 36 Blurred print continued Table 7 37 Black page Possible cause The high transfer setting is turned off The line detail setting is turned off Possible cause The print cartridge is defective Recommended action s Open the print quality menu at the control panel see Print quality submenu Select OPTIMIZE and set HIGH TRANSFER ON Open the print quality menu at the control panel see Print quality submenu Select OPTIMIZE and set LINE DETAIL ON Recommended action s Replace the print cartridge The high voltage connector springs are dirty or damaged The high voltage connector springs protrude into the print cartridge cavity Clean the springs if they are dirty Replace the springs if they are damaged or missing The laser beam drive circuit or high voltage circuit is defective not supplying the correct voltage 1 Check the cables between the dc controller PCA and the high voltage circuitry part of the power supply 2 If the cables are not connected connect the cables 3 If the cables are connected but the problem persists replace the power supply See Power supply 4 If after replacing the power supply the problem persists replace the dc controller PCA See Dc controller PCA The laser scanner assembly is defective Replace the laser scanner assembly See Laser scanner assembly The ca
143. media edges are locked together Flex the media stack before loading it into the printer Do not fan the media The cassette claw is deformed Replace the cassette claw The torque limiter is defective Replace the torque limiter The spring that pushes the separation roller or pad is defective Replace the spring Media is wrinkled or folded Table 7 15 Causes for wrinkled or folded media at the paper path entrance Cause Solution The feed rollers or registration rollers are dirty or defective Replace the affected rollers The paper path contains foreign substances or dirt Remove any foreign substances or dirt from the paper path The cartridge shutter open close mechanism is damaged This can cause jams in which the media is crumpled into an accordion fold under the print cartridge The shutter in the print cartridge should open as you insert the cartridge If a shutter does not open replace the print cartridge The registration unit is defective Of the registration arm is dirty clean it If the arm is scarred or worn replace the registration unit Table 7 16 Causes for wrinkled or folded media at the media path exit Cause Solution The fuser inlet guide is dirty Replace the fuser See Fuser The fuser pressure roller is dirty or damaged Run several cleaning pages through the printer See Running the cleaning page manually If the problem persis
144. mple HP LaserJet 4350dins printer a Product serial number found on the underside of the cartridge door m The date of printer purchase and a description of the problem Test the software installation Attempt to print a test page from the software program Try reinstalling the software If reinstalling the software does not correct the problem see the Readme file on the CD that came with the printer or call the phone number for the country region phone numbers are listed on the support sheet that came in the box with the printer You can also find answers to frequently asked questions at the following Web sites m http www hp com support l 4200 m http www hp com support lj4250 a http www hp com support j4300 a http www hp com support j4350 HP authorized resellers and support To locate HP authorized resellers and support call 800 243 9816 in the U S or 800 387 3867 in Canada HP service agreements For information about HP service agreements call 800 386 1115 in the U S or 800 268 1221 in Canada HP Partner Portal You can use the following information to contact HP Partner Portal For Partner Portal http www hp com partners m For Connect Online htip www connect online hp com For Asia Pacific countries regions http partnercare asiapac hp com m For Canada Partner htip www canada hp com m For Latin America http www conecta latinamerica hp com Ordering pa
145. mponents See Engine test page If the main cooling fan is not operating check the following items 1 Check the fuse on the power supply location FU2 near the power switch to make sure that it is not open 2 If necessary replace the power supply assembly See Power supply 3 If necessary replace the dc controller PCA See Dc controller PCA 7 Troubleshooting EA NOTE Itis important to have the printer control panel functional as soon as possible in the troubleshooting process so that the control panel display can be used to help locate printer errors If problems with the power on check perisist refer to table Table 7 2 Power on defect or blank display Table 7 2 Power on defect or blank display Problem Action The power cord is not plugged into the Make sure that the power cord is firmly plugged into the wall receptacle and wall receptacle and connected to the connected to the printer printer The correct voltage power is not Measure the voltage at the outlet If necessary plug the power cord into another available circuit outlet The power switch is off Set the switch to the on position You should hear the switch toggle If the front right side cover has been removed recently make sure that the rod connecting the power supply switch moves as you toggle the switch See the reinstall note in Right side cover If the printer still does not turn on the power switch might be defective
146. n language LJ 4200 4300 D4838A 1 Font DIMM Simplified Chinese language LJ 4200 4300 C4293A 1 Font DIMM Traditional Chinese language LJ 4200 4300 C4292A 2 EIO hard disk 20 GB J6073 61001 J6073 69001 8 Parts and diagrams Table 8 4 Memory fonts and mass storage continued Ref Item Product number Service exchange number 3 Flash DIMM 8 MB LJ 4200 4300 C8530A 3 Flash DIMM 12 MB LJ 4200 4300 C7867A Consumables and accessories 451 Cables and connectivity Table 8 5 Cables and connectivity Ref Item Product number Service exchange number 1 HP Jetdirect 615n Fast Ethernet internal print server for J6057A J6057 69001 HP LaserJet 4200 4300 printers only 1 HP Jetdirect 620n Fast Ethernet internal print server for J7934A J7934 61001 J7934 69001 HP LaserJet 4250 4350 printers 1 HP Jetdirect 625n Gigabit internal print server for J7960A J7960 61001 HP LaserJet 4250 4350 printers 1 HP Jetdirect 680n 802 11b wireless Ethernet internal print J6058A J6058 61201 server for HP LaserJet 4250 4350 printers 1 HP bt1300 Bluetooth wireless printer adapter J6072A J6072 61001 J6072 69001 Connectivity card for USB serial and Local Talk J4135A J4135 61001 2 IEEE_1284 parallel cable 2 meter 6 6 feet C2950A 5063 1256 2 IEEE_1284 parallel cable 3 meter 9 9 feet C2951A 5063 1257 3 USB cable 2 meter 6 6 feet C6518A 4 Power cord 2 meter 6 6 feet with 90 degree C13 8120 5301
147. n to open the menus 2 Use a Up Arrow button or Down Arrow button to scroll to DIAGNOSTICS and then press v 3 Useaorv to scroll to PAPER PATH TEST and then press v 4 Usea or to scroll to DESTINATION and then press v Scroll to OPTIONAL BIN 1 and then press v 5 Use or Y to scroll to COPIES then press v Scroll to the approppriate number of test pages and then press v 6 Use 4 orto scroll to PRINT TEST PAGE and then press v The printer will print the selected number of pages and send them to the stacker Stapler stacker paper path test Use the following procedure to perform a stapler stacker paper path test Press Y SeLecT button or the Menu button to open the menus N Use 4 Up Arrow button or Y Down Arrow button to scroll to CONFIGURE DEVICE and then press v Use 4 or Y to scroll to STAPLER STACKER and then press v Use 4 or to scroll to STAPLES and then press v Scroll to ONE and then press v Press the Pause Resume button or the Menu button to exit the submenus Press v or THE Menu button to open the menus Use 4 or Y to scroll to DIAGNOSTICS and then press v Use 4 or to scroll to PAPER PATH TEST and then press v o OA N O a FF OQ Use 4 or Y to scroll to DESTINATION and then press v Scroll to OPTIONAL BIN 1 and then press v 10 Use 4 or Y to scroll to COPIES and then press v Scroll to 10 and then press v 11 Use 4 or Y to scroll to PRINT TEST PAGE and then press
