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1.                      2 32  Duplex Option Service                                  2 35  Envelope Feeder Option Service Check               2 39  Erase Lamp Service                                   2 46  Fan Service                                   2 47  Fuser Service Check                              2 48  Fuser Envelope Conditioner Solenoid Service Check     2 51  Input Sensor Service                                   2 57  Input Tray s  Option Service                             2 58  High Capacity Feeder Input Tray Service Check         2 61  Main Drive Service                                    2 73  Operator Panel Service                                 2 74  Options Service                                       2 76  Output Bin Sensor Standard Tray Service Check        2 78  Output Expander Service Check                     2 79  Paper Feed Service                                    2 86  Parallel Port Service                                   2 89  Printhead Service                                     2 89  Print Quality Service                                   2 91    Contents iii    4059 XXX    Smart Cartridge Service                               2 102  Serial Port Service                                   2 104  Toner Sensor Service                                 2 104  Transfer Roll Service                                 2 105  Diagnostic AidS e AE eese RR Rem 3 1               MOS Lu lacs    cee E Rod BRONCE OC Rcs 3 1  Device        ccs cece ens eek EX er 
2.                    Envelope Feeder multifeeds or may not display a 260 Paper Jam  message     FRU Action       1   Envelopes Check the envelopes being used in  the feeder  Check for signs of the  envelopes being stuck together or  signs of glue  Check to make sure  the flaps are not interleaved        2   Deflector Check the deflector gap adjustment   The adjustment may be too wide        3   Restraint Roll Bias Spring Check for a missing  broken or  incorrectly installed restraint roll bias  spring  If incorrect  reinstall or  replace the spring                    260 Paper Jam displays  An envelope stopped in the paper path of  the feeder and an envelope also stopped in the base printer paper  path        FRU Action       1   Latch Lever Check to make sure the tip of the  latch lever is centered in the opening  in the floor of the paper path  The  latch lever may not be detented on  the latch                    2 45 4059 Service Manual    4059 XXX  Erase Lamp Service Check    Error code 928 may be displayed when the printer detects that the  erase lamp assembly  cable or engine board is defective     Note  If the erase lamp assembly is defective  both the erase lamp  and lens are replaced as a kit     Make the following checks when a 928 service error displays        FRU Action       1   Cable  Front Harness Check the connection of the front  harness to connector J10 on the  engine board for correct installation   If incorrect  repair as necessary   Check the front harness 
3.                 7 56  Assembly 18  CUBES            dd d oW R Ed a E RR Ran 7 60  Assembly 19  Output Expander                      7 66  Assembly 20  Envelope Feeder                      7 70  Assembly 21  High Capacity Feeder                  7 74  Assembly 22  Kiosk   Vertical Paper Adapter            7 84  Assembly 23  Kiosk   Horizontal Paper Adapter          7 86  Assembly 24                                           7 88  Assembly 25  Miscellaneous                        7 90   po  RENE RR TC daca        Li    Contents vii    4059 XXX  Notices and Safety Information          Laser Notices    The following laser notice labels may be affixed to this printer as  shown     Laser Advisory Label       Invisible laser radiation when open and interlock defeated  Avoid exposure to beam   Radiation laser invisible si le dispos tf est ouvert et non bloque  Eviter l exposition au rayon   Unsichtbare laserstrahlung wann drucker offen und sperre gel  st  Nicht dem strahl aussetzen     Onzichtbaro laserstraling wanneer open on niet vergrendeld  Vermijd blootstelling aan straal   Radiazioni laser visibili se  I dispositivo    aperto e non bloccato  Evitare l eposizione direta   Radiaci  n l  ser invisible si la puerta est   abierta y el dispositivo no est   bloqueado  Evite exponerse a la radiaci  n   Radia    o laser invisivel quando a tampa    aberta  Evite exposi    o aos raios          Avattaessa ja suojalukitus ohitettaessa olet              n  kym  tt  m  lle lasers  teilylle  A
4.                e Ae Units   Description   16 1 99A0350 1 Sensor  Paper Low   16 2 3 Screw  Auto Comp Mounting PP 99A0263  16 3 99A0405 1 Pick Arm Assembly   16 4 99A0070 2 Pick Roll Assembly   16 5 99A0298 1 Base  500 Bottom   16 6 99A0058 4 Pad  Base 500   16 7 99A0419 1 Spring  Tray Bias   16 8 99A0026 1 Tray Bias Arm Assembly   16 9 99A0288 1 Sensor  Option Pass Thru   16 10   99A0895 1 Restraint  Side 500 Sheet Tray   16 11   99A0292 4 Wear Strips   16 12   99A0123 1 Indicator Assembly  Paper Size   16 13   99A0461 1 Label  Tray Number  2 5    16 14   99A0457 1 Clip  500 Tray Wear   16 15   99A0126 4 Finger  Autosize   16 16   99A0124 1 Plate  Snap In   16 17   99A0418 1 Slider  Autosize 500   16 18   99A0120 2 Restraint Pad   16 19   99A0289 1 Tray  500 Sheet   16 20   99A0896 1 Restraint  Back 500 Sheet Tray   16 21   99A0894 1 Latch  Back Restraint   16 22   99A0447 1 Shaft  500 Drive   16 23   99A0284 1 Board  Tray 1250 1620 1650 2420 2450  16 23   99A0397 1 Board  Tray 1255 1625 1855 2455 3455  16 24   99A0275 1 Spring  Power Takeoff   16 25 3 Screw  Board Mounting PP 99A0263  16 26   99A0280 1 Bearing  Drive Shaft Low   16 27   99A0446 1 Aligner Assembly  Paper   16 28 1 Retainer  Aligner Assembly PP 99A0267  16 29   99A0274 1 Gear  Feed Roll   16 30   99A0063 1 Spring  Switch Activate       Parts Catalog 7 53       4059 XXX  Assembly 16  500 Sheet Tray  continued           7 54 4059 Service Manual    4059 XXX    Asm    Part   Index   Number  16 31   99A0286  16 32 
5.            a sx                                        5 21    Output Expander Control Board   Level 1 Stepper Motor 5 22  Output Expander Control Board   Level 2 DC Motor     5 24    Preventive                                                      6 1  Safety Inspection Guide                               6 1  Lubrication                           lt                              6 1  Scheduled Maintenance  2420 2450 2455 3455            6 2    vi 4059 Service Manual    4059 XXX    Parts Catalog  coco dices css                       665      6 4  7 1  How To Use This Parts Catalog                         7 1  Assembly 1  Covers sso         ss Ex vases AEN          7 2  UK ELE 7 6  Assembly 3                                                  7 10  Assembly 4  Paper Feed  Autocompensator            7 12  Assembly 5  Paper Feed   Multipurpose Unit           7 14  Assembly 6  Paper Feed   Alignment                 7 16  Assembly 7  Paper Feed   Output                    7 18  Assembly 8  Integrated Paper Tray   250 Sheet         7 20  Assembly 9  Main                                      7 22  Assembly 10  Developer                                 7 24  Assembly 11  FUSBI ii sous sec ned g   7 26  Assembly 12  Transfer   csse esas es auo NEEN        7 32  Assembly 13  Charging                            7 34  Assembly TA  e TEE 7 36  Assembly 15  250 Sheet Tray                       7 48  Assembly 16  500 Sheet Tray                       7 52  Assembly 17  500 500 Dual             
6.         Level 2    Connector Locations 5 10    4059 XXX  Fuser Board    Level 1       Connector    Pin No     Signal       J1 Engine Board    NarMedia       ThermGnd       HRTherm       Ground       ThumpA        5 V dc       ThumpB                   AJ wy          ExitSns        J2 Thermistor    ThermGnd       HRTherm       J3 Thumper    Ground        42V            J4 Thumper Solenoid    ThumpB       ThumpA       J5 Narrow Media  Sensor        5 V dc       Nar Media             Ground       5 11 4059 Service Manual       4059 XXX                                                    Level 2  Connector Pin No    Signal  J1 Engine Board 1 NarMedia  2 ThermGnd  3 HRTherm  4 Ground  5 ThumpA  6  5 V dc  7 ThumpB  8 ExitSns   J2 Thermistor 1 ThermGnd  2 HRTherm  J3 NA Not Used  J4 Thumper Solenoid   1 ThumpB  2 ThumpA  J5 Narrow Media 1  5 V de  Sensor  2 Nar Media  3 Ground                Connector Locations 5 12    4059 XXX                                                                                                                                                                                              Level 1    5 13 4059 Service Manual    4059 XXX  Interconnect Board       Connector    Pin No     Signal       J1 Fuser Solenoid   Model1620 1625      42 V dc       1650 1855 2420 2450   2455     Ground       J2 LVPS                42 V dc       Heaton       Xeroxing        24 V dc        24 V dc        24 V dc       Ground       Ground         oo NI  oOo  ay AJ OJN    Groun
7.        2 89 4059 Service Manual       4059 XXX          Service Error Code Explanation   2   Error Code 934 These error codes indicate a  Mirror Motor Lost Lock problem with the mirror motor circuit  Error Code 935 in the printhead assembly or the  Mirror Motor unable to mirror motor cable to the engine  reach operating speed board cable or engine board    assembly  Check the continuity of  the mirror motor cable connected to  J3 on the engine board  If incorrect   replace the cable  The voltage at  J3 7 measures approximately    24 V       If incorrect  replace the  engine board  If correct  replace the  FRUs in the following order     engine board    printhead assembly             Diagnostic Information 2 90    4059 XXX  Print Quality Service Check    Service Tip  Before troubleshooting any print quality problems do the  following       Install another print cartridge if available before proceeding with  the service checks       Use Tray 1 to test for print quality of the base printer     Select the following menu settings as indicated  Be sure and note  the original settings so you can return the printer to the original  customer printer setup       Print Resolution  Set to 300 dpi  print quality problems should  be checked at different resolution settings        Print Darkness  Set to NORMAL      Toner Saver  Set to OFF      PQET  Set to OFF      Fuser Temperature  Set to NORMAL     An incorrect printer driver for the installed software can cause  problems  Incorrect char
8.        Route the cables and torroid through the rectangular window in    the cover hinge pivot arm       Snap the operator panel and the cover open switch bracket    assembly into the upper front cover       Twist the cables together and attach to the cover hinge pivot    arm with a wire tie  Be sure the torroid is on the opposite end of  the cables near the engine board connectors       Route the cables through the printer and down the inside of the    engine board shield       Plug the cables into the engine board connectors     4 49 4059 Service Manual    4059 XXX  Optional 250 500 Paper Tray Assembly    Note  Remove the printer and other paper feed options to access  the failing optional paper tray assembly     Paper Tray Compensator Assembly    1  Remove the printer and other paper feed options     2  Disconnect the compensator assembly bias spring from the tray  frame     3  Disconnect the compensator assembly motor cable     4  Remove the three compensator assembly mounting screws and  remove the compensator assembly     Paper Tray Frame Assembly    1  Remove the compensator assembly   2  Release the paper pass through sensor from its retaining tabs     3  Release the frame assembly from the front and rear retaining  tabs and remove the paper tray frame assembly     Paper Tray Board    1  Remove the paper tray frame assembly   2  Disconnect all cables from the paper tray board     3  Remove the three paper tray board mounting screws and  remove the board     Note  Rein
9.      2 15 4059 Service Manual       4059 XXX    User Error Messages       User Error Message    Explanation       200 Paper Jam  Remove Cartridge    Paper is jammed at the printer Input Sensor   Open the printer   s upper front door and remove  the print cartridge to access the paper jam area        201 Paper Jam  Remove Cartridge    Paper is jammed between the printer s input and  exit sensors  Open the printer   s upper front door  and remove the print cartridge to access the jam  area        202 Paper Jam  Open Rear Door    Paper is jammed at the printer exit sensor  Open  the printer rear door to access the jam area        230 Paper Jam  Check Duplex    The paper is most likely jammed in the Duplex  Unit  Remove the duplex front cover to access the  jam area  If the paper is jammed in the rear of the  duplex  then replace the duplex front cover and  open the duplex rear door  If the paper is not  jammed in the duplex unit  then it may be jammed  in the rear of the printer  Open the printer rear  door to access the jam        24X Paper Jam  Check Tray X    Paper is jammed around Tray X  X tray 1 thru 5    Try opening Tray X  If the tray is difficult to  remove  then you may have to remove the tray  above or below tray X to remove the jammed  pages        250 Paper Jam  Check MP Feeder    Paper is jammed in the multipurpose feeder        260 Paper Jam  Check Envelope Feeder    27X Paper Jam  Check Output Bin X    Paper is jammed in the envelope feeder     Paper is jammed in
10.      The fuser lamp FRU is color coded  The left and right fuser lamp  bracket access holes let you view the end of the lamp  Use the  following table to identify and install the correct lamp                                Description Color Code  Fuser Lamp 115V 750W Red   Fuser Lamp 115V 500W White  Fuser Lamp 220V 750W Orange  Fuser Lamp 220V 500W Black   Fuser Lamp 100V 750W Purple  Fuser Lamp 100V 500W Yellow       Fuser Lower Exit Guide Assembly      Remove the fuser assembly      Remove the fuser cover assembly      Remove the fuser detack housing assembly      Remove the fuser flag assembly      Gently apply outward pressure on the left and right fuser side  frames to release the lower exit guide assembly                      4 33 4059 Service Manual    4059 XXX  High Voltage Power Supply    1   2     3     Disconnect the JVPS cable from the HVPS at connector  C      Disconnect the transfer roll cable from the HVPS board     A    Remove the inner paper deflector     Remove the toner sensor cable from the retainer  A  on the front  of the HVPS     Remove the right side cover     Note  Use caution when disconnecting the cable from the  transformer on the HVPS  The cable and connector can be  easily damaged       Remove the HVPS mounting screw  B        Slide the HVPS to the left to release the mounting tab and  remove the HVPS        C A B 205     Repair Information 4 34    4059 XXX  Inner EMC Shield    Remove the left door    Remove outer EMC shield    Remove all option
11.     4 47 4059 Service Manual    4059 XXX  Operator Panel    1  Remove the upper front cover    2  Gently press the three operator panel lens cover retaining tabs   A  and remove the lens cover  The button membrane is free to  remove from the assembly    3  Disconnect the operator panel cable and remove the operator  panel board        Repair Information 4 48    4059 XXX  Operator Panel Cable Cover Open Switch Assembly    Note  Pay careful attention to the cable routing through the printer  before you remove the operator panel cable cover open switch  assembly     1     2     Remove the left door  left cover  upper front cover  outer EMC  shield and inner EMC shield    Disconnect the operator panel cover open switch cable from the  engine board       Release the cables from the three cable retainers     Cut and remove the wire tie on the upper front cover hinge pivot    arm       Remove the operator panel and cover open switch bracket  Pull    the cables through the rectangular hole in the hinge pivot arm   Note  If a large snap on torroid is present on the old cable   remove the torroid before pulling the cables through the hinge  pivot arm       Plug the new operator panel cable into the operator panel and    snap the new cover open switch cable into the bracket  assembly    Note  If you remove a large snap on torroid from the old cable   you must break the small torroid from the new cable assembly  and replace it with the snap on torroid  Be careful not to  damage the cable
12.     BAR CODE AREA                          J8 J9 J10    J1  s03 SE   le  504  506    10 1 10 2 10 3 J11    Q                                Connector Locations 5 16    4059 XXX    Envelope Option Board       Connector    Pin No     Signal       J1    1    N A       Ground       Tx  EOC        Ground       Rx  EOC         24 V      Return            OO  oO  AJ              24 V dc       J2    Ground       Paper Present                     5 V dc       J3           Ground              m    Paper Present     5 V dc          J4           Motor   Phase B        Motor   Phase A        Motor   Phase B           AJOJN       Motor   Phase A        5 17 4059 Service Manual       4059 XXX       Connector Locations 5 18    4059 XXX    Duplex Option Board    Note  Duplex connectors J10 and J11 are interchangeable  No    problem results if the connectors are switched                                                                       Connector Pin No  Signal  J1 Motor 1 Motor    2 Motor    J2 DC Motor 1  5 V dc Sensor  Sensor Encoder Board  2 Tach    3 Ground  J3 Stepper Motor 1 STPMOTA    2 STPMOTA    3 STPMOTB    4 STPMOTB    J4 Fan 1  24 V dc  2 Fan On    J5 Paper Input Sensor 1  5 V dc Sensor  2 Input    3 Ground  J6 Rear Cover 1 Top Cover Open     Open Switch   Level 2 does not use  2 Ground  J7 Jam Removal Tray 1 Front Drawer Open    Open Switch   Level 2 does not use  2 Ground  J8 Paper Exit Sensor 1  5 V dc Sensor  2 Exit 4  3 Ground                5 19 4059 Service Manual       
13.     Error Code    Action       929 Toner Sensor    The toner sensor is not operating properly  the developer  drive assembly is not operating properly or the print  cartridge is defective  Go to the    Remove Paper   Output  Bin X is displayed  POST Incomplete  Unable to clear the  message     on page 2 84        930 Printhead  Error    The wrong printhead is installed  Replace with the  correct printhead        931 935  Printhead Error       931   Printhead   no first Hsync       932   Printhead   Lost HSYNCS       934   Mirror Motor  Lost Lock    935   Mirror Motor    unable to reach  operating speed     These errors represent a problem with the printhead  Go  to the  Printhead Service Check  on page 2 89        936 937  Transport Motor       936   Main Drive  Motor initial lock  failure          937   Main Drive  Motor lost lock       Indicates a problem with the main drive motor  Go to the   Main Drive Service Check  on page 2 73           Diagnostic Information 2 4    4059 XXX    Action    Error Code       939 Controller    Engine  Communications  Error    The controller board and the engine board cannot  communicate with one another  The controller board   engine board or interconnect board is defective  Check  each board for correct installation and secure ground  If  no problem is found  replace the FRUs in the following  order     controller board  engine board  interconnect board    Note  The controller software also can cause a 939 error  code  Contact your next le
14.     Random Marks Check the print cartridge for any  signs of loose or foreign material that  might be on the photoconductor   Check the transfer roll and charge  roll for any pieces of material that are  stuck to the rolls           Print Quality   Blurred or Fuzzy Print    Blurred of fuzzy print is usually caused by a problem in the main  drive gearbox assembly  alignment assembly  any feed roller or in  the transfer roll bearings or transfer roll  Check the gearbox  assembly for correct operation  Check the transfer roll for binds or a  contaminated shaft or bearings     Blurred print can also be caused by incorrect feeding from one of the  input paper sources  paper trays  duplex or envelope feeder     Check the high voltage contacts to ensure they are not bent   corroded or damaged  Replace as necessary     Diagnostic Information 2 94    4059 XXX  Print Quality   Evenly spaced horizontal lines or marks       FRU    Action       Lines spaced 3 19 mm    126 inch  apart    Lines spaced 22 32 mm    882 inch  apart    Lines spaced 28 7 mm   1 130 inch  apart    Lines spaced 47 83 mm   1 883 inch  apart    Lines spaced 63 77 mm   2 511 inch  apart    Lines spaced 38 26 mm   1 506 inch  apart    This can be caused by the motor  pinion gear on the main drive motor   Replace the main drive motor     This can be caused by a defective  gear in the main drive gearbox  assembly  Replace the main drive  gearbox assembly     This can be caused by defective  gear s  in the main drive gea
15.    Signal       J4 DC Motor 1    mtrout1    mtrout2       Ground       Ground       tach         oO  oa   AJ wl           5 V de       J5 Bin Full Near Full 1    Ground       Dual Sensor    Ground       binful       binful             ox                  RVsnsr          5 25 4059 Service Manual             4059 XXX  6  Preventive Maintenance    This chapter describes procedures for printer preventive mainte   nance  Following these recommendations can help prevent prob   lems and maintain optimum performance        Safety Inspection Guide    The purpose of this inspection guide is to aid you in identifying  unsafe conditions     If any unsafe conditions exist  find out how serious the hazard could  be and if you can continue before you correct the hazard     Check the following items       Damaged  missing  or altered parts  especially in the area of the  On Off switch and the power supply      Damaged  missing  or altered covers  especially in the area of  the top cover and the power supply cover      Possible safety exposure from any non Lexmark attachments       Lubrication Specifications    Lubricate only when parts are replaced or as needed  not on a  scheduled basis  Use of lubricants other than those specified can  cause premature failure  Some unauthorized lubricants may  chemically attack polycarbonate parts  Use IBM no  10 oil    P N 1280443  Approved equivalents  Mobil DTE27  Shell Tellus 100   Fuchs Renolin MR30   IBM no  23 grease  Approved equivalent  Shell Dari
16.    To run the Disk Test Clean Test     1  Select Disk Test Clean from the Device Tests menu        Files will be lost Go or Stop   message displays to warn the  user that all contents on the disk will be lost   2  To exit the test immediately and return to the Device Tests  menu  press Return Stop  To continue with the test  press Go       If gois selected   Disk Test Clean BAD 000000 00    message displays  The screen updates periodically  indicating the percentage of test completed and the number  of bad blocks found   3  The power indicator blinks during the test  The test can be  canceled anytime during the test by pressing Return Stop       Once the test is complete  the power indicator turns on solid  and a message displays     Diagnostic Aids 3 2    4059 XXX           xxxx Bad Blocks yyyyyy Usable    message displays if fewer  than 2000 bad blocks are detected  xxxx indicates the  number of bad blocks and yyyyyy indicates the number of  usable blocks          xxxx Bad Blocks Replace Disk    message displays if more  than 2000 bad blocks are detected  The disk cannot be  recovered because too many bad blocks exist on the disk     4  Press Go or Return Stop to return to the Device Tests menu   Flash Test    This test causes the file system to write and read data on the flash to  test the flash     WARNING  This test destroys all data on the flash because the  flash is reformatted at the end of the test     To run the Flash Test     1  Select Flash Test from the Device Te
17.   19 28   99A0364 1 Spring  Belt Tensioner   19 29   99A0351 1 Sensor  Output Expander Pass Thru   19 30   99A0370 1 Shaft Assembly  Middle Level 1  1650 1855 2420 2450 2455  Also order PP 99A0572   19 30   99A0913 1 Shaft Assembly  Middle 40T Level 2 3455  Also order PP 99A0572   19 31   99A0912 1 Frame Assembly  Output Expander Level 2  3455   NS 99A0429 1 Label  Options Circle 1855 2455 3455          Parts Catalog 7 69    4059 XXX  Assembly 20  Envelope Feeder       7 70 4059 Service Manual    4059 XXX                   ie EDS Units   Description   20 1 99A0389 1 Paper Weight Assembly   20 2 99A0391 1 Guide  Edge   20 3 99A0379 1 Cover  Top   20 4 99A0393 1 Clutch  Restraint Gear   20 5 99A0380 1 Cover  Right Side   20        99  0407 1 Base Assembly   20 6 99A0390 1 Support  Slide Out   20 7 99A0488 7 Roller  Support   20 8 99A0382 1 Motor  Stepper D C    20 9 99A0383 1 Board Assembly  Electronic Control   20 9 99A0402 1 Board Assembly  Electronic Control  1855 2455 3455   NS 6 Screw  Top Motor Board   NS 99A0484 1 Belt  Gear Drive   NS 99A0491 1 Bracket  Stack Limiter   NS 99A0400 1 Spring  Restraint Roll Shaft   NS 99A0489 1 Spring  Latch Return   NS 99A0487 1 Flag  Envelope Out Sensor       Parts Catalog 7 71       4059 XXX  Assembly 20  Envelope Feeder  continued        7 72 4059 Service Manual    4059 XXX                   ae Ge Units   Description  20 11 1 Gear Kit  PP 99A0271  1 o Gear  Feed  1 o Gear  Master Cam  1 o Gear  Drive Roll Shaft  3 o Gear  Master Feed K
18.   2450  2455  3455  1620  1625  1650 and 1855     The model 2420  2450 and 2455 printer fuser temperature is 200 8  degrees C while printing at 600 dpi and 163 9 degrees C while  printing at 1200 dpi     The model 1620  1625 and 1650 printer fuser temperature is 185 5  degrees C while printing at 600 dpi and 145 5 degrees C while  printing at 1200 dpi     The model 1250 and 1255 printer fuser temperature is 206 9  degrees C while printing at 600 dpi and 151 5 degrees C while  printing at 1200 dpi     The model 3455 printer fuser temperature is 270 degrees C while  printing at 600 dpi and 170 degrees C while printing at 1200 dpi     Diagnostic Aids 3 28    4059 XXX       Paper Feed Jams    Paper Jams   Base Printer  Error Message 200   Paper Jam   Remove Cartridge    This message indicates that paper is jammed at the printer input  sensor  This condition can be caused by the paper jamming prior to  activating the input sensor flag  the sensor not detecting paper over  the sensor or paper arriving at the sensor too late     Error Message 201   Paper Jam   Remove Cartridge    This message indicates the paper is jammed between the printer s  input and exit sensors  This condition can be caused by the paper  exiting the input sensor too late or jamming in the fuser assembly  prior to activating the exit sensor flag in time or not at all     Error Message 202   Paper Jam   Open Rear Door    This message indicates the paper is jammed at the printer exit  sensor  This can be caused b
19.   99A0278  16 33   99A0273  16 34   99A0279  16 35   99A0281  16 36   99A0444  16 37   99A0282  16 38   99A0438  16 39   99A0277  16 40  16 41   99A0451  16 42   99A0450  16 43   99A0276  16 44   99A0443  NS 99A0429    Units   Description       Spring  Backup Roller   Bellcrank  Roller Release   Gear  Bevel   Bearing  Drive Shaft   Cable  500 Auto Connect Top   Stud Assembly  500 Frame   Cable  500 Auto Connect Bottom  Bearing  Drive Roll   Wear Plate  Pass Thru   Screw  Wear Plate Mounting PP 99A0263  Roller  Skewed Backup   Retainer  Roller   Roll Assembly  Drive 500   Arm  Paper Out 500   Label  Options Circle 1255 1625 1855 2455                   a ch 828      4a wp    h pH  a     a oa oa ao a    Parts Catalog 7 55    4059 XXX  Assembly 17  500 500 Dual Tray          7 56 4059 Service Manual    4059 XXX          esche EE  Units   Description   17 1 99A0350 Sensor  Paper Low   17 2 Screw  Auto Comp Mounting PP 99A0263  17 3 99A0405 Pick Arm Assembly   17 4 99A0070 Pick Roll Assembly   17 5 99A0293 Base  500 Top   17 5 99A0298 Base  500 Bottom   17 6 99A0514 Screw  Dual 500 Mounting  17 7 99A0026 Tray Bias Arm Assembly  17 8 99A0419 Spring  Tray Bias   17 9 99A0058 Pad  Base 500    17 10 99A0288  17 11 99A0895  17 12 99A0292  17 18 99A0123  17 14 99A0461  17 15 99A0457  17 16 99A0126  17 17 99A0124  17 18 99A0418  17 19 99A0120  17 20 99A0289  17 21 99A0896  17 22 99A0894  17 23 99A0569  17 24 99A0277  17 25   17 26 99A0276  17 27 99A0450  17 28 99A0451  17 29 99A0438  17 3
20.   If multiple trays are low  they  are prioritized in the following order  Tray  5 4 3 2 1     Note  Tray X Low clears whenever Tray X goes  empty  or Tray X is removed  When Tray X is  reinserted  it is examined and the appropriate  status  if any  displays     Note  The printer cannot detect when the  envelope feeder or multipurpose feeder are low        2 21 4059 Service Manual       4059 XXX    User Line 2 Link Messages    If the printer is locked on a particular link  the link indication displays   If the printer is ready to process any link  none display  The link  messages are listed in the following table        User Message    Explanation                            Parallel Standard Parallel Port  if available    Serial Standard Serial Port  if available    Serial X Serial Port  where X 1 2 3  is attached to PCI  connector X    Network X Network card X  X 1 2 3  is attached to PCI  connector X    LocalTalk X LocalTalk Card X X 1 2 3  is attached to PCI  connector X    Infrared Standard Infrared port  if available    Infrared X Infrared Port X  X 1 2 3  is attached to PCI       connector X           Check Device Connection Messages    The messages in the following table display when the printer looses  communications with one of the following devices        User Status Message    Explanation       Check Output Bin X  Connection    Check Output Bin X     1 2 0   3         Check Env Feeder    Check Envelope Feeder Option Connection              Connection   Check Tray X
21.   Output Expander  Models 1650  1855  2450  2455 and 3455     General Information 1 4    4059 XXX       Maintenance Approach    The diagnostic information in this manual leads you to the correct  field replaceable unit  FRU  or part  Use the service error codes   user status messages  user error messages  service checks  and  diagnostic aids to determine the printer problem and repair the  failure  After you complete the repair  perform tests as needed to  verify the repair        Tools Required For Service    Flat blade screwdriver    1 Phillips screwdriver    2 Phillips screwdriver   7 0 mm nut driver   5 5 mm wrench   Needlenose pliers   Diagonal pliers   Spring hook   Feeler gauges   Analog or digital multimeter  Parallel wrap plug 1319128   Serial wrap plug 1329048  Twinax serial debug cable 1381963  Coax serial debug cable 1381964    1 5 4059 Service Manual    4059 XXX       Acronyms    CSU  DRAM  EDO  EP  EPROM    ESD  FRU  GB  HVPS  LASER    LCD  LED  LVPS  MROM  NVRAM  OEM  PC  POST  RIP  ROM  SIMM  SRAM  UPR  Vac  Vdc    Customer Setup   Dynamic Random Access Memory  Enhanced Data Out  Electrophotographic Process  Erasable  Programmable Read Only  Memory   Electrostatic Discharge   Field Replaceable Unit   Giga Byte   High Voltage Power Supply   Light Amplification by Stimulated Emission  of Radiation   Liquid Crystal Display   Light Emitting Diode   Low Voltage Power Supply   Masked Read Only Memory  Nonvolatile Random Access Memory  Original Equipment Manufacturer
22.   Photoconductor   Power On Self Test   Raster Imaging Processor   Read Only Memory   Single In Line Memory Module  Static Random Access Memory  Used Parts Return   Volts alternating current   Volts direct current    General Information 1 6    4059 XXX  2  Diagnostic Information       Start    CAUTION  Remove power from the printer before you connect or  disconnect any cable or electronic board or assembly for personal  safety and to prevent damage to the printer  Use the hand grips on  the side of the printer  Make sure your fingers are not under the  printer when you lift or set the printer down     Use the service error code  user status message  user error  message  symptom table  service checks  and diagnostic aids in this  chapter to determine the corrective action necessary to repair a  malfunctioning printer     Service error codes are indicated by a three digit error code  If a  service error code is displayed  go to the    Service Error Codes    on  page 2 2     User status messages provide the user with information on the  current status of the printer  Ready is displayed on the first line of the  display unless Power Saver is invoked  then Power Saver is  displayed  If a user status message is displayed  go to the    User  Status Messages    on page 2 12     User error messages are indicated by a two or three digit error code  that provides the user with information that explains a problem with a  print cartridge  paper jam  option  port  and so on  If a user erro
23.   Short pins 1 and 2  together while observing the sensor  test on the display  If the display  does not change  replace the high  capacity feeder system board  If the  display changes check the continuity  of the switch  If incorrect  replace the  Switch  If correct  replace the switch  cable        Tray X empty message displays when there is paper in the high    capacity feeder input tray        FRU    Action       1   Paper Out Sensor Flag       2 Paper Out Sensor           On Option System Board        Check the paper out sensor flag for  correct operation and installation  If  correct  replace the high capacity  feeder system board   The paper out  sensor is mounted on the high  capacity feeder system board         Tray X Empty Message displays when Tray X has paper in the tray        FRU    Action       1   Paper Out Sensor Flag    Check the flag for correct operation  and installation        on the High Capacity          2   Paper Out Sensor  Located       Feeder Tray Option Board     Run the Tray X sensor diagnostic  If  incorrect  replace the high capacity  feeder tray option board        2 65 4059 Service Manual             4059 XXX    The elevator tray fails to stop at the correct position and continues  to drive into the bottom frame           FRU Action  1   Lower Limit Switch Check continuity of the lower limit  Lower Limit Switch Cable switch  If incorrect  replace the    switch  If correct  check the switch  cable  If incorrect  replace the cable   If correct 