148. n turn the printer power on For HP Laserjet 4250 4350 Series printers Turn the printer power on and then hold down the Menu button when the memory count begins Continue holding down the button until all three printer control panel lights flash once and then remain on This might take up to 10 seconds Press 2 Back Arrow button The display should show INITIALIZE DISK Press v The printer initializes the hard disk and continues its power on sequence Printer resets and power on modes 327 Power on bypass When the power is turned on the printer begins the power on sequence By performing a power on bypass you can cause the printer to resume the power on sequence but not to recognize any installed EIO hard disk skip disk load procedure This can be helpful in isolating EIO hard disk errors When using the HP LaserJet 4200 and 4300 Series printers you can also resume the power on sequence but make the printer continuously print configuration pages until the Pause REsume button is pressed self test procedure This can be helpful if you need to verify the printer components that are installed by reviewing the information on the configuration page but you cannot open the menus to print a configuration page Skip disk load 1 Turn the printer power off 2 For HP Laserjet 4200 4300 Series printers Hold down Y Select button and then turn the printer power on For HP Laserjet 4250 4350 Series printers Turn the printer power
149. ner density setting is wrong Move the text to an area that has no seams Open the print quality menu at the control panel and adjust the toner density setting See Print quality submenu Make sure that EconoMode is off The high transfer setting is turned off Open the print quality menu at the control panel see Print quality submenu Select OPTIMIZE and set HIGH TRANSFER ON The print cartridge is defective The high voltage connector springs are dirty or damaged Replace the print cartridge The high voltage connector springs protrude into the print cartridge cavity Clean the springs if they are dirty Replace the springs if they are damaged or missing The power supply is defective Replace the power supply assembly See Power supply Table 7 26 Loose toner or toner smear Possible cause Recommended action s AaBbCc AaBhec AaBk Cc AaBkCc AaBbCc The interior of the printer is dirty 1 Print a few more pages and see if the problem corrects itself 2 Clean the inside of the printer see chapter 4 3 Process a printer cleaning page See Running the cleaning page manually The fuser roller is dirty Process a cleaning page see Running the cleaning page manually Several pages might be required if the fuser is very dirty The media surface is too smooth or too rough for toner adhesion Use media that meets HP specifications see the HP L
150. noids and PCAs LOAD TRAY XX lt TYPE gt lt SIZE gt For help press Tray XX is either empty based on the operation of the paper sensor or configured for a type and size other than that specified in the job No other tray is available Press Hep button for detailed information Press 4 Up Arrow button and V Down Arrow button to step through the instructions Print a configuration page and verify that the tray settings are correctly set See Configuration page If the tray settings on the configuration page do not match the actual tray setting verify that the paper width switch PS106 SW801 or SW1 is operating correctly for the indicated tray See Printer switches and sensors 500 sheet feeder switches sensors solenoids and PCAs or 1 500 sheet feeder switches sensors solenoids and PCAs Lower the optional bin Note The stacker or stapler stacker LED blinks in amber The stacker or stapler stacker output bin is in the raised position Lower the output bin If this error persists replace the stacker or stapler stacker MANUALLY FEED lt TYPE gt lt SIZE gt For help press alternates with A job was sent that requires a specific paper type and size that is not currently available Press Help button for detailed information Press 4 Up Arrow button and V Down Arrow button to step through the instructions If the requested
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152. onth 1 calendar day DDD If the calendar day is 31 use 30 instead Using October 17 2002 as the date the printer was first used the service ID conversion is as follows m 2002 minus 1990 12 so YY 12 m 10 minus 1 calendar month minus 1 9 m 9times 30 270 m 270 plus 17 the calendar day 287 so DDD 287 m The complete service ID number is 12287 7 Troubleshooting Printer resets and power on modes The following sections describe the types of printer resets and power on modes Cold reset A cold reset unlocks menus that have been previously locked and returns all of the control panel menu items including EIO settings to the factory defaults However it does not clear the values in the service menu such as the serial number and page counts Ce NOTE Before performing a cold reset print a menu map and a configuration page see e Menu map and Configuration page Use the information on the configuration page to reset any customer set printer configuration values that the cold reset procedure changes To perform a cold reset 1 2 Turn the printer power off For HP Laserjet 4200 4300 Series printers Hold down v Select button and then turn the printer power on For HP Laserjet 4250 4350 Series printers Turn the printer power on and then hold down v SeLEcT button when the memory count begins Continue holding down v until all three printer control panel lights flash once and t
153. ote The fan only operates during the initial startup and while printing and when the temperature inside the printer is too high If the temperature is too high the fan turns on to cool the inside of the printer The fan works but the control panel 1 Print an engine test Engine test page display is blank 2 If the engine test is successful perform the following steps in order e Reseat the control panel and formatter connector See Control panel assembly and Formatter assembly e Replace the control panel cable See Control panel assembly e Replace the control panel assembly See Control panel assembly e HP Laserjet 4200 and 4300 Series printers only Replace the firmware DIMM See Firmware DIMM LJ 4200 4300 only e Replace the formatter See Formatter assembly 3 If the engine test is not successful remove the formatter and attempt to perform the engine test again If the engine test is successful with the formatter removed replace the formatter See Formatter assembly If the test is not successful with the formatter removed replace the dc controller PCA See Dc controller PCA 308 7 Troubleshooting Troubleshooting tools Press v Select button or the Menu button to open the menus Use 4 Up Arrow button or Down Arrow button to scroll through the menus that appear For more information about control panel menus see Control panel menus The high level menus appear in the followin
154. over after the paper advances half way through the printer about 3 to 5 seconds after the main motor begins rotation The leading edge of the paper should have advanced past the print cartridge 3 Remove the print cartridge 4 Open the print cartridge drum shield to view the drum surface If a dark and distinct toner image is present on the drum surface assume that the first four functions of the electrophotographic process are functioning cleaning conditioning writing and developing and troubleshoot the failure as a transfer or fusing problem If no image is present on the photosensitive drum perform the following check Drum rotation functional check The photosensitive drum located in the print cartridge must rotate in order for the print process to work The photosensitive drum receives its drive from the main gear assembly Use this procedure to determine whether the drum is rotating 1 Open the top cover 2 Remove the print cartridge 3 Mark the cartridge drive gear with a felt tipped marker Note the position of the mark 4 Install the print cartridge and close the top cover The start up sequence should rotate the drum enough to move the mark on the gear 5 Open the printer and inspect the gear that was marked in step 3 Verify that the mark moved If the mark did not move inspect the main gear assembly to make sure that it meshes with the print cartridge gears If the drive gears function but the drum does not move
155. pages Maintenance interval Select this item to specify the number of pages that can be printed before a maintenance kit required message appears on the control panel display to indicate that a maintenance kit is required Serial number Select this item to update the serial number if you replace the formatter m Service ID Select this item to specify the date when the printer was first used rather than the date that a replacement formatter is installed See Restoring the Service ID m Cold reset Select this item to reset the default paper size when you replace the formatter or restore factory settings see Resets submenu When you replace a formatter or restore factory settings in a country region that uses A4 as the standard paper size use this item to reset the default paper size to A4 see Cold reset Letter and A4 are the only cold reset values available Control panel menus 323 324 Service ID When printing from an HP LaserJet 4200 and 4300 Series printer this information appears on the configuration page see Configuration page which eliminates the need for customers to keep paper receipts for proof of the warranty Because the printer does not have an internal clock the availability of the service ID date depends on the printer being connected to a source that can provide the date in this case a time server on the same network as the printer When the printer is not connected to a date source the service ID is not av
156. press Y 49 XXXX A critical firmware error has occurred that 1 Press Cancet Jos to clear the print job caused the processor on the formatter to from the printer memory PRINTER ERROR abort the operation 2 Tum the printer off and then on To continue turn off then on This type of error can be caused by invalid print commands corrupt data or invalid 3 Goto www hp com go lj4200 software operations www hp com go lj4250 software www hp com go lj4300 software or In some instances electrical noise in the www hp com go lj4350 software cable can corrupt data during transmission Select Download Drivers and to the printer Other causes include poor Software Check for the latest firmware quality parallel cables poor connections or image version at the bottom of the specific software programs page If this firmware image is newer than the one installed on the printer Sometimes the formatter itself is at fault and the printer can receive a firmware which is usually indicated by a 79 Service update download the newer firmware Error upgrade Not all HP LaserJet 4200 4300 printers can receive firmware upgrades 4 Try printing a job from a different software program If the job prints go back to the first program and try printing a different file If the message Display message troubleshooting 355 Table 7 7 Numerical printer messages continued Recommended action Control panel message Description appears only with a certain so
157. r Table 7 12 Causes of paper path jams Cause Solution The cartridge shutter open close mechanism is damaged The shutter in the print cartridge should open as you insert the print cartridge If the shutter does not open replace the print cartridge The registration roller is dirty worn or damaged This applies to jams that occur before the media reaches the registration rollers Clean the registration roller assembly if it is dirty If it is dirty after cleaning or if it is worn or damaged replace the registration assembly See Registration assembly The paper feed assembly including clutch CL101 might be damaged This applies to jams that occur before the the media reaches the registration rollers Replace the paper feed assembly See Paper feed assembly The drive gears are damaged This can cause jams that occur before the media reaches the registration rollers Check the drive gears in the paper pickup and main drive assemblies Replace the pickup or main drive assemblies if the gears are damaged See Paper pickup drive assembly or Main drive assembly The pre feed PS102 top of page PS103 or fuser assembly PS108 sensor is defective Replace any defective sensors See Printer switches and sensors The dc controller PCA is defective Replace the dc controller PCA See Dc controller PCA Jams in the duplex path Table 7 13 Causes of duplex path jam
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159. r office cleaning materials Is the printer exposed to direct sunlight Media Is suitable media being used in the printer See Supported media weights and sizes and Paper and print media Does the customer use only supported print media m Is the media in good condition no curl folds or other flaws Troubleshooting process 303 Table 7 1 Initial troubleshooting checklist continued m Is the media stored correctly and within environmental limits Is the correct side of the page printed on first Is long grain paper being used Input trays m Is the correct amount of media loaded in the tray not stacked above the arrows embossed in the tray sthe media placed in the tray correctly m Are the paper guides aligned with the stack Is the tray cassette installed correctly in the printer Print cartridge m Is the print cartridge installed correctly Fuser Is the fuser installed correctly See Fuser Covers Is the top cover closed Condensation Does condensation occur following a temperature change particularly in winter following cold storage If so wipe off the affected parts or leave the printer on for 10 to 20 minutes and then attempt to resume printing Was a print cartridge opened soon after it was moved from a cold room to a warm one If so allow the print cartridge and the printer to acclimate to room temperature for one to two hours Miscellaneous Are any non
160. r stacker The printer behavior depends on how the STAPLES OUT setting is configured If STAPLES OUT STOP the printer stops printing until you refill the stapler or press Y SeLecT button This is the default setting If STAPLES OUT CONTINUE printing continues but the jobs will not be stapled 1 Press Here button for detailed information 2 Press A Up Arrow button and V Down Arrow button to step through the instructions 3 Replace the staple cartridge 4 If this error persists Replace the stapler unit see To remove and replace the stapler unit followed by the stapler stacker if necessary TOO MANY PAGES IN JOB TO STAPLE NOTE The stapler stacker LED is continuously illuminated in green this error applies to the stapler stacker only The maximum number of sheets the stapler can staple is 15 The print job finishes printing but is not stapled Reduce the number of pages in the print job or print and staple in batches of 15 or fewer pages TOO MANY INSTALLED Turn power off and unistall a tray Too many optional input trays are installed The printer accommodates a maximum of two optional trays Turn off the printer power and remove a tray TRAY XX CONTAINS UNKNOWN MEDIA The printer cannot determine the media type or size in the specified tray 1 To change the media type press Y SeELect button Use 4 Up Arrow button and V Down Arrow button to scroll to the type