24.   ary ok  2 25   ii                   4 11 4059 Service Manual          4059 XXX       Removal Procedures    CAUTION  Remove power from the printer before you connect or  disconnect any cable or electronic board or assembly for personal  safety and to prevent damage to the printer  Use the hand grips on  the side of the printer  Make sure your fingers are not under the  printer when you lift or set the printer down     Note  Some removal procedures require removing cable ties  You   must replace cable ties during reassembly to avoid pinching wires    obstructing the paper path  or restricting mechanical movement   Covers    Left Door    Release the two left door latches  A  and remove the door  A       Repair Information 4 12    4059 XXX  Left Cover    1  Remove the left door   2  Remove the five mounting screws  A      A  102        4 13 4059 Service Manual    4059 XXX    3  Raise the upper front cover     4  Remove the three mounting screws  B   the print cartridge and  remove the left cover     B  324        Repair Information 4 14    4059 XXX  Right Cover    1  Raise the upper front cover     2  Release the cover latch  A  and remove the right cover  mounting screw          B  324        4 15 4059 Service Manual    4059 XXX    3  Remove the redrive assembly   4  Remove the right side cover mounting screws  B  and  C    5  Remove the right side cover     B  324      102        Repair Information 4 16    4059 XXX  Upper Front Cover    1  Raise the upper front cover     2  R
25.  10  Serial Wrap Test 3 12  Input Tray Tests 3 14  Input Tray Feed Test 3 14  Paper Feed Tests  Base Sensor Test 3 17  Input Tray Sensor Test 3 14  Output Bin Feed Test 3 15  Output Bin Sensor Test 3 16  Output Bin Test   Standard Bin  3 15  Output Bin X Sensor Test 3 16  Print Registration 3 18  Print Tests 3 22  Printer Setup 3 19  Maintenance Page Count  2420   2450 2455 3455  3 20  Restore EP Factory Defaults  3 21  Setting Configuration ID 3 20  Setting the Page Count 3 19  Viewing the Permanent Page  Count 3 19  Diagnostic Mode 3 1  Disabling Download Emulations 3 3  Disk Test Clean 3 2  DRAM Memory Test 3 10  Duplex Option Board Connectors  5 19  Duplex Tests 3 4    E    Engine Board Connectors 5 4  Envelope Option Board Connectors  5 17    Index 1 1    4059 XXX    Error Codes  Service Error Codes 2 2  User Error Messages 2 16  Error Log 3 8  ESD Sensitive Parts 4 1    F    Flash Test 3 3  Fuser Board 5 11    G  Gap Adjustment 4 3    H    Hardware Tests 3 9  HVPS Connectors 5 3    Input Tray Feed Test 3 14  Input Tray Sensor Test 3 14  Interconnect Board Connectors 5 14    L    Laser Notices ix   LCD Test 3 9   Lubrication Specifications 6 1  LVPS Connectors 5 1    Maintenance Approach 1 5  Maintenance Page Count  2420 2450   2455 3455  3 20  Maintenance  Preventive 6 1  Maintenance  Scheduled  Model 2420   2450 2455 3455  6 2  Messages  Check Device Connection  Messages 2 22  Service Error Codes 2 2  User Error Messages 2 16  User Line 2 Link Messages 2 22  User Line 
26.  21 80 3 Screw  2000 Tray Option Card Mounting  PP 9940263   NS 4 Foot  Stabilizer PP 99A0672   NS 4 Mounting Feet PP 99A0687          Parts Catalog 7 81    4059 XXX  Assembly 21  High Capacity Feeder  continued        7 82 4059 Service Manual    4059 XXX                   e EDS Units   Description   21 81 3 Screw  Auto Comp Assembly Mounting  PP 99A0263   21 82   99A0674 1 Arm Assembly  Pick 2000   21 83   99A0070 2 Roll Assembly  Pick   21 84   99A0692 1 Base  2000 Option   21 85 1 Screw  Deflector Mounting PP 99A0263   21 86   99  0678 1 Deflector  Base   21 87   99A0288 1 Sensor  Pass Thru   21 88   99A0461 1 Label  Tray Option Numbers   21 89 4 Washer  Bracket 250 Frame Retention  Mounting PP 99A0677   21 90 4 Screw  Bracket 250 Frame Retention  Mounting PP 99A0263   21 91   99A0679 2 Bracket  250 Frame Retention   NS 99A0448 1 Arm  Paper Out 250 Sheet   NS 99A0429 1 Label  Options Circle 1255 1625 1855 2455       Parts Catalog 7 83       4059 XXX  Assembly 22  Kiosk   Vertical Paper Adapter       7 84 4059 Service Manual    4059 XXX                   ie EDS Units   Description   22 1 99A0231 1 Bail  Support   22 2 99A0112 1 Mounting  Frame Assembly  22 3 99A0197 1 Shaft  Drive Rear   22 4 12 Retainer PP 99A0240   22 5 99A0209 1 Arm Assembly  Pivot   22 6 16 Screws PP 99A0234   22 7 7 Parts  Pulley PP 99A0208  22 7B 3 Gear  Idler PP 99A0237  22 8 99A0079 1 Tray Assembly  Backup Roller  22 9 99A0087 6 Spring  Backup Roller  22 10   99A0086 6 Roller  Backup   22 11   99A01
27.  250  Sheet Paper Tray Option     Go to the    Input Tray s  Option  Service Check    on page 2 58        Paper feed problem with 500  Sheet Paper Tray Option     Go to the    Input Tray s  Option  Service Check    on page 2 58        sheet paper tray option     Paper feed problem with 500 500    Go to the    Input Tray s  Option  Service Check    on page 2 58        Media fails to pass thru from the  lower attached Paper Tray option          to the next higher mounted option     Go to the    Input Tray s  Option  Service Check    on page 2 58        Symptom Table   Duplex       Symptom    Action       Paper feed problem with Duplex    Go to the    Duplex Option Service  Check    on page 2 35        Paper jams at Paper Removal  Tray    Go to the    Duplex Option Service  Check    on page 2 35        Paper skews in the Duplex Option    Go to the    Duplex Option Service  Check    on page 2 35        Paper fails to pass from lower  option thru the Duplex Option           Go to the    Duplex Option Service  Check    on page 2 35        Symptom Table   Envelope Feeder Option       Symptom    Action       Envelopes do not feed from the  envelope feeder     Go to the    Envelope Feeder Option  Service Check    on page 2 39        Envelopes do not feed properly  into base printer           Go to the    Envelope Feeder Option  Service Check    on page 2 39        2 27 4059 Service Manual             4059 XXX    Symptom Table   Output Expander       Symptom    Action       Printer doe
28.  3 seconds     Sync Busy Error   Byte Interrupt Request Error  Strobe Interrupt Request Error  Init Fail Error   Init Busy Error   Init Rise Error   Host Busy Error   RAM Data FF Error   RAM Data AA Error   RAM Data 00 Error   RAM Data 55 Error   DMA Count Error   DMA Address Error    3 11 4059 Service Manual    4059 XXX    DMA Interrupt Error   DMA Memory Error   DMA Background Error   Clear Init Rise Error   False Init Rise Error   Autofeed Rising Interrupt Error  Clear Autofeed Rise Error  False Autofeed Rise Error  Autofeed Falling Interrupt Error  Clear Autofeed Fall Error    Once the maximum count is reached the test stops  The power  indicator goes on solid and the final results display     Press Return Stop to exit the test     Serial Wrap Test    This test is used to check the operation of the Serial Port Hardware  using a wrap plug  Each signal is tested     To run the Serial Wrap Test     1   2     Disconnect the serial interface cable and install the wrap plug     Select the appropriate Serial Wrap Test from the menu  Serial  Wrap  Serial 1 Wrap  Serial 2 Wrap or Serial 3 Wrap  P  amp  F  represent the same numbers for DRAM         The power indicator blinks indicating the test is running       This test runs continuously unless canceled by pressing Return     Stop     Diagnostic Aids 3 12    4059 XXX    Each time the test finishes  the screen updates with the result  If the  test passes  the Pass Count increases by 1  however if the test fails   one of the follow
29.  4 and the  motor housing  If you find a problem   replace the stepper motor  If you do  not find a problem  replace the  output expander mechanical linkage  assembly              Diagnostic Information 2 82    4059 XXX    FRU    Action       4   Output Expander Control  Board Level 1             Check the voltages at connector J4   Go to    Output Expander Control  Board   Level 1 Stepper Motor    on  page 5 22     Printer idle   J4 1  21 V dc to  24 V dc  J4 2  21 V dc to  24 V dc  J4 3  21 V dc to  24 V dc  J4 4  21 V dc to  24 V dc    Printer Feeding Paper   J4 1 Approximately  16 V dc  J4 2 Approximately  16 V dc  J4 3 Approximately  16 V dc  J4 4 Approximately  16 V dc    The voltage drops to approximately   16 V dc as the output expander bin  stepper motor turns on and a sheet  of paper is fed through the redrive  into the output expander assembly  If  any of the voltages fail to change   replace the output expander option  board  If that does not correct the  problem  replace the output  expander mechanical linkage  assembly        2 83 4059 Service Manual       4059 XXX    Remove Paper   Output Bin X is displayed  POST Incomplete   Unable to clear the message        FRU Action       1   Dual Output Bin Sensor Flag   Check the flag for correct  operation  binding  broken parts or  interference from the sensor  cable  If incorrect  repair as  necessary                    271 Paper Jam   Check Bin X  POST Incomplete          FRU Action   1   Pass Thru Sensor and Flag Ch
30.  4059 XXX  Configuration 3    A level 11 fuser board and level Il engine board without the solenoid  cable is installed in configuration 3     Note  Check the fuser envelope conditioner solenoid adjustment as  described in the adjustment section    Fuser Solenoid Adjustment    on  page 4 3     FRU Action       1   Engine Board Jumpers Check to make sure a jumper is  installed between JP1 1 and JP1 2  and also between JP2 1 and JP2 2 on  the engine board        2   Fuser Envelope Conditioner   The operation of the fuser solenoid  Solenoid Fuser Control can be observed by removing the  Board redrive assembly  Check for proper  mechanical operation of the solenoid  and associated hardware  link and so  on  If correct  disconnect the DC fuser  cable from J1 on the fuser control  board and check the resistance of the  solenoid between J1 2 and J1 4 on  connector J1  The resistance  measures between 5 ohms and 10  ohms  If incorrect  disconnect the  solenoid from J4 and check the  resistance of the solenoid between  J4 1 and J4 2  If incorrect  replace the  solenoid assembly  If correct  replace  the fuser control board        3   Fuser Cable Check the continuity of the fuser  cable  If the cable does not measure  continuity  replace the cable                    Diagnostic Information 2 56    4059 XXX    FRU Action       4   Engine Board Check the  42 V dc test point on the  engine board  Go to    Engine Board     on page 5 4 in the locations section to  find the  42 V dc test poin
31.  419  Developer Drive                                           4 20  Duplex Board                  T        2    4 21  Duplex Front Cover Assembly                      4 21  Duplex Front Cover Door        EE 2    421  Duplex Front Cover Door Switch                     4 21  Duplex Motor             hou us TE             susa 4 22  EMMO        eM             ER 4 23  EP Frame Assembly            T     er      423  ui PM KEEPER TREE ia deh poe ee ae bok kate 4 24  Fuser         EE brad        2    426  FUSO                                          4 27  Fuser Cover   cesses erem mes beu DEE 2    428  Fuser Detack                                            4 29  Fuser Detack Housing Assembly                      Fusor Transiter           2552225 em a ace ace d 4 30  Fuser Envelope Conditioner Solenoid             2    4 31  Fuser Exit Flag Assembly    n    anaana nannaa 4 31  Fuser Exit Roll Assembly         TETEE          sese 4 32                              ak a ORE EE 4 33  Fuser Lower Exit Guide Assembly      ae eer        4 22  High Voltage Power                                     4 34    Contents       4059 XXX    Itiner EMO Shield  22 54                         RA REPE PE 4 35  Inner Paper Deflector Assembly                     4 36  Integrated Tray Compensator Assembly               4 37  Integrated Tray Compensator Pick Roll Assembly       4 38  Interconnect Board                                       4 39  La SiGe FUNG iso dass asa Re dpa aque            4 41  Low 
32.  Adjustment    Do the printhead assembly adjustment whenever you remove or  replace the printhead assembly or loosen the mounting screws     Install the new printhead with the three mounting screws centered in  the slots in the printhead frame assembly  Leave the screws loose  enough to allow the printhead assembly to move from side to side  within the slots  It is necessary to perform a registration adjustment  before locking down the three printhead mounting screws     To perform the registration adjustment           2   3     Turn the printer off   Press and hold  Return and Go     Turn the printer On and release the buttons when    Performing  Self Test  displays       Select Registration from the menu     Select Quick Test Page  The test page should only be printed on    letter or A4 paper from Tray 1  The Quick Test Page consists of  alignment diamonds  horizontal lines that can be used for skew  adjustment  page count setting  printer serial number code  levels and print registration settings       Check the Quick Test Page for any sign of skew by checking the    diamonds at the top left and top right of the test page for equal  distance from the top of the page  If any adjustment is  necessary  adjust the left or right printhead mounting screws  and check the skew again by running another Quick Test Page   This procedure may take two or three attempts before you get  satisfactory results       When you have the correct adjustment  gently tighten the    printhead mount
33.  Alignment Assembly Paper Feed   6 2 99A0492 1 Screw  Paper Reference Adjustment  6 3 99A0566 1 Nut   6 4 99A0559 1 Lever  Bellcrank Release   6 5 99A0565 1 Washer  Reference Adjustment   NS 99A0490 1 Clip  Reference Ground   NS 2 Screw  Alignment Asm Mtg PP 99A0263       Parts Catalog 7 17       4059 XXX  Assembly 7  Paper Feed   Output                               7 18 4059 Service Manual       4059 XXX          etd ELS  Units   Description   7 1 99A0090 1 Deflector Assembly  Inner 500 2450 2455   7 1 99A0091 1 Deflector Assembly  Inner 250  1620 1650 1250 1255 2420 1855 1625   7 1 99A0502 1 Deflector Assembly  Inner 250 1855   01   7 2 99A0109 1 Deflector Assembly Outer 500 2450 2455   7 2 99A0110 1 Deflector Assembly Outer 250    1620 1650 1250 1255 2420 1855 1625  Spring  Upper Diverter   Separator  Upper   Screw  SEMS Duplex Path PP 99A0263  Deflector Assembly  Inner 500 3455  Restraint  Door Hinge    NS 99A0104  NS 99A0107  NS  NS 99A0891  NS 99A0921                    Mi                 Parts Catalog 7 19    4059 XXX  Assembly 8  Integrated Paper Tray   250 Sheet       7 20 4059 Service Manual    4059 XXX                   ae o Units   Description   8 1 99A0115 1 Tray  Integrated 250 Sheet   8 1 99A0504 1 Tray  Integrated 250 Sheet 1855 C01  8 2 99A0894 1 Latch  Back Restraint   8 3 99A0120 2 Restraint Pad   8 4 99A0892 1 Restraint  Side 250 Sheet Tray   8 5 99A0119 4 Wear Strips   8 6 99A0123 1 Indicator Assembly  Paper Size   8 7 99A0461 1 Label  Tray Number   8 8 
34.  CBM 22 mm  1620 1650 1250 1255 1855 1625   NS 99A0159 2 Spacer  Backup Roll  1620  1650 1250 1255 1855   11 10   99A0173 1 Solenoid Assembly  Envelope Conditioner  1620 1625 1650 1855 2420 2450 2455 3455   11 11 1 Screw  Solenoid Mounting PP 99A0263   11 12 1 Screw  Board Cover Mounting PP 99A0263   11 13   99A0557 1 Cover  Fuser Board  1620 1650 2420 2450 2455 1855 1625   11 14   99A0547 1 Wire  Ground   11 15 1 Screw  Ground Wire PP 99A0263   11 16   99A0196 1 Clamp  DC Fuser Cable   11 17   99A0170 1 Board Assembly  Fuser w o Driver 1250 1255   11 17   99A0171 1 Board Assembly  Fuser w Driver  1620 1650 2420 2450 2455 1855 1625   11 17   99A0826 1 Board Assembly  Fuser 3455   11 18   99A0546 2 Clamp  AC Fuser Cable   11 19 2 Screw  Fuser Cover Assembly PP 99A0263   11 20   99A0142 2 Retainer  Hot Roll Bearing   11 21   99  0143 2 Bearing  Hot Roll   11 22   99A0150 2 Bushing  Hot Roll   11 23   99A0163 2 Bellcrank  Backup Roll 1250 1255   11 23   99A0162 2 Bellcrank  Backup Roll 1620 1650 1855 1625   11 23   99A0161 2 Bellcrank  Backup Roll 2420 2450 2455   11 23   99A0890 1 Bellcrank  Backup Roll 3455   11 24   99A0164 1 Guide  Fuser Entry  1620 1650 2420 2450 2455 1855 1625 3455   11 24   99  0713 1 Guide  Fuser Entry 1250 1255   11 25   99A0412 2 Spring  Backup Roll Bellcrank 1250 1255   11 25   99A0410 2 Spring  Backup Roll Bellcrank  1620 1650 2420 2450 2455 1 855 1625 3455   11 26 2 Retainer  Backup Roll Bellcrank PP 99A0267   11 27   99  0157 1 Gear  Hot Roll   11 
35.  Check Tray X  X 1 2 3 4 or 5    Connection   Check Duplex Check Duplex Option Connection   Connection             Diagnostic Information 2 22    4059 XXX    The messages in the following table can occur in two ways  The  specified device could have been removed from the printer  for  instance to clear a paper jam  Otherwise  the device can still be  attached to the printer  but is experiencing a communications  problem  not fully connected  or having a hardware failure        f the device is temporarily removed or not connected properly   then reattach it  When the option is recognized  the printer  automatically clears the error and continues       fthe option is experiencing a hardware problem  turn the printer  off and back on  If the error occurs again  turn the printer off   remove the option and call for service        User Status Message    Explanation       Turn Printer OFF to  Enable Option    This message displays when a printer option   Input Tray  Output Bin or Envelope Feeder  has  been attached while the printer is powered On  In  order to use the option  the printer must first be  powered off and back on again  Data loss results  if print jobs are active when the printer is power  cycled  If a print job is active  then remove the  option and finish the job  The printer automatically  clears the message once the option is removed   Once the job is complete  turn off the printer and  attach the option again        Insert Duplex Front  Cover    This message displ
36.  Driver 1250 1255   14 40   99  0171 1 Board Assembly  Fuser with Driver  1620 1625 1650 1855 2420 2450 2455   14 40   99A0826 1 Board Assembly  Fuser 3455   14 41   99A0027 1 Cover  Fuser Assembly with Thermistor   Thermal Fuse and RH Fuser Lamp Contact  Assembly   14 42   99A0169 1 Sensor  Narrow Media   14 43   99A0252 1 Cable  Fuser D C    14 44   99A0258 1 Cable  Fuser A C    14 45   99A0250 1 Cable  Mirror Motor          Parts Catalog 7 47    4059 XXX  Assembly 15  250 Sheet Tray       7 48 4059 Service Manual    4059 XXX          ie EE Units   Description   15 1 99A0287 Pick Arm Assembly   15 2 Screw  Auto Comp Mounting PP 99A0263  15 3 99A0070 Roll Assembly  Pick   NS 99A0438 Bearing  Drive Roll   15 4 99A0448 Arm  Paper Out 250   15 5 99A0266 Base  250 Option   15 6 99A0026 Tray Bias Arm Assembly  15 7 99A0419 Spring  Tray Bias   15 8 99A0058 Pad  Machine Mounting  15 9 99A0288 Sensor  Option Pass Thru    15 10 99A0272  15 11 99A0275  15 12 99A0282  15 13 99A0451  15 13B   99A0450  15 14 99A0276    Shaft  250 Drive   Spring  Power Takeoff   Cable  250 Tray Option   Roller  Skewed Backup  Retainer  Roller   Roll Assembly  Drive 500 Dual    15 15 Screw  Wear Plate Mounting PP 99A0263  15 16 99A0277 Wear Plate  Pass Thru 250 Tray  NS 99A0278 Bellcrank  Roller Release    15 17 99A0280  15 18 99A0274  15 19 99A0273  15 20 99A0279  15 21 99A0445  15 22 99A0281    Bearing  Drive Shaft Low   Gear  Feed Roll   Gear  Bevel   Bearing  Drive Shaft   Stud Assembly  250 Frame  Cab
37.  Error Code  Service Tray X  X  displays the number of the  tray that has a problem or needs service        FRU Action       1   Tray X option System Board Check the autoconect cables and   or Compensator Assembly connectors for any signs of damage    or Autoconnect Cable Replace if necessary  Check the  cables for continuity  If incorrect   replace the compensator assembly  cable  If the cables  connectors and  connections are good  replace the  FRUs in the following order     autocompensator assembly option          System board       Diagnostic Information 2 58    4059 XXX    24X Paper Jam message displays  Paper jammed over the Pass  Thru Sensor   The printer displays the value of X for the paper tray  where the error occurs  Example  241 is a Paper Jam Tray 1        FRU Action       1   Pass Thru Sensor and Flag The tray x option system board did  Assembly not detect a piece of paper actuating  the pass thru sensor  Remove any  jammed sheets of paper from the  printer and check the pass thru  sensor and flag for proper operation  by running the appropriate Tray  Sensor Test from the diagnostics  menu  If the test fails  check the  sensor for correct installation and the  flag for proper operation  Also check  the sensor cable to make sure it is  correctly connected to the option  system board  If incorrect  replace  the tray x option pass thru sensor       assembly   2   Power Takeoff Shaft and Check these parts for signs of  Spring  Bevel Gear  broken or damaged parts  
38.  FRU       Action       2   Charge Roll Assembly  Charge Roll Link Arm    Check the charge roll for any signs  of toner buildup or other  contamination on the outer edges  that correspond to the bands on the  page  Check the charge links and  arms for proper operation  binds or  incorrectly mounted counterbalance  springs  Repair or replace as  necessary        3  HVPS          Check the following voltages at  J10 8 on the engine board     Printer Idle  J10 8 measures 0 V dc    Printer Printing Test Page  J10 8 voltage changes from 0 V dc  to  4 V dc    If the voltage does not vary  check  the continuity of line J10 8 in the  front cable harness  If there is no  continuity  replace the cable  harness  If there is continuity   replace the HVPS  If this does not  correct the problem  replace the  engine board     Turn the printer Off and check the  resistance between J10 7 and  printer ground  The resistance  measures approximately 0 ohms  If  incorrect  make sure the engine  board is mounted correctly and  securely grounded  If correct   replace the engine board        Print Quality   Residual Image    Service Tip  Install a new print cartridge if available before doing this  service check  Residual image can be caused by the  photoconductor  cleaning blade and other parts inside the print  cartridge  Residual image on model 3455 can also be caused by the    charge brush contact     Diagnostic Information 2 100    4059 XXX       FRU    Action       1   Erase Lamp Assembly    C
39.  Feedroll Gear  Drive Roll contamination on the drive rollers or  Assembly  Wear Plate  wear plate and wear or damage to  Drive Shaft Bearings and the drive shaft bearings  Check the  Skewed Backup Roller drive roll assembly and skewed    backup roller for signs of wear  slick  spots  material buildup  and oil or  grease on the rollers  Also check for  proper operation of the paper  aligning assembly  Repair or replace  parts as necessary                    2 59 4059 Service Manual    4059 XXX    Tray X Low message displays when Tray X is full or has adequate    paper in the tray        FRU    Action       1   Paper Low Sensor  Assembly   Paper Low Sensor Flag  Tray X Option System  Board          Run the Tray X Sensor Test and  check the sensor for proper  operation  If incorrect  check the  following     Paper low sensor flag for smooth  and correct operation     Paper low sensor for correct  installation on the autocompensator  housing     Paper low sensor cable for signs of  cuts  pinched wiring or other  damage especially at connector J5  on the system board     If no problem is found  replace the  paper low sensor assembly  If this  does not correct the problem   replace the option system board        Tray X Empty message displays when Tray X has paper in the tray        FRU    Action       1   Paper Out Sensor Flag       2   Paper Out Sensor  On  Option System Board           Check the paper out sensor flag for  correct operation and installation  If  correct  replace 
40.  J11 1 and   diamonds  5 Beeps J11 3  The voltage measures  approximately  5 V dc  If incorrect   replace the FRUs in the following  order     operator panel assembly    engine board             Options Service Check    Service Tip  When you have a problem with any of the options  installed in the options slots on the interconnect board on a 2450 or  1650  the 1250 has only one slot   switch the non operating option to  one of the other option slots to isolate the failure     Flash Memory Option s     Run a copy of the test page and check to see if the option you are  checking is listed  The printer does not recognize the option being  installed if the option is not listed  Check to make sure that the  Memory SIMM is installed correctly and is not broken or damaged  If  the Memory SIMM is correctly installed not broken or damaged then  run the  Flash Test  on page 3 3  If the test fails  replace the FLASH  SIMM  If the problem continues  replace the controller board     DRAM Memory Option s     This service check is the same as the flash memory option service  check with the following exception     Run the    DRAM Memory Test  on page 3 10 from the menu if the  DRAM Memory SIMM is correctly installed and not broken or  damaged  If the test fails  replace the DRAM SIMM  If the problem  continues  replace the controller board     Diagnostic Information 2 76    4059 XXX  Hard Disk Option    Service Tip  The Optra S printers support one hard disk option   Check to make sure only 
41.  LCD Test    To run the LCD Test     1     Select LCD Test from the Diagnostic menu       The LCD test continually executes the LCD display test     2  Press Return Stop to cancel the test     Button Test    To run the Button Test     1     Select Button Test from the Diagnostic menu         With no buttons pressed several OP  Open  appear on the  display       Press each button one at a time and a CL  Closed  displays in    place of an OP  The proper operation of each button can be  checked       Press Return Stop to cancel the test     3 9 4059 Service Manual    4059 XXX  DRAM Memory Test    The purpose of this test is to check the validity of DRAM  both  standard and optional  The test writes patterns of data to DRAM to  verify that each bit in memory can be set and read correctly     To run the DRAM Memory Test     1  Select DRAM Memory Test from the menu       The power indicator blinks indicating the test is in progress   2  Press Return Stop to exit the test     P        represents the number of times the memory test has  passed and finished successfully  Initially 000000 displays with the  maximum pass count being 999 999     F       represents the of time the memory test has failed and  finished with errors  Initially 00000 displays with the maximum fail  count being 99 999     Once the maximum pass count or fail count is reached  the test is  stopped  the power indicator is turned on solid  and the final results  display  If the test fails  the message DRAM Error  d
42.  Laser    Der Drucker erf  llt gem     amtlicher Best  tigung der USA die  Anforderungen der Bestimmung DHHS  Department of Health and  Human Services  21 CFR Teil J f  r Laserprodukte der Klasse    1    In anderen L  ndern gilt der Drucker als Laserprodukt der Klasse      der die Anforderungen der IEC  International Electrotechnical  Commission  825 gemaB amtlicher Best  tigung erf  llt     Laserprodukte der Klasse   gelten als unsch  dlich  Im Inneren des  Druckers befindet sich ein Laser der Klasse 1116  3b   bei dem es  sich um einen Galliumarsenlaser mit 5 Milliwatt handelt  der Wellen  der Lange 770 795 Nanometer ausstrahlt  Das Lasersystem und der  Drucker sind so konzipiert  daB im Normalbetrieb  bei der Wartung  durch den Benutzer oder bei ordnungsgem  Ber Wartung durch den  Kundendienst Laserbestrahlung  die die Klasse     bersteigen w  rde   Menschen keinesfalls erreicht        Avis relatif    l utilisation de laser    Pour les Etats Unis   cette imprimante est certifi  e conforme aux  provisions DHHS 21 CFR alin  a J concernant les produits laser de  Classe    1   Pour les autres pays   cette imprimante r  pond aux  normes IEC 825 relatives aux produits laser de Classe l     Xi 4059 Service Manual    4059 XXX    Les produits laser de Classe   sont consid  r  s comme des produits  non dangereux  Cette imprimante est   quip  e d un laser de Classe        3b   ars  niure de gallium d une puissance nominale de 5  milliwatts    mettant sur des longueurs d onde comprise
43.  Return Stop to exit test     Input Tray Sensor Test    This test is used to determine if the input tray sensors are working  correctly     To run the Input Tray Sensor Test     1     Select the Sensor Test from the Input Tray Test menu        Input Tray Empty OP Pass OP  message displays       EM   Input Tray Empty Sensor       LO   Input Tray Paper Low Sensor            Input Tray Pass Thru Sensor    2  Once this message displays  the servicer can manually actuate    each sensor  The tray empty sensor can be actuated by hand   however a sheet of paper can be used to cover the pass  through sensor  When the sensor is closed  CL displays  when  the sensor is open  OP displays     3  Press Return Stop to exit the test     Diagnostic Aids 3 14    4059 XXX    The multipurpose tray and the envelope feeder do not have a paper  low sensor  The multipurpose tray does not have a pass thru sensor     Output Bin Test   Standard Bin    This test is used to verify if the standard bin sensor is working  correctly     To run the Standard Bin Sensor Test     1  Select Output Bin Tests from the Diagnostic Menu   2  Select Output Bin Tests   Sensor Tests   3  Select Sensor Tests   Standard Bin         Standard Bin Full CL    message displays     Manually actuate the bin sensor by moving the flag in and out of the  sensor  The display indicates OP  open  when the flag is out of the  sensor and CL  closed  when the flag is in the sensor     4  Press Return Stop to exit the test   Output Bin Fee
44.  Service Check  on page 2 73        FRU Action       1  Alignment Assembly Check to ensure the alignment  assembly is correctly attached to the  left side frame and the mounting  screws are tight  Check the  alignment assembly for any signs of  worn rollers  contaminated rollers or  binds  Replace the alignment  assembly if any problem is found        2   Inner Deflector Check the inner paper deflector for  correct installation  If the deflector is  bowed or not fitting correctly  replace  the deflector              Diagnostic Information 2 86    4059 XXX    Autocompensator fails to feed paper  Failures occur randomly    throughout the stack of paper        FRU    Action       1   Pass Through Sensor    Check the pass through sensor for  correct installation and operation        2   Autocompensator  Assembly    The autocompensator pick roll shaft  assembly is not providing enough  torque if the pick rollers are not  picking the paper correctly  Replace  the autocompensator assembly        3   Wear Strips in Tray X  problem is found              Check the wear strips for excessive  wear  scratches or rough spots   Replace the wear strips if a problem  is found        Paper feed failures occur only near the top of the stack of paper     The most common cause of this problem is paper curl  Remove the    paper from tray x and check for the natural curvature in the paper     Reinstall the paper in the correct manner  If the problem persists  it    may be necessary to reduce the st
45.  V dc       0 V dc          CO  Jl      oO  A                   24 V dc          5 21 4059 Service Manual                                                                            4059 XXX  Output Expander Control Board   Level 1 Stepper Motor       Connector Pin No  Signal       J1A Autoconnect 1  24 V dc       Ground       wo  N     5 V dc       J1B     e    Prtxdin       Ground       prtrxd  Ground       oa  AJOJN                       J2A Autoconnect  24 V dc       Ground       Co   N     5 V dc       J2B           prtxdout  Ground       prtrxd         wo  N    Ground        i    J3 Pass Thru Sensor Ground       Paper Present    wo  N    RVsnsr              J4 Stepper Motor Phase B        Phase B        Phase A                       Phase A                    Connector Locations 5 22    4059 XXX                         Connector Pin No  Signal  J5 Bin Full Sensor 1 Ground  Single Sensor e Et  2 N C  3  5 V dc  4 N C  5 RVsnsr       IW    nana                 5 23 4059 Service Manual                                  4059 XXX  Output Expander Control Board   Level 2 DC Motor                                                    Connector Pin No  Signal  J1A Autoconnect 1  24 V dc  2 Ground  3  5 V de  J1B 1 Prtxdin  2 Ground  3 prtrxd  4 Ground  5 N C  J2A Autoconnect 1  24 V dc  2 Ground  3  5 V dc  J2B 1 prtxdout  2 Ground  3 prtrxd  4 Ground  J3 Pass Thru Sensor 1 Ground  2 Paper Present  3 RVsnsr                   Connector Locations 5 24    4059 XXX    Connector Pin No  
46.  are  possible while this  message is displayed        Formatting Flash   Do Not Power Off     The flash memory is  being formatted     No button actions are  possible while this  message is displayed        Program Flash   Do Not Power Off     The flash memory is  being programmed   which means fonts or  macros are being written  to flash memory     Do not perform any  button actions while  this message is  displayed        Formatting Disk          The disk is being  formatted        No button actions are  possible while this  message is displayed        Diagnostic Information 2 14       4059 XXX    User Status Message    Status    Action       Programming Disk   Do Not Power Off     The disk is being  programmed  which  means fonts or macros    are being written to disk     No button actions are  possible while this  message is displayed     Note  If information is  written to flash  memory and to disk at  the same time  the  Program Flash  message is displayed        Menus Disabled    Activating Menu  Changes          The printer menus have  been disabled  This  occurs when Menu   or   lt Menu is pressed while  the printer is Ready and  Menu Lockout is active   The printer display  shows this message for  one second and then  returns to the Ready  message     The printer is reset to  activate a printer setting  changed in the menus        No button actions are  possible while this  message is displayed     No button actions are  possible while this  message is displayed   