161. r stapler stacker is functioning print an engine test page Use a small non metallic pointed object to depress the test page switch which is located on the right side of the printer callout 1 Figure 7 5 Engine test page switch The test page should have a series of vertical lines The test page prints from the last tray that you printed from However if the printer has been turned off and then on again since the most recent print job the page will print from tray 2 The printer will continuously print test pages as long as the test page switch is depressed The printer will not print a test page if it is in PowerSave or Sleep mode Ex NOTE A damaged formatter might interfere with the engine test If the engine test page does not print try removing the formatter and performing the engine test again If the engine test is then successful the problem is almost certainly with the formatter the control panel or the cable that connects them 329 330 Formatter test page To verify that the formatter is functioning print a configuration 1 Pressv SeLect button or the Menu button to open the menus 2 Press Down Arrow button to scroll to INFORMATION 3 Press v to select INFORMATION A Press Y to scroll to PRINT CONFIGURATION 5 Press vr to select PRINT CONFIGURATION 7 Troubleshooting Interface troubleshooting The following sections provide instructions for interface troubleshooting Communications check
162. receptacle For 120 Vac in the United States Canada Latin America Korea Taiwan and Thailand 5 Power cord 2 meter 6 6 feet with straight C13 receptacle 8121 0740 For 120 Vac in the United States Canada Latin America Korea Taiwan and Thailand 452 8 Parts and diagrams Formatters laser scanners power supplies and fusers Table 8 6 Formatters laser scanners power supplies and fusers Item Product number Service exchange number Formatters Formatter LJ 4200 Q9652A C9652 67902 C9652 69001 Formatter LJ 4200L C9652 67903 C9652 69003 Formatter LJ 4300 Q9651A C9651 67901 C9651 69001 Formatter LJ 4250 4350 base models Q3653A Q3653 67901 Q3653 69001 Formatter LJ 4250 4350 network models Q3652A Q3652 67901 Q3652 69001 Laser scanners Laser scanner LJ 4200 RM1 0045 000CN Laser scanner LJ 4250 4350 RM1 1067 000CN Laser scanner LJ 4300 RM1 0113 000CN Power supply assemblies Power supply assembly LJ 4200 110 127 V RM1 0019 050CN Power supply assembly LJ 4300 110 127 V RM1 0107 000CN Power supply assembly LJ 4250 4350 110 127 V RM1 1070 000CN Power supply assembly LJ 4200 220 240 V RM1 0020 000CN Power supply assembly LJ 4300 220 240 V RM1 0108 000CN Power supply assembly LJ 4250 4350 220 240 V Fusers RM1 1071 000CN Fuser LJ 4200 110V RM1 0013 140CN Fuser LJ 4300 110V RM1 0101 200CN Fuser
163. replace the print cartridge E NOTE This test is especially important if refilled print cartridges are in use Image formation troubleshooting 381 Image defect tables Compare a printed sample of the image quality to these defect tables in order to determine a remedy Table 7 19 Print quality image defects Aa Cc AaBbCce AaBb z D Aa Ce AaBbCc AaBb AaBbCe Aa Ce AaBbCe AaBbCc AaBbCE Aa Ce AaBbCc AaBboCc aBbCE Aa Ce AGBbCe AaBbCc AOBoCe KaBbOb See Table 7 22 Specks or dots See Table 7 22 Specks or dots See Table 7 21 Light See Table 7 20 Light print partial page print entire page See Table 7 22 Specks or dots See Table 7 23 Drop outs and character AaBbC ce AaBoCc AaBDCC AaBoCc ANBdCc AaBbitg AgBbitGa Act CG Act O Act See Table 7 23 Drop outs and character See Table 7 23 Drop outs and character SeeTable 7 24 Lines AaBbCc AaBbCc AsBbCo WI C AaBoCc See Table 7 24 Lines voids voids voids AaBbCc AO AaBbCc AgBbCc AaBbCc AO Ge AaBbCc AaBbCce AaB Ce A AaBbCc AaBbCc AaBk Cce AaBbCc AaBbCc AaBboCc AaBbCc AaBbCc AaBboCc See Table 7 25 Grey background See Table 7 26 Loose toner or toner smear See Table 7 26 Loose See Table 7 27 toner or toner smear Repeating defects See Tabl
164. rify that it can move freely and is not damaged If necessary replace the stacker or stapler stacker The deflector solenoid SL1101 is damaged If necessary replace the deflector mechanism in the printer The stacker or stapler stacker PCA is defective Replace the stacker or stapler stacker Table 7 42 Delivery area jam troubleshooting Possible cause Recommended action s The leading edge of the media has passed the stapler or stapler stacker delivery rollers The staples are deformed stapler stacker only Replace the stapler unit See Maintaining the stapler unit The paper delivery sensor PS1102 arm cannot move freely or is damaged Inspect the paper delivery sensor PS1102 See Stacker and stapler stacker switches and sensors Verify that the sensor arm can move freely If necessary replace the stacker or stapler stacker The paper delivery sensor PS1102 spring is defective or damaged Reseat the paper delivery sensor PS1102 spring See Stacker and stapler stacker switches and sensors If necessary replace the stacker or stapler stacker The paper delivery sensor PS1102 is defective Replace the stacker or stapler stacker Troubleshooting the stacker and the stapler stacker 405 Paper transport errors Table 7 43 Paper transport error troubleshooting Possible cause Recommended action s The rollers are worn dirty or defective Inspect al
165. rotating the media 180 2 Check the media type and quality Replace the media if it does not meet specifications and advise the customer to use the HP recommended media and to store it correctly See Media specifications The operating environment does not meet specifications The cables are not securely connected to the laser scanner assembly Make sure that the printer is installed in an area that meets the environmental specifications See Operating environment Reseat the cables that are connected to the laser scanner assembly The cables are not securely connected to the dc controller PCA Reseat the cables that are connected to the dc controller PCA The laser scanner assembly is defective Replace the laser scanner See Laser scanner assembly The gears are worn Inspect the gears that drive the print cartridge and fuser Replace the main drive assembly See Main drive assembly Image formation troubleshooting The print cartridge motor is defective HP LaserJet 4250 4300 4350 only The dc controller PCA is defective Possible cause The media does not meet specifications or is not stored properly Replace the print cartridge motor HP LaserJet 4250 4300 4350 only See Print cartridge motor HP LaserJet 4250 4300 4350 series printer only Replace the dc controller PCA See Dc controller PCA Recommended action s 1 Turn over the stac
166. rsonalities and options on the configuration page reseat or replace the Jetdirect EIO card See the troubleshooting section of the HP Jetdirect Print Server Software Administrators Guide When the HP Jetdirect print server is installed correctly print a Jetdirect page this page automatically prints when a Jetdirect print server is installed and a configuration page is printed See Jetdirect page Embedded Jetdirect page HP LaserJet 4250 4350 Series printers The Jetdirect page contains valuable network related information about the printer If the host system and printer are still not communicating replace the formatter and or the EIO card and reconfigure the printer If the host system and printer continue to not communicate replace the entire formatter The following illustration shows the contents of the Jetdirect page Interface troubleshooting 331 Jetdirect page Embedded Jetdirect page HP LaserJet 4250 4350 Series printers hp LaserJet 4250 4350 series D Figure 7 6 Jetdirect page Embedded Jetdirect page HP LaserJet 4250 4350 Series printers 1 HP Jetdirect Configuration indicates UO card status status model number hardware firmware version port select port configuration auto negotiation manufacturing identification and manufactured date Security Settings information Network Statistics indicates the total packets received unicast packets received bad packets received framing errors rece
167. rts and supplies 445 446 Supplies See Ordering parts and supplies Consumables are available directly from HP at the following numbers m US 1 800 HPINVENT m Canada 1 800 474 6836 m United Kingdom 0734 441212 m Germany 0130 3322 Contact your local HP Parts Coordinator for other local phone numbers 8 Parts and diagrams Consumables and accessories Consumables Figure 8 1 Consumables Table 8 2 Consumables Ref Item Product number Service exchange number 1 10 000 page print cartridge LU 4250 4350 printers Q5942A Q5942 67901 1 12 000 page print cartridge LU 4200 4200L printers Q1338A Q1338 67901 1 18 000 page print cartridge LJ 4300 printers Q1339A Q1339 67901 1 20 000 page cartridge LJ 4250 4350 printers Q5942X Q5492 67902 2 Preventive maintenance kit LJ 4200 4200L printers Q2429A Q2429 67904 110 127 V 2 Preventive maintenance kit LJ 4200 4200L printers Q2430A Q2430 67904 220 240 V 2 Preventive maintenance kit LU 4250 4350 printers 110 127 V Q5421A Q5421 67901 2 Preventive maintenance kit LU 4250 4350 printers 220 240 V Q5422A Q5422 67901 2 Preventive maintenance kit LJ 4300 printers 110 127 V Q2436A Q2436 67905 2 Preventive maintenance kit LJ 4300 printers 220 240 V Q2437A Q2437 67905 3 1 000 staple cartridge 3 pack Q3216A Q3216 60500 Consumables and accessories 447 Accessories Figure 8 2 Accessories Table 8 3 Accessories R