47.  before servicing the  printer for a dead machine condition  Observe all necessary ESD  precautions when removing and handling the controller board   engine board or any of the installed option cards or assemblies     Service Tip  When removing the LVPS from the printer observe the    following     1  The LVPS uses a self docking connector that mates with  another connector mounted on the left side frame assembly   Some force may be required to pull the LVPS loose from the    connector     2  Gently remove the LVPS supply using caution not to damage  the printed circuit board  Pull the LVPS out far enough to reach    the fuser lamp cable     3  The fuser lamp cable uses a locking type of connector system   Unlock the fuser lamp cable connector  disconnect the cable  and remove the LVPS from the printer        FRU    Action       1   Line Voltage    Check the AC line voltage  If the line  voltage is incorrect  inform the  customer        2        Line Cord    Check the line cord for any signs of  damage  If correct  check the  continuity of the line cord and  replace if necessary        3    5 Vdc at any Option  Connector    Check for  5 V dc on any of the  option connectors  The easiest to  access is the envelope feeder  connector located behind the lower  front door  If  5 V dc is present at  any of the connectors  go to step 9  If   5 V dc is not present  go to step 4        4     5V dc at the controller  board test point          Check for  5 V dc at the  5 V dc test  pad 
48.  boards from the connector board slots   Remove the inner EMC shield mounting screws  A    Remove the inner EMC shield          Ne       4 35 4059 Service Manual    4059 XXX  Inner Paper Deflector Assembly    ar WD        Remove the paper tray      Remove the upper deflector assembly     Place the printer on its side      Remove the lower deflector assembly       Gently pry the inner paper deflector from the left and right  mounting posts  A  located on the bottom of the printer and  remove the deflector        Repair Information 4 36    4059 XXX  Integrated Tray Compensator Assembly                               Remove the paper tray      Remove the left door      Remove the inner EMC shield      Disconnect the compensator motor cable from the engine board    at connector J18       Place the printer on its side     Locate the integrated tray compensator assembly  E  on the    bottom of the printer and disconnect the compensator arm bias  spring  A  from the frame       Disconnect the compensator sensor cable  B  from the    assembly       Remove the compensator assembly mounting screw  C      Remove the integrated tray compensator assembly      203  B       4 37 4059 Service Manual    4059 XXX  Integrated Tray Compensator Pick Roll Assembly    1  Remove the paper tray    2  Place the printer on its side    3  Locate the compensator assembly on the bottom of the printer  and pull the compensator arm away from the printer     4  Unsnap the pick roll assembly  D  from its mount
49.  frame for damage  PC  drum contact wear or contamination   If the contact is bent or damaged   replace the contact     Note  Inspect the HVPS PC drum  contact on the board for any signs of  damage or contamination        3  HVPS    Check the fuse on the HVPS  If  open  replace the HVPS  Check the  voltages at J10 on the engine board   Measure the following voltages from  connector J10 to printer ground     Printer Idle  J10 5 measures  24 V dc    Printer Printing  J10 5 measures  24 V dc    In the voltages at J10 5 are  incorrect  replace the engine board        4  Front Cable Harness  HVPS Section    Check the front cable harness at J10  on the engine board and at CN1 on  the HVPS to make sure the harness  is connected properly  If connected  properly  check the continuity of the  cable harness  If there is no  continuity  replace the front cable  harness        5  Printhead Assembly             Generally a 93x service error is  posted if the printhead assembly  fails and the printer does not give a  blank copy symptom     The printhead used in the printer  does not have a mechanical shutter  as previous laser printers  The  printer is interlocked through the  front top cover interlock switch        2 93 4059 Service Manual       4059 XXX  Print Quality   Random Marks    Service Tip  The primary cause of random marks is due to loose  material moving around inside the printer and attaching to the  photoconductor  charge roll or transfer roll        Symptom Action        s   
50.  fuser assembly   2  Note the thermistor cable routing and disconnect the cable from  the fuser board     3  Disconnect the thermal fuse cable from the left and right lamp  brackets  A     4  Loosen the left and right lamp bracket mounting screws  B  and  remove the thermal fuse cable from the bracket    5  Remove the left and right fuser cover mounting screws  C  and  lift the cover from the fuser assembly     A C  202           B  202     Repair Information 4 28    4059 XXX  Fuser Detack Fingers    Remove the fuser assembly   Remove the fuser cover assembly   Remove the fuser detack housing assembly     Gently pry the detack finger and spring  A  from the housing  assembly     co uoce    Fuser Detack Housing Assembly    Remove the fuser assembly   Remove the fuser cover assembly   Remove the fuser lamp     Gently apply outward pressure on the left and right fuser side  frames  B  to release the detack housing assembly      gt                  4 29 4059 Service Manual    4059 XXX  Fuser Transfer Plate    1  Remove the upper paper deflector    2  Remove the fuser transfer roll    3    4  Lift the left side of the fuser transfer plate  A  and move the plate    Remove the inner paper deflector     to the left to clear the right side from its mounting       Remove the fuser transfer plate     A       Repair Information 4 30    4059 XXX  Fuser Envelope Conditioner Solenoid    The fuser solenoid is in all the models except 1250 and 1255     Remove the fuser assembly    Remove the 
51.  incorrect or a  short is found  replace the motor   mechanical linkage assembly   Note  If the DC motor is shorted  it  may also be necessary to replace  the control board        2   Output Expander Control  Board  Level 2              Disconnect the motor cable J4  and check the voltages at J4 on  the board  Go to  Output  Expander Control Board   Level 2  DC Motor  on page 5 24     Note  Use caution not to short to  adjacent pins on the connector     J4 1  Motor Idle   24 V dc  J4 2  Motor Idle   24 V dc  J4 5  Motor Idle   5 V dc  J4 6  Motor Idle   5 V dc    If any of the voltages are incorrect   replace the control board  If the  voltages are correct  replace the  DC motor mechanical linkage  assembly        2 85 4059 Service Manual       4059 XXX  No indication that Bin X is Full OR No indication that Bin X is Near  Full    Note  The NF or Near Full sensor will only be displayed on models  that support an Output Expander that has a Dual Sensor installed           FRU Action   1   Dual Output Bin X Sensor Check for correct installation of  Assembly the sensor cable at J5 on the  Control Board control board  If either the Bin Full     F  or Bin Near Full  NF  fail the  sensor test then check the voltage  at J5 3 and J5 4  The voltage  measures approximately  5 V dc   If the voltage is incorrect  replace  the control board  If correct   replace the sensor assembly                    Paper Feed Service Check    If you have a 936 Transport Motor Error go to the  Main Drive 
52.  installation and that the jam removal  tray actuates the switch  Check to  make sure the switch cable is  connected to J7 on the system  board  If no problem is found  check  the continuity between J7 1 and J7 2  on the cable connector while  actuating the front cover switch  If  there is no continuity  replace the  front cover switch assembly  If there  is continuity  replace the duplex  option system board        Diagnostic Information 2 38    4059 XXX    Envelope Feeder Option Service Check    Service Tip  Check the envelope feeder paper path for any debris     pieces of envelope and so on  If any other options are installed make  sure they are operating normally  If only the envelope feeder is failing  to operate correctly  continue with this service check  otherwise go to    the Interconnect Card Service Check     Service Tip  The envelope feeder option receives its  5 V dc    operating voltage from the  24 V dc bulk at J1 7  If  24 V dc is not    present at J1 7  tray 1 is the only tray option that is recognized     Note  If a260 Paper Jam Check Envelope message displays  check  the    Sub Error Codes For 9XX and 2XX Error Codes    on page 2 7     Printer does not recognize the envelope feeder as an attached    input option        FRU    Action       1   Envelope Feeder    Check to make sure the envelope  feeder is correctly installed and  mated to the autoconnect at the front  of the printer        2   Front Autoconnect on  Printer             Check the connector for 
53.  ln ln on    14 25  99A0801  14 26  99A0256  14 27  99A0128  14 28  99A0254  14 29  99A0257             n ln ln    Cable  Auto Connect Top  1650 1855 2420 2450 2455 3455                   Parts Catalog 7 43    4059 XXX  Assembly 14  Electronics  continued                 7 44 4059 Service Manual    4059 XXX    Asm     Part                   Index Number Description   14 30 99A0049 Fan  Auxiliary 2450 2455 3455   14 31 99A0466 Sensor  Toner Cartridge Level   14 32 99A0296 Switch  Cover Open w Operator Panel  Cable Assembly   14 33 99A0001 Operator Panel Assembly   14 34 99A0576 Cable  Front Harness   14 34A   99  0815 Contacts  Smart Cartridge   14 34B   99A0814 Cable  Smart Cartridge 3455    Parts Catalog 7 45    4059 XXX  Assembly 14  Electronics  continued     1  A     4     1  D  1  D  Li                7 46 4059 Service Manual    4059 XXX                   a EDS Units   Description   14 35   99A0065 1 Printhead Assembly   1620 1625 1650 1250 1255   14 35  99A0398 1 Printhead Assembly  1855 1855   01   14 35   99  0066 1 Printhead Assembly  2420 2450 2455   14 35   99A0829 1 Printhead Assembly  3455   14 36   99A0247 1 Cable  Hysnc   14 37   99A0251 1 Cable  Laser   14 37  99A0889 1 Cable  Laser 3455   14 37   99A0888 1 Cable  Laser 1855 1855 C01   14 38   99A0249 1 Cable  Envelope Conditioner  1620 1625 1650 1855 2420 2450 2455   14 39   99A0173 1 Solenoid Assembly  Envelope Conditioner  1620 1625 1650 1855 2420 2450 2455 3455   14 40   99A0170 1 Board Assembly  Fuser w o
54.  output bin X  X 1 thru 3    Open the rear door of Output Bin X to access the  jammed pages        Insert Cartridge or Close  Door          This message displays when the printer   s front  door is open or the print cartridge is missing    If this message cannot be cleared go to    Cover  Open Service Check              Diagnostic Information 2 16    4059 XXX    User Error Message    Explanation       31 Defective Print  Cartridge    Error code 31 is displayed when the top front  cover is closed and a defective print cartridge is  detected  It may take the printer 10 20 seconds to  determine if the print cartridge is defective   Depending on the setting of the Machine Class ID  the printer may be allowed to print pages during  this 10 20 second interval  If pages are allowed to  print  they are not reprinted once a good print  cartridge is inserted     Note  This error indicates the printer was able to  read the cartridge ID  but the ID did not pass the  verification test  To pass the verification test  the  ID read from the print cartridge must match the ID  from the last    good    print cartridge or the same ID  must be read from the print cartridge twice  The  last    good    print cartridge ID is stored in NVRAM        32 Unsupported Print  Cartridge    Error 32 is displayed when the top cover is closed  and an unsupported print cartridge is detected  It  may take the printer 10 20 seconds to determine  if the print cartridge is supported  Depending on  the setting of th
55.  personnel  Install machine covers when you are not  working on the machine  and do not put unprotected ESD   sensitive parts on a table       f possible  keep all ESD sensitive parts in a grounded metal  cabinet  case       Be extra careful in working with ESD sensitive parts when cold   weather heating is used because low humidity increases static  electricity     4 1 4059 Service Manual    4059 XXX       Adjustment Procedures    Duplex Motor Drive Belts    Do the duplex motor belt and drive belt adjustment whenever you  remove or replace the duplex motor or loosen the motor or drive belt  idler pulley     Service Tip  Excessive belt tension can result in stalling the duplex  motor  Too little belt tension can result in belt slippage     To do the duplex drive belt adjustment     1     2     3     4     Do the removal procedure    Duplex Front Cover Door    on   page 4 21 to access the drive belt idler pulley    Loosen the idler pulley mounting screw and position the idler to  provide 3 mm    5 mm  drive belt deflection    Tighten the idler pulley mounting screw being careful to  maintain the adjustment    Reassemble the duplex unit     To do the duplex motor belt adjustment     1     2     Do the removal procedure  Duplex Motor  on page 4 22 to  access the motor mounting screws but do not remove the motor   Loosen the screw in the elongated adjustment slot and position  the motor to provide 3 mm    5 mm  motor belt deflection       Tighten both mounting screws being carefu
56.  printer  indicator light blinks  while the printer is  processing data     Press Stop to take the  printer out of Busy   The Not Ready  message is displayed   No more data is  processed  but the  printer processes all  paper currently in the  printer paper path   Press Go to return to  Ready        Flushing Buffer          The printer is flushing  corrupted print data and  the current print job is  being discarded        No button actions are  possible while this  message is displayed        Diagnostic Information 2 12       4059 XXX    User Status Message    Status    Action       Printing Menu Settings    The printer is processing  or printing a list of  current settings menus  because Print Menu  Settings is selected from  the menu     Press Stop to take the  printer out of Ready   The Not Ready  message is displayed   No more data is  processed  but the  printer processes all  paper currently in the  printer paper path   Press Go to return to  Ready after the page  prints  Press Menu gt   or  lt Menu to take the  printer out of Ready  and enter the TESTS  MENU  Busy State    Press Select for the  values  Press Menu gt   until Reset Printer is  on the second line of  the display  Press  Select to reset the  printer        Printing Directory List          A directory of the flash  and disk contents is  processing or printing  because Print Directory  is selected from the  menu        Press Stop to take the  printer out of Ready   The Not Ready  message is displayed   No mo
57.  replace the high capacity  feeder option control board        2  High Capacity Feeder Disconnect the lower limit switch   Control Board cable and check the voltage at J2 1   orange   The voltage measures  approximately  5 V dc  If incorrect   replace the high capacity feeder  option control board              The elevator tray down button does not operate  The tray moves to  the upper position     Service Tip  Open the high capacity feeder option front door and  check the black rubber bumper attached to the door switch spring   Be sure the rubber button is centered and not touching the sides of  the hole or the switch will not function properly           FRU Action   1   Lower Limit Switch Check the lower limit switch to make  Lower Limit Switch Cable sure it is not closed  normally open    High Capacity Feeder If incorrect  replace the switch   Control Board Check the lower limit switch cable for    a short between pins 1 and 2  If  incorrect  replace the cable  If  correct  replace the high capacity  feeder option control board              Diagnostic Information 2 66    4059 XXX  Paper from the high capacity feeder input tray does not reach the  pass thru sensor     Service Tip  Check to be sure the paper in tray is within  specifications        FRU Action       1   Autocompensator Check the autocompensator pick  Assembly arm rollers for sign of glazing  toner  or other buildup  Replace as  necessary        2   Wear Strips Check the wear strips for glazing or   contaminat
58.  smart  cartridge contacts in the upper front cover and the smart chip  Also  check for proper seating of the smart cartridge cable to the engine  board           FRU Action   1   Smart Cartridge Contact Check both contacts to make sure  Smart Cartridge Ground they are properly installed and the  Contact two contacts are not touching each    other  Check both contacts for any  signs of being bent  worn or broken   If incorrect replace both contacts        2  Smart Cartridge Cover Check to make sure that the smart  cartridge cover is properly snapped  into place and is not damaged or  broken  Replace as necessary        3   Smart Cartridge Plunger Check the plunger for correct  installation and any signs of being  damaged or broken  Correct any  problem found or replace the plunger  as necessary        4  Smart Cartridge Cable Check the voltage on the smart  Engine Board cartridge contact  The voltage  measures approximately  5 V dc  when not writing data to the engine  board  If data is being written  the  voltage measures approximately   12 V dc  If incorrect  disconnect the  cable from J21 on the engine board  and check the voltage on J21 1  The  voltage measures approximately    5 V dc  If incorrect  replace the  engine board  If correct  replace the  smart cartridge cable                    2 103 4059 Service Manual    4059 XXX  Serial Port Service Check    To    Run the    Serial Wrap Test    on page 3 12     Note  The Serial Wrap Test is designed to check the serial por
59.  thru sensor  Remove any  jammed sheets of paper from the  printer and check the pass thru  sensor and flag for proper operation  by running the appropriate Tray  Sensor Test from the diagnostics  menu  If the test fails  check the  sensor for correct installation and the  flag for proper operation  Also check  the sensor cable to make sure it is  correctly connected to the option  system board  If incorrect  replace  the tray x option pass thru sensor       assembly   2  Power Takeoff Shaft and Check these parts for signs of  Spring  Bevel Gear  broken or damaged parts   Feedroll Gear  Drive Roll contamination on the drive rollers or  Assembly  Wear Plate  wear plate and wear or damage to  Drive Shaft Bearings and the drive shaft bearings  Check the  Skewed Backup Roller drive roll assembly and skewed    backup roller for signs of wear  slick  spots  material buildup  and oil or  grease on the rollers  Also check for  proper operation of the paper  aligning assembly  Repair or replace  parts as necessary              Diagnostic Information 2 64    4059 XXX    Tray X Paper Low Message displays when Tray X is full or has    adequate Paper in the tray        FRU    Action       1   Paper Low Switch  Paper Low Switch Cable    System Board          High Capacity Feeder Input       Run the sensor diagnostics for tray X   X the number that represents the  high capacity input tray   If the test  fails  disconnect the paper low switch  cable from J3 on the high capacity  system board
60.  voltage  measures approximately  24 V dc        Main Fan Service Check    Check the cable connections at J1 on the engine board and at the    main fan assembly  The main fan runs continuously when the printer    is powered on unless the printer is in the Power Saver mode        FRU    Action       1 Main Fan    Manually spin the fan and check that  it rotates freely  Check the cable  connection to the engine board  J1  for correct installation        2   Main Fan to Engine Board  Cable             Check the continuity of the cable  If  incorrect  replace the cable        2 47 4059 Service Manual          4059 XXX       FRU Action       Error Code 927  Fan runs  Check the voltage at J1 1 on the  engine board  The voltage measures   5 V dc  static  0 V dc  fan running    If incorrect  replace the main fan  If  this does not fix the problem  replace  the engine board           Error Code 927 Check the voltage at J1 3 on the   Fan not running  engine board  The voltages are as  follows      22 V dc to  24 V dc   printer and fan running      12 V dc to  15 V dc   printer not running   fan running  about half speed      If incorrect  replace the engine  board  If this does not fix the  problem  replace the main fan           Fuser Service Check    Cold Fuser Service Check    Error codes 920  921  and 922 may display for a cold fuser failure  A  920 error caused by low line voltage can sometimes be cleared by  turning the machine off and then on again  A 925 service error  indicate
61. 0 1650 2420 2450   17 47   99A0397 1 Board  Tray  Top   1255 1625 1855 2455 3455   17 48 3 Screw  Board Mounting PP 99A0263   17 49   99A0460 2 Nut  Dual 500 Mounting   NS 99A0429 1 Label  Options Circle 1255 1625 1855 2455       Parts Catalog 7 59       4059 XXX  Assembly 18  Duplex       7 60 4059 Service Manual    4059 XXX                          Ae Units   Description   18 1 99A0344 1 Cover  System Board   18 2 99A0322 1 Main Frame Assembly   18 3 99A0324 1 Idler Assembly  Belt Tension   18 4 99A0326 4 Spring  Aligner   18 5 99A0323 4 Guide Assembly  Paper   18 6 99A0314 2 Spring  Chassis Ground   18 7 2 Screw  Motor Mount 3 mm PP 99A0413   18 8 99A0328 1 Belt  Motor 114 Gear   18 9 99A0329 1 Pulley  Main Drive 96 54 Gear   18 10   99A0321 1 Motor Assembly   18 11   99A0320 1 Cable  D C  Motor Tach   18 12 1 Cam Follower Assembly Kit PP 99A0299   18 13   99A0312 1 Actuator Assembly  Deflector   18 14 2 Screw  Actuator Assembly Mounting  PP 9940413   18 15   99A0339 1 Guide  Return RH Upper   18 16 2 Screw  Upper Return Guide Mounting  PP 99A0413   18 17   99A0340 1 Guide  Return RH Lower   18 18   99A0345 1 Tray Assembly  Jam Removal   18 19   99A0261 1 Switch Assembly  Front Cover   NS 99A0432 1 Roll  Debuckle   NS 99A0428 1 Shaft  Debuckle   NS 2 Retainer 6 mm   Backup Roll PP 99A0404   NS 2 Screw  M3x6L G Supradrive PP 99A0413          Parts Catalog 7 61    4059 XXX  Assembly 18  Duplex  continued           7 62 4059 Service Manual    4059 XXX                   ie ELS
62. 0 1855 2420 2450 2455 3455   19 7 99A0571 1 Cover  Front Control Board with ESD Brush   19 8 99A0483 1 Tray  Output Expander   19 9 99A0924 1 Spring  Diverter   19 10   99A0925 1 Diverter  Actuator Arm   19 11   99  0482 1 Spring  Output Tray   19 12   99A0366 2 Bracket  Attach   19 13   99A0480 1 Output Expander Assembly  Mechanical  Linkage Level 1  1650 1855 2420 2450 2455   19 13   99A0914 1 Output Expander Assembly  Mechanical  Linkage Level 2 1855 2455 3455   19 14   99A0372 1 Cover  Left Side   19 15   99A0415 2 Spring  Diverter   19 16   99A0416 1 Spring  Sector Bias   19 17   99A0481 1 Latch  Output Tray   19 18 2 Shaft Bearing PP 99A0572   19 19   99A0350 1 Sensor  Bin Full Level 1 1650 2420 2450   19 19   99A0414 1 Sensor  Dual Bin Full Level 2 1855 2455 3455   19 20   99A0378 1 Flag Kit  Output Paper Level          Parts Catalog 7 67    4059 XXX  Assembly 19  Output Expander  continued                    7 68 4059 Service Manual    4059 XXX                   Asm    Part           Index   Number Units   Description   19 21   99A0062 1 Level Sensor Bracket Level 1 1650 2420 2450   19 21   99A0409 1 Level Sensor Bracket Level 2 1855 2455 3455   19 22   99A0914 1 Output Expander Assembly  Mechanical  Linkage   19 22   99A0374 1 Door Assembly  Rear Access   19 23   99A0368 1 Shaft Assembly  Lower  Also order PP 99A0572   19 24   99A0363 3 Pulley  Drive   19 25   99A0371 1 Cover  Right Side   19 26   99A0361 1 Belt  160 Gear   19 27   99A0362 1 Arm Assembly  Belt Idler 
63. 0 99A0447    Sensor  Option Pass Thru  Restraint  Side 500 Sheet Tray  Wear Strips   Indicator Assembly  Paper Size  Label  Tray Number  2 5    Clip  500 Tray Wear   Finger  Autosize   Plate  Snap In   Slider  Autosize 500   Restraint Pad   Tray  500 Sheet   Restraint  Back 500 Sheet Tray  Latch  Back Restraint   Cable Assembly Dual Tray Auto Connect  Wear Plate  Pass Thru 500 Tray  Screw  Wear Plate Mounting PP 99A0263  Roll Assembly  Drive 500 Dual  Retainer  Roller   Roller  Skewed Backup  Bearing  Drive Roll   Shaft  500 Drive                         P A Ah M   A vx        Parts Catalog 7 57    4059 XXX  Assembly 17  500 500 Dual Tray  continued              7 58 4059 Service Manual    4059 XXX                   e EDS  Units   Description   17 31   99A0275 1 Spring  Power Takeoff   17 32   99A0280 1 Bearing  Drive Shaft Low   17 33   99A0446 1 Aligner Assembly  Paper   17 34 1 Retainer  Aligner Assembly PP 99A0267   17 35   99A0300 1 Board  Tray  Bottom    17 36   99A0898 1 Cable  500 Tray Board to Board Power   17 37   99A0274 1 Gear  Feed Roll   17 38   99A0286 1 Spring  Backup Roller   17 39   99A0472 1 Cable Assembly  500 500 Dual   17 40   99A0278 1 Bellcrank  Roller Release   17 41   99  0273 1 Gear  Bevel   17 42   99A0063 1 Spring  Switch Activate   17 43   99A0279 1 Bearing  Drive Shaft   17 44   99A0281 1 Cable  500 Auto Connect Top   17 45   99A0444 1 Stud Assembly  500 Frame   17 46   99A0443 1 Arm  Paper Out 500   17 47   99A0284 1 Board  Tray  Top   1250 162
64. 0058 4 Pad  Machine Mounting  2 11 99A0558 1 Transfer Plate Assembly  2 11 99A0828 1 Transfer Plate Assembly 3455  2 12 99A0904 1 Plate Assembly  Stacker Ground  2450 2455 3455  2 12 99A0561 1 Support  Right Stacker  1250 1255 1620 1650 2420 1855 1625  2 13 99A0111 1 Right Sideframe  2 14 99A0043 1 Track  Cartridge Guide RH  2 15 99A0049 1 Fan  Auxiliary 2420 2450 3455  2 16 1 Contact Kit PP 99A0585  3    Contact  Doctor Blade TAR Developer Roll  1 o Contact  PC Drum  1 o Contact  Charge Roll  4    Block  Contact Mounting  5    Screw  Contact Mounting  2 16A   99A0805 1 Contact  Charge Brush 3455  2 17 99A0466 1 Sensor  Toner Cartridge Level  2 18 99A0026 1 Tray Bias Arm Assembly  2 19 99A0028 1 Spring  Tray Bias  2 20 99A0038 1 Pan  Center Assembly       Parts Catalog 7 7       4059 XXX  Assembly 2  Frame  continued        7 8 4059 Service Manual    4059 XXX       Asm    Part  Index   Number    Units   Description       2 21 99A0056  2 22 99A0055  2 23 99A0042  2 24   99A0053  2 25 99A0063  2 26 99A0046    Deflector  Upper PF  Deflector  Inner   Frame  EP Module  Sensor  Input   Spring  PA Out Activate    Cover  Gap  1620 1625 1650 1855 2420 2450 2455    Cover  Gap 3455   Shield  ESD Assembly with label  Left Side Frame   Board  Input Tray  ITC    Frame Extension 1650 2420 1855  Frame Extension 2450 2455 3455  Pan  Motor Drip   Track  Cartridge Guide LH   Link  Gear Release      ee ln lon    2 26 99A0804  2 27 99A0549  2 28 99A0029  2 29 99A0128  2 30 99A0189  2 30 99A0037  
65. 1  Disconnect the paper size sensing board cable from the board     2  Remove the two paper size sensing board mounting screws  A    3  Remove the paper size sensing board        Pick Roll    1  Remove the upper paper deflector     2  Release the pick roll retaining tab and slide the pick roll off the  shaft     Repair Information 4 54    4059 XXX  Printhead    1  Remove the laser assembly cover   2  Disconnect the printhead cables  A  from the printhead  assembly   3  Remove the three printhead mounting screws  B  and remove  the printhead   Note  Do the    Printhead Assembly Adjustment    on page 4 4  whenever you remove or replace the printhead assembly or loosen  the mounting screws     B  425        4 55 4059 Service Manual    4059 XXX  Redrive Assembly    1  Open the redrive door assembly  remove the restraint strap  mounting screw and remove the door assembly    2  Remove the redrive exit cover      Remove the two redrive assembly mounting screws  A      4  Release the two redrive assembly mounting latches  B  and  remove the redrive assembly                    202     Repair Information 4 56    4059 XXX  Right Side Frame      Remove the right side cover      Remove the LVPS      Remove the multipurpose tray assembly      Remove the auxiliary fan assembly      Disconnect the auto compensator arm bias spring from the right  side frame    6  Remove the toner sensor mounting screw  A   disconnect the   sensor cable and remove the toner sensor   7  Remove the right side fr
66. 16 1 Tray Assembly  Drive Roller  22 12   99  0125 1 Frame Assembly  Right Side  22 13   99A0232 1 Cover  Right   22 14   99A0217 2 Belt  160G   22 15   99A0226 1 Guide  Paper Exit   22 16   99A0122 2 Shaft Assembly  Drive Roller  22 17   99A0137 1 Frame Assembly  Left Side  22 18   99A0088 1 Cover  Backup Tray   22 19   99A0085 1 Tray  Backup Roller       Parts Catalog 7 85       4059 XXX  Assembly 23  Kiosk   Horizontal Paper Adapter       7 86 4059 Service Manual    4059 XXX                          EDS Units   Description   23 1 99A0231 1 Bail  Support   23 2 99A0112 1 Mounting  Frame Assembly  23 3 99A0197 1 Shaft  Drive Rear   23 4 12 Retainer PP 99A0240   23 5 99A0209 1 Arm Assembly  Pivot   23 6 15 Screws PP 99A0234   23 7 7 Parts  Pulley PP 99A0208  23 7B 3 Gear  Idler PP 99A0237  23 8 99A0079 1 Tray Assembly  Backup Roller  23 9 99A0087 6 Spring  Backup Roller   23 10   99A0086 6 Roller  Backup   23 11   99A0905 1 Tray Assembly  Drive Roller  23 12   99A0907 1 Frame Assembly  Right Side  23 13   99A0232 1 Cover  Right   23 14   99A0217 2 Belt  160G   23 15   99  0122 2 Shaft Assembly  Drive Roller  23 16   99A0906 1 Frame Assembly  Left Side  23 17   99A0088 1 Cover  Backup Tray   23 18   99A0085 1 Tray  Backup Roller       Parts Catalog 7 87       4059 XXX    Assembly 24  Options                   ena LN Units   Description   24 1328589 1 2MB DRAM SIMM   24 99A0517 1 4MB DRAM SIMM   24 99A0518 1 8MB DRAM SIMM   24 99A0519 1 16MB DRAM SIMM   24 99A0520 1 32MB DRAM S
67. 2 31 99A0899  2 32 99A0044  2 33 99A0567  2 34   99A0555  2 35 99A0556  NS  2 36 99A0030  2 36 99A0803  2 37   99A0377    Bracket  Counterbalance Hinge Spring  Spring  Counterbalance  7 Screw PP 99A0263  Fan  Main  Fan  Main 3455    Flag Kit  Standard Bin Level  1650 1855 2420    Flag Kit  Standard Bin Level 2450 2455 3455  Flag  Standard Bin Level 1855   01   Flap  250 Paper Output Bin 1855 C01  Bracket  Level Sensor 1650 2420 2450 3455    Sensor  Standard Bin Level  1620 1625 1650 1855 2420 2450 2455 3455          cl cl   sch lll         2 37   99A0378  2 37   99A0794  NS 99A0499  2 38 99A0062  2 39 99A0138         n ln ln                   Parts Catalog 7 9    4059 XXX  Assembly 3  Printhead       7 10 4059 Service Manual    4059 XXX                   ae Ae Units   Description   3 1 99A0065 1 Printhead Assembly   1620 1625 1650 1250 1255   3 1 99A0398 1 Printhead Assembly  1855   3 1 99A0066 1 Printhead Assembly  2420 2450 2455   3 1 99A0829 1 Printhead Assembly  3455   NS 3 Screw  Printhead Mounting PP 99A0263       Parts Catalog 7 11       4059 XXX  Assembly 4  Paper Feed  Autocompensator        7 12 4059 Service Manual    4059 XXX                          dm Units   Description   4 1 99A0060 1 Sensor  Paper Out Internal Tray  4 2 99A0067 1 Pick Arm Assembly  250    4 3 99A0070 2 Pick Rolls   NS 1 Screw  Hanger PP 99A0263          Parts Catalog 7 13    4059 XXX  Assembly 5  Paper Feed   Multipurpose Unit       7 14 4059 Service Manual                       Part   42   In
68. 2 Messages 2 20  User Status Messages 2 12          Output Bin Feed Test 3 15   Output Bin Sensor Test 3 16   Output Bin Test   Standard Bin 3 15   Output Bin X Sensor Test 3 16   Output Expander Control Board Level  1 Stepper Motor 5 22   Output Expander Control Board Level  2 DC Motor 5 24    P    Parallel Wrap Test 3 11  Parts Catalog 7 1  Charging 7 34  Covers 7 2  Developer Drive 7 24  Duplex 7 60  Electronics 7 36  Envelope Feeder  Frame 7 6  Fuser 7 26  High Capacity Feeder 7 74  Integrated Paper Tray   250 Sheet  7 20  Kiosk   Horizontal Paper Adapter  7 86  Kiosk   Vertical Paper Adapter 7 84  Main Drive 7 22  Miscellaneous 7 90  Options 7 88  Output Expander 7 66  Paper Feed  Alignment 7 16  Autocompensator 7 12  Multipurpose Unit 7 14  Output 7 18  Printhead 7 10  Transfer 7 32  250 Sheet Tray 7 48  500 Sheet Tray 7 52  500 500 Dual Tray 7 56  Power On Self Test  POST   Preventive Maintenance 6 1    Q    Quick Disk Test 3 2    7 70    2 24    Index 1 2    4059 XXX    R Switch Assembly 4 49  Removal Procedures 4 12    Papel                        Removals    Outer EMC Shield 4 51  Paper Alignment Assembly 4 52  Paper Input Sensor 4 53  Paper Size Sensing Board 4 54  Pick Roll 4 54  Printhead 4 55  Redrive Assembly 4 56  Right Side Frame 4 57  Smart Cartridge Contacts 4 58  Toner Sensor 4 59  Transfer Roll Assembly 4 60  Upper Front Cover Hinge Assembly  4 61  Upper Front Cover Interlock Switch  Assembly 4 62  Upper Paper Deflector Assembly  4 60  Restore EP Factory 
69. 21 34 2 Screw  Base Mounting PP 99A0675   21 35 99A0663 1 Pulley  Idler   21 36 99A0697 4 Spacer  Motor Mounting   21 37 99A0699 1 Cable  PS Internal Wiring   21 38 99A0653 1 Switch  Lower Limit Microswitch   21 39 2 Nut  2 56 Lower Limit Switch Mounting  PP 99A0676   21 40 99A0665 1 Motor Assembly   21 41 4 Washer  Motor Plate Mounting PP 99A0677   21 41A 2 Washer  Power Supply Ground PP  99A0677   21 42 99A0664 1 Belt  Drive   21 43 2 Nut  Power Supply Ground PP 99A0676   21 44 4 Screw  Motor Plate Mounting PP 99A0675   21 45 99A0669 1 Connector  Appliance Inlet with Tye Wrap   21 46 99A0670 1 Cord  AC External Jumper   21 47 2 Nut  Power Supply Cover PP 99A0676   21 48 99A0714 1 Cover  Power Supply   21 49 2 Screw  Power Supply Board Mounting  PP 99A0675       Parts Catalog 7 77    4059 XXX    Assembly 21  High Capacity Feeder  continued                                                        7 78 4059 Service Manual    4059 XXX                   Asm    Part e 422   index   Number Units   Description  21 50 2 Washer  Power Supply Board PP 99A0677  21 51   99A0667 1 Power Supply Board  21 52   99A0715 1 Cable  Low Voltage Power Supply  NS 99A0682 1 Cable  HCIT TOC Power  NS 99A0683 1 Cable  HCIT Power Passthru  NS 99A0684 1 Cable  HCIT 14Pin Flex  21 53   99A0685 1 Bushing  21 54 2 Nut  2 56 Paper Low Switch Mounting  PP 99A0676  21 55   99A0654 1 Switch  Paper Low  21 56   99A0651 1 Sensor Assembly  Paper Out Upper Limit  21 57 3 Screw  Printer Support 1 Frame Mounting  PP 
70. 28   99A0148 1 Gear  Idler          Parts Catalog 7 29    4059 XXX    Assembly 11  Fuser  continued        7 30 4059 Service Manual    4059 XXX                   Asm    Part    4227   Index   Number Units   Description   11 29   99A0297 1 Link  Solenoid  1620 1650 2420 2450 1855 1625 2455 3455   11 30   99A0169 1 Sensor  Narrow Media   11 31   99A0172 1 Flag  Exit Sensor   11 32   99A0166 1 Guide Assembly  Lower Exit  w Narrow Media Sensor   11 33   99A0897 2 Spring  Redrive Idler   11 34   99A0167 2 Roller  Redrive Idler   11 35 1 Tie  Wire PP 99A0577   11 36   99A0140 1 Lamp  115V 750W CC Red  2420 2450 2455 3455   11 36  99A0141 1 Lamp  115V 500W CC White  1250 1255 1620 1625 1650 1855   11 36   99A0177 1 Lamp  100V 500W CC Yellow  1250 1255 1620 1625 1650 1855   11 36   99A0178 1 Lamp  100V 750W CC Purple  2420 2450 2455   11 36   99A0175 1 Lamp  220V 750W CC Orange  2420 2450 2455 3455   11 36   99A0176 1 Lamp  220V 500W CC Black  1250 1255 1620 1650 2455   NS 7 Screw  Hanger PP 99A0263 2450 1250   NS 99A0145 3 Clip  Fuse Mounting   NS 99A0919 2 Standoff  Fuser Control Board          Parts Catalog 7 31    4059 XXX  Assembly 12  Transfer       7 32 4059 Service Manual    4059 XXX                          EDS  Units   Description  12 1 99A0179 1 Transfer Roll Assembly  12 1 99A0498 1 Transfer Roll Assembly 1855 C01 PRC  12 2 99A0349 1 Arm  Transfer Roll Assembly Right  12 3 99A0184 1 Spring  Transfer Roll Right  12 4 99A0186 1 Erase Lamp Assembly Kit  o Lamp  Erase Assembl
71. 307 1 Air Plenum  18 47   99A0335 2 Spring  Decurl Shaft  18 48  99A0334 2 Bushing  18 49  99A0327 1 Frame  Outer  18 50 3 Screw  Outer Frame PP 99A0413  18 51  99A0330 1 Guide Assembly  Center Drive  18 52 1 Fan Mounting Kit PP 99A0269  2    Screw  Fan Mounting M4x30  2 o Washer  Fan   M4  2 o Nut  Fan   M4  18 53   99A0308 1 Fan  Cooling Duplex  18 54 2 Retainer  5 mm Main Drive PP 99A0404  18 55   99  0337 1 Main Drive Assembly  18 56   99A0319 1 Sensor  Input Optical  18 57   99A0433 1 Spring  Decurl Shaft  18 58   99A0304 1 Switch Assembly  Top Cover Open  18 59 4 Retainer  6 mm Drive Roll PP 99A0404  18 60   99A0336 1 Shaft Assembly  Drive  18 61   99A0333 1 Shaft Assembly  Decurl  NS 1 Screw  Tensioner PP 99A0413  NS 2 Retainer  6 mm Clutch Roll PP 99A0404  NS 99A0058 4 Feet  Duplex Base  NS 99A0429 1 Label  Options Circle 1255 1625 1855 2455       Parts Catalog 7 65       4059 XXX    Assembly 19  Output Expander       7 66 4059 Service Manual    4059 XXX                   Asm    Part    4227   Index   Number Units   Description   19 1 99A0107 1 Diverter  Upper  Also order 99A0104   19 2 99A0104 1 Spring  Upper Diverter   19 3 99A0369 1 Shaft Assembly  Exit  Also order PP 99A0572   19 4 99A0052 1 Shaft Assembly  Lower Exit  Also order PP 99A0572   19 5 11 Screw  PP 99A0263   19 6 99A0347 1 Board  Output Expander Level 1  1650 2420 2450   19 6 99A0406 1 Board  Output Expander Level 2  1855 2455 1650 2420 2450   19 6 99A0915 1 Board  Output Expander DC motor  Level 3 165
72. 4059 XXX                                  Connector Pin No  Signal  J9 Autoconnect  1 Ground  Option Below   2 PrtxDout   3 Ground   4 PrtRxd  J10 Autoconnect  1  24 V dc  Option Below   2 Ground  J11 Printer 1 424 V dc  Autoconnect   2 Ground  J12 Printer 1 N A  Autoconnect   2 Ground   3 PrtxDin   4 Ground   5 PrtRxD                   Level 1 Duplex Option Board    QO        ol J1  oooonnnan                      27 Uuuuuuuu                                      5  5  1    LTULTULILILILI  1                                                 nnnnnnnnn                                              00000000                                                                                                                                                                                                                                                                                              J6  Level 1    Connector Locations 5 20    4059 XXX    Level 2 Duplex Option Board                      nnnnnnnnn                               LILTLILTLTCT LIC  LT                                     nnnnnnnn                                            af                nnnnnnnmn                               0000000                            Autoconnect   Top                                                                                     Level 2                         Connector    Pin No     Signal       Top Autoconnect       0 V dc       45 V dc       0 V dc       0 V dc       0 V dc       45
73. 455   11 1 99A0474 1 Fuser Assembly w 115V 750W Lamp  2420 2450 2455   11 1 99A0475 1 Fuser Assembly w 220V 750W Lamp  2420 2450 2455   11 1 99A0476 1 Fuser Assembly w 100V 500W Lamp  1620 1650 1855 1625   11 1 99A0477 1 Fuser Assembly w 115V 500W Lamp  1620 1650 1855 1625   11 1 99A0478 1 Fuser Assembly w 220V 500W Lamp  1620 1650 1855 1625   11 1 99  0524 1 Fuser Assembly w 100V 500W Lamp  1250 1255   11 1 99A0525 1 Fuser Assembly w 115V 500W Lamp  1250 1255   11 1 99A0526 1 Fuser Assembly w 220V 500W Lamp  1250 1255   11 1 99A0830 1 Fuser Assembly w 115V 750W Lamp 3455   11 1 99A0831 1 Fuser Assembly w 220V 750W Lamp 3455   11 2 99A0146 1 Wiper Assembly  Dry   11 2 99A0725 1 Wiper Assembly  Wet   11 3 99A0918 1 Cover  Fuser Assembly with Thermistor   Thermal Fuse  and LH  amp  RH Fuser Lamp  Contact Assemblies   11 4 4 Screw  Contact Assembly PP 99A0263   11 5 99A0147 1 Exit Roll Assembly   11 6 99A0156 1 Detack Assembly 1250 1255 1620 16251650   1855 2420 2450 2455   11 6 99A0833 1 Detack Assembly 3455   11 7 99A0562 1 Hot Roll Assembly 1250 1255   11 7 99A0563 1 Hot Roll Assembly 1620 1650 1855   11 7 99A0149 1 Hot Roll Assembly 2420 2450 2455   11 7 99A0832 1 Hot Roll Assembly 3455   11 8 99A0144 2 Retainer  Backup Roll Bearing       Parts Catalog 7 27       4059 XXX    Assembly 11  Fuser  continued        7 28 4059 Service Manual    4059 XXX                   ie EDS Units   Description   11 9 99A0158 1 Backup Roll  CBM 30 mm 2420 2450 3455   11 9 99A0160 1 Backup Roll 
74. 455 3455  Hinge  Upper Front Cover  Label  TLI ID Serial No    Blank    Cover Assembly  Lower Front  1250 1255 1620 1625 1650 1855 2420    1 8 99A0020 1 Cover Assembly  Lower Front  2450 2455 3455    Cap  MPT 2450 2455 3455   O Ring  Lower Front Door   Screw  Upper Front Cvr Mtg PP 99A0263  Kit  Upper Front Cover with Labels       oO   a    1 5 99A0012  1 6 99A0008  1 7 99A0007  1 8 99A0023         ln n    1 8A   99A0022  1 9 99A0021  NS  1 10 99A0917  NS 99A0458  1 11 99A0630  1 11 99A0631  1 11 99A0632  1 11 99A0633  1 11 99A0634  1 11 99A0535  1 11 99A0536  1 11 99A0537  1 11 99A0538  1 11 99A0539  1 11 99A0540  1 11 99A0541    Labels  Upper Front Cover   Bezel  Operator Panel  English  Bezel  Operator Panel  France  Bezel  Operator Panel  Italy   Bezel  Operator Panel  Germany  Bezel  Operator Panel  Spain  Bezel  Operator Panel  Denmark  Bezel  Operator Panel  Netherlands  Bezel  Operator Panel  Norway  Bezel  Operator Panel  Sweden  Bezel  Operator Panel  Brazil Portugal  Bezel  Operator Panel  Finland                    Ce Ce Ce Ce Ce Cs Cs Ce Cs Ce CS   oe Ce    Bezel  Operator Panel  Japan       Parts Catalog 7 3    4059 XXX    Assembly 1  Covers  continued        7 4 4059 Service Manual    4059 XXX                   ae EDS Units   Description   1 12 99A0001 1 Operator Panel Assembly   1 13 99A0009 1 Cover  Left Side  1250 1255 1620 1650 2420 1855 1625   1 13 99A0010 1 Cover  Left Side 2450 2455 3455   NS 5 Screw  Left Side Cvr Mtg PP 99A0263   1 14 99A0017 1 Door  L
75. 5  3 0 Cover  INA Blank  14 19   99A0207 1 Shield  Outer 1250 1255 1620 1625  14 19   99A0206 1 Shield  Outer 1650 2420 1855  14 19   99A0204 1 Shield  Outer 2450 2455  NS 99A0224 1 Shield  Interconnect Board 2450 2455 3455  NS 99A0229 1 Shield  Interconnect Board  1625 1650 1855 2420  NS 99A0230 1 Shield  Interconnect Board 1250 1255  NS 99A0243 1 Shield  Interconnect Board Mylar  2450 2455 3455  NS 99A0244 1 Shield  Interconnect Board Mylar  1625 1650 1855 2420  NS 99A0245 1 Shield  Interconnect Board Mylar 1250 1255  14 20 4 Screw  Outer Shield Mounting PP 99A0263  14 20 6 Screw  Outer Shield Mounting  PP 99A0263 2450  14 21 1 Screw  Eng Controller Mtg Ground  PP 99A0263  NS 1 Screw  Eng Int Shield Ground PP 99A0263  NS 2 Screw  Controller Int Ground PP 99A0263  NS 2 Screw  Int Pan Mounting PP 99A0263  NS 1 Screw  Eng Int Ground PP 99A0263  NS 99A0260 1 Clip  Cable  NS 2 Screw  Cable Clip PP 99A0263                   Parts Catalog 7 41    4059 XXX  Assembly 14  Electronics  continued                    7 42 4059 Service Manual    4059 XXX    Asm    Part   Index   Number  14 22   99A0138  14 23   99A0030  14 23   99A0803  14 24   99A0255  14 25   99A0129  14 25   99A0130    Units   Description       Sensor  Standard Bin Level   Fan  Main   Fan  Main 3455   Cable  Main Drive Motor   Gearbox  w Motor 2450 2420 2455    Gearbox  w Motor  1620 1650 1250 1255 1855 1625    Gearbox  w Motor 3455  Cable  Integrated Tray  Board  Input Tray  ITC   Cable  Auto Connect Bottom          n
76. 5 21 CERSZT  v  75      ODIVFAI  1            LEV V HMCHSSCEMUEWS  NATOR T                       825086175  ALOV    YV WMECHSCEMEWS NTE                            EBA GCHTWETF  20  7Zyr  sZ    i  72zHb  30  OL    P     AAMLTTIETF  20  LF            0     T7T95T 72    72    08388B8C  BH  SL UDybhOAVDAULWERHITSLU P CF  Got     YAFLESPVVYS   itk  BORE  2A VPOA YFIHVAL D         EL BW Ti  ARR FATOVANVE LOL    P    ik                                               Chinese Laser Notice    A                   4U                        ae    EIU GEA    DHHS 21 CFR  Subchapter I 272 1  1              Tm ER Hh p uL SEA ES 3        825  ES tr TE   SELB        PE      TT EN EL A BBS A35 1      3b  AY ROC                     amp 7  EEGEN  EG  HBR    770 795 om 218      RMI ARRITNPM RIT   cp  VE  HABA        AWA   ARSE APR ROE TD SAY    Notices and Safety Information xvi    4059 XXX       Korean Laser Notice    ere 158 olx ASSO CHE DHHS 21  CFR Subchapter 32  PAS Zei ges  ozo oHe  2 2          EC 8  TAS tse 158 olx xEesgs ess  HHEH    158 AOA ASSES HNE AOS HFHH      ugaas 5 PASE                         2   770 795         IHH  SISStE Class     3b  alo x1 amp  cyto  213  Veit         Aj             BA 45       HA  B SLE Weg MHA SERA  4219  Class     EY al o x        Ao  SO  Sog   MSs ABO           rio       Safety Information    e This product is designed  tested and approved to meet strict  global safety standards with the use of specific Lexmark  components  The safety features of some par
77. 55   3455  fails to run or is noisy     Go to the    Auxiliary Fan Service  Check  on page 2 47        Dead Machine    Go to the  Dead Machine Service  Check  on page 2 32        Operator Panel   One or more  buttons do not work     Go to the  Operator Panel Buttons  Service Check  on page 2 74        Operator Panel   Display is blank   Printer sounds 5 beeps     Go to the  Operator Panel Service  Check  on page 2 74        Operator Panel   Display is blank   Printer does not emit 5 beeps     Replace the operator panel  assembly        Operator Panel continuously  displays all diamonds   5 beeps  and does not complete POST     Go to the  Operator Panel Service  Check  on page 2 74        Paperfeed problems   Base  printer or Integrated 250 Paper  Tray    Go to the  Paper Feed Service  Check  on page 2 86        Paper jams at exit of Redrive  Assembly   No Duplex Option  installed     Go to the  Paper Feed Service  Check  on page 2 86        Paper jams at exit of Redrive  Assembly   Duplex Option  installed    Go to the  Duplex Option Service  Check  on page 2 35        Fuser Solenoid   Models 1620 1650 2420 2450   3455 fails to operate     Go to the    Fuser Envelope  Conditioner Solenoid Service  Check  on page 2 51        Print quality   Black page    Go to    Print Quality   All Black Page   on page 2 92        Print quality   Blank page    Go to  Print Quality   Blank Page  on  page 2 92        Print quality   Light print       2 25 4059 Service Manual       Go to  Print 
78. 99A0121 1 Clip  250 Tray Wear   8 9 99A0126 4 Finger  Autosize   8 10 99A0124 1 Plate  Snap In   8 11 99A0127 1 Slider  Autosize 250   8 12 99A0893 1 Restraint  Back 250 Sheet Tray   NS 2 Screw  Deflector Mounting PP 99A0263  NS 99A0452 1 Washer  Latch Mounting   NS 1 Screw  Latch Mounting PP 99A0263  NS 99A0501 1 Strip Assembly  Paper Tray Insert 1855   01       Parts Catalog 7 21       4059 XXX  Assembly 9  Main Drive       7 22 4059 Service Manua    4059 XXX                   ae Ae Units   Description   9 1 99A0129 1 Gearbox  w Motor 2420 2450 2455   9 1 99A0130 1 Gearbox  w Motor  1620 1650 1250 1255 1855 1625   9 1 99A0801 1 Gearbox  w Motor 3455   9 2 99A0134 1 Shaft  Power Takeoff   9 3 99A0275 1 Spring  Power Takeoff Shaft   9 4 99A0954 1 Gear  Bevel   NS 4 Screw  Gearbox Mounting PP 99A0263   NS 3 Screw  Motor Mounting PP 99A0263   NS 99A0260 2 Clip  Cable          Parts Catalog 7 23    4059 XXX  Assembly 10  Developer Drive             7 24 4059 Service Manual    4059 XXX                             Units   Description   10 1 99A0135 1 Developer Drive Assembly   10 2 99A0136 1 Shaft  Developer Drive   10 3 99A0564 1 Coupler  Gear  55   10 4 1 Screw  Developer Drive Ground PP 99A0263  10 5 2 Screw  Developer Drive Mtg      99A0263       Parts Catalog 7 25       4059 XXX    Assembly 11  Fuser       7 26 4059 Service Manual    4059 XXX                   Asm    Part    421   Index   Number Units   Description   11 1 99A0473 1 Fuser Assembly w 100V 750W Lamp  2420 2450 2
79. 99A0675  NS 6 Washer  Printer Support Frame 1 Star  PP 99A0677  NS 6 Nut  Printer Support Frame 1 8 32 Hex  PP 99A0676  NS 10 Screw  Door to Door Frame Mounting  PP 99A0675  21 58   99A0659 1 Frame  Printer Support 1  21 59   99A0695 1 Parts Kit  Paper Size Switch Assembly  including cable  switch  lockwasher  nut and  knob  21 60 2 Washer  Sensor Bracket Mounting       99A0677  21 61 2 Screw  Sensor Bracket Mounting PP 99A0675          Parts Catalog 7 79    4059 XXX  Assembly 21  High Capacity Feeder  continued        7 80 4059 Service Manual    4059 XXX                   ei    ii Units   Description   21 62   99A0281 1 Cable  250 Auto Connect   21 63   99A0279 1 Bearing  Drive Shaft   21 64   99A0273 1 Gear  Bevel   21 65 2 Screw  Frame Mounting PP 99A0263   21 66   99A0276 1 Roll Assembly  Drive 250 Option   21 67   99  0451 1 Roll  Skew Backup   21 68 1 Retainer  Roller PP 99A0267   21 69 2 Screw  Wear Plate Mounting PP 99A0675   21 70   99A0277 1 Plate Wear  Pass Thru   NS 99A0286 1 Spring  Backup Roller   21 71   99  0445 1 Stud Assembly  250 Frame   21 72   99A0280 1 Bearing  Drive Shaft Low   21 73   99A0275 1 Spring  Power Takeoff   21 74   99A0272 1 Shaft  250 Drive   21 75   99A0446 1 Aligner Assembly  Paper   21 76 1 Retainer  Aligner Assembly PP 99A0267   21 77   99A0274 1 Gear  Feed Roll   21 78   99A0278 1 Bellcrank  Roller Release   21 79   99A0688 1 Card Assembly  2000 Tray Option   21 79   99A0401 1 Card Assembly  2000 Tray Option  1255 1625 1855 2455 3455  
80. AM Memory Error on the controller board   Replace the controller board        961 RAM in Slot  1 is Bad     Replace the SIMM in Slot 1  If this does not fix the  problem  replace the controller board        962 RAM in Slot  2 is Bad     964 Emulation  Error       965 Emulation  Error    Replace the SIMM in Slot 2  If this does not fix the  problem  replace the controller board     Indicates a failure within the Download Emulation which  is programmed into the code overlay SIMM  The specific  error is as follows    964   Download Emulation CRC Failure  Checksum  Failure    965   Download Emulation Outdated  The Download  Emulation and the controller code are incompatible  Go  to    Disabling Download Emulations  on page 3 3        975   979  Network Card X    The following errors indicate a failure with the network  card in the specified slot  X any card installed in slots  1 2 or 3  975   Unrecognizable Network Card x  Replace  Network Card x    976   Unrecoverable software error in Network Card x   977   Controller software detects that a Network Card is  installed in slot x but cannot establish communications  with it    978   Bad checksum while programming Network Card  x  Replace Network Card x    979   Flash parts failed while programming Network  Card x        980   device    Comm    The engine is experiencing unreliable communications  to the specified device        981   device            The engine protocol violation detected by the specified  device           Diagno
81. Cable  Elevator Top Optical  Sensor          Check the continuity of the sensor  cable  If incorrect  replace the cable   If correct  replace the top optical  sensor assembly        Diagnostic Information 2 70    4059 XXX    Tray X Empty message displays  Tray does not respond to loading    paper  No response from the front door switch        FRU    Action       1   High Capacity Feeder  Option Control Board    Check the voltage on the board at  J4 2  green   The voltage measures  approximately  5 V dc  If incorrect   disconnect the cable at J4 and check  the voltage again  If incorrect   replace the high capacity feeder  option control board        2   Elevator Top Optical  Sensor Cable  Elevator Top Optical  Sensor             Check the continuity of the sensor  cable  If incorrect  replace the cable   If correct  replace the top optical  sensor assembly        Tray X Paper Low Message displays when the high capacity feeder    input tray is full or has adequate paper in the tray        FRU    Action       1   Paper Low Switch  Paper Low Switch Cable  High Capacity Feeder  Option Control Board             Run the sensor diagnostics for tray X   X the number that represents the  high capacity input tray   If the test  fails  check the voltage at J3 1   grey   The voltage measures  approximately  24 V dc  If incorrect   disconnect the paper low switch  cable from J3 and measure the  voltage again on J3 1  If incorrect   replace the high capacity feeder  option control board  I
82. Defaults 3 21  ROM Memory Test 3 10    Center Pan Assembly 4 18   Controller Board 4 19   Covers 4 12   Developer Drive Assembly 4 20   Duplex Board 4 21   Duplex Front Cover Assembly 4 21   Duplex Front Cover Door 4 21   Duplex Front Cover Door Switch  4 21   Duplex Motor 4 22   Engine Board 4 23   EP Frame Assembly 4 23   Fans 4 24   Fuser 4 26   Fuser Board 4 27   Fuser Cover 4 28   Fuser Detack Fingers 4 29   Fuser Detack Housing Assembly    4 29  Fuser Envelope Solenoid 4 31 5  Fuser Exit Flag Assembly 4 31   8  Fuser Exit Roll Assembly 4 32 Safety Information xvii  FuserLamp 4 33 Safety Inspection Guide 6 1  Fuser Lower Exit Guide Assembly Scheduled Maintenance  2420 2450   4 33 2455 3455  6 2  Fuser Transfer Plate 4 30 Screw Identification Table 4 7  HVPS 4 34 Serial Wrap Test 3 12  Inner EMC Shield 4 35 Service Checks  Inner Paper Deflector Assembly Charge Roll 2 29    4 36 Cover Open Switch Cable 2 31    Integrated Tray Compensator Dead Machine 2 32    Assembly 4 37 Duplex Option 2 35  Integrated Tray Compensator Pick Envelope Feeder Option 2 39  Roll Assembly 4 38 Erase Lamp 2 46  Interconnect Board Assembly 4 39 Fan 2 47  Left Side Frame 4 41 Fuser 2 48    LVPS 4 43 Fuser Solenoid 2 51  Main Drive Assembly 4 44 High Capacity Feeder Input Tray  Main Drive Motor 4 45 2 61  Multipurpose Tray Lower Deflector Input Sensor 2 57    Assembly 4 46 Input Tray s  Option 2 58  Operator Panel 4 48 Main Drive 2 73  Operator Panel Cable Cover Open Operator Panel 2 74    1 3 4059 
83. E Units   Description   18 20 1 Screw  Tray Open Switch Mounting  PP 99A413   18 21   99A0341 1 Sensor  Exit   Optical   18 22  99A0342 1 Guide  LH Lower   18 23   99A0343 1 Guide  Return LH Upper   18 24 2 Screw  LH Upper Return Guide Mounting  PP 99A0413   18 25   99A0306 1 Base Assembly  w Tray Bias   18 26   99A0316 1 Shaft  Duplex Drive   18 27   99A0315 1 Spring  Duplex Shaft   18 28   99A0325 1 Gear  Pass Thru Idler   18 29   99A0280 1 Bearing  Drive Shaft Low   18 30   99A0311 1 Cable  Auto Connect Bottom   18 31   99A0274 1 Gear  Pass Thru Drive Roll   18 32  99A0310 1 Cable  Auto Connect Top   18 33 4 Screw  Main Frame Assembly Mounting  PP 99A0413   18 834   99A0317 1 Gear  Duplex Bevel   18 35   99A0434 1 Pan  System Board Drip   18 36   99A0279 1 Bearing  Drive Shaft   18 37  99A0191 1 Fuse   8A SB   18 38   99A0403 1 Board  System Level 1   18 38   99A0916 1 Board  System Level 2   NS 99A0956 1 Kit  Duplex Option Card Jumper   18 39 2 Screw  System Board Mounting PP 99A0413   18 40 4 Screw  System Board Cover PP 99A0413          Parts Catalog 7 63    4059 XXX    Assembly 18  Duplex  continued        7 64 4059 Service Manual    4059 XXX                          Ae Units   Description  18 41   99A0305 1 Top Cover Assembly  Movable  18 42   99A0303 1 Top Cover Assembly  Fixed  NS 1 Retainer  6 mm Top Cover PP 99A0404  18 43   99  0435 1 Guide  Lower             18 44   99A0338 1 Guide Assembly  Paper Decurl  18 45   99A0332 1 Guide  Center Drive Upper  18 46   99A0
84. Ground       Ground  Opt2       Opt1           Ei Gol N     5 V dc       J7 Auxiliary Fan   Model 2420 2450 2455     3455     CRFANONn       Ground       J8 Printhead HYSNC    ak    Ground       HSYNC        Ground       AJOJN     5 V dc       J9 Fuser Inductor Sense  WT 2450 Only              FISENSEn             Ground       5 5 4059 Service Manual       4059 XXX    Connector Pin No  Signal       J10 Erase Toner  Sensor Input Sensor     gt k    AT Servo  Servo OutT       TXENABLE       Transfer        24 V dc       Charge  Ground       Developer       Oli ol NI oOo  a  AJ           Ground                In Sns                     5 V dc       x  N    CTSENSE                Ground       a4  A     24 V dc       E        ERASEPWM               J11 Operator Panel I2COTA        5 V dc  PCLKP       Ground       a  AJOJN    FPIRQ                   Connector Locations 5 6    4059 XXX    Connector    Pin No     Signal       J12 BLDC Motor            24 V dc  424 V dc Return        24 V dc Return       Motor3       Motor4       Dir       Motor1        5 V dc       Qoo NI oO  ay  AJ OJN    Motor2       E        Ground                   MotorO       J13 Autoconnect         RXD  Ground        5 V dc       Ground            Si               Ground       J14 Autoconnect              RXD       Ground        5 V dc       Ground              AJ wy  N       Ground       5 7 4059 Service Manual       4059 XXX    Connector    Pin No     Signal       J15 Integrated Paper  Tray     gt k     5 V d
85. IMM   24 99A0724 1 64MB EDO DRAM SIMM   24 99A0726 1 DBCS SIMM  Japan   24 99A0521 1 1MB Flash SIMM   24 99A0522 1 2MB Flash SIMM   24 99A0523 1 4MB Flash SIMM   24 99A0873 1 SIMM  Bar Code 3455   24 99A0420 1 Token Ring Card   24 99A0421 1 10 100 Ethernet Card   24 99A0422 1 10Base2 10BaseT Card with T connector   24 99A0560 1 Omni Bus INA Card   24 99A0424 1 IR Adapter   24 99A0515 1 Hard Disk  w o Control Board  1250 1620 1650 2420 2450   24 99A0459 1 Hard Disk  w o Control Board 2 1GB  1255 1625 1855 2455 3455   24 99A0516 1 Board  Hard Disk Control   24 99A0628 1 SIMM  IPDS Board  1250 1620 1650 2420 2450   24 99A0871 1 SIMM  IPDS Board  1255 1625 1855 2455 3455   24 99A0629 1 Adapter Card  SES for SCS   24 13A0296 1 Cable  Twinax   24 13A0297 1 Cable  Coax   24 99A0545 1 Adapter  Serial   24 13A0298 1 Cable  Serial   24 99A0467 1 Board  Parallel Port Adapter   24 99A0923 1 Board  USB Parallel Port       7 88 4059 Service Manual       4059 XXX    Assembly 24  Options  continued                 am  TARN Units   Description   24 99A0911 1 Tray Assembly  250 Special Media  24 99A0910 1 Cartridge  4059 Shipping  2    24 99A0909 1 Cartridge  4059 Shipping  1    24 99A0863 1 Hopper  Integrated Label Letter  24 99A0864 1 Hopper  Integrated Label Letter Stacker  24 99A0865 1 Hopper  Legal Label Stacker   24 99A0799 1 Drive  Forms HD 2 1GB   24 99A0417 1 Kit  Cap Stack Bails 250   24 99A0920 1 Kit  Cap Stack Bails 500   24 99A0945 1 Kit  Paper Stacking Arm             Parts Catal
86. Models    1620  4059 162  1625  4059 165  1650  4059 160  1855  4059 185  1855  4059   01             Optional 500 sheet  Output Expanders    Standard Output Bin    Optional Envelope             250 sheet Input Tray       Duplex Option  Optional 250 sheet  Drawer    Optional 500 sheet  Drawer                         General Information 1 2    4059 XXX  Optra S Models    2420  2450  2455  3455    4059 242  4059 240  4059 245             4059 345          a       Optional 500 sheet  Output Expanders    Optional Envelope  Feeder         250 sheet Input Tray    Duplex Option  Optional 500 sheet  Drawer Bt    Optional 250 sheet     N    Drawer    Optional 500 sheet  Drawer                            1 3 4059 Service Manual    4059 XXX       Options    The following options are available  Some options are not available  in every country  Contact your point of purchase for options available  in your country     Memory options of 4MB  8MB  16MB and 32MB  Flash memory options of 4MB and 8MB  Integrated network options  Token Ring  Ethernet  Tri Port  IR Adapter  IPDS  SCS  USB Parallel Port  250 and 500 sheet paper trays of A5  letter  and legal size   250 Sheet Special Media Tray Assembly  500 500 sheet dual trays  Models 2450  2455 and 3455   2000 Sheet High Capacity Feeder  Envelope feeder  Duplex option  Hard Disk   1 4 GB  Models 1250  1620  1650  2420 and 2450   Hard Disk   2 1 GB  Models 1255  1625  1855  2455 and 3455   Forms Hard Disk   2 1 GB  Infrared Adapter  Kiosk Adapter
87. Note  The screw that attaches the  charge roll lead to the contact must  be secure              Diagnostic Information 2 30    4059 XXX    Cover Open Switch Cable Service Check       FRU    Action       1   Toner Cartridge    Check the toner cartridge to make  sure it is correctly installed and that  the right and left hand cartridge  tracks are not loose or broken   Check to make sure the cover open  switch activation tab on the toner  cartridge is not broken and that the  tab correctly activates the cover  open switch spring        2   Cover Open Switch Cable  Assembly             Check the cover open switch for  proper mechanical operation  If  incorrect  repair as necessary   Disconnect the cover open switch  cable from J4 at the engine board  and measure the voltage at J4 3  It  measures approximately  5 V dc  If  the voltage is incorrect  replace the  engine board  If the voltage is  correct  check the voltage at J4 1  If  the voltage measures greater than   1 0 V dc  replace the engine board   If the voltage is correct  check the  continuity between J4 1 and J4 3 on  the cable  If no change in continuity  occurs as the switch is activated   replace the cover open switch cable  assembly  If the continuity changes  as the switch is activated  replace  the engine board     Note  It is easier to check the  voltages on J4 with the controller  board removed        2 31 4059 Service Manual       4059 XXX    Dead Machine Service Check    Note  Remove any paper handling options
88. P RR Rear dee 3 2            TOOL                                          3 2                                       nee                              3 2                                            3 3  Disabling Download Emulations                      3 3  Dur EE 3 4  Duplex QUICK           osos                 OR Rs 3 4  D  plex Sensor Test  ciscus exea dure a ienaa 3 5  Duplex Motor Test  secessit s 3 5  Duplex Feed 1 TESI a caua docebo gy        EK EC 3 7  D  plex Feed 2 Tests                      Kata ge                 3 7         LOS           be ee adc  dee Se EAE                3 8  Viewing the Error log ee e MES Rm 3 8                            riedia rea niaaa            3 8  Hardware TOS  S  dE mr  mem ege AER 3 9  EID TESI snap dE d  jede d ded D e AR A c dod ral ee 3 9  Button        c  ines            sx              seed A REESE 3 9  DRAM Memory Test iius eus seas sk RR ee ek 3 10         Memory Ist                        RR RR es 3 10  Parallel Wrap Test  sus                      ees 3 11  Gela Wap      5 5  wc ceeds deca gee Pee ead eed 3 12        Tay TOSS              ore AC      yk 3 14  Input Tray Feed Tests csse dee ERR same 3 14  Input Tray Sensor                                    3 14  Output Bin Test   Standard Bin                      3 15  Outp  t Bin Feed Test  ius caus dos esser                 3 15         Bin Sensor Tee  2 sues eee RR RR RES 3 16  Output Bin X Sensor                                  3 16  Base Sensor      sp acaces eee eect d
89. Quality   Light Print  on  page 2 101        4059 XXX    Symptom       Action       Print quality   Background    Go to    Print Quality   Background     on page 2 96        Print quality   Residual image    Go to    Print Quality   Residual  Image    on page 2 100        Print quality   Skew    Go to the    Paper Feed Service  Check    on page 2 86        Print quality   Banding    Go to    Print Quality   Banding    on  page 2 99        Print quality   Random marks    Go to    Print Quality   Random  Marks    on page 2 94        Print quality   Toner on backside  of printed page    Go to    Print Quality   Toner on  backside of printed page    on  page 2 102        Print quality   Vertical black bands  on edge of copy    Go to    Print Quality   Black bands on  outer edges of the page    on  page 2 99        Unable to clear a     32 Unsupported Print Cartridge     User Error Message          Go to    Smart Cartridge Service  Check    on page 2 102       Symptom Table   High Capacity Feeder Option  2000 Sheet        Symptom    Action       The printer does not recognize  the high capacity feeder option  installed     Go to the    High Capacity Feeder  Input Tray Service Check    on  page 2 61        Paper feed problem with the high  capacity feeder option           Go to the   High Capacity Feeder  Input Tray Service Check    on  page 2 61        Diagnostic Information 2 26    4059 XXX    Symptom Table  Paper Tray Options       Symptom    Action       Paper feed problem with
90. Remove the transfer shaft  A  through the bottom of the printer     assembly    Remove the three main drive assembly mounting screws  C    Remove the link  D  from the rear of the main drive assembly   Disconnect the cable from the main drive motor    Remove the main drive assembly     Note  Do not remove the screws  E  on the main drive assembly   Be sure the main drive assembly gear shaft aligns with the hub on  the left side frame when reinstalling the main drive assembly         102        Repair Information 4 44    4059 XXX  Main Drive Motor  1  Remove the main drive assembly     2  Remove the three main drive motor mounting screws  A    3  Remove the main drive motor     A  212           5 72  Lef       i              id E  mr   ai             r    SN       A  212     4 45 4059 Service Manual    4059 XXX  Multipurpose Tray Lower Deflector Assembly    1  Open the multipurpose tray to a position that let the left and  right tray hinge slots  A  align with the rectangular mounting  posts  B   Pull upward on each tray hinge to remove the tray  from the two mounting posts  Be careful not to break the hinges  or lose the O ring from the left mounting post        Side View    Repair Information 4 46    4059 XXX    2     Remove the paper out sensor   1250  1620 1650 and 2420     Remove the screws  A  mounting the multipurpose tray lower       Remove the upper deflector     deflector assembly   Remove the multipurpose tray lower deflector assembly                 A  102  A  104 
91. Return Stop to exit the test   Output Bin X Sensor Test    Note  Some output expanders have a single output bin sensor  installed while others have a dual sensor assembly  Both versions  have a single pass thru sensor  This test is used to verify if the  Output Bin X sensors are working correctly     To run the Output Bin X Sensor tests     1  Select Output Bin tests from the menu   2  Select Output Bin tests   Sensor Tests   3  Select Sensor Tests   Output Bin X     Output Expander with Single Sensor  The following is displayed   Output Bin X                P OP  Full Bin Full Sensor  P Pass Thru Sensor    Diagnostic Aids 3 16    4059 XXX  Output Expander with Dual Sensor     The following is displayed   Output Bin X    P OP F OP NF CL   P   Pass Thru Sensor   F   BIN FULL Sensor  lower part of dual sensor   NF   Near Full Sensor  upper part of dual sensor     Once the message displays  the servicer can manually actuate each  of the output bin sensors  The bin full sensor can also be actuated  by hand  Use a sheet of paper to cover the bin s pass thru sensor   When the sensor is closed CL displays  and when the sensor is  open OP displays     4  Press Return Stop to exit the test   Base Sensor Test    This test is used to determine if the sensors located inside the  printer are working correctly     The following sensors can be checked     Toner Optical Sensor   Input Sensor   Output Sensor  Fuser Exit    Narrow Media Sensor   Front Door Sensor  Upper Front Cover     To run 
92. Service Manual    4059 XXX    Options 2 76   Output Bin Sensor 2 78   Output Expander 2 79   Paper Feed 2 86   Parallel Port 2 89   Print Quality 2 91   Printhead 2 89   Serial Port 2 104   Smart Cartridge 2 102   Toner Sensor 2 104   Transfer Roll 2 105  Setting Configuration ID 3 20  Setting the Page Count 3 19  Status Messages 2 12  Symptom Tables 2 25   Base Printer 2 25   Duplex 2 27   Envelope Feeder Option 2 27   High Capacity Feeder Option 2 26   Output Expander Option 2 28   Paper Tray Options 2 27    U    Unique Tools 1 5   User Line 2 Link Messages 2 22  User Line 2 Messages 2 20  User Status Messages 2 12    V    Viewing the Permanent Page Count  3 19    Index LA    
93. T  does not complete and the printer emits 5 beeps and stops ina    continuous pattern until the printer is turned off  The operator panel  cable is a individual cable on some printers and a combination cable    assembly with the cover switch cable on later models     Note  If the operator panel is operating properly except for a PEL or  a few PELS missing or broken  run the    LCD Test    on page 3 9 from    the hardware tests before continuing with this diagnostic service    check        FRU    Action       1   Operator Panel Cable    Check for proper installation of the  cable at the engine board  J11  and  at the operator panel  Check the  continuity of the operator panel  cable  If incorrect  replace the cable        2   Operator Panel Display  blank  5 beeps  LED Off    Check the voltage at J11 2 on the  engine board  It measures  approximately  5 V dc  If incorrect   replace the engine board  If correct   replace the operator panel assembly        3   Operator Panel Display  blank  5 beeps  LED On             Check for ground between J13 4 and  ground  If correct  replace the  operator panel assembly  If incorrect   replace the engine board        2 75 4059 Service Manual          4059 XXX          FRU Action  4   Operator Panel all Check to make sure a SIMM is not  diamonds  No Beeps plugged in backwards  This condition    causes the printer to fail POST  displaying all diamonds on the  operator panel with no beeps       5   Operator Panel all Check the voltage at Pin