168. s Cause Solution The oblique rollers are worn or damaged Replace the duplexer The oblique roller drive gears are worn or damaged Replace the duplexer The reversing motor is defective The duplex feed guide is damaged Replace the reversing motor Replace the duplexer The duplexing unit feed belt is cut or sagged If the duplexing unit feed belt is cut or sagging replace the belt The duplex sensors are defective Replace the duplexer Foreign materials or burrs are present on the reversing or feed guide If foreign materials are present on the reversing or feed guide remove them Replace the guide if it has burrs The dc controller PCA is defective Replace the dc controller PCA See Dc controller PCA 7 Troubleshooting Media transport problems If media is feeding incorrectly use the information in this section to identify and resolve the problem Multiple pages feed Table 7 14 Causes for multiple pages feeding Cause Solution The tray 1 separation pad is worn Replace the separation pad assembly Too much media particularly envelopes is loaded in tray 1 Remove some of the media and resend the print job The separation rollers in the tray are worn or damaged Replace the rollers See Tray 2 feed rollers for tray 2 500 sheet feed rollers for a 500 sheet feeder or 1 500 sheet feeder feed rollers for a 1 500 sheet feeder The
169. s E NOTE Communication problems are normally the customer s responsibility Time spent attempting to resolve these problems might not be covered by the Hewlett Packard product warranty Refer the customer to the network administrator for assistance in troubleshooting network problems If the printer is not connected directly to a Windows or MS DOS based host see EIO troubleshooting A CAUTION HP LaserJet printers are not designed to work with mechanical switch box products that do not have the correct surge protection These devices generate high transient voltages that cause permanent damage to the formatter PCA This circumstance is not covered by the HP product warranty Computer direct connect parallel test After the printer is insalled verify communications by bypassing the Windows driver between the printer and the IBM compatible computer Type the following information at the MS DOS prompt C DIR gt LPT1 Enter for printing to parallel port 1 The printer should print a directory listing of the C directory You might need to press v SELECT or Menu button on the control panel to print the data that is in the buffer EIO troubleshooting If the printer contains an optional HP Jetdirect print server and you cannot communicate with the printer over the network verify that the print server is operating Print a configuration page see Configuration page If the Jetdirect card does not appear under Installed pe
170. s and Alerts software When the printer is connected to the network by using a HP Jetdirect print server EIO card the embedded Web server is automatically available Use the embedded Web server to view printer and network status and to manage printing functions from your computer instead of from the printer control panel The following are examples of what you can do through the embedded Web server View printer status information m Specify the type of media that is loaded in each tray m Determine the remaining life for all supplies and order new supplies m View and change tray configurations m View and change the printer control panel menu configurations a View and print internal pages Receive notification of printer and supplies events m View and change the network configuration To use the embedded Web server you must have Microsoft Internet Explorer 4 or later or Netscape Navigator 4 or later The embedded Web server works when the printer is connected to an IP based network The embedded Web server does not support IPX based printer connections You do not have to have Internet access to open and use the embedded Web server Gaining access to the embedded Web server In a supported Web browser on your computer type the IP address for the printer To find the IP address print a configuration page FA NOTE After you navigate to the URL you can bookmark it so that you can return to it quickly in the future
171. s correctly loaded in the input trays and that all length and width guides are set correctly mu Clean the printer Toner and paper dust in the paper path can inhibit free movement of the media through the printer and can block the sensors m Use the paper path test on the Diagnostic menu to select various printer input and output options to determine if the problem is associated with a particular area of the printer m Worn rollers or separation pads can cause multifeeds Check the condition of the rollers and separation pads Defective paper tray switches can cause jams by communicating the wrong paper size to the formatter m Defective paper sensors along the paper path might signal a false jam Scraps of media that remain in the paper path can cause intermittent jams Always check that the paper path is clear after cleaning the printer or clearing jams Also remove the fuser and carefully check it for debris Paper path test This test generates one or more test pages that can be used to isolate the cause of jams Paper path troubleshooting 369 370 To isolate a jam you can specify which input tray to use which output bin to use whether to use the duplex path and the number of pages to print Printing multiple pages helps to isolate intermittent jam problems The following options are available for this test To Print test page This option uses factory default settings to run the paper path test The page starts fro
172. s not completed successfully Attempt the upgrade again SIZE MISMATCH IN TRAY XX For help press alternates with Ready For menus press Y The tray is loaded with media that is longer or shorter in the feed direction than the size setting for the tray 1 Adjust the side and rear paper guides against the stack From the control panel set the tray 1 paper size to the media size that is in tray 1 2 If the media being used is Letter A4 Executive B5 JIS A5 or Legal size the tray switch should be set to standard Set the tray switch to custom for all other media sizes The custom size switch must be set before the size can be selected at the control panel 3 Print a configuration page and verify that the tray size settings match the actual tray settings If the settings do not match verify that the tray size sensors are correctly functioning If they are not replace the media size sensors SW102 SW801 or SW1 See Printer switches and sensors 500 sheet feeder switches sensors solenoids and PCAs or 1 500 sheet feeder switches sensors solenoids and PCAs Verify that the sensor fingers inside the tray are engaging the tray sensor correctly See Tray 2 500 sheet feeder and 1 500 sheet feeder media size detection 4 Replace the indicated feeder control PCA For the 500 sheet feeder see 500 sheet feeder control PCA For the 1 500 sheet feeder see 1 500 sheet feeder control