94. The voltages measure   24 V  dc  If correct  replace the high  capacity feeder option system board   If incorrect  disconnect J8 from the  System board and measure the  voltages again  If incorrect  check  the LVPS cable and the A C  internal  wiring from the input appliance  receptacle  If incorrect  replace as  necessary  If correct  replace the  LVPS  If the voltages are correct   check the stepper motor for shorts  from the motor housing to each pin  on the motor connector  If you find a  short between any pin and the motor  housing  replace the motor  assembly  If no shorts are found   replace the high capacity feeder  option control board     Check the voltage at J9 1  light  blue   The voltage measures  approximately  24 V dc  If incorrect   disconnect the cable at J9 and check  the voltage again  If the voltage  continues to be incorrect  replace  the high capacity feeder option  System board  If the voltage  measures correctly  check the cable   If the cable is damaged  replace as  necessary  If no problem is found  with the cable  replace the high  capacity feeder option control board        2 63 4059 Service Manual       4059 XXX    24X Paper Jam message displays  Paper jammed over the Pass  Thru Sensor   X The printer displays the value of X for the paper  tray where the error occurs  Example  242 is a Paper Jam Tray 2        FRU Action       1   Pass Thru Sensor and Flag The tray x option system board did   Assembly not detect a piece of paper actuating  the pass
95. Top Margin for the backside of the  duplexed page  You can run one duplexed page  Single  or continue  printing duplexed pages  Continues  until Return Stop is pressed     The paper you choose to print the page on should be either Letter or  A4     To run the Duplex Quick Test     1  Select Duplex Quick Test from the menu   2  Select Single or Continuous       The single Duplex Quick test cannot be canceled     The printer attempts to print the Quick Test Page from the default  paper source  If the default paper source only supports envelopes   then the page is printed from Tray 1     Check the Quick Test Page for the correct offset between the  placement of the first scan line on the front and back side of a  duplexed sheet     If adjustment is necessary the Top Margin Offset must be adjusted  first  The range of the adjustment is  25 to  25  The Duplex Top  Margin Offset range is  20 to  20     Adjustment of this setting lets you shift up or down the position of the  Top Margin  Changing this parameter by 1 unit moves the margin    Diagnostic Aids 3 4    4059 XXX    1 100 inch  A positive offset moves the text down the page and  widens the top margin while a negative offset moves the text up the  page and narrows the top margin     3  Press Return Stop to exit the test   Check the Top Margin Offset of the base printer   Duplex Sensor Test    This test is used to determine whether or not the Duplex sensors  and switches are working correctly     Select Sensor Test from the D
96. Voltage Power                                     4 43  Main Drive AStem Dy iis evan      Ee er 4 44  Main Drive MOU us snas vada ee eR RE dds           4 45  Multipurpose Tray Lower Deflector Assembly          4 46  Operator EE 4 48  Operator Panel Cable Cover Open Switch Assembly    4 49  Optional 250 500 Paper Tray Assembly               4 50  Outer EMG Shield eier Nd           RE 4 51  Paper Alignment                                         4 52  Paper Input ZER           ade rd eod ice 4 53  Paper Size Sensing                                    4 54  da 58  can pani                                     4 54  aner 4 55  gung ASCO                                      4 56  Right Side               2      2   5 gt   gt  lt  55 EE SR 4 57  Smart Cartridge Contacts                          4 58  TES UBI DONE                Pu e OE POE PR 4 59  Transiar Holl Assembly occ ace vedendo be que e Es 4 60  Upper Paper Deflector Assembly                    4 60  Upper Front Cover Hinge Assembly                  4 61  Upper Front Cover Interlock Switch Assembly          4 62  Connector Lacall  ns iin cius cocos sius e Erde dr wpd 5 1  Low Voltage Power                                      5 1  High Voltage Power                                      5 3  Engine Beet  iioc seco keene Sate hm ewww amend 5 4  SE 5 11  Intereognnect Board se eme sm mmm me mm 5 14  Envelope Option                                      5 17  Duplex Option Board a Zeg EE ee bd        hme 5 19                   
97. X    Fans    Auxiliary Fan  Models 2420 2450 2455 3455     1  Remove the right cover    2  Remove the inner EMC shield    3    4  Disconnect the auxiliary fan cable from the engine board at    Remove the fuser wiper cover     connector J7       Note the routing of the auxiliary fan cable  A  and remove the    fan  B         B       Repair Information 4 24    4059 XXX  Main Fan    1  Remove the top rear cover    2  Remove the inner EMC shield    3  Note the routing of the main fan cable  A  and disconnect the  cable from the engine board at connector J1    4  Release the four latches  B  and remove the fan from the left  side frame        4 25 4059 Service Manual    4059 XXX    Caution  Be sure the fuser assembly has cooled before working  on any of the fuser FRUs     Note  You must replace cable ties  B  if removed during the fuser  removals  The cable ties prevent the fuser wiring from obstructing  the paper path through the fuser assembly     Fuser    1  Remove the redrive assembly   2  Remove the two fuser mounting screws  A    3  Remove the fuser ground wire and remove the fuser assembly     A  102        Repair Information 4 26    4059 XXX  Fuser Board      Remove the fuser assembly     Disconnect the cables  A  from the fuser board     Remove the fuser board mounting screw  B      Release the fuser board from the standoff tab  C  and lift the  fuser board from the fuser assembly     Ron       A B 202     4 27 4059 Service Manual    4059 XXX  Fuser Cover    1  Remove the
98. ack height  Replace both pick    rolls if the paper appears to be flat in the tray but the there is still a    problem     Failures occur mainly near the bottom of the stack of paper     The autocompensator pick arm may not be coming down far enough    to allow the pick rolls to properly contact the paper  Also the  autocompensator motor may be failing  If this problems continues   replace the autocompensator assembly     2 87 4059 Service Manual       4059 XXX    Double Feeding Paper    Note  If double feeding paper occurs mostly from the bottom of the  stack  check for missing or damaged restraint pads in the tray        FRU    Action            Paper    Paper is usually the primary cause of  a double feeding paper problem   Flex the paper before placing the  paper in the tray  Edge welded paper  is the most common cause of double  feeding  Loading the paper in the  tray in different locations and  directions and using rough paper  and short grain paper also causes  double feeding              Autocompensator    Make sure the counterbalance  spring is not missing  loose or  broken at the top of the  autocompensator arm assembly  If  you find a problem  replace the  autocompensator assembly        Multipurpose Tray    Paper fails to feed from the multipurpose tray     The pick roll should make one complete revolution and stop with the  flat side down  If the pick roll turns but does not pick paper  check the  roll for signs of wear  oil or grease on the surface of the pick r
99. acters could print and the copy may not fit  the page correctly     Measure all voltages from the connector to printer ground  All  voltages measured during the print cycle are measured with the  controller board removed while running the print test     2 91 4059 Service Manual    4059 XXX  Print Quality   All Black Page    Service Tip  An all black page is generally caused by a problem in  the high voltage system or an incorrect high voltage in the printing  process resulting in toner development on the entire photoconductor  drum        FRU Action       1   High Voltage Contacts Check the high voltage contacts on  the right side frame to ensure they fit  securely and are not pitted   contaminated or damaged  If  incorrect  replace the contact with  one from the HV contact kit     Screws are included to attach the  contacts to the right side frame in the  HV contact kit        2  HVPS Check the voltages on J10 1 thru  J10 8  If incorrect  replace the  engine board        3  HVPS Cable Check the continuity of the HVPS   Part of Front cable  If incorrect  replace the cable  Harness Cable  assembly  If correct  replace the    engine board   Engine Board             Print Quality   Blank Page       FRU Action       1  Print Cartridge Check the print cartridge for any  signs of damage  especially the PC  drum contact on the cartridge              Diagnostic Information 2 92    4059 XXX    FRU    Action       2   High Voltage Contact    Check the PC drum contact on the  right side
100. agnostic Information 2 50    4059 XXX  Fuser Envelope Conditioner Solenoid Service Check    The fuser solenoid is in models 3455  2455  2450  2420  1855   1650  1625 and 1620 and the World Trade printer model 2450     Service Tip  Try changing the envelope enhance level setting  A  different setting may correct the problem     Note  The level   fuser board uses  42 V dc which is derived from  the LVPS via the interconnect board  J1  and the envelope  conditioner cable  The solenoid is controlled by logic located on the  engine board  The level Il fuser board does not use the  42 V dc and  receives control for the solenoid from logic located on the engine  board  A level Il engine board can be used with a level   fuser board  provided that the jumpers at JP 1 and JP 2 are correctly positioned  as described in configuration 2  If the jumpers are not correctly  positioned on the engine board  damage can result to the fuser  board     Engine Board Jumper Configurations    Refer to the    Fuser Board  on page 5 11   Level 1 Engine Board    on  page 5 9 and  Level 2 Engine Board  on page 5 10 to identify the  level boards installed in your printer     1  A level   fuser board and a level   engine board require     envelope conditioner cable and no jumpers on the engine  board    2  A level   fuser board and level Il engine board require jumpers at  locations JP1 2 to JP1 3 and JP2 2 to JP2 3 on the engine  board        A level Il fuser board and level Il engine board require jumper
101. ame mounting screws  B  and remove  the right side frame     ar Go           B  102           A  102  B 104 B  102     4 57 4059 Service Manual    4059 XXX  Smart Cartridge Contacts    1  Remove the upper front cover    2  Release tab  A  and remove the contact cover    3  Remove the contact plunger  B     4  Remove the two screws  C  and remove the contacts  D               Repair Information 4 58    4059 XXX  Toner Sensor    1  Remove the right side cover     2  Remove the toner sensor mounting screw  A   Disconnect the  toner sensor cable and remove the toner sensor        A  102     4 59 4059 Service Manual    4059 XXX  Transfer Roll Assembly    1  Open the upper front cover and remove the print cartridge    2  Pivot the transfer roll assembly toward the front of the printer    3  Unsnap the transfer roll assembly from the left and right pivot  arms and remove the transfer roll assembly     Upper Paper Deflector Assembly    1  Open the multipurpose tray and remove the tray from the two  mounting posts  Be careful not to lose the O ring on the right  mounting post     2  Gently release the upper deflector assembly latch from its  mounting on the right side frame and slide to the right     3  Remove the upper deflector assembly     Repair Information 4 60    4059 XXX  Upper Front Cover Hinge Assembly    1   2   3     Remove the upper front cover    Remove the laser assembly cover    Remove the C clips  A  from the upper front cover hinge  assembly left and right hinge pins 
102. and remove the pins  Note  the pin orientation and the C clip location on the inside of each  hinge       Detach the two springs  B  from the upper front cover hinges     Disconnect the operator panel cable from the operator panel  assembly    Raise the upper front cover hinge assembly to a position that  lets you lift the left pivot arm from the mounting bracket  C     Lift the left pivot arm from the bracket and move the upper cover  hinge assembly toward the left to clear the right upper cover  pivot arm from the mounting bracket    Remove the upper front cover hinge assembly                          4 61 4059 Service Manual    4059 XXX  Upper Front Cover Interlock Switch Assembly    1  Remove the upper front cover   2  Remove the operator panel    3   4    Remove the inner EMC shield       Press the retaining tabs  A  and remove the interlock switch  assembly      Note the routing of the interlock switch assembly cable and  disconnect the cable at connector J4 on the engine board        Repair Information 4 62    4059 XXX  5  Connector Locations    Low Voltage Power Supply                                                             Connector Pin No  Signal          Interconnect 1  5 V dc   poe 2   5 V de  3 Ground  4 Ground  5 Ground  6 Ground  7  24 V dc  8  24 V dc  9 Heat on  10  5 Vdc  11  5 Vdc  12 Ground  13 Ground  14 Ground  15 Ground  16  24 V dc  17 ZC Out   18  42 V dc             5 1 4059 Service Manual       4059 XXX    POWER SUPPLY BOARD       4059 XXX    Hi
103. and run the print test     Some slick or coated papers may also cause background  Some    problems occur with printers that run a large amount of graphics in a    humid environment  The customer may try to improve the print  quality by increasing the transfer setting     Diagnostic Information 2 96       4059 XXX       FRU    Action       1   Erase Lamp Lens  Assembly    Check the erase lamp lens for any  signs of toner  paper dust or other  types of contamination  Clean the  lens with a soft dry cloth if  necessary  If unable to clean the  contamination off the lens  replace  the lens and lamp assembly  Check  the erase lamp assembly  Use the  same procedure as outlined in the     Erase Lamp Service Check    on  page 2 46        2   Printhead    The printhead on the Optra S  printers cannot be cleaned  Try  another printhead if all other  attempts fail to correct a background  problem        3   Transfer Roll Assembly    Check the high voltage contact from  the HVPS to the transfer roll  Check  the transfer arm assembly right side  bearing for any signs of  contamination  pitting or a loose  cable to the bearing  If any problems  are found  replace the defective part   Check the transfer roll shaft for any  signs of contamination  wear or  pitting on the ends of the shaft that  go into the bearings  If a problem is  found  clean the ends of the shaft or  replace the transfer roll assembly        4   High Voltage Contacts             Check the high voltage contacts on  the ri
104. apacity feeder tray     Service Tip  Check the other paper sources to be sure they are  operating correctly     2 61 4059 Service Manual    4059 XXX    The base printer does not recognize that the high capacity input  tray is installed           FRU Action   1   High Capacity Feeder Check the high capacity feeder input  Autoconnect Mechanical tray autoconnect to make sure it is  Check mounted correctly and is not pushed    down into the frame assembly or  damaged  Be sure the high capacity  feeder input tray autoconnect is  properly connected to the high  capacity feeder tray option board       assembly   2  Base Printer or option Check the option or base printer  mounted above autoconnect for signs of damage     Repair the high capacity option  autoconnect as necessary        3  14 Pin HCIT Flex Cable Check the 14 pin flexible cable to be  sure it is installed correctly and  properly seated in the connectors on  both boards  Check the cable for  damage  Repair or replace as  necessary              Diagnostic Information 2 62    4059 XXX    FRU    Action       5   High Capacity Feeder  Option Control Board             Check the voltage on J8 1  green    The voltage measures  24 V dc  If  incorrect  check the autoconnect  system for any problems   24 V dc  must come from the base printer  through the autoconnect system to  the high capacity input for the high  capacity feeder to be recognized  If  the voltage is correct  check the  voltages at J11 3 red  and J11               
105. aper may still be over the sensor or  the flag is still activated           Diagnostic Information 2 8    4059 XXX                                        Status     Bytes 1  2 3 Explanation   84 xx OD Paper Tray 4 pass thru sensor is not activated and never  deactivated  A sheet of paper may still be over the sensor or  the flag is still activated    84 xx      Paper Tray 3 pass thru sensor is not activated and never  deactivated  A sheet of paper may still be over the sensor or  the flag is still activated    84 xx OF Paper Tray 2 pass thru sensor is not activated and never  deactivated  A sheet of paper may still be over the sensor    84 xx 11 The paper activated the input sensor too soon    84 xx 13 The paper activated the input sensor too soon    84 xx 1D The envelope feeder pass thru sensor is activated and never  deactivated    84 xx 1E The envelope feeder pass thru sensor is not activated    84 xx 1F The paper fed too early from Tray 1    84 xx 21 The smart option did not pick the paper    84 xx 22 The smart option did not pick the paper    8E xx 02 The input sensor is not activated even though the paper is  picked from the source    8E xx 0B The autocompensator DC motor stalls when attempting to  pick a sheet of paper    8E xx 11 The autocompensator DC motor takes too long to ramp up           2 9 4059 Service Manual       4059 XXX    Envelope Feeder Sub Error Codes    Status byte 1 contains the most valuable information to help isolate a  feed problem with the envelo
106. aracter  sticas de seguridad de algunas piezas no sean  siempre evidentes  Lexmark no se hace responsable del uso de  otras piezas de recambio      La informaci  n sobre el mantenimiento de este producto est    dirigida exclusivamente al personal cualificado de  mantenimiento    e Existe mayor riesgo de descarga el  ctrica y de da  os  personales durante el desmontaje y la reparaci  n de la  m  quina  El personal cualificado debe ser consciente de este  peligro y tomar las precauciones necesarias        Informacoes de Seguranca      Este produto foi concebido  testado e aprovado para satisfazer  os padr  es globais de seguran  a na utiliza    o de componentes  espec  ficos da Lexmark  As fun    es de seguran  a de alguns  dos componentes podem nao ser sempre   bvias  A Lexmark  nao    respons  vel pela utiliza    o de outros componentes de  substitui    o      As informa    es de seguran  a relativas a este produto  destinam se a profissionais destes servi  os e n  o devem ser  utilizadas por outras pessoas    e Risco de choques el  ctricos e ferimentos graves durante a  desmontagem e manuten    o deste produto  Os profissionais  destes servi  os devem estar avisados deste facto e tomar os  cuidados necess  rios     xix 4059 Service Manual    4059 XXX       Informacio de Seguretat      Aquest producte est   dissenyat  comprovat i aprovat per tal  d acomplir les estrictes normes de seguretat globals amb la  utililitzaci   de components espec  fics de Lexmark  Les  caracter  st
107. ator turns on solid     3 7 4059 Service Manual    4059 XXX       Error Log    Viewing the Error Log    The error log is helpful to the servicer by providing a history of  printer errors  The error log contains the 12 most recent errors that  have occurred on the printer  The most recent error displays in  position 1 and the oldest error displays in position 12  if 12 errors  have occurred   If an error occurs after the log is full  the oldest error  is discarded  Identical errors in consecutive positions in the log are  entered  All 2xx and 9xx error messages are stored in the error log     To view the Error Log     1  Select Display Log from the Error Log menu         The Error log displays on 3 screens as only 4 entries display  at a time     2  To move to the next screen press Menu gt  to move forward or   lt Menu to move backward     3  Press Return Stop to exit the Error Log   Clearing the Error Log  To clear the Error Log     1  Select Clear Log from the Error Log menu     2  Select  YES  to clear the Error Log or  NO  to exit the Clear Log  menu         If  YES  is selected  the Empty Error Log displays on the  Screen     3  Press Return Stop to exit the Clear Log menu     Diagnostic Aids 3 8    4059 XXX       Hardware Tests    The following Hardware Tests can be selected from this menu     LCD Test   Button Test   DRAM Memory Test   ROM Memory Test  Parallel Wrap  if available   Serial Wrap  if available   Serial 1 Wrap  if available   Serial 3 Wrap  if available    
108. ays when the duplex front  access cover is not installed        Close Duplex Rear Door          This message displays when the duplex rear door  is open        2 23 4059 Service Manual       4059 XXX  Power On Self Test  POST     When you turn the printer On  it performs a Power On Self Test   Check for correct POST functioning of the base printer by observing  the following     1   2     3      Performing Self Test  appears on the display             10   11   12     13     The LED comes on    The operator panel displays one and a half row of pels  then  clears    Diamonds scroll across the display  then clear         The 2000 sheet high capacity option elevator tray moves to  the uppermost position if installed        The duplex option is checked if installed        The output expander option exit rollers turn if installed          Busy    appears on the display     The fuser lamp turns on  The fuser takes longer to warm up    from a cold start than a warm start       The main fan turns on     The main drive motor turns on     The developer drive assembly drives the developer shaft in the    toner cartridge    The exit rollers turn    The operator panel LED starts blinking    Models 2420  2450 2455 and 3455 only   The auxiliary fan turns  on and continues to run until the printer is powered off    Ready  appears on the display     Diagnostic Information 2 24    4059 XXX  Symptom Tables    Symptom Table   Base Printer       Symptom    Action       Auxiliary Fan  2420 2450 24
109. ble  If the  cable measures continuity  check the  voltage at CN3 18 on the LVPS  The  voltage measures approximately   42 V dc  If the voltage is correct   replace the interconnect board  assembly  If the voltage is incorrect   replace the LVPS        4   Fuser DC Cable  Engine  Board to Fuser Board Cable   Engine Board          2 53 4059 Service Manual       Check for continuity of the DC fuser  cable that is attached between J2 on  the engine board and J1 on the fuser  control board  If the cable does not  measure continuity  replace the cable   If the cable measures continuity     replace the engine board        4059 XXX  Configuration 2    A level   fuser board and level      engine board are installed in  configuration 2     Note  Check the fuser envelope conditioner solenoid adjustment as  described in the adjustment section    Fuser Solenoid Adjustment  on  page 4 3     FRU Action       1   Engine Board Jumpers Check to make sure a jumper is  installed between JP1 2 and JP1 3  and also between JP2 2 and JP2 3 on  the engine board    Note  If the jumpers are not in the  correct position on the engine board   damage can result to the fuser board        2   Fuser Envelope Conditioner   The operation of the fuser solenoid  Solenoid can be observed by removing the  redrive assembly  Check for proper  mechanical operation of the solenoid  and associated hardware  link and so  on  If correct  check the resistance of  the solenoid between J4 1 and J4 2   The resistance measur
110. board  Turn the printer on  and check the voltage at J3 3 on the  system board  The voltage  measures approximately  5 V dc  If  incorrect  replace the envelope  system board  If correct  replace the  input sensor assembly              Diagnostic Information 2 42    4059 XXX  990 Service Error  Envelopes fail to feed from the hopper        FRU Action       1   D C  Feed Motor Assembly Check the motor and motor cable for  any signs of loose wires or poor  connections  Check to make sure  the motor cable is connected to the  envelope system board        2   Envelope Feeder System Check the voltage on J4 1  The  Board voltage measures approximately   24 V dc  If incorrect  replace the  envelope system board  if correct   measure the voltage at J4 6  The  voltage measures approximately   5 V       If incorrect  disconnect J4  and measure the voltage again  If  incorrect  replace the envelope  feeder system board  If correct   replace the D C  motor assembly                    260 Paper Jam displays  unable to clear and envelopes fail to feed  from the hopper  Kick rolls ARE NOT rotating           FRU Action  1  Main Drive Belt Check the belt for correct installation  and for signs of damage  Replace as  necessary   2   Gears Check all the gears for correct    installation and for signs of damage   Repair or replace parts as          necessary   3   Clutch Latch Assembly Check the clutch latch assembly to  make sure it moves freely   4   Master Cam Gear Master  Check the master ca
111. c  PSIZE2       Ground       PSIZE1        24 V dc       Ground  POUT        5 V dc       Oli ol      a  AJ           Paper Low                 5 V dc       J16 Staging Motor           Not used        J17 MPT Pick    MPT Pick   24 V de       J18 Auto Compensator     24 V de       N A       Ground       Ground  N A        5 V dc       J19 MPT Paper Out    Ground       POSENSE        5 V dc       J20 Interconnect Board    J21 Smart Cartridge   Model 3455 only        N A    N A    Scart             Scart Ground          Connector Locations 5 8    4059 XXX    Level 1 Engine Board                                                                                                                                                                                                                                                                      J1 1 Tisa T J4 1  set Ba 5 25  OQ             E     1    9     J10  1  J11  1  J12  1      O J13 J14  J15     1     J17   4  Q a  J16 J19  Q Q 1 1  Level 1    5 9 4059 Service Manual       4059 XXX  Level 2 Engine Board                                                                                                                                                                                                                                                          Ji Tessa    411 1           05  Q OF J  cc     H2O      42V dc     Test Point J10  4  J11  1  Je1   1  J12  1       J13 J14  J15  1 Wee     Q7 1  1     J19 118  O 1                       
112. cs and text  Pages two and three only contain  graphics  If duplex is turned On  the pages are duplexed  otherwise  the pages are printed on one side  The Print Quality Test pages  must always be printed on letter  legal or A4 paper     To run the Print Quality Test Pages       Turn the printer off      Press and hold Select and Return      Turn on the printer    Release the buttons once Performing the Self Test displays     The printer performs its normal POR cycle then print one copy  of the Print Quality Test pages  If you want more than one copy   perform these steps again                     3 23 4059 Service Manual    4059 XXX    The following is printed on page 1     Diagnostic EP Setup         fuser temperature  warm up time  transfer  print contrast and  charge roll settings     Contents of the Diagnostic Error Log   Printer configuration information       printer serial number  controller code level  engine code    level  operator panel code level  smart option code levels   font versions  and so on     Values for the Quality Menu settings used to print the pages     Printing Menu Settings Page    Note  This test page must be printed on letter  legal or A4 paper     To print the Menu Settings Page     1   2     Select the TESTS MENU   Select Print Menus from the TESTS MENU     The page contains the following information     A list of all the printer settings contained in the control panel  menus and their values    A list of the installed options and features such a
113. d                 Ground       J3 LVPS           Ground       Ground       Ground       Ground        5 V dc        5 V dc        5 V dc       Did OO      N     5 V dc       J4 Autoconnect Top          24 V dc        Model1620 1625   1650 1855 2420 2450     Ground       2455      5 V dc Fused                               Ground       Connector Locations 5 14    4059 XXX                                     Connector Pin No  Signal  J5 Autoconnect 1  24 V dc  BTM FNT   2 Ground  J6 Engine Board 1 N A  J7 Controller Board 1 N A  J8 ID 1 1 N A   2 N A  J9 ID 2 3 N A   4 N A  J10 10 3 5 N A   6 N A  J11 INA 1 1 N A   1250 1255   J12 INA 2 1 N A   1620 1625 1650   1855 2420   J13 INA 3 1 N A   2450 2455 3455                    Models 1250 and 1255    J8 J9 J10    1 3         4 6  10 1 10 2 10 3       5 15 4059 Service Manual    4059 XXX    Models 1620  1625  1650  1855  2420  2450  2455 and 3455      Models 1650  1855  and 2420 do not have connector J13      Models 1620 and 1625 have a jumper on J10 between the  center pin and pin 5      Model 1855 has a jumper on J8 between the center pin and pin  2  on J9 between the center pin and pin 4 and on J10 between  the center pin and pin 5      Models 2420  2450 and 2455 have a jumper on J8 between the  center pin and pin 2 and a jumper on J9 between the center pin  and pin 3      Model 3455 has a jumper on J8 between the center pin and pin  1 and on J9 between the center pin and pin 1        11 1  DIR                              J6   
114. d Test    Note  If the  Configure Bins  printer setting is link rather than  mailbox  the printer selects its own internal bin linking regardless of  which output bin is selected for the feed test    This test is to verify that media can be fed to a specific output bin  No  information is printed on the media because the printhead is not  turned on during this test     To run the Output Bin Feed Test     1  Select Feed Test from the Output Bin Test menu     2  Select the output bin you want the paper to exit into  All output  bins installed on the printer are shown on the feed test menu     3  Select either Single  one sheet of media feeds to the selected  output bin  or Continuous  media continues feeding to the  selected output bin  until Return Stop is pressed     4  Press Return Stop to exit the test     3 15 4059 Service Manual    4059 XXX  Output Bin Sensor Test    This test is used to verify if the output bin sensors are working  correctly     To run the Output Bin Sensor Test     1  Select Sensor Test from the Output Bin Test menu        Output Bin Full OP Input OP  message displays       Full   Output Bins Full Sensor      Pass   Output Bins Pass Thru Sensor    2  Once the message displays  the servicer can manually actuate  each of the output bin sensors  The bin full sensor can be  actuated by hand  however a sheet of paper can be used to  cover the bin s pass thru sensor  When the sensor is closed CL  displays  and when the sensor is open OP displays     3  Press 
115. d is replaced because  this board contains the printer s NVRAM Memory where the page  count is stored     To set the Page Count     1     4   5     Select Page Count from the diagnostic menu        The current page count displays        The leftmost digit blinks  indicating it is the first digit to be  changed    Press either Menu gt  or  lt Menu until the value you want displays    Press Select to move to the next digit  press Menu gt  or  lt Menu   until the value you want displays  Continue with each digit until   you set the page count  You can skip any digit by pressing   Select    Press Select to save the new page count in NVRAM     Press Return Stop to exit the diagnostic menu     Viewing the Permanent Page Count    The Permanent Page Count can only be viewed and cannot be  changed     To view the Permanent Page Count     1   2     Select Permanent Page Count from the menu   Press Return Stop to exit the diagnostic menu     3 19 4059 Service Manual    4059 XXX  Maintenance Page Count  2420 2450 2455 3455     This counter is reset by the servicer after a    80 Scheduled  Maintenance    message displays  250K copies  and a maintenance  kit is installed     To view the Maintenance Page Count     1  Select Maintenance Count Value from the diagnostic menu   2  Press Return to go to the previous menu     To reset the Maintenance Page Count to zero     1  Select Reset Maintenance Count  Pressing Select causes the  maintenance page counter to reset to zero       Reset Maintena
116. dc  Green  approximately  12 Vd    J1 1  J1 2  J1 3  J1 4  White  approximately  12 V dc    p    If any of the voltages are incorrect   disconnect the motor and measure the  resistance between pin J1 1 to J1 3 and J1   2 and J1 4  The resistance measures  between 10 and 15 ohms  If incorrect   replace the motor  If correct  replace the  high capacity feeder control board        2 69 4059 Service Manual       4059 XXX    Paper size switch not selecting paper size that is selected        FRU    Action       1   Paper Size Switch  High Capacity Feeder  Option Control Board          Check for continuity between the  common pin  J5 1  and the pin of the  paper size selected     5 1  Black   Common Lead   5 2  Blue B5   5 3  Green  Executive   5 4  Yellow  A4  e 5  Orange  Letter  J5 6  Red  Legal  J5 7  Brown  A5   If any position does not measure  continuity when selected  replace  the paper size switch assembly  If  the switch assembly is operating  correctly  replace the high capacity  feeder option control board        24X Paper Jam Check Tray X Message displays when Tray X is  empty  No Tray X Message displays        FRU    Action       1   High Capacity Feeder  Option Control Board    Check the voltages on the board at  J4 1 red  and J4 3  blue   The  voltages measure approximately   5 V dc  If incorrect  disconnect J4  from the board and measure the  voltages again  If incorrect  replace  the high capacity feeder option  control board        2  Elevator Top Optical  Sensor 
117. de displays when the printer detects  an unformatted disk at power on  Press Go to  clear the message  The disk is marked as bad  and normal operation continues  Disk operations  are not allowed until the disk is formatted        2 19 4059 Service Manual       4059 XXX    User Error Message    Explanation       80 Scheduled  Maintenance    The operator panel displays this message at each  250K page count interval  It is necessary to  replace the fuser assembly  transfer roller   compensator pick rolls and charge roll at this  interval to maintain the print quality and reliability  of the printer  The parts are available as a  maintenance kit  For more information  go to     Scheduled Maintenance  2420 2450 2455   3455     on page 6 2        81 Engine Code CRC  Failure    This error displays when the microcode to be  programmed in the engine flash code module has  failed a CRC check  Press Go to clear the  message  The microcode data is discarded and  must be re transmitted from the host computer        88 Toner Low          This error displays when toner low occurs and the  toner low alarm is activated  Press Go to clear  this message        User Line 2 Messages    If none of the conditions exist that are listed in the following table   line 2 is blank  If any of the messages in the table are displayed the  following actions can be taken     Press Menu gt  or  lt Menu to take the printer offline and access the    Ready Menu group     Note  The Menu buttons are not active if M
118. dex  Number Units   Description   5 1 99A0075 1 Screw  Socket Set M4X5 mm  1250 1255 1650 1620 2420 1855 1625   5 2 99A0071 1 Arm Assembly  MPT  1620 1650 1250 1255 2420 1855 1625   5 3 99A0076 1 Pick Roll Assembly  1250 1255 1620 1650 2420 1855 1625   5 4 99A0081 1 Spring Assembly  Separator  1620 1650 1250 1255 2420 1855 1625   5 5 99A0083 1 MPT Pad Assembly Kit  o Restraint Pad  o MPT Pad Assembly  1250 1255 1620 1650 2420 1855 1625   5 6 99A0077 1 Deflector Assembly  MPT  1620 1650 1250 1255 2420 1855 1625   5 7 99A0080 1 Deflector  Lower   5 8 2 Screw  Lower Deflector Mounting 8 mm  PP 99A0263 2450   5 8 2 Screw  Lower Deflector Mounting 12mm  PP 99A0263  1250 1255 1620 1650 2420 1855 1625   5 9 99A0021 1 O Ring  Lower Front Door   5 10 99A0084 1 Flag  MPT Paper Out  1250 1255 1650 1620 2420 1855 1625   5 11 99A0082 1 Plate Assembly  MPT  1620 1650 1250 1255 2420 1855 1625   5 12 99A0078 1 Sensor  MPT Paper Out  1250 1255 1620 1650 2420 1855 1625   5 13 99A0073 2 Screw  Damper  1620 1650 1250 1255 2420 1855 1625   5 14 1 Screw  Frame Mounting  PP 99A0263  1620 1650 1250 1255 2420 1855 1625   NS 2 Clip  Pick Roll Shaft PP 99A0267   5 15 99A0072 1 Solenoid  MPT  Frame   1620 1650 1250 1255 2420 1855 1625   5 16 99A0074 2 Bushing  Pick Roll Shaft  1250 1255 1620 1650 2420 1855 1625                   Parts Catalog 7 15    4059 XXX    Assembly 6  Paper Feed   Alignment             7 16 4059 Service Manual    4059 XXX                   e EDS Units   Description   6 1 99A0089 1
119. e Machine Class ID the printer  may be allowed to print pages during this 10 20  second interval  If pages are allowed to print  then  they are not reprinted once a good print cartridge  is inserted  This error message also displays ona  model 3455 printer if the smart cartridge or smart  cartridge hardware is not operating correctly  Try  another model 3455 print cartridge  If this does  not fix the problem  go to    Smart Cartridge  Service Check    on page 2 102        34 Short Paper          The printer determines the paper length is too  short to print the formatted data  This occurs  when the printer does not know the actual paper  size loaded in the tray  For auto size sensing  trays  this error occurs if the paper stop is in the  incorrect position  Make sure the Paper Size  setting is correct for the size paper that is being  used        2 17 4059 Service Manual       4059 XXX    User Error Message    Explanation       36 Resolution Reduced    The resolution of the page has been reduced  from 600 dpi to 300 dpi in order to prevent a  Memory Full error  This message can only occur if  the Resolution Reduction setting is turned on     Note  1200 dpi pages are not resolution reduced   If a 1200 dpi job runs out of memory  a Memory  Full error is displayed        37 Insufficient Collation  Memory    This message is displayed when the printer  memory used to store pages is too full to collate  the print job        38 Memory Full    This message is displayed when the print
120. e of  the printer  The ground connection is automatically made when the  option is installed below the printer     The paper input sensor is located in the rear of the duplex unit under  the input paper guide  The rear cover open switch is located on the  rear cover assembly  The paper exit sensor is located on the left  frame assembly  The jam removal tray open switch is located at the  end of the left frame assembly  There are no switches in the level 2  duplex option     Option Microcode    The options are    Smart Options    or options that have a system  board  The option system board has a microprocessor that controls  the option mechanism  A software architecture is provided that  controls the option and communicates information such as paper  path status  sensor or switch status  motor status and so on to the  base printer        Fuser Operation    The fuser in the Optra S printers is made up of two primary  assemblies  The first assembly is the top fuser cover which contains  the thermistor cable  thermal fuse  cable assembly  left and right  lamp brackets and cover  This is a complete assembly and the parts  cannot be individually replaced as in previous Lexmark laser  printers     The thermal fuse protects the fuser assembly from overheating or  problems with the fuser lamp by opening the ac circuit to the lamp   The thermistor assembly is designed to keep the temperature of the  fuser hot roll within a predetermined temperature by being in contact  with the fuser 
121. e output expander  options then the base printer autoconnect system is operating  correctly and the problem is in the unrecognized expander option     2 79 4059 Service Manual    4059 XXX       FRU Action       1   Output Expander Option Make sure the output expander  option is the only option that is not  recognized by the base printer  If the  output expander is the only option  not recognized by the printer   continue with step 2  If not  check the  autoconnects of the options not  recognized and the interconnect  board and cable connections        2   Output Expander Assembly Check the autoconnects for damage    Mechanical Linkage especially the connector pins   Remove the left and right side  covers  Remove the front control  board cover  Check the cables at  J1A  J1B  J2A and J2B on the  control board to make sure they are  attached securely and correctly   Remove the output expander and  check the voltages on the output bin  autoconnect located on the top left  rear of the printer  Go to     Autoconnect   Top    on page 5 21  If  the voltages are correct  reinstall the  output expander unit and check the  voltages at J1A and J1B on the  connector  If correct  replace the  output expander control board  If  incorrect  replace the output  expander assembly mechanical  linkage              Diagnostic Information 2 80    4059 XXX    202 Paper Jam Open Rear Door Message displays  A sheet of  paper is jammed prior to the pass through sensor flag   202 Paper Jam Open Rear Doo
122. e per l utilizzo di parti di ricambio di altri produttori      Le informazioni riguardanti la manutenzione di questo prodotto  sono indirizzate soltanto al personale di assistenza autorizzato      Durante lo smontaggio e la manutenzione di questo prodotto  il  rischio di subire scosse elettriche e danni alla persona    pi    elevato       personale di assistenza autorizzato  deve  quindi   adottare le precauzioni necessarie        Sicherheitshinweise      Dieses Produkt und die zugeh  rigen Komponenten wurden  entworfen und getestet  um beim Einsatz die weltweit g  ltigen  Sicherheitsanforderungen zu erf  llen  Die sicherheitsrelevanten  Funktionen der Bauteile und Optionen sind nicht immer  offensichtlich  Sofern Teile eingesetzt werden  die nicht von  Lexmark sind  wird von Lexmark keinerlei Verantwortung oder  Haftung f  r dieses Produkt   bernommen      Die Wartungsinformationen f  r dieses Produkt sind  ausschlieBlich f  r die Verwendung durch einen  Wartungsfachmann bestimmt      Wahrend des Auseinandernehmens und der Wartung des  Ger  ts besteht ein zus  tzliches Risiko eines elektrischen  Schlags und k  rperlicher Verletzung  Das zust  ndige    Notices and Safety Information xviii    4059 XXX    Fachpersonal sollte entsprechende VorsichtsmaBnahmen  treffen        Pautas de Seguridad    e Este producto se ha dise  ado  verificado y aprobado para  cumplir los m  s estrictos est  ndares de seguridad global  usando los componentes espec  ficos de Lexmark  Puede que  las c
123. e sensor flag  because it is located under the front  cover  Be careful not to damage the  flag     If the test fails  check the flag for any  signs of damage or binds  If  incorrect  replace the flag  If the flag  is operating correctly  check the  voltage at J3 3  The voltage  measures approximately  5 V dc  If  incorrect  replace the envelope  System board  If correct  check the  voltage at J3 2  The voltage changes  from 0 to  5 V dc when the flag is  moved in and out of the sensor  If  incorrect  replace the sensor  assembly  If this does not fix the  problem  replace the envelope  System board        2 41 4059 Service Manual       4059 XXX    Operator panel displays 260 Paper Jam after attempted feed but  before envelopes are put in the hopper OR the operator panel  continues to display  Load Envelopes  after envelopes are placed  in the hopper     Service Tip  The kick rolls rotate during the attempted feed cycles           FRU Action  1   Envelope Out Hopper Check the envelope out sensor flag  Sensor Flag for damage  correct installation and    operation  If incorrect  repair or  replace the flag        2   Envelope Out Hopper Input Check the sensor to make sure it is   Sensor installed correctly and the sensor  cable is properly connected to the  envelope system board  If correct   perform the Envelope Feed Sensor  Test to check both the sensor and  flag  If the test fails  remove any  envelopes in the hopper  turn the  printer off and disconnect J3 from  the system 
124. eck the sensor flag for proper  Assembly operation  If correct  check to  Control Board make sure the pass thru sensor    cable is correctly connected to J3  on the control board  Disconnect  the pass thru sensor cable from J3  on the control board and check  the voltage at J3 3  The voltage  measures approximately  5 V dc   If incorrect  replace the control  board  If correct  check the voltage  at J3 2  The voltage measures  approximately 0 V dc  If incorrect   replace the sensor assembly  If  this does not fix the problem   replace the control board                    271 Paper Jam   Check Bin X  POST Complete  First Sheet of paper  feeds into Output Bin X     Note  Before performing the following checks run the Output Bin X  Sensor Test and check for the failing sensor     Sensor Test  NF   Near Full  Upper part of sensor assembly   F   Full  Lower Part of sensor assembly   P   Pass Thru Sensor    Diagnostic Information 2 84    4059 XXX  990 Service   BIN X       FRU    Action       1   D C  Motor  Mechanical Linkage  Assembly  Level 2     Check the DC motor cable  connector to be sure it is correctly  installed at J4 on the output  expander option board  Go to   Output Expander Control Board    Level 2 DC Motor  on page 5 24   If correct  disconnect J4 from the  option board and check the  resistance of the motor on the  cable connector  J4 1 to J4 2   measures between 115 and 135  ohms  Also check J4 1 and J4 2 to  the motor case for shorts  If either  the resistance is
125. eed E          3 17  Pim PSO SI                  Roda e Ale ea      Sc dcn 3 18  Piel SED  2   rg ebe   r dee 3 19  Setting the Page Count eee 3 19  Viewing the Permanent Page Count                 3 19  Maintenance Page Count  2420 2450 2455 3455        3 20  Setting Configuration ID             m 3 20  Restore EP Factory                                      3 21    iv 4059 Service Manual    4059 XXX    Print Tests   ne er             EE  Print Quality Test Pages                            EM  Printing Menu Settings Page   DERE ESSO SUAM  EERE AERE   Autocompensator Operation                    dae S29   Autoconnect System  Paper Tray Options  Envelope Feeder and   Output Expander        AGELESS OL Rome eas        Fuser Operation    LAU LPOG ADE             e   Paper Feed Jams   ee ee d Se wur dre ee eee    Repair Information              T TEN TUTTI das 4 1   Handling ESD Sensitive Parts boue bd pus ded dpa dS 4 1   Adjustment Procedures        OT EX Lex        4 2  Duplex Motor Drive Belts                             42  Fuser Solenoid Adjustment       bic spine     Im     4 3  Gap Adjustment                                   4 3  Printhead Assembly Adjustment        EEN eer 4 4  Paper Alignment Assembly Adjustment                 45   Screw Identification Table          EE           4 7   Removal                                                     4 12  Covers         ee eu dde T Popes aactor 2    4 12  Center Pan Assembly  p prp 4 18  Controller Board i a RR  bag dn 2   
126. eft Panel 1650 1855 2420   1 14 99A0019 1 Door  Left Panel 1250 1255 1620 1625   1 14 99A0018 1 Door  Left Panel 2450 2455 3455   1 15 99A0296 1 Switch  Cover Open w Operator Panel Cable  Assembly   1 16 99A0003 1 Latch  Upper Cover   1 17 99A0013 1 Cover  Laser Assembly   NS 6 Screw  Laser Cover PP 99A0263   NS 99A0552 1 Cover Assembly  Redrive Cap   NS 99A0573 2 Nut  Front Spacer Mounting 2450 2455 3455   1 18 99A0550 1 Shield  ESD Cover Open   1 19 99A0031 1 Bracket  Cover Open Switch   1 20 99A0036 1 Spring  Cover Open Switch   1 21 2 Screws  Contact Mounting PP 99A0263   1 22 99A0814 1 Cable  Smart Cartridge 3455   1 23 99A0816 1 Contact  Smart Cartridge Ground 3455   1 24 99A0815 2 Contact  Smart Cartridge 3455   1 25 99A0817 1 Cover  Smart Cartridge Contact 3455   1 26 99A0834 1 Plunger  Overstress Smart Cartridge 3455   NS 99A0577 1 Cable Tie          Parts Catalog 7 5    4059 XXX  Assembly 2  Frame          7 6 4059 Service Manual    4059 XXX                   aie Ae Units   Description  2 1 99A0425 1 Support  Cross Brace  2 2 99A0463 1 Spacer  Front 2450 2455 3455  2 2 99A0464 1 Spacer  Front  1250 1255 1620 1650 2420 1855 1625  2 3 99A0033 1 Duct  Left Stacker 2450 2455 3455  2 3 99A0034 1 Duct  Left Stacker  1250 1620 1650 2420 1855 1625  2 4 99A0867 1 Duct  Main Body  2 5 99A0551 1 Support  Left Lower Stacker  2 6 99A0114 1 Duct  LVPS Left Side  2 7 99A0113 1 Pan  Drip ITC  2 8 99A0045 2 Latch  Cartridge Assembly  2 9 99A0039 2 Roller  Developer Support  2 10 99A
127. emove the five upper front cover mounting screws  A  and  remove the cover     A  323        4 17 4059 Service Manual    4059 XXX  Laser Assembly Cover    Remove the left door      Remove the left cover      Remove the right cover      Remove the rear paper deflector      Press the fuser wiper cover latch and remove the cover       Remove the paper full sensor flag assembly from the mounting  bracket     oo Ek                7  Remove the five screws  A  mounting the laser assembly cover  and remove the cover           Center Pan Assembly    1  Remove the left and right side frames   2  Remove the pan assembly     Repair Information 4 18    4059 XXX  Controller Board    1   2   3     Remove the inner EMC shield     Remove the controller board mounting screws  A     Remove the two controller board parallel port mounting screws   B     Remove the serial port mounting screws if present    Remove the controller board        B  321      202     4 19 4059 Service Manual    4059 XXX  Developer Drive Assembly    1  Remove the inner EMC shield    2  Remove the three developer drive assembly mounting screws   A     3  Remove the developer drive assembly     Note  Be sure the developer drive assembly wheel aligns with the  hub on the main drive assembly when reinstalling the assembly     A  102        Repair Information 4 20    4059 XXX  Duplex Board    1   2   3     4     Lift the base printer from the duplex assembly    Remove the four duplex board cover mounting screws    Gently disc
128. en  laserprodukt van klasse     Voor de Verenigde Staten zijn deze eisen  vastgelegd in DHHS 21 CFR Subchapter J  voor andere landen in  IEC 825     Laserprodukten van klasse   worden niet als ongevaarlijk  aangemerkt  De printer is voorzien van een laser van klasse IIIb   3b   dat wil zeggen een gallium arsenide laser van 5 milliwatt met  een golflengte van 770 795 nanometer  Het lasergedeelte en de  printer zijn zo ontworpen dat bij normaal gebruik  bij onderhoud of  reparatie conform de voorschriften  nooit blootstelling mogelijk is  aan laserstraling boven een niveau zoals voorgeschreven is voor  klasse 1     xiii 4059 Service Manual    4059 XXX       Lasermeddelelse    Printeren er godkendt som et Klasse l laserprodukt  i  overenstemmelse med kravene i IEC 825     Klasse l laserprodukter betragtes ikke som farlige  Printeren  indeholder internt en Klasse IIIB  3b  laser  der nominelt er en 5  milliwatt galliumarsenid laser  som arbejder p   belgelaengdeomr  det  770 795 nanometer  Lasersystemet og printeren er udformet  s  ledes  at mennesker aldrig udsaettes for en laserstr  ling over  Klasse I niveau ved normal drift  brugervedligeholdelse eller  obligatoriske servicebetingelser        Huomautus laserlaitteesta             kirjoitin on Yhdysvalloissa luokan    1  laserlaitteiden DHHS  21 CFR Subchapter J  m    rityksen mukainen ja muualla luokan    laserlaitteiden        825  m    rityksen mukainen     Luokan   laserlaitteiden ei katsota olevan vaarallisia k  ytt  j  l
129. enu Lockout is turned    on     Press Stop to take the printer offline  The Not Ready message is  displayed  No more data is processed from the host computer  Press  the Go button to return the printer to the Ready state     Diagnostic Information 2 20       4059 XXX       User Message    Explanation       Toner Low    If the toner cartridge is low  then    Toner Low     displays  The Toner Low condition clears  whenever the upper front door is opened  and  Toner Low displays again if the condition exists  after the upper front door is closed        Tray X Missing    Tray X Empty    If any of the input trays are missing  then    Tray X  Missing    displays  where X designates which Tray   1 through 5  is missing  If multiple trays are  missing  they are prioritized in this order  Tray 1   2     then tray 5  Tray X Missing status clears  whenever Tray X is reinserted     If any of the input trays are empty  then  Tray X  Empty  displays where X designates which tray   Tray 1 through 5  is empty  If multiple trays are  empty  then they are prioritized in this order  Tray  5  Tray 4    Tray 1     Note  Tray X Empty status clears whenever Tray  X is removed  When Tray X is reinserted  it is  examined and the appropriate status  if any   displays  Also note that Empty status is not  displayed for the Envelope Feeder or  Multipurpose Feeder        Tray X Low          If any of the input trays are low  then  Tray X Low   displays where X designates which tray  1  through 5  displays
130. er  memory used to store pages is full        39 Complex Page    51 Defective Flash    This message is displayed when the page is too  complex to print     This message is displayed when the printer  detects a defective flash  This error may occur at  power on  or during flash format and write  operations  Press Go to clear the message  The  flash is marked as bad and normal operation  continues  Flash operations are not allowed until  the problem is resolved        52 Flash Full    This message is displayed when there is not  enough free space in the flash memory to hold  the resources that have been requested to be  written to flash        53 Unformatted Flash    54 Standard Serial Error    This message is displayed when the printer  detects an unformatted flash at power on  Press  Go to clear the message  The flash is marked as  bad and normal operation continues  Flash  operations are not allowed until the flash is  formatted     This error is displayed when a serial error   framing or parity  is detected on the standard  serial port  This usually indicates the serial port is  not set up correctly        54 Serial Option X Error          This error is displayed when a serial error   framing or parity  is detected on the optional  serial port  This usually indicates the optional  serial port is not set up correctly        Diagnostic Information 2 18       4059 XXX    User Error Message    Explanation       56 Standard Serial  Disabled    This error is displayed when data i
131. es between 5  ohms and 10 ohms  If the resistance is  incorrect  replace the solenoid  assembly        3   Fuser Control Board The solenoid receives power from the  fuser control board  The fuser control  board receives  42Vdc from the LVPS  via the interconnect board and  envelope conditioner cable  Check for  approximately  42 V dc at the    42 V dc test point on the fuser control  board  If the voltage is incorrect   replace the fuser control board                    Diagnostic Information 2 54    4059 XXX    FRU    Action       4   LVPS Interconnect Board  Envelope Conditioner Cable    Check the  42 V dc test point on the  fuser control board  If the voltage is  incorrect  check the continuity of the  envelope conditioner cable  If the  cable does not measure continuity   replace the cable  If the cable  measures continuity  check the  voltage at J1 2 on the interconnect  board  The voltage measures  approximately  42 V dc  If incorrect   check the voltage at CN3 18 on the  LVPS  It measures approximately   42 V dc  If incorrect  replace the  LVPS  If correct  replace the  interconnect board assembly        5   Fuser DC Cable  Engine  board to Fuser Board cable   Engine Board             Check for continuity of the DC fuser  cable that is attached between J2 on  the engine board and J1 on the fuser  control board  If the cable does not  measure continuity  replace the cable   If the cable measures continuity   replace the engine board        2 55 4059 Service Manual      
132. ex column indicates that the  part is procurable but is not pictured in the illustration     PP   Parts Packet  in the Description column indicates the part  is contained in a parts packet     INDENTURE  The indenture is marked by a series of dots  located before the parts description  The indenture indicates the  relationship of a part to the next higher assembly  For example     INDENTURE RELATIONSHIP OF PARTS    No dot  MAIN ASSEMBLY    One dot  o Detail parts of a main assembly    One dot  o Subassembly of the main assembly    Two dot  o o Detail part of a one dot subassembly   Two dot  o o Subassembly of a one dot subassembly    The Optra S laser printer is available in eleven models  The model  designations are as follows     1250  4059 121  1255  4059 125  1620  4059 162   1625  4059 165  1650  4059 160  1855  4059 185   2420  4059 242  2450  4059 240  2455  4059 245   1855   01  4059 185  3455  4059 345     The parts catalog uses the four digit model number to identify model  specific FRUs     Parts Catalog 7 1    4059 XXX    Assembly 1  Covers       7 2 4059 Service Manual    4059 XXX          erus NDS  Units   Description   1 1 99A0553 1 Support  Paper   1 2 99A0463 1 Spacer  Front 2450 2455 3455  1 2 99A0464 1 Spacer  Front    1620 1650 2420 1250 1255 1855 1625  1 3 99A0016 Cover  Fuser Wick Assembly  1 4 99A0004  NS    1 5 99A001 1    Spring  Latch  Screw  Right Side Cvr Mtg PP 99A0263    Cover  Right Side  1250 1620 1650 2420 1855 1625    Cover  Right Side 2450 2
133. f correct   check the cable for a short between  pins 1 and 2 on the cable  If  incorrect  replace the cable  If  correct  check the switch for a bent  or deformed actuator lever or  defective switch  If incorrect  replace  the switch        2 71 4059 Service Manual          4059 XXX  Excessive Noise or Vibration       FRU Action       1   Motor Plate Assembly Be sure the motor plate assembly  screws are tight  Be sure the motor  mounting screws are tight     2   Motor Drive Belt Check the belt to be sure it is not too  tight  The motor can be adjusted  while the motor is running for  minimum belt noise and optimum  performance     Note  If the belt is too tight a high  pitch noise results          Lead Screw Bearings If the bearings are worn or defective  the lead screw may  wobble   Be  sure the bearings and leadscrew are  operating properly with no binds        4   Idler Pulley Be sure the idler pulley is not  binding  worn or broken              Diagnostic Information 2 72    4059 XXX  Main Drive Service Check    Service Tip  Excessive gear or main drive assembly noise is usually  caused by a defective motor assembly or engine board     Service Tip  If there are equally spaced horizontal lines across the  page  go to    Print Quality   Evenly spaced horizontal lines or marks  on page 2 95     CAUTION  Whenever the gearbox assembly is removed from the  machine it must be handled very carefully  Do not allow any of the  gears to come in contact with any metal or other hard 
134. gh Voltage Power Supply       Connector    Pin No     Signal       CN1 Engine Board       1    Developer PWM        24 V      Return       Charge PWM        24 V dc IN       TX PWM       TX Enable       TX CUR PWM          Did                       nm       SVRO OUT                                                                            HAZ                LARNING  FOR  CONT TRUES PROTECTION AGATNST  FITE                                                                                                                         DEVELOPER         DEL          M   E E Wi E E          5 3 4059 Service Manual                TRANSFER          T500       4059 XXX  Engine Board       Connector Pin No  Signal       J1 Main Fan 1 Fan Stall       Ground       wo  N    Fan On       J2 Fuser Board           Exit Sns        Thump B        5 V dc  Thump A       Ground       Hrtherm       Thermgnd                   AJ Gol         Narrow Media       J3 Printhead  Mirror  Motor             24 V dc Return   24 V dc Return       ReFREQ       LOCKn       Start         24 V dc Return             AJ              24 V de       J4 Cover Closed Switch   1 Cover Closed       2 Ground       3  5 V dc                   Connector Locations 5 4    4059 XXX    Connector    Pin No     Signal       J5 Printhead           LENA   Ground       LAOJ        Ground       LASERPWM        5 V dc       Ground       Video        Qoo NI oO  ay  AJ OJN    Ground       E        Ground       J6 Output Level Sensor           
135. ght side frame to ensure they  are clean and not bent  deformed  or  pitted  If incorrect  replace the  contact        2 97 4059 Service Manual       4059 XXX    FRU       Action       5   Engine Board HVPS  Connector          Check the following voltages at J10  on the engine board  Measure the  voltages from J10 to printer ground     Printer Idle   J10 1 approximately 0 V dc  J10 2 approximately 4 V dc  J10 4 approximately 0 V dc    Printer Printing   J10 1 varies 0 V dc to  5 V dc  J10 2 varies 0 V dc to  4 V dc  J10 4 varies 0 V dc to  1 9 V dc    If J10 1 voltage is incorrect  check  the continuity of the front harness  cable  J10 1 line   If there is no  continuity  replace the harness  cable  If there is continuity  replace  the HVPS  If this does not correct the  problem  replace the engine board     If J10 2 voltage is incorrect or if the  voltage remains at 0 V dc  check the  continuity of the front harness cable   J10 2 line   If there is no continuity   replace the harness cable  If there is  continuity  replace the HVPS  If this  does not correct the problem   replace the engine board     If J10 4 voltage is incorrect  check  the front harness cable  J10 3 line    If there is not continuity  replace the  harness cable  If correct  replace the  engine board  if this does not correct  the problem  replace the HVPS        Diagnostic Information 2 98       4059 XXX  Print Quality   Banding    Service Tip  Banding is difficult to detect except on a page with a  unifor
136. heck the erase lamp lens assembly  for any signs of paper dust  toner  buildup or any other contamination   Clean with a soft cloth or replace the  lens and lamp assembly which are  provided together in a kit  If the lens  is clean then check the erase lamp  assembly for failed erase lamps  If  defective  replace the erase lamp  assembly        2   Fuser Assembly          Print Quality   Light Print    FRU       Check the fuser assembly for signs  of toner contamination  The hot roll  especially might cause toner to be  retained and deposited on the page     Action       1   Transfer Roll    2   Right Side Transfer Roll  Arm Assembly             Check the right end of the transfer  roll shaft for signs of wear or  contamination  If incorrect  replace  the transfer roll     Check the right side transfer roll arm  assembly bearing for any signs of  wear or contamination  Also check to  ensure the transfer cable is firmly  attached to the bearing  If incorrect   replace the right side transfer arm  assembly  Check the connection of  the transfer roll assembly cable to  the transformer on the HVPS board   Check the continuity of the cable  from the bearing to the spade  terminal on the cable  If incorrect   replace the right side transfer arm  assembly  If correct  replace the  HVPS        2 101 4059 Service Manual          4059 XXX  Print Quality   Toner on backside of printed page    Service Tip  This is generally caused by loose toner in the machine  in the paper path being ca
137. hot roll and changes resistance as the temperature of    3 27 4059 Service Manual    4059 XXX    the hot roll increases  The thermistor resistance changes from  approximately 150K ohms to approximately 260K ohms as the  temperature of the fuser hot roll increases  The thermistor is  connected to the fuser control board connector J2 1 and J2 2 and  from J2 to J1 2 and J1 3 on the fuser control board to J2 6 and J2 7  on the engine board  J2 6  TEMPIN   and J2 7  TEMPIN   are  connected to module PLCC U9  U9 monitors the change in  thermistor resistance and sends a signal  HEATON  from J20 A25  through the interconnect board to CN3 9 on the LVPS to signal the  triac to turn the fuser lamp On or Off to maintain the correct fuser  temperature     The voltage drop across the thermistor is proportional to the fuser  temperature and varies from approximately 2 0 V dc  cold  to 2 3 V  dc  warm during idle  to approximately 2 7 V dc during continuous  printing  These voltages are assuming the fuser temperature is set  to normal  The HEATON signal from CN3 9 varies from 0 V dc  lamp  On  to  5 V dc  lamp Off  and is connected to the cathode of an  Opto triac to control the fuser lamp  The second part of the assembly  is the fuser frame which contains the hot roll  backup roll  and  associated parts as well as the paper exit guide assembly  narrow  media sensor  fuser control board  which has the exit sensor  mounted on the board  and the envelope conditioner solenoid on the  model 2420
138. hout loosening  the nut  Turn the screw clockwise a few turns and print a copy of the  Quick Test Page as you check the diamonds on the left margin   Continue adjusting the screw as you check the results of each  adjustment on a new test page until you obtain the results you want     4 5 4059 Service Manual    4059 XXX    b  Print a copy of the Quick Test Page and check the margin  adjustments printed on the test page  These settings should  be within the range specified in    Print Registration    on  page 3 18  The reference screw can be adjusted without  loosening the locknut  Turn the screw a few turns and print a  copy of the Quick Test Page as you check the diamonds on  the left margin  Continue adjusting the screw as you check  the results of each adjustment on a new test page until you  obtain the results you want        Repair Information 4 6    4059 XXX       Screw Identification Table    The following table contains screw types  locations  and quantities  necessary to service the printer  Each screw callout in the removal  procedure graphic displays the screw reference number listed in the  table  Pay careful attention to each screw type location when doing  removals  You must install the correct screw type in each location  during reassembly                          4 7 4059 Service Manual                                     Reference     Number Screw Type Location Purpose Qty  M3 5x8 mm right side frame to attach 1  Thread Cutting   center pan     toner level sen
139. ick  2 o Gear  Drive Idler  1 o Gear  Comp Drive Clutch  1 o Gear  Kick Roll Connect  1 o Gear  Kick CNCT Idler  1 o Gear  Feed Shaft Right  1 o Gear  Drive Idler Rear  20 12   99A0381 1 Cover  Left Side  20 13   99A0388 1 Switch  Envelope Out  20 14   99A0485 1 Sensor  Envelope Pass Thru  NS 1 Retainer  4 mm PP 99A0404  NS 3 Retainer  Clip 5 mm Shaft PP 99A0404  NS 2 Retainer  6 mm PP 99A0404  NS 3 Retainer  7 mm Shaft PP 99A0404  NS 99A0384 1 Shaft  Drive Pressure Roller  NS 99A0385 1 Cable  Auto Connect Front  NS 99A0494 1 Spring  Cam Clutch  NS 99A0429 1 Label  Options Circle 1255 1625 1855 2455  NS 99A0427 1 Label  Envelope Orientation Icon  1255 1625 1855 2455  NS 99A0469 1 Deflector Guide       Parts Catalog 7 73       4059 XXX    Assembly 21  High Capacity Feeder                                              7 74 4059 Service Manual    4059 XXX                   ei bs Units   Description   21 1 99A0660 1 Frame  Printer Support Frame 2   21 2 3 Screw  Printer Support 2 Frame Mounting  PP 99A0675   NS 6 Washer  Printer Support Frame 2 Star  PP 99A0677   NS 6 Nut  Printer Support Frame 2  8 32 Hex  PP 99A0676   21 3 99A0698 2 Clamp  Feed Frame   21 4 4 Screws  Feed Frame Clamp PP 99A0675   21 5 99A0691 2 Bearing  Nyliner Leadscrew Top   21 6 99A0656 1 Cover  Side   21 7 99A0680 1 Deflector Assembly Front   21 7A   99A0681 4 Strip  Wear   21 8 99A0662 2 Transfer Lead Screw Assembly   21 9 99A0461 1 Label  Tray Option Numbers   21 10 3 Screw  Deflector Mounting 8 18 x 7 8 i