173. s section contains illustrations and tables that list the printer and accessory internal components See Printer component locations and Accessory component locations Printer and accessory wiring diagrams This section contains wiring diagrams for the printers and accessories See Printer and accessory wiring diagrams General timing diagrams This section contains timing diagrams for the printer See General timing diagrams 7 Troubleshooting Troubleshooting process When the printer malfunctions or encounters an unexpected situation information on the printer control panel alerts you to the situation This section contains an initial troubleshooting checklist that helps to eliminate many possible causes of the problem The subsequent troubleshooting flowchart helps you to diagnose the cause of the problem The remainder of the chapter provides steps for correcting the problems that have been identified Use the initial troubleshooting checklist to evaluate the source of the problem and to reduce the number of steps that are required to fix the problem m Use the troubleshooting flowchart to pinpoint the cause of malfunctions The flowchart lists the section within this chapter that provides steps for correcting the malfunction Before beginning any troubleshooting procedure check the following m Are supply items for example the print cartridge fuser and rollers within their rated life Does the configuration page reve
174. sheet feeder RM1 0056 000CN 1 3 500 sheet universal replacement tray LJ 4200 4300 RM1 0028 060CN 1 3 500 sheet universal replacement tray LJ 4250 4350 RM1 1088 000CN 1 not Stop detent RC1 3303 000CN 1 shown not Limiter torque RC1 3335 000CN 1 shown Accessories 485 VAN VE A Figure 8 15 500 sheet feeder 2 of 2 8 Parts and diagrams 486
175. st You can select any m ALL TRAYS tray that is installed Select ALL TRAYS to test the paper path for m TRAY1 every tray Paper must be loaded in the selected trays m TRAY2 m TRAY lt N gt DESTINATION Select the output bin for the paper path that you want to test You can select m ALL BINS any output bin that is installed Optional bins stacker or stapler stacker bin m STANDARD must also be correctly configured Select ALL BINS to test the paper path m OUTPUT for every bin m OPTIONAL BIN 1 Control panel menus 321 Table 7 4 Diagnostics menu continued Item Values Explanation DUPLEX Determine whether or not the paper goes through the duplexer during the m OFF paper path test This item is available only if the duplexer is installed m ON COPIES Set how many sheets of paper are used from each tray during the paper m i path test If you are testing the stapling function of the optional stapler stacker m 10 DESTINATION item OPTIONAL BIN 1 you must select 10 copies m 50 100 m 500 322 7 Troubleshooting Service menu service PIN codes Authorized HP service technicians can use this menu to gain access to printer settings that are reserved for service personnel The service menu is protected by use of a personal identification number PIN When you select SERVICE from the list of menus you are prompted to type an eight digit PIN code E NOTE The printer automatically exits the servic
176. t be defective Replace the dc controller PCA See Dc controller PCA E NOTE Printer repairs that are required as a result of using non HP print cartridges are not covered under the HP warranty NON HP CARTRIDGE DETECTED alternates with Ready For menus press Y The printer has detected that a non HP print cartridge is currently installed If the print cartridge appears to be an authentic HP cartridge try installing another HP print cartridge that has the same shipment lot number If this clears the error message return the print cartridge that you removed to the supplier and report that it is defective If the error message persists the print cartridge might be a fraudulent cartridge If the error message persists the memory chip on the print cartridge or the connector location J600 might be defective The dc controller PCA might be defective Replace the dc controller PCA See Dc controller PCA 7 Troubleshooting Table 7 6 Alphabetical printer messages continued Control panel message Description Recommended action NOTE Printer repairs that are required as a result of using non HP print cartridges are not covered under the HP warranty OUTPUT BIN 1 FULL Remove all paper from bin NOTE The stacker or stapler stacker LED blinks in amber The stacker or stapler stacker output bin is full and must be emptied in order to continue printing 1 Remove the
177. t cartridge 4 For information about how to resolve a jam see the specific numerical error codes in this table 5 See Paper path troubleshooting in this chapter 13 01 00 or 13 03 00JAM IN TRAY x A page is jammed in tray X 1 Press Help button for detailed information about clearing the jam For help press A 13 01 00 error message indicates that the media did not arrive at the pre feed 2 Press A Ur Arrow button and Y sensor PS102 within the specified time Down Arrow button to step through or i Pog the instructions A 13 03 00 error message indicates that the g media did not arrive at the top of page 3 Check that the paper out sensor in the 3 03 00 sensor PS103 within the specified time specified tray is functioning correctly noha PA trays then open A NOTE The 13 01 00 error can 4 Clean the pickup roller If it is worn or P also be caused by the failure of the damaged replace it paper level sensor PS107 If this sensor fails the lifter motor does 5 Clean the feed and separation rollers If not rotate to lift the paper tray plate any of the rollers are worn or damaged replace them always replace both rollers at the same time This error can also be caused 6 Verify that the pre feed sensor PS102 when the printer attempts to pick up media from a tray that is empty but the paper out sensing mechanism for that tray has failed and the printer senses that the tray appears to be loaded is installe
178. te might not be available if the network administrator has restricted the rights to this function To view status messages and information On the left side of the window select the printer for which you want to see information The information that is provided includes status messages supplies status and printer capabilities You can also click the job history clock icon at the top of the window to view a list of previous jobs that were sent to the printer from your computer 7 Troubleshooting Control panel menus Use the control panel menus to control various printer functions For example you can use the RESETS submenu to quickly reset and restore most of the factory default printer settings Not all of the available menus are described in this manual For more information about control panel menus see Control panel menus Using control panel menus 1 2 Press v Select button or the Menu button to open the menus Use 4 Up Arrow button or Y Down Arrow button to scroll to the menu that you want and then press rv Some menus might have several submenus Use 4 or Y to scroll to the submenu item that you want and then press v Use 4 or Y to scroll to the setting and then press v An asterisk appears next to the selection on the display indicating that it is now the default Some settings change rapidly if 4 or v is held down Press Pause Resume to close the menu Control panel menus 319 Resets submenu
179. ternet site that is created exclusively for our partners You can easily find all the HP information that you need for your daily business And you can get it earlier than from any other site HP Customer Care Online Software drivers support documentation and answers to frequently asked questions http www hp com support Select your country region in the Select a country or region field located on the Web page Select the support block HP Technical Training Classes and schedules USA http www hp com go onlinelearning Canada http www canada hp com Asia http partnercare asiapac hp com Latin America http www conecta latinamerica hp com Parts Parts information http www hp com go parts http www hp com go partners csn http www partsurfer hp com Supplies paper Ordering information for supplies and media USA http www hp com go orderssupplies na Canada http www hp ca catalog supplies Europe http www hp com go supplies Asia Pacific http www hp com paper 444 8 Parts and diagrams HP provides free telephone support during the product warranty period When you call you will be connected to a responsive team waiting to help you For the number you should call in your country region see the support sheet that came in the box with your printer Before calling have the following information available m Product name for exa