140. ies        Copyright Lexmark International  Inc  1998  2002  All rights reserved     UNITED STATES GOVERNMENT RESTRICTED RIGHTS   This software and documentation are provided with RESTRICTED RIGHTS  Use   duplication or disclosure by the Government is subject to restrictions as set forth in  subparagraph  c  1  ii  of the Rights in Technical Data and Computer Software  clause at DFARS 252 227 7013 and in applicable FAR provisions  Lexmark  International  Inc   Lexington  KY 40550     4059 XXX    Contents  Notices and Safety Information                        ix  Laser                 59                           PRES CREDA ERR HORA ix  Safety JEE EE EEN dade ELE d ean xvii  1c eM  xxii  General Information                                     1 1  DRONE soak EE 1 4  Maintenance                                                1 5  Tools Required For                                            1 5  DORONEITIBI S o eh e ur X AD dup            dr      P Oda 1 6  Diagnostic                                                       2 1  i o is ee T SENT ee ee eee ee 2 1  service Error Codes cic ANNER dade ka bh tame a 2 2  User Status Messages    me 2 12  User Error           0 56                             2 16  Power On Self Test                                   2 24  SVN rs EE 2 25  Ger Vice CHECKS usua waa      oe ea be RRR NR E ERAR 2 28  Charge Roll Service Check                         2 29  Cover Open Switch Cable Service Check              2 31  Dead Machine Service            
141. ine board  If correct  replace the  toner sensor assembly  A bad  ground connection between J10 13  on the engine board and pin 3 on the  toner sensor results in a 929 service  error                 Transfer Roll Service Check    Service Tip  The transfer roll is 17 0 mm   669 inch  diameter  Any  print quality problems such as lines that are spaced 17 mm apart  indicate you should check the transfer roll for damage  toner or  foreign material buildup     Service Tip  The transfer roll assembly is part of the Maintenance Kit  for models 2450  2455 and 3455 printers and is replaced when a  80  Scheduled Maintenance  message displays  Ask the customer if  they have replaced the transfer roll recently     CAUTION  Make sure the printer is powered Off before making any  checks on the transfer roll or associated parts for personal safety  and to prevent damage to the printer        FRU Action                 Transfer Roll Assembly Check the transfer roll for any signs  of toner buildup  surface damage to  the roll  oil or other contaminants on  the surface of the roll  Replace the  transfer roll as necessary              2 105 4059 Service Manual    4059 XXX       FRU Action       2   Left Transfer Arm Assembly   Check the left transfer roll arm  assembly to make sure it is fastened  and locked in the down position  If  the arm is not locked down  check to  ensure the arm is not broken and will  lock into the EP frame correctly   Check the left transfer arm assembly  spring for pr
142. ing and  remove        Repair Information 4 38    4059 XXX  Interconnect Board Assembly    Remove the inner EMC shield    Remove the engine board and shield    Remove the LVPS    Disconnect all cables from the interconnect board    Remove the interconnect board assembly mounting screws  A                        Nc              323     4 39 4059 Service Manual    4059 XXX    6  Place the printer on its back and remove the two mounting  screws  A      7  Remove the interconnect board assembly        A  202     Repair Information 4 40    4059 XXX  Left Side Frame  1  Remove the main drive assembly   2  Remove the left side frame mounting screws  A    A  102         102     4 41 4059 Service Manual    4059 XXX    3  Place the printer on its back and remove the four left side frame  mounting screws  A      4  Remove the left side frame        Repair Information 4 42    4059 XXX  Low Voltage Power Supply    1  Remove the right cover    2  Remove the two LVPS mounting screws  A  from the rear of the  bottom pan    3  Pull the LVPS assembly from the right side of the printer  Initial  resistance is felt as the automate plug disconnects    4  Press the release latch on the fuser lamp cable connector and  disconnect from the LVPS     5  Remove the LVPS        4 43 4059 Service Manual    4059 XXX  Main Drive Assembly    5   6   7     8     1  Remove the inner EMC shield    2  Remove the developer drive assembly    3    4  Remove all cables from the cable clamps  B  on the main drive    
143. ing failure messages displays for approximately 3  seconds and the Fail Count increases by 1     Receive Status Interrupt Error  Status Error   Receive Data Interrupt Error  Transmit Data Interrupt Error  Transmit Empty Error  Threshold Error   Receive Data Ready Error  Break Interrupt Error  Framing Error   Parity Error   Overrun Error   Data Error   Data 232 Error   Data 422 Error   FIFO Error   DSR Error   DSR PIO Error   DSR Interrupt Error   CTS Error   CTS PIO Error   CTS Interrupt Error    Once the maximum count is reached the test stops  The power  indicator goes on solid and the final results display     Press Return Stop to exit the test     3 13 4059 Service Manual    4059 XXX       Input Tray Tests    Input Tray Feed Test    This test lets the servicer observe the paper path as media is  feeding through the printer  A blank sheet of paper feeds through the  printer as the laser turns off during this test  The only way to observe  the paper path is to open the lower front door that is used to access  the envelope or multipurpose feeder  The paper is placed in the  output bin     To run the Input Tray Feed Test     1   2     3     4     Select Input Tray Feed Test from the menu    Select the input source from the sources displayed on the  Feeds Test menu  All installed sources are listed    Select either Single  feeds one sheet of media from the selected  source  or Continuous  continues feeding media from the  selected source until Return Stop is pressed      Press
144. ing screws being careful not to move the  printhead assembly     Repair Information 4 4    4059 XXX  Paper Alignment Assembly Adjustment    Do the alignment assembly adjustment whenever you replace the  alignment assembly  Always print a copy of the Quick Test Page  before making any adjustments to the alignment assembly reference  adjustment screw  When replacing the alignment assembly  it is  necessary to back the reference adjustment screw out far enough to  remove the old assembly and install the new one     If you are replacing the alignment assembly go to step a  If you are  only adjusting the reference adjustment screw go to step b     a  Print a copy of the Quick Test Page and check the margin  adjustments printed on the test page  These settings should  be within the range specified in    Print Registration    on  page 3 18     Do the reference adjustment if you are sure the margins are set  correctly     1  Loosen the locknut on the inside rear of the alignment  assembly    2  Remove the two screws holding the alignment assembly to the  left side frame    3  Back the reference adjustment screw out far enough to allow  the alignment assembly to be removed from the printer  It is not  necessary to completely remove the screw     4  Install the new alignment assembly  Turn the reference screw  clockwise with a 7 mm nut driver until it touches the back of the  reference plate and tighten the nut with a 5 5 mm wrench     The reference adjustment screw can be adjusted wit
145. ion    WARNING  Read the following before handling electronic parts        Handling ESD Sensitive Parts    Many electronic products use parts that are known to be sensitive to  electrostatic discharge  ESD   To prevent damage to ESD sensitive  parts  follow the instructions below in addition to all the usual  precautions  such as turning off power before removing logic boards       Keep the ESD sensitive part in its original shipping container  a  special    ESD bag   until you are ready to install the part into the  machine      Make the least possible movements with your body to prevent  an increase of static electricity from clothing fibers  carpets  and  furniture      Putthe ESD wrist strap on your wrist  Connect the wrist band to  the system ground point  This discharges any static electricity in  your body to the machine      Hold the ESD sensitive part by its edge connector shroud   cover   do not touch its pins  If you are removing a pluggable  module  use the correct tool      Do not place the ESD sensitive part on the machine cover or on  a metal table  if you need to put down the ESD sensitive part for  any reason  first put it into its special bag      Machine covers and metal tables are electrical grounds  They  increase the risk of damage because they make a discharge  path from your body through the ESD sensitive part   Large  metal objects can be discharge paths without being grounded       Prevent ESD sensitive parts from being accidentally touched by  other
146. ion  Replace as required   It is advisable to replace all four wear  strips at the same time                    2 67 4059 Service Manual    4059 XXX    The elevator tray does not move up or down  The printer  recognizes that the option is installed           FRU Action   1   Stepper Motor Be sure the motor cable is correctly  High Capacity Feeder installed at J1 on the high capacity  Option Control Board feeder system board  Be sure the  Stepper Motor Extension motor extension cable is properly  Cable connected to the motor cable  Check    the cables for damage or loose  wires  Disconnect the motor and  check for a short between each pin  and the motor housing  If a problem  is found  replace the motor  Measure  the resistance between the following  pins on the motor cable connector     Pins 1  orange  and 3  green   Pins 2  yellow  and 4  white     They measure between 10 and 15  ohms  If incorrect  replace the motor  assembly  If correct  replace the high  capacity feeder control board              Diagnostic Information 2 68    4059 XXX    The elevator moves in one direction only        FRU    Action       1   Stepper Motor  High Capacity Feeder  Option Control Board             Check the voltages at J1 on the high  capacity system board  The voltage  measures as follows     static  motor connected     1 1  Orange   24 V dc  n 2  Yellow   24 V dc   1 3  Green    24 V dc  i   4  White   24 V de    motor running    Orange  approximately  12 V dc  Yellow  approximately  12 V 
147. iques de seguretat d algunes peces pot ser que no  sempre siguin   bvies  Lexmark no es responsabilitza de l us  d altres peces de recanvi      Lainformaci   pel manteniment d aquest producte est    orientada exclusivament a professionals i no est   destinada a  ning   que no ho sigui      Elrisc de xoc el  ctric i de danys personals pot augmentar  durant el proc  s de desmuntatge i de servei d aquest producte   El personal professional ha d estar ne assabentat i prendre les  mesures convenients     Notices and Safety Information XX    4059 XXX       Chinese Safety Information  zov    AP EA Lexmark                   BS cA  dier  MWK  AACS Ay BE BY BEAR BA E   AA  PRE  Lexmark MARA   e APTA EP AES RSS A A  SEED     AE  H3   e AP MERE            EX BEA m Efe                       ix dU Br T fg  HERVE  TRU T   6         Korean Safety Information    are                 e   HAZE SS Lexmark TH 259       9 01 AA 1       CPS Ho  PSE Sa       99                      Heol MAS St PAS   Suct  Lexmark         wal Bo           ch st    deich  e   HES HASH Mule as AIA  S22  WALL AMS elm 980  AMUc Ae Malz    2          0  AMS maleta Bost oe BAS  lot S           Ozone Information    This product does not produce measurable amounts of ozone gas     XXi 4059 Service Manual    4059 XXX  Preface    This manual is divided into the following chapters           General Information    contains a general description of the  printer  options  and the maintenance approach used to repair it   General env
148. ironmental and safety instructions as well as  special tools and test equipment are listed in this chapter       Diagnostic Information  contains a service error code table   user status message table  user error message table  symptom  table  and service checks used to isolate failing field replaceable  units  FRUs          Diagnostic Aids  contains tests and checks used to locate or  repeat symptoms of printer problems  Printer operation  information is provided to enhance the tests and checks       Repair Information  provides instructions for making printer  adjustments and removing and installing FRUs       Connector Locations  uses illustrations to identify the major  components and test points on the printer       Preventive Maintenance  contains safety inspection guidelines   lubrication specifications  and maintenance information to  prevent problems and maintain performance       Parts Catalog  contains illustrations and part numbers for  individual FRUs     Preface xxii    4059 XXX  1  General Information    The Optra    S Laser Printers are letter quality page printers  designed to attach to IBM compatible PC   s and to most computer  networks     The printer is available in eleven models   Optra S Model    1250  4059 121   1255  4059 125     Standard Output Bin        Optional Envelope Feeder          Duplex Option       2 Optional 500 sheet    Drawer  p    Optional 250 sheet Drawer             250 sheet Input Tray    1 1 4059 Service Manual    4059 XXX  Optra S 
149. isplays for  approximately 3 seconds and the failure count increases by 1     ROM Memory Test    The ROM Memory Test is used to check the validity of the RIP code  and fonts     To run the ROM Memory Test     1  Select ROM Memory Test from the menu  P and F represent the  same numbers for DRAM         The power indicator blinks indicating the test is in process   The test runs continuously     2  Press Return Stop to exit the test     Diagnostic Aids 3 10    4059 XXX    Each time the test finishes  the screen updates with the result  If the  test passes  the Pass Count increases by 1  however if the test fails   one of the following messages displays for approximately 3 seconds     ROM Checksum Error  ROM Burst Read Error    Once the maximum pass count or fail count is reached  the test  stops with the power indicator on solid  The final results display on  the screen     Parallel Wrap Test    This test is used with a wrap plug to check operation of the parallel  port hardware  Each parallel signal is tested     To run the Parallel Wrap Test     1  Disconnect the parallel interface cable and install the wrap plug   P N 1319128      2  Select the Parallel Wrap Test from the menu         The power indicator blinks indicating the test is in progress   The test runs continuously until canceled     Each time the test finishes  the screen updates  If the test passes   the Pass Count increases by 1  however if the test fails  one of the  following messages displays for approximately
150. l to maintain the    adjustment       Reassemble the duplex unit     Repair Information 4 2    4059 XXX  Fuser Solenoid Adjustment    Perform the fuser solenoid adjustment whenever you replace the  fuser solenoid  Adjust the fuser solenoid while installed in the printer   Adjust the screw on the eccentric mounted on the solenoid housing  to provide an air gap between the rear of the solenoid stator and the  solenoid armature        Printer Model Solenoid Air Gap       2420 2450 2455 4 4 mm   170 inch        1620 1625 1650 1855 3 9 mm   153 inch   3455 4 8 mm   153 inch                 Gap Adjustment    The gap adjustment allows you to increase the minimum gap  between sheets of paper as they are fed through the printer  This  adjustment does not reduce the printer s overall performance such  as pages per minute but can help in reducing the amount of curl of  some printed media thus improving media stacking in the output bin     Enter the Diagnostic Mode   Select EP SETUP from the Diagnostic Menu    Select GAP ADJUST   The range of the GAP adjustment is 0 to 255  Adjust the gap  setting by using the Menu  lt   gt  button to select the value  If  GAP 0 displays  it indicates a factory setting to minimum gap   Select a value and run several copies of the media that displays  a curl problem  It may take several tries before improvement is  noticed    Note  This setting has no effect when printing in duplex mode     Beg Le    4 3 4059 Service Manual    4059 XXX  Printhead Assembly
151. la katso s  teeseen   Osynlig laserstr  lning nar denna del        ppnad och sp  rrar   r urkopplade  Str  len   r farlig   Usynlig laserstrling        deksel apres og sikkerhedsl  s brytes  Unng   eksponering for str  len   Usynlig laserstr  ling ved   bning  n  r sikkerhedsafbrydere er ude af funktion  Undga unds  ttelse tor str  ling   Radiaci   laser invisible s s obre    el tancament intem no   s correcte  Eviteu exposar vos hi  MERA GE TE ENBNRAN           hy DAN DEM SCA YF  RATER     OMEN SOT  Vd CIS NL CE EAL   HS QO    0    eat 015    01512  dei 24014 WOH edd EM BAAS       ix 4059 Service Manual    4059 XXX  Class 1 Laser Statement Label    CLASS 1 LASER PRODUCT  LASER KLASSE 1   LUOKAN 1 LASERLAITE  APPAREIL A LASER DE CLASSE 1  TO IEC 825          Notices and Safety Information X    4059 XXX       Laser Notice    The printer is certified in the U S  to conform to the requirements of  DHHS 21 CFR Subchapter J for Class    1  laser products  and  elsewhere is certified as a Class   laser product conforming to the  requirements of IEC 825     Class   laser products are not considered to be hazardous  The  printer contains internally a Class IIIb  3b  laser that is nominally a 5  milliwatt gallium arsenide laser operating in the wavelength region of  770 795 nanometers  The laser system and printer are designed so  there is never any human access to laser radiation above a Class    level during normal operation  user maintenance  or prescribed  service condition       
152. le   Kirjoittimessa on sis  inen luokan Illb  3b  5 milliwatin  galliumarsenidilaser  joka toimii aaltoalueella 770   795 nanometri     Laserj  rjestelm   ja kirjoitin on suunniteltu siten  ett   k  ytt  j   ei  altistu luokan   m    rityksi   voimakkaammalle s  teilylle kirjoittimen  normaalin toiminnan  k  ytt  j  n tekemien huoltotoimien tai muiden  huoltotoimien yhteydess       VARO  Avattaessa ja suojalukitus ohitettaessa olet alttiina  n  kym  tt  m  lle lasers  teilylle  Al   katso s  teeseen     VARNING  Osynlig laserstr  lning n  r denna del   r   ppnad och  sp  rren   r urkopplad  Betrakta ej str  len        Laser notis    Denna skrivare   r i USA certifierad att motsvara kraven i DHHS 21  CFR  underparagraf J f  r laserprodukter av Klass    1     andra  lander uppfyller skrivaren kraven f  r laserprodukter av Klass   enligt  kraven i IEC 825     Notices and Safety Information xiv    4059 XXX    Laserprodukter i Klass   anses ej h  lsov  dliga  Skrivaren har en  inbyggd laser av Klass 1110  3b  som best  r      en laserenhet av  gallium arsenid pa 5 milliwatt som arbetar i vaglangdsomradet 770   795 nanometer  Lasersystemet och skrivaren ar utformade sa att det  aldrig finns risk f  r att n  gon person uts  tts for laserstr  lning   ver  Klass I niva vid normal anv  ndning  underh  ll som utf  rs av  anvandaren eller annan f  reskriven serviceatgard        Laser melding    Skriveren er godkjent i USA etter kravene i DHHS 21 CFR   underkapittel J  for klasse    1  la
153. le  250 Auto Connect Option    E sc  LA   ech  zeck  sch  ech  sch  se Ki ch             zb zb l           l   l   lx hi Ai  0  zech             15 23 Screw  Switch Activate Spring Mounting  PP 99A0263   15 24 3 Screw  Option Board Mounting  PP 99A0263   15 25 99A0284 1 Board  Option Tray  1250 1620 1650 2420 2450   15 25 99A0397 1 Board  Option Tray  1255 1625 1855 2455 3455   15 25A   99A0627 1 Jumper  2 pin   15 26 99A0063 1 Spring  Switch Activate       Parts Catalog 7 49    4059 XXX  Assembly 15  250 Sheet Tray  continued        7 50 4059 Service Manual    4059 XXX                          Ae Units   Description   15 27   99  0115 1 Tray Assembly  250 Sheet Option   15 27   99A0504 1 Tray Assembly  250 Sheet 1855 C01   15 28   99A0119 4 Wear Strips   15 29   99A0120 2 Restraint Pad   15 30   99A0123 1 Indicator Assembly  Paper Size   15 31   99A0461 1 Label  Tray Number  2 5    15 32   99A0121 1 Clip  250 Tray Wear   15 33   99A0126 4 Finger  Autosize   15 34   99A0124 1 Plate  Snap In   15 35   99A0127 1 Slider  Autosize 250   15 36   99A0894 1 Latch  Back Restraint   15 37   99A0893 1 Restraint  Back 250 Sheet Tray   15 38   99A0892 1 Restraint  Side 250 Sheet Tray   NS 99A0429 1 Label  Options Circle 1255 1625 1855 2455  NS 99A0286 1 Spring  Backup Roller   NS 99A0446 1 Aligner Assembly  Paper   NS 99A0501 1 Strip Assembly  Paper Tray Insert 1855   01       Parts Catalog 7 51       4059 XXX  Assembly 16  500 Sheet Tray          7 52 4059 Service Manual    4059 XXX    
154. led  Check the flag for  damage or improper operation  If  incorrect  replace the flag     Note  A broken or improper  operating sensor flag causes a  Remove Paper Standard Bin  message to display before POST  completes and cannot be cleared              Diagnostic Information 2 78    4059 XXX  Output Expander Service Check    There are two levels of the 500 Sheet Output Expander Option       Level 1 is equipped with a stepper motor mechanical linkage  assembly      Level 2 is equipped with a DC servo motor and a new  mechanical linkage assembly and has fewer mechanical  components     Service Tip  The majority of the mechanical components can be  observed during operation by removing the left  right and system  board covers  The output expander functions without the covers   installed     Note  Make sure the option is correctly installed before attempting  to service the unit     Problems with excessive static electricity buildup           FRU Action  1   Output Expander Control Check the output expander control  Board Cover board cover to make sure the ESD    brush ground lead is firmly attached  to the output expander frame  Also  check to make sure the ESD brush is  not loose                    Printer does not recognize one or more output expander options  as being installed     Service Tip  If more than a single output expander option is installed   check each one to see if the printer recognizes any single option as  being installed  If the printer recognizes any of th
155. ller board to attach 2  interconnect board  ground  controller board to inner   mounting 2  shield  fuser ground wire mounting 1  controller board  back  mounting 2  engine board to attach 1  interconnect shield  ground  fuser ground wire mounting 1  lower stacker duct mounting 1  ground cables to ground   attach 1   center pan   front   cross brace to right attach 1  stacker duct  cable clip  main drive mounting 2  gearbox  BTM   fuser screw mounting 7  door restraint mounting 1             4 9 4059 Service Manual    4059 XXX                                              Reference    Number Screw Type Location Purpose Qty  M3x8 mm LVPS mounting 2  Taptite  auto compensator mounting 1  hanger bracket  M3x12 mm HVPS board mounting 1  Taptite  205  M3x28 mm developer drive ground attach 1  Taptite  bottom hole   207  M3 5x8 mm upper front cover mounting 5  Plastite Thread  E Forming left side cover mounting 3  323 autocompensator mounting 3  E                         Repair Information 4 10    4059 XXX                                  Reference e  Number Screw Type Location Purpose  M3 5x10 mm right side cover mounting  Plastite Thread  e Forming left side cover mounting  324    D left side frame to pan attach  2 E  H  ii  M3 5x12 mm left side cover mounting  Plastite Thread  E   Forming  325 CP  ii  ii        ud  A  M3x6 mm fuser board mounting  SEMS Machine  D Screw with  washer  397      M3 5x12 mm printhead to EP frame mounting  Plastite Thread  Forming with  washer  425   D
156. located on the controller board   If correct  go to step 9        Diagnostic Information 2 32    4059 XXX    FRU    Action       5    5 V dc atthe engine board  Test Point    Check for  5 V dc at the  5 V dc test  point on the engine board  If correct   replace the engine board  If  incorrect  go to step 6        6   LVPS Fuse F1    Remove the LVPS from the printer  and check fuse F1  Replace the fuse  if the fuse is blown        7   LVPS Fuse F1   Continues  to blow after LVPS installed  in the printer     Replace fuse F1 if necessary  Turn  the LVPS on off switch Off and  connect the AC line cord and turn  the LVPS On     CAUTION  Before checking fuse F1  turn the LVPS Off and disconnect  the AC line cord  Check fuse F1  If  the fuse is blown  replace the LVPS        8  LVPS             Remove the LVPS from the machine   CAUTION  Before making any  measurements on the LVPS output  connector  observe all necessary  safety precautions before applying  AC power  Measure the voltage on  LVPS output connector CN3  The  voltage measures  5 V dc  If  incorrect  replace the             2 33 4059 Service Manual       4059 XXX       FRU Action       9  Engine Board Turn the printer off and disconnect  all the cables from the engine board   Check for  5 V dc at the engine  board test point  If incorrect  replace  the FRUs in the following order     engine board  interconnect board    If correct  turn the printer off and  reconnect one cable at a time until  you find the defective asse
157. m gear and  Kick Gear master kick gear to make sure they    rotate together  If not  then the  tenons on the master kick gear may  be sheared off  If incorrect  replace  the master kick gear                    2 43 4059 Service Manual    4059 XXX    260 Paper Jam displays  unable to clear and envelopes fail to feed  from the hopper  Kick rolls ARE rotating     Check the deflector gap adjustment before continuing this service    check        FRU    Action       1   Deflector Gap Adjustment    Check the deflector gap adjustment   The adjustment may be too narrow        2  Weight Assembly    3  Envelope Edge Guide          Check the weight assembly to make  sure it moves up and down freely  without any binds  Also check to  make sure the weight assembly  rests on all the rear kick rollers when  the hopper is empty  Replace the  weight assembly if it is damaged or  does not operate properly        Check the envelope edge guide to  make sure it is not warped or set too  close to the envelopes in the hopper   Replace the edge guide if it is  damaged or does not operate  properly        Diagnostic Information 2 44    4059 XXX  260 Paper Jam displays  envelope stops in feeder paper path        FRU Action       1   Kick Rolls Feed Rolls Drive Check all the rolls for any signs of oil   Rolls grease or other contamination  If you  find a problem  clean or replace  parts as required        2   Deflector Gap Adjustment Check the deflector gap adjustment   The adjustment may be too narrow 
158. m gray or a large amount of graphics printed on the page   Banding is primarily due to a variation in the speed of the paper as it  feeds thru the printer  especially in the development and transfer  process  Inspect the alignment assembly  main drive assembly and  all other paper feed components for signs of wear  dirt  binds  or  damage  especially the drive gears  Banding appears as light or dark  horizontal lines on a uniformly gray page     Banding on model 3455 can also be caused by a defective charge  roll brush contact or HVPS  Check the charge roll contact for any  signs of damage and for proper connection to the HVPS and print  cartridge     Print Quality   Black bands on outer edges of the page    This print quality problem appears as vertical black bands on one or  both sides of the copy and can be wide  narrow  light or dark               FRU Action  Charge Roll If the problem is just on one side of  Counterbalance Springs the page  check the charge roll    counterbalance spring on that side   You can check to see if enough force  is being applied to the charge roll by  applying a slight downward pressure  with your finger to the charge roll link  arm that the spring is attached to  while you run a print test sample   See if the problem changes or goes  away  If this fixes or changes the  problem  then check the springs and  charge roll link arm assemblies for  binds or defective parts  Replace as  necessary                 2 99 4059 Service Manual    4059 XXX   
159. mbly     Service Tip  A short or low  resistance load that is attached to  the engine board can cause the  LVPS to overcurrent and shut the   5 V dc supply down to 0 V dc     Service Tip  Check the engine board  for burn marks or other damage   especially R20 R21  R22 and R23  located next to the upper left engine  board mounting screw  If this screw  is overtightened it might deform the  engine board shield and cause it to  short out these resistors              Diagnostic Information 2 34    4059 XXX  Duplex Option Service Check  The printer does not recognize the Duplex Option is attached  The    printer does not recognize tray options below the duplex option  are installed           FRU Action  1   Fuse F1 on Duplex Option If fuse F1 is blown  replace the fuse   System Board If fuse F1 continues to blow  check    the stepper motor for a short  between the motor case and pins  J3 1 through J3 4  If no problem is  found  check the D C  servo motor  pins J1 1 and J1 2 to the motor  housing for a short  If a short is  found  replace the motor assembly  If  no short is found  replace the system       board   2   Autoconnect Cables  Check the autoconnect cables for  Connectors damage to the cables or the pins in    the connectors  If damaged  replace  the cable s   If no damage is found   check to make sure the cables are  connected to J9  J10  J11 and J12  on the duplex system board  If no  problem is found  replace the duplex  System board                 2 35 4059 Service Ma
160. mbly 25 Miscellaneous  continued                    ee LR Units   Description   25 99A0208 1 Parts Packet  Pulley   Kiosk   25 99A0234 1 Parts Packet  Screws   Kiosk   25 99A0265 1 Packaging  Short   25 99A0295 1 Packaging  Tall with 500 500 Option Tray   25 99A0248 1 Packaging  500 500 Dual Option Tray  Assembly   25 99A0301 1 Packaging  w o 500 500 Option Tray   25 99A0394 1 Grease Packet  Nyogel 744   25 99A0462 1 Grease Packet  IBM 23       Parts Catalog 7 91       4059 XXX  Index    A    Acronyms 1 6  Adjustment Procedures 4 2  Duplex Motor Drive Belts 4 2  Fuser Solenoid 4 3  Gap Adjustment 4 3  Paper Alignment Assembly 4 5  Printhead Assembly 4 4  Autoconnect 5 21    Base Sensor Test 3 17  Button Test 3 9          Connector Locations   Autoconnect 5 21   Duplex Option Board 5 19   Engine Board 5 4   Envelope Option Board 5 17   Fuser Board 5 11   High Voltage Power Supply 5 3   Interconnect Board 5 14   LVPS 5 1   Output Expander Control Board   Level 1 Stepper Motor 5 22   Output Expander Control Board   Level 2 DC Motor 5 24    D    Diagnostic Aids 3 1  Device Tests 3 2  Disk Test Clean 3 2  Flash Test 3 3  Quick Disk Test 3 2  Diagnostic Mode 3 1  Duplex Tests 3 4  Duplex Feed 1 Test 3 7  Duplex Feed 2 Test 3 7  Duplex Motor Test 3 5  Duplex Quick Test 3 4  Duplex Sensor Test 3 5    Error Log 3 8  Clearing the Error Log 3 8  Viewing the Error Log 3 8  Hardware Tests 3 9  Button Test 3 9  DRAM Memory Test 3 10  LCD Test 3 9  Parallel Wrap Test 3 11  ROM Memory Test 3
161. na 1   and grease  P N 1329301 to lubricate appropriate  areas of the machine     Preventive Maintenance 6 1    4059 XXX       Scheduled Maintenance  2420 2450 2455 3455     The operator panel displays the message    80 Scheduled  Maintenance    at each 250K page count interval  It is necessary to  replace the fuser assembly  transfer roller  compensator pick rolls  and charge roll at this interval to maintain the print quality and  reliability of the printer  The parts are available as a maintenance kit  with the following part numbers     99A0290   100V 750W 2450  99A0500   115V 750W 2420 2450 2455  99A0503   220V 750W 2420 2450 2455  99A0823   115V 750W 3455  99A0824   220V 750W 3455    After replacing the kit  the maintenance count must be reset to zero    to clear the    80 Scheduled Maintenance  message  Refer to   Maintenance Page Count  2420 2450 2455 3455   on page 3 20     6 2 4059 Service Manual    4059 XXX  7  Parts Catalog       How To Use This Parts Catalog    SIMILAR ASSEMBLIES  If two assemblies contain a majority of  identical parts  they are shown on the same list  Common parts  are shown by one index number  Parts peculiar to one or the  other of the assemblies are listed separately and identified by  description    AR   As Required  in the Units column indicates that the  quantity is not the same for all machines    CC   Color Code  in the Description column indicates the part is  identified by a color marking on the part     NS   Not Shown  in the Asm Ind
162. nce Count Saved displays momentarily   When the reset operation is complete  the menu returns to  the Printer Setup Reset Maintenance Count screen     Setting Configuration ID    The configuration ID is used to communicate information about  certain areas of the printer that cannot be determined using  hardware sensors  The Configuration ID is originally set at the  factory when the printer is manufactured  however it requires  resetting whenever you replace the engine board and can be set on  the operator panel  However the Configuration ID is the only  diagnostic function displayed until a valid ID is entered     To set the Configuration ID     1  Select Configuration ID from the Printer Setup menu        The current ID displays on the screen  The Configuration ID  is on a label located inside the printer  The label is attached  to the top front cover hinge assembly and is visible when the  top front cover is open        The leftmost digit blinks indicating that it is the first digit to be  changed    2  To change the value  press either Menu gt  or  lt Menu until the  value you want is reached  Press Select to move to the next  digit  or press Select again to skip a digit  Change each digit as  required  When the last digit is changed  press Select to  validate the Configuration ID  If the ID is invalid then  INVALID    Diagnostic Aids 3 20    4059 XXX    ID  message displays on Line 2 before the ID redisplays  You  have to reenter the Configuration ID until a valid ID is 