180. the stapler stacker 407 Table 7 45 Component error troubleshooting continued Possible cause Recommended action s The OUTPUT PAPER PATH OPEN message appears on m The door open switch SW1101 is damaged or the control panel display but the jam access and stapler unit defective See Stacker and stapler stacker switches and doors are closed sensors Replace the stacker or stapler stacker m The stapler stacker PCA is defective Replace the stacker or stapler stacker The optional bin 1 full message appears on the control m The paper full sensor PS1106 is damaged or panel display but bin 1 is empty or not full defective See Stacker and stapler stacker switches and sensors Replace the stacker or stapler stacker m The stapler stacker PCA is defective Replace the stacker or stapler stacker 408 7 Troubleshooting Printer component locations The following sections describe the printer component locations Main printer parts Figure 7 10 Location of the main printer parts 1 of 4 1 Feed roller assembly 2 Lifter drive assembly 3 Laser scanner assembly 4 Duplexing pendulum assembly 5 Main drive assembly 6 Paper pickup drive assembly Printer component locations 409 Figure 7 11 Location of the main printer parts 2 of 4 gt D a o o 5 2 S SES o 2 cl ol EI S Solo S el 0 9 S Hei ai E EHM e Se SIS o o 5 8 E IDIL It Io Ion
181. tion Sheet solenoid damper Cable feeder connector LJ 4200 4300 Cable feeder connector LJ 4250 4350 Kicker assembly Size sensing assembly tray 2 Foot Guard right edge Guide ECU rear Guard left edge Screw tapping m3x6 Cable accessory interface Swing plate assembly Cable sensor top bin full LJ 4200 4300 Cable sensor top bin full LJ 4250 4350 Cable envelope feeder connecting LJ 4200 4300 Cable envelope feeder connecting LJ 4250 4350 Spring torsion Spring torsion Sensor top bin full PS104 LJ 4200 4300 Sensor stack PS104 LJ 4250 4350 Pickup drive assembly Screw tapping pan head m4x10 Screw tapping truss head m3x8 Screw tapping truss head m4x8 Part number RC1 0330 020CN RG1 4223 000CN RM1 1192 000CN HL 1 0015 000CN RM1 0041 020CN RB1 8107 000CN RC1 0242 000CN RC1 0244 000CN RC1 0247 000CN XA9 1503 000CN RM1 0042 000CN RM1 0043 020CN RG1 4214 000CN RM1 1189 000CN RG1 4224 000CN RM1 1193 000CN RC1 0254 000CN RC1 1923 000CN WG8 5362 000CN WG8 5624 000CN RM1 0034 040CN XB4 7401 007CN XB4 7300 809CN XB4 7400 809CN Qty 8 Parts and diagrams Internal components 469 Figure 8 8 Internal components 3 of 3 3 vt o 2 8 Parts and diagrams 470 Table 8 10 Internal components 3 of 3 Ref 18 19 20 21 22 23 25 25 25 25 25 25 26 26 Description Support lifter drive assembly Duct fan 2 right side L
182. ts replace the fuser See Fuser Media transport problems 37 oa Media is skewed Table 7 17 Causes for skewed media Cause Solution Paper dust or dirt has accumulated on the tray feed roller or Clean or replace the rollers separation roller The tray feed roller and separation roller are worn irregularly Replace the affected roller The registration assembly is defective Replace the registration assembly See Registration assembly The cassestte separation claw does not move smoothly oris Replace the side guide plate deformend CG YY 5 6 5 c 40 y95yhwdywQVWQowow EEH a dd d2323ili2ili212121217212712727iniamdd d d lc 376 7 Troubleshooting Image formation troubleshooting The image formation system is the central hub of the printer During image formation an image is formed with toner and then fused onto the paper The image formation system consists of the following physical components Laser scanner Print cartridge Fuser Transfer roller Supporting circuitry power supply and dc controller PCA Before beginning the image formation troubleshooting check that the media meets the specifications listed in chapter 1 and the HP LaserJet Printer Family Print Media Guide See Supported media weights and sizes and Paper and print media Media related print quality problems Some print quality problems occur when inappropriate media is used Use media that meets HP
183. ts expected life Replace the print cartridge The media does not meet specifications or is not stored correctly The high voltage contact to the power supply is poor 1 Turn over the stack of media in the tray Also try rotating the media 180 2 Check the media for type and quality Replace the media and advise the customer to use the HP recommended media and to store it correctly See Media specifications Clean the contacts if they are dirty If the problem persists after cleaning or if the contacts are damaged or deformed replace the contacts The laser scanner assembly is defective The high voltage circuit is defective Replace the laser scanner assembly See Laser scanner assembly Replace the power supply assembly See Power supply Repetitive defects troubleshooting Defects on printer rollers can cause image defects to appear at regular intervals on the page corresponding to the circumference of the roller that is causing the defect Measure the distance between defects that recur on a page Use the following table or the repetitive defect ruler to determine which roller is causing the defect To resolve the problem try cleaning the roller first If the roller remains dirty after cleaning or if it is damaged replace the part that is indicated in Table 7 40 Repetitive defects CAUTION Do not use solvents or oils to clean rollers Instead rub the roller with lint free paper If
184. urface of the drum to the paper Perform the half self test functional check see Half self test functional check to check the electrophotographic process If necessary replace the transfer roller See Transfer roller Continued The high voltage connector springs are dirty or damaged The high voltage connector springs protrude into the print cartridge cavity Clean the springs if they are dirty Replace the springs if they are damaged or missing No drum ground path exists When no drum ground path exists the drum cannot discharge The negative charge on the drum repels toner and leaves a nearly white page possibly with bubbled print Check the drum ground that runs from the contact point in the center of the print drum The high voltage circuit is defective The laser scanner cable is defective Replace the power supply assembly See Power supply Low level signals that are exchanged between the laser scanner assembly and the dc controller PCA might be affecting the laser output Replace the laser scanner cables Image formation troubleshooting 399 400 Table 7 39 Dark print AaBbCc AaBbCc AaBbCc AaBbCc Possible cause The toner density setting is incorrect Recommended action s Open the print quality menu at the control panel and adjust the toner density setting See Print quality submenu The print cartridge drum is close to the end of i
185. user setting is incorrect for the media type The transfer roller is damaged has finger oils on its surface or is dirty or worn Recommended action s Open the configure device menu at the control panel and change the fuser mode setting or select another media type See Configure device menu Clean the transfer roller by using a dry lint free cloth Do not touch the transfer roller with your fingers If the problem persists replace the transfer roller See Transfer roller Poor high voltage contact exists between the power supply and the print cartridge or transfer roller Inspect the contacts and clean them if they are dirty Replace them if they are damaged Act CG bc O Act AciBh CO AaBbitga The power supply is defective the transfer voltage is low Possible cause Vertical lines in the paper path direction Replace the power supply assembly See Power supply Recommended action s Circumfrential scars appear on the photosensitive drum Replace the print cartridge Foreign materials are deposited on the laser outlet of the printer or the laser inlet of the cartridge Remove the foreign materials Image formation troubleshooting The print cartridge is not installed correctly Remove the print cartridge and then reinstall it The top cover should close completely when the print cartridge is fully seated The print cartridge is defective
186. utput bin The fuser setting is incorrect for the Open the configure device menu at the media type control panel and change the fuser mode setting or select another media type See Configure device menu 1 Press Y SeLect button or the Menu button to open the menus 2 Use A Up Arrow button or Y Down Arrow button to scroll to Continued CONFIGURATION and then press w 3 Use 4 or Y to scroll to PRINT QUALITY and then press Y 4 Use 4 or Y to scroll to FUSER MODES and then press Y 5 Use A or Y to scroll to the submenu item that you want and then press Y 6 Press the Pause Resume button or the Menu button to close the menu Image formation troubleshooting 393 Table 7 31 Creases AaBbCce Possible cause The media does not meet specifications or is not stored correctly Recommended action s 1 Turn over the stack of media in the tray Also try rotating the media 180 2 Check the media for type and quality Replace the media if it does not meet specifications and advise the customer to use the HP recommended media and to store it correctly See Media specifications The operating environment does not meet specifications The media is not loaded correctly or the trays are not adjusted correctly Make sure that the printer is installed in an area that meets the environmental specifications See Operating environment Make sure that the media is loaded
187. v The printer will print 10 test pages and send them to the stapler stacker where they are stapled Table 7 41 Printer connection area jam troubleshooting Possible cause Recommended action s The leading edge of the media has emerged from the top of the printer The feed motor is defective Turn the printer off and then on Verify that the feed rollers rotate correctly If the rollers do not rotate replace the stacker or stapler stacker The feed rollers are worn or defective Clean the rollers if they are dirty If necessary replace the stacker or stapler stacker KH 7 Troubleshooting Table 7 41 Printer connection area jam troubleshooting continued Possible cause Recommended action s The inlet sensor PS1101 arm cannot move freely or is damaged The inlet sensor PS1101 spring is defective or damaged Inspect the inlet sensor PS1101 See Stacker and stapler stacker switches and sensors Verify that the sensor arm can move freely If necessary replace the stacker or stapler stacker Reseat the inlet sensor PS1101 spring See Stacker and stapler stacker switches and sensors If necessary replace the stacker or stapler stacker The stacker or stapler stacker PCA is defective Replace the stacker or stapler stacker The leading edge of the media has not emerged from the top of the printer The deflector cannot move freely or is defective Inspect the deflector Ve
188. wadd Z01Sd 4osues er E E d iming U0Ne o paads jeH LOIS piouajos dn yo1d ayasse9 gt o UoReIO1 paads In4 S LOLNA L Ue Buijoog Op O O9E OO zz Sa II SE 170 xosddy fa le UO xoddy GT xoiddy ei SS Z O xoiddy ka JO OW JaUUeIS SL 0 od Z o xoiddy a Z0 Xoiddy wi t00 yano Jelo pees E FO xosddy a LOLW 1030W ure yy ZOAN ZOO LOAN LOGA Get dO 1 aed jo doy 21033 uoneubisep yes Jud 05933 uoyeubisap uonenlasa zud reus spuodas mun A NO YMS Jamod HP LaserJet 4200 general t 7 Troubleshooting iagram d iming Figure 7 37 HP LaserJet 4200 general t 438 seiq Joo sinssai4 seq wj Joen ep oxouddy seq jeays usamjeg dOL abed jo doy a V E WEE ph JI E Bulb aaa E sang BuBueyp are Od TA aaa a aaa pa EN Ld Burd See ll nai of le zrowoaddy o Oddy 0 oq seg Budojanaq es ee LL a L LL JL page SE a ee bel a eucaened oe Le Le ran LL 1 orood ERR 0a seiq buibigyo Ueuud OU ed ov sera Bofe Aua E Le l L LJ OT ey oxo ddy sosuas ny ode Aes umop eoe Been Leben O a es E pe EE LL UI 901d sosues pm sodeq Ee pa bo ip aaa c LLJ o EE oe CO LL L
189. ware DIMM LJ 4200 4300 only Replace the firmware DIMM See Firmware DIMM LJ 4200 4300 only Display message troubleshooting 361 Table 7 7 Numerical printer messages continued Recommended action Control panel message Description 4 Replace the formatter assembly See Formatter assembly 64 A scan buffer error has occurred 1 Turn the printer off and then on PRINTER ERROR 2 If the message persists replace the formatter assembly See Formatter For help press assembly alternates with 64 PRINTER ERROR To continue turn off then on 66 00 15 The stacker or stapler stacker was removed 1 Turn the printer power off and then replaced while the printer power EXTERNAL DEVICE FAILURE was on 2 Verify that the stacker or stapler stacker is installed correctly NOTE The stacker or stapler stacker LED is off 2 Tum the printer power on 66 12 XX A stacker or stapler stacker error has 1 Press Herr button for detailed occurred information output device failure 5 XX Descripti 2 Press A Up Arrow button and Y For help press WEEK Down Arrow button to step through the instructions NOTE The stacker or stapler stacker LED 01 output lift roller or paddle motor error is continuously illuminated in amber 02 jogger motor error 3 Turn the power off 4 Verify that the stapler stacker is 93 stapiormotor tror installed correctly and that its electrical connector is seated in the connector on
190. witches sensors solenoids and PCAs Verify that the sensor fingers inside the tray are engaging the tray sensor correctly See Tray 2 500 sheet feeder and 1 500 sheet feeder media size detection TRAY XX SIZE lt XXXX SIZE gt For help press Display message troubleshooting A tray was installed with the standard custom switch set to Custom or with the paper guides in a non standard configuration The printer is prompting you to use the control panel to specify a predefined non standard paper size a custom paper size or an any custom or an any size setting The user s software program defines the any custom and any size settings Use the control panel to select the appropriate custom paper size Press Y SeLect button If the media used is Letter A4 Executive B5 JIS A5 or Legal sized the tray switch should be set to Standard Set the tray switch to Custom for all other media sizes The tray switch must be set to custom before the size can be selected at the control panel Print a configuration page and verify that the tray size settings match the actual tray settings If the settings do not match verify that the tray size sensors are functioning correctly If they are not replace the media size sensors SW102 SW801 or SW1 See Printer switches and sensors 500 sheet feeder switches sensors solenoids and PCAs or 1 500 sheet feeder switches sensors solenoi
191. y occur alternates with 2 Make the page contents less complex 21 PAGE TOO COMPLEX and re send the print job To continue press Y 22 ElO X The printer s EIO card in slot X has 1 Press Y Select button to resume overflowed its I O buffer during a busy state printing BUFFER OVERFLOW 33 T TE Al f Il To continue press Y Eat Jasa oss of data wi 2 Check the configuration of the EIO card and the host computer 2 If this error message persists replace the EIO card 22 PARALLEL I O The parallel buffer has overflowed duringa 1 Press Y SeLect button to resume busy state printing BUFFER OVERFLOW E NOTE A loss of data will For help press or help p occur alternates with 2 Check the parallel UO configuration Set HIGH SPEED to NO and ADVANCED FUNCTIONS to OFF 22 PARALLEL I O 3 Replace the formatter PCA See BUFFER OVERFLOW Formatter assembly To continue press Y 40 ElO X BAD A comnection with the card in ElO slot X 1 Press Sevect button to resume has been broken abnormally printing TRANSMISSION 499 gt NOTE Al f Il To continue press Y A T oss of data wi 2 Check that all of the cables are connected to the EIO ports and that the EIO board is seated properly 2 If possible print to another network printer to verify that the network is working properly 4 Check the configuration of the EIO card 5 If this error message persists replace the ElO card 354 7

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