163. nch  PP 99A0675   21 11   99A0716 1 Bearing  Leadscrew Bottom   21 12   99A0658 2 Magnet  Door   21 13   99A0650 1 Frame Assembly   21 14   99A0661 1 Tray Assembly  Elevator   21 15   99A0671 1 Card Assembly  2000 Option Control   21 16 4 Nut  6 32 Hinge Mounting PP 99A0676   21 17 4 Washer  Hinge Mounting Flat PP 99A0677   NS 99A0690 1 Cable  Optical Sensor   21 18 4 Washer  Hinge Mounting Star PP 99A0677   21 19   99A0655 1 Door Assembly  Front   21 20   99A0657 2 Hinge  Door   21 21   99A0948 1 Kit  Door Switch Spring and Bumper   21 22 1 Washer  Door Switch Spring Mounting  PP 99A0677   21 23 4 Screw  Card Assembly Mounting PP 99A0675          Parts Catalog 7 75    4059 XXX    Assembly 21  High Capacity Feeder  continued                                                        7 76 4059 Service Manual    4059 XXX                   ae      Units   Description   21 24 1 Nut  Door Switch Spring Mounting  PP 99A0676   21 25 4 Washer  Card Assembly Mounting PP  99A0677   21 26 99A0686 3 Guide  Rear Paper with thumb screws  Use with 99A0696   21 26 99A0188 3 Guide  Rear Paper with retainer arm  Use with 99A0219   21 27 6 Screw  Top Frame Mounting PP 99A0675   21 28 99A0696 1 Frame Assembly  Top with labels   21 28 99A0219 1 Frame Assembly  Top with labels   21 29 2 Screw  Top Frame Clamp Mounting  PP 99A0675   21 30 2 Washer  Top Frame Clamp PP 99A0677   21 31 99A0719 1 Clamp  Top Frame Mounting   21 32 2 Nut  Base Mounting PP 99A0676   21 33 2 Washer  Base Mounting PP 99A0677   
164. ng results must display     AA   00  BB   in the range of 29 through 3E inclusively  hex     CC   in the range of 35 through 51 inclusively  hex   DD   in the range of OC through 13 inclusively  hex     For the duplex drive system to pass the test the following results  must display     AA   00   BB   in the range of 29 through 3F inclusively  hex   CC   in the range of 3A through 5D inclusively  hex   DD   in the range of 11 through 1F inclusively  hex     2  Press Return Stop to exit the test     Diagnostic Aids 3 6    4059 XXX  Duplex Feed 1 Test    This test feeds a blank sheet of paper to the duplex paper stop  position 1     To run the Duplex Feed 1 Test     1  Select Duplex Feed 1 from the Duplex Test menu       The power indicator blinks while the paper is feeding          Duplex Feed 1 Feeding  message displays while the paper  is feeding through the printer            Duplex Feed 1 Clear Paper    message displays when the  paper reaches paper stop position 1 and the power indicator  turns on solid     Duplex Feed 2 Test    This test feeds a blank sheet of paper to the duplex paper stop  position 2     To run the Duplex Feed 2 Test     1  Select Duplex Feed 2 from the Duplex Test menu       The power indicator blinks while the paper is feeding        Duplex Feed 2 Feeding  message displays while the paper  is feeding through the printer          Duplex Feed 2 Clear Paper    message displays when the  paper reaches the duplex paper stop position 2 and the  power indic
165. ns at a level just high enough to  reliably feed the paper  Rather than having a fixed spring force for  feeding all weights of paper like the D roll  this device has its own  mechanical logic for producing only enough pick energy to feed a  single sheet of paper regardless of its stiffness     High normal force is one of the most significant contributors to  double feeding paper  The pick arm is counter balanced by an  extension spring located on the pick arm to reduce weight in the rest  state  This spring is factory set to exert no more than ten to fifteen  grams on the stack  This is as light as can be realistically set and  always guarantee there is some force to start the autocompensating  phenomena  This spring is not to be considered an adjustment for  feeding problems unless it is obvious that the pick arm cannot fall all  the way down to the bottom of the tray or has come loose     3 25 4059 Service Manual    4059 XXX    Poor gear efficiency can cause the arm to generate higher normal  forces  If the pick assembly is noisy  replacement may be required     The arm must pivot freely through its full range of motion  On 500  sheet trays there are wrap springs located on the pivot arbors of the  arm  These springs aid to prevent the arm from bouncing  If the arm  appears to be binding or sticky near the bottom of the tray these  springs may be the problem  Reducing the tension on the  counterbalance spring may be used as a temporary fix to get  additional weight at bott
166. nsideran peligrosos  La  impresora contiene en su interior un l  ser de Clase         3b  de  arseniuro de galio de funcionamiento nominal a 5 milivatios en una  longitud de onda de 770 a 795 nan  metros  El sistema l  ser y la  impresora est  n disefiados de forma que ninguna persona pueda  verse afectada por ning  n tipo de radiaci  n l  ser superior al nivel de    Notices and Safety Information xii    4059 XXX    la Clase   durante su uso normal  el mantenimiento realizado por el  usuario o cualquier otra situaci  n de servicio t  cnico        Declara    o sobre Laser    A impressora esta certificada nos E U A  em conformidade com os  requisitos da regulamenta    o DHHS 21 CFR Subcapitulo J para     Classe    1  de produtos laser  Em outros locais  esta certificada  como um produto laser da Classe     em conformidade com os  requisitos da norma IEC 825     Os produtos laser da Classe   n  o s  o considerados perigosos   Internamente  a impressora cont  m um produto laser da Classe 1116   3b   designado laser de arseneto de pot  ssio  de 5 milliwatts  operando numa faixa de comprimento de onda entre 770 e 795  nan  metros  O sistema e a impressora laser foram concebidos de  forma a nunca existir qualquer possiblidade de acesso humano a  radia    o laser superior a um nivel de Classe   durante a opera    o  normal  a manuten    o feita pelo utilizador ou condi    es de  assist  ncia prescritas        Laserinformatie    De printer voldoet aan de eisen die gesteld worden aan e
167. nting PP 99A0263  14 9 3 Screw  Int Shield Mounting PP 99A0263  14 10 2 Screw  Controller Bd Mounting Front  PP 99A0263  14 11   99A0426 2 Screw  Parallel Connector Mounting  14 12 2 Screw  Controller Bd Mounting Back  PP 99A0263  14 13   99A0187 1 Controller Board Assembly 1250 1620  14 13   99A0840 1 Controller Board Assembly 1255  14 13   99A0841 1 Controller Board Assembly 1625  14 13   99A0183 1 Controller Board Assembly 1650 2420  14 13   99A0842 1 Controller Board Assembly 1855  14 13   99A0139 1 Controller Board Assembly 2450  14 13   99A0844 1 Controller Board Assembly 2455  14 13   99A0845 1 Controller Board Assembly 3455  14 14 2 Screw  Engine Bd Mtg Bottom PP 99A0263  14 14 2 Screw  Engine Bd Mtg Front PP 99A0263  14 14 2 Screw  Engine Bd Mtg Top PP 99A0263  NS 99A0575 1 Cable  Deflector  NS 99A0346 1 Clip  EMC Six Finger          Parts Catalog 7 39    4059 XXX  Assembly 14  Electronics  continued                          7 40 4059 Service Manual    4059 XXX          ae EDS Units   Description  14 15   99A0236 1 Cover  INA Blank  NS 99A0408 1 Cover  INA Flat  Blank   14 16 6 Screw  INA Cover Mounting  PP 99A0263 2450  14 16 4 Screw  INA Cover Mounting PP 99A0263  14 16 2 Screw  INA Cover Mounting PP 99A0263  14 17   99A0213 1 Engine Board Shield Assembly  14 18   99A0239 1 Shield  Inner Assembly 1250 1620 1625  1 0 Cover  INA Blank  14 18   99A0238 1 Shield  Inner Assembly 1650 2420 1855  2 0 Cover  INA Blank  14 18   99A0235 1 Shield  Inner Assembly 2450 2455 345
168. nual    4059 XXX  POST fails  230 Paper Jam  Check Duplex message displays           FRU Action  1   Duplex D C  Servo Drive Check the D C  servo motor cables  Motor for signs of cuts or other damage     Check the D C  servo motor sensor  cable connector for pin damage  If  no problem is found  replace the  FRUs in the following order     D C  motor assembly    duplex option system board       2   Input Sensor  Input Sensor Run the Duplex Sensor Test from the   Flag diagnostics menu  If the test fails   check the input sensor cable at J5  on the system board for correct  installation  If no problem is found   replace the FRUs in the following  order     input sensor assembly    duplex option system board       3  Paper Exit Sensor and Flag Check the duplex exit sensor for  correct installation and free  movement of the sensor flag  Check  to make sure the sensor cable is  connected to J8 on the system  board  If no problem is found   replace the FRUs in the following  order     exit sensor assembly          duplex option system board       Diagnostic Information 2 36    4059 XXX    230 Paper Jam   Check Duplex message displays  The page is not  duplexed and only exits half way out of the redrive        FRU Action       1   Duplex Stepper Motor Check the stepper motor cable for  cuts or pinched wiring  Check the  routing of the motor leads along the  left side of the bottom tray  Check for  correct installation of the motor cable  connector at J3 on the system  board  Check fo
169. oe            Service Manual   Opa  S    4059 XXX       e Table of Contents  e Start Diagnostics  e Safety and Notices  e Trademarks    e Index    LEXMARK     4059 XXX    First Edition  September 2002    The following paragraph does not apply to any country where such  provisions are inconsistent with local law  LEXMARK INTERNATIONAL  INC   PROVIDES THIS PUBLICATION  AS IS  WITHOUT WARRANTY OF ANY KIND   EITHER EXPRESS OR IMPLIED  INCLUDING  BUT NOT LIMITED TO  THE  IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A  PARTICULAR PURPOSE  Some states do not allow disclaimer of express or  implied warranties in certain transactions  therefore  this statement may not apply  to you     This publication could include technical inaccuracies or typographical errors   Changes are periodically made to the information herein  these changes will be  incorporated in later editions  Improvements or changes in the products or the  programs described may be made at any time  Publications are not stocked at the  address given below  requests for publications should be made to your point of  purchase     Comments may be addressed to Lexmark International  Inc   D22A 035 3    740 New Circle Road NW  Lexington  Kentucky 40550  U S A  Lexmark may use  or distribute any of the information you supply in any way it believes appropriate  without incurring any obligation to you     Lexmark and Optra are trademarks of Lexmark International  Inc   registered in  the United States and or other countr
170. og 7 89    4059 XXX  Assembly 25  Miscellaneous                      quus EN Units   Description   25 99A0263 1 Parts Packet  Screws   25 99A0585 1 Parts Packet  Contact Kit   25 99A0267 1 Parts Packet  Retainers   25 99A0268 1 Parts Packet  Springs Paper Feed   25 99A0269 1 Parts Packet  Duplex Option Fan Mounting   25 99A0299 1 Parts Packet  Duplex Option Cam Follower  Assembly   25 99A0271 1 Parts Packet  Envelope Option Gears   25 99A0404 1 Parts Packet  Retainers Envelope Option   25 99A0413 1 Parts Packet  Screws Duplex   25 99A0572 1 Parts Packet  500 Sheet Feeder Option Shaft  Bearings   25 99A0577 1 Parts Packet  Cable Ties  10 each    25 99A0675 1 Parts Packet  Screws High Capacity Feeder   25 99A0676 1 Parts Packet  Nuts High Capacity Feeder   25 99A0677 1 Parts Packet  Washers High Capacity Feeder   25 99A0083 1 Parts Kit  Multipurpose Tray   25 99A0512 1 Parts Kit  Charge Roll Link Asm  Left Side   25 99A0513 1 Parts Kit  Charge Roll Link Asm  Right Side   25 99A0186 1 Parts Kit  Erase Lamp Lens   25 99A0702 2 Printer Stand Caster  Non Locking   25 99A0703 2 Printer Stand Caster  Locking   25 99A0704 1 Printer Stand Grommet  Wire   25 99A0705 2 Printer Stand Lock  Cam   25 99A0706 1 Printer Stand Storage Shelf   25 99A0707 1 Printer Stand Door Assembly  Cabinet   25 99A0710 1 Printer Stand Filler  Rear Top Piece   25 99A0711 1 Printer Stand Table Assembly  Large   25 99A0712 1 Printer Stand Table Assembly  Small       7 90 4059 Service Manual       4059 XXX  Asse
171. oll or  slick spots  If you find a problem  replace the pick roll assembly   Check to ensure the media that is being fed through the  multipurpose tray assembly meets recommended paper  specifications     Diagnostic Information 2 88    4059 XXX    Parallel Port Service Check    Run the    Parallel Wrap Test    on page 3 11     Note  The Parallel Wrap Test is designed to check the parallel port    hardware by using a wrap plug  P N 1319128  and invoking the    Parallel Diagnostic Test  This test helps isolate the printer from the  parallel cable and host  The test provides failure information on the    display for approximately 3 seconds  If the test indicates that a  problem is detected  replace the controller board     Printhead Service Check    The printhead assembly does not contain any service replaceable    parts or components  If service error code 930 displays  the wrong    printhead is installed in the printer        Service Error Code    1   Error Code 931   No first HYSNC Signal  Error Code 932   Lost HYSNC             Explanation    These errors usually indicate a  failure in the HYSNC signal to the  printhead  Check the continuity of  the cables connected to J3 and J8  on the engine board  If incorrect   replace the defective cable  The  voltage at J8 4 measures  approximately  5 V dc  If incorrect   replace the engine board  The  voltage at J3 7 measures  approximately  24 V dc  If incorrect   replace the engine board  If correct   replace the printhead assembly 
172. om  until the pick assembly can be replaced   However  the counterbalance spring is not to be considered an  adjustment for feeding problems        Autoconnect System  Paper Tray Options   Envelope Feeder and Output Expander  Operations    Electrical  Autoconnect Cabling and Connectors    The printer options make electrical connection automatically or  autoconnects requiring no external cables when the option is  mechanically installed under the printer  Communication between  the option and the base printer stops when you remove an option  located above or below the printer  The printer no longer recognizes  the option and deletes associated messages  Each installed option  below the base printer provides an electrical autoconnect to the  option attached below it  The output expander option attached above  the base printer provides power to the option above it  We do not  recommend to attach or  Hot Plug  any options with the base printer  power turned On     Diagnostic Aids 3 26    4059 XXX  Duplex Option    The duplex option interface is a six pin autoconnector that provides a   24 V        24 V      return  serial interface transmit signal  serial  interface receive signal and two ground pins  The duplex option  receives the  24 V dc from the base printer for the duplex motors  and also converts the voltage to  5 V dc for duplex electronics     Duplex chassis grounding is provided from the printer to the duplex  option through a ground spring attached to the frame and bas
173. one hard disk option is installed       1 4 GB   1250 1620 1650 2420 2450    2 1 GB   1255 1625 1855 2455 3455    Check to make sure the fixed disk and the fixed disk board are  correctly installed  Run the  Quick Disk Test  on page 3 2 from the  Device Test on the Diagnostic Menu when a problem is suspected  either with the hard disk system board or with the hard disk     Note  The Quick Disk Test is a non destructive test and indicates  Pass or Fail  If the test fails  replace the hard disk  If a problem still  exists  replace the hard disk board     The    Disk Test Clean  on page 3 2 is used to help restore the disk if  the disk contains bad data and is unusable  This test is divided into a  cleaning and a verifying or testing section     Note  This can be a very lengthy test depending on the disk size   This test leaves the hard disk unformatted  The servicer or user  must reformat the disk using the Format Disk Menu operation  This  is a destructive type of test  All the data on the disk is destroyed and  should not be performed on a known good disk     Network Card Option  Error Code 976   Network Card X  X Network card 1  2  or 3     A 976 error code indicates an unrecoverable software error in  network card x  Verify that network card x is correctly installed in the  Socket on the interconnect board and is properly grounded  If you  find no problem  contact your next level of support before replacing  the network card     Error Code 977   Network Card X    A 977 erro
174. onnect the cables from the duplex board  Use  caution to avoid damage to the cables and connectors   Remove the two duplex board mounting screws and remove the  duplex board     Duplex Front Cover Assembly    5       Lift the base printer from the duplex assembly     Remove the four duplex board cover mounting screws and  disconnect the duplex cover door switch cable at connector J6   Position the duplex assembly on its side    Gently release the three front cover assembly latches from the  bottom of the duplex assembly    Remove the duplex front cover assembly     Duplex Front Cover Door    1s  2     Remove the duplex front cover assembly    Holding the front of the assembly away from you  open the  cover door and gently pry the left side door pivot from the  mounting    Move the cover door to the left to clear the right door pivot from  the mounting and remove the duplex front cover door     Duplex Front Cover Door Switch          2     3     Remove the duplex front cover assembly    Remove the four duplex board cover screws and disconnect the  cover door switch cable at connector J6    Loosen the cover door switch mounting screw and remove the  switch     Note  Be sure the cover door switch is properly positioned in the  mounting slots when reinstalling to allow the duplex cover door  actuator arm to operate the switch     4 21 4059 Service Manual    4059 XXX  Duplex Motor         2     3     Remove the duplex front cover door    Gently disconnect the cables from the duple
175. oper operation        3   Right Transfer Arm Check the right transfer arm   Assembly assembly to make sure it is fastened  and locked in the down position  If  the arm is not locked down  check to  make sure the arm is not broken and  will lock into the EP frame correctly   Check the right transfer arm  assembly spring for proper  operation  For any background  problems  check to ensure the  contact to the HVPS board is correct  and that there is approximately 0  ohms resistance between the  transfer roll shaft and the HVPS  contact  If correct  go to    Print  Quality   Background    on page 2 96       4   HVPS   917 Error Code Check the voltage at J10 3  The  voltage changes from  24 V      with  the printer idle to 0 V dc when the  printer runs the print test  If the  voltage is incorrect  check the  continuity of line J10 3 in the front  cable harness to the HVPS  If there  is no continuity  replace the cable  harness  If there is continuity   replace the HVPS  If the problem  continues  replace the engine board              Diagnostic Information 2 106    4059 XXX   3  Diagnostic Aids  This chapter explains the tests and procedures to identify printer  failures and verify repairs have corrected the problem     To run the printer diagnostic tests described in this chapter  you  must put the printer in Diagnostic Mode        Diagnostic Mode    To enter the Diagnostic Mode     Turn the printer off   Press and hold the Go and Return buttons   Turn the printer on     Release 
176. oting value for  each area of the printer  The following table displays status bytes 1   2 and 3  This set of status bytes is designed to help isolate paper  jams and paper feed problems in the base printer        Status                                           Bytes 1  2 3 Explanation   84 xx 00 The input sensor is still covered by the first sheet of paper  through the printer and the second sheet is ready to arrive at  the sensor    84 xx 01 Video information has not started on the page at the input  sensor within two inches after activating the input sensor flag    84 xx 02 The media takes too long to complete a pass through the  input sensor    84 xx 04 This can occur when a sheet of paper is in the machine  during POST and the input sensor flag has tripped the input  sensor    84 xx 05 This error is generated whenever media is seen at the input  sensor before the sensor flag activates the input sensor    84 xx 06 A paper jam is detected by the tray you are trying to feed  from    84 xx 07 A paper jam is detected by a smart option and an error  message displays    84 xx 08 Paper Tray 5 pass thru sensor is not activated by a sheet of  paper    84 xx 09 Paper Tray 4 pass thru sensor is not activated by a sheet of  paper    84 xx 0A Paper Tray 3 pass thru sensor is not activated by a sheet of  paper    84 xx 0B Paper Tray 2 pass thru sensor is not activated by a sheet of  paper    84 xx 0C Paper Tray 5 pass thru sensor is not activated and never    deactivated  A sheet of p
177. pe feeder and is the only byte contained  in the following table                                     Explanation   00 There was no envelope feeder error reported    10 Printer failed POST   Homing of Envelope feeder  11 Printer failed POST   Halted Envelope Feeder   21 The envelope feeder failed to feed  envelope jam   30 The D C  motor failed to reach operating speed   32 The motor stalled    36 The motor failed to stop           Duplex Unit Sub Error Codes    Status byte 4 contains the most valuable information to help isolate a  failing part or assembly in the duplex option and is the only byte  contained in the following table                       Status      Byte 4 Explanation   00 No duplex error  No problem was reported to the engine by the  duplex system card    01 The leading edge of the sheet of paper never arrived at the input  sensor    02 The duplex option system board never received media notification  from the printer    03 The trailing edge of the sheet of paper never cleared the input  sensor           Diagnostic Information 2 10    4059 XXX                                  Statys Explanation   Byte 4      04 The leading edge of the sheet of paper never arrived at the exit  sensor    Note  This error is the most common due to the long length of the  paper path between the input sensor and the exit sensor    05 The duplex logic thinks a sheet of paper is feeding to the duplex  unit due to a sensor malfunction in the paper path when in fact the  printer has no
178. piece of plain white paper around the charge roll to  prevent contamination or damage     2  Carefully remove the roll by pressing outward and to the right on    the charge roll link arm and remove the charge roll from the  right side charge roll bearing     3  Remove the charge roll from the left side charge roll bearing    and remove the roll from the printer  Leave the paper wrapped    around the charge roll until it is reinstalled        FRU    Action              Charge Roll Assembly    Check the charge roll for correct  installation  toner buildup  marks   cuts or other signs of contamination  or damage  Replace as necessary        N    Left Side Charge Roll Link             Check the left side charge roll link  assembly for correct assembly  operation  Check for damage to the  arm or bearing assembly        2 29 4059 Service Manual       4059 XXX       FRU Action       3   Right Side Charge Roll Link   Check the right side charge roll link  assembly for correct assembly  operation  If incorrect  replace the  charge roll link assembly with the  charge roll link assembly kit  If  correct  check the right charge roll  link assembly bearing for signs of  wear or contamination  Excessive  contamination could cause  intermittent charging of the charge  roll  If incorrect  replace the link  assembly  Check for continuity of the  right link assembly from the bearing  to the charge roll high voltage  contact on the right side frame  If  incorrect  replace the link assembly     
179. r  message is displayed  go to the    User Error Messages  on   page 2 16     If your machine completes the  Power On Self Test  POST   on  page 2 24 without an error  and you have a symptom  go to the   Symptom Tables  on page 2 25  Locate your symptom and take the  appropriate action     If a service error code appears while you are working on the    machine  go to the  Service Error Codes  on page 2 2 and take the  indicated action for that error     2 1 4059 Service Manual    4059 XXX    Service Error Codes    Service Error Codes are generally non recoverable except in an  intermittent condition when you can POR the printer to temporarily  recover from the error condition     Error Code    Action       900 RIP Software  901 Engine Flash    Contact the next support level or call Lexmark     This error indicates that the flash which the engine board  code is programmed into is bad  Replace the engine  board        902 General  Engine Software       903 Paperport  Link Driver Error       904 Interface  Violation by the  controller  software       905 Interface  Violation by  Paperport Device       906 Controller   Engine Link  Driver Error          These errors indicate an unrecoverable engine software  error  Replace the engine board           Diagnostic Information 2 2    4059 XXX          Motor Excessive  PWM       912 DC pick  motor below  speed       913 DC pick  motor over speed       914 DC pick  motor  No  encoder feedback    Error Code Action  910 DC Pick Error Code
180. r Message displays  A sheet of    paper feeds out to the standard bin even though bin x is selected     Paper exits half way out of the redrive     Service Tip  For this type of problem check the sub error codes   They can help isolate the problem  202 Paper Jam messages can  also occur prior to the output expander pass thru sensor        FRU    Action       1   Output Expander Drive Belt  Drive Pulley Drive Belt  Idler Pulley Belt Tension  Spring    Check to ensure the output  expander drive belt is correctly  installed on the drive pulley and belt  idler pulley  Check the belt tension  spring to make sure it is not loose or  broken  Repair as necessary        2   Mechanical Linkage  DC Motor Assembly Level 2          2 81 4059 Service Manual       If the DC motor is functioning  properly check the gears  clutch and  other linkage parts for correct  operation and any signs of wear   broken gear teeth or damaged parts   If incorrect  replace the mechanical  linkage DC motor assembly        4059 XXX       FRU Action       3   Stepper Motor Level 1 Check the stepper motor connector  to ensure it is correctly installed at J4  on the output expander option board   Go to  Output Expander Control  Board   Level 1 Stepper Motor  on  page 5 22  If correct  disconnect J4  from the option board and check the  resistance of the stepper motor at  J4     J4 1 to J4 2  Approximately 10 ohms    J4 3 to J4 4  Approximately 10  ohms     Also check each winding for shorts  between J4 1 thru J4
181. r any shorts between  each pin of the motor cable and the  motor housing  If shorts are found   replace the motor  Check the  resistance of the stepper motor  between J3 1  Stpmtr A   to J3 2   Stpmtr A    The resistance  measures approximately 10 ohms   The resistance between J3 3   Stpmtr B   to J3 4  Stpmtr B    measures approximately 10 ohms  If  the resistance is incorrect  replace  the stepper motor  Check for shorts  between windings on pins J3 1 to  J3 2 and pins J3 3 to J3 4  If a short  is found  replace the stepper motor  assembly  If no short is found   replace the duplex system board                    2 37 4059 Service Manual    4059 XXX    POST fails with Close Duplex Rear Door displayed when Duplex    Rear Door is closed        FRU    Action       1   Rear Door Switch   Not installed on some  duplex units           Check the rear door for correct  installation and operation  Check to  ensure the cable or connector is not  damaged and is properly connected  at J6 on the duplex system board   The rear door switch can be checked  by measuring the continuity between  J6 1 and J6 2 on the cable  connector while actuating the rear  door switch  If there is no continuity   replace the rear door switch  assembly  If there is continuity   replace the duplex option system  board        POST fails with Insert Duplex Front Cover message displayed        FRU    Action       1   Front Cover Switch   Not installed on some  duplex units           Check the switch for correct 
182. r displays when the RIP software detects that a network  card is installed in slot x on the interconnect board but cannot  establish communications with the network card  If you are servicing  a 1650  1855  2420  2450 or 2455 and the network card works in  another slot  replace the interconnect board     2 77 4059 Service Manual    4059 XXX  Output Bin Sensor Standard Tray Service Check    Service Tip  If the output bin standard tray fills up and the bin full  sensor fails to post the message  Remove Paper Standard Bin    enter the Diagnostic Mode  select Output Bin Tests  select Sensor  Tests and select Standard Bin  Check the sensor and flag for proper  operation  If you find no problem with the sensor and flag  continue  with the service check     Service Tip  Check to make sure the correct flag is installed  The  Output Bin Sensor is a normally closed sensor with the sensor flag  down  Therefore  unless the flag is in the up position or out of the  sensor slot  a Remove Paper Standard Bin message is not  displayed              FRU Action  1   Engine Board Check the voltage at J6 3  It  measures  5 V dc when the flag is in  Printer fails to display the sensor and 0 V dc when the flag  Remove Paper Standard is out of the sensor  If the voltage  Bin message  Output Bin does not change  replace the sensor  Sensor Test fails cable assembly  If this does not fix  the problem  replace the engine  board   2   Output Bin Sensor Flag Check to make sure the correct flag    is instal
183. rbox   Replace the FRUs in the following  order     main drive gearbox    reference edge       Lines spaced 44 64 mm   1 757 inch  apart    Replace the FRUs in the following  order     developer drive assembly    main drive gearbox assembly       Lines spaced 47 19 mm   1 858 inch  apart    Replace the FRUs in the following  order     toner cartridge  charge roll    developer drive assembly             Lines spaced 49 16 mm   1 935 inch  apart       Replace the toner cartridge        2 95 4059 Service Manual       4059 XXX    FRU    Action       7  Lines spaced 49 74        1 958 inch  apart    Replace the FRUs in the following  order     redrive assembly    fuser assembly       8 Lines spaced 51 02 mm   2 009 inch  apart    Replace the transfer roll        9 Lines spaced 52 23 mm   2 056 inch  apart    Replace the redrive assembly        10 Lines spaced 76 53 mm   3 013 inch  apart    Replace the FRUs in the following  order     alignment assembly    main drive gearbox assembly       11 Lines spaced 95 66 mm   3 766 inch  apart    Replace the FRUs in the following  order     toner cartridge    main drive gearbox assembly       12 Lines spaced 99 49 mm   3 917 inch  apart    13 Lines spaced 114 79 mm   4 519 inch  apart          Print Quality   Background       Replace the redrive assembly     Replace the alignment assembly     Service Tip  Some background problems can be caused by rough    papers or non Lexmark toner cartridges  If the rough paper mode is    on  turn it off 
184. re data is  processed  but the  printer processes all  paper currently in the  paper path  Press Go  to return to Ready  after the page prints   Press Menu gt  or   lt Menu to take the  printer out of Ready  and enter the TESTS  MENU  Busy Stat    Press Select for the  values  Press Menu gt   until Reset Printer is  on the second line of  the display  Press  Select to reset the  printer        2 13 4059 Service Manual       4059 XXX    User Status Message    Status    Action       Restoring Factory  Defaults    The printer is restoring  factory defaults     No button actions are  possible while this  message is displayed        Performing Self Tests    Not Ready   Press Go     The printer is running  the normal series of  start up tests after it is  powered On  When the  tests are complete  the  printer returns to Ready     The printer is in the Not  Ready State  which  means it is not ready to  receive or process data   This message displays  when Menu   or   Menu  is pressed during a print  job     No button actions are  possible while this  message is displayed     Press Go to take the  printer out of the Not  Ready state  Press  Menu   or   Menu to  take the printer out of  Ready and enter the  TESTS MENU  Busy  State   Press Menu    until Reset Printer is  on the second line of  the display  Press  Select to reset the  printer        Resetting Printer    The printer is deleting  any print jobs in process  and restoring all settings  to user defaults     No button actions
185. rried through the printer on the backside of  the paper        FRU Action              Fuser Assembly Toner is being carried out on the  backside of the media  This problem  is generally caused by a toner  buildup on the fuser hotroll or backup  roll  Check the fuser hotroll and  backup roll for any noticeable  buildup of toner  Repair as  necessary           Transfer Roll Transfer Plate Check the transfer roll for any signs   Assembly of toner buildup or loose toner  around the area of the transfer plate  assembly  Clean the area and run  another copy  If the problem  continues  replace the FRUs in the  following order     HVPS       engine board       Smart Cartridge Service Check    Note  If you are unable to clear a    32 Unsupported Cartridge  User  Error Message  make sure an Optra Se print cartridge is correctly  installed in the printer  The cartridge is easily identified by the smart  chip located on the top right side of the cartridge  Install another  Optra Se cartridge before attempting to troubleshoot the printer   Check to make sure the smart cable is properly connected to J21 on  the engine board  Check the print cartridge for any signs of damage  or improper installation of the smart chip  Also check to make sure  there is proper contact between the smart chip and the smart  cartridge contacts     Diagnostic Information 2 102    4059 XXX    Service Tip  An intermittent    82 Unsupported Cartridge    User Error  Message can be caused by poor contact between the
186. s  at locations JP1 1 to JP1 2 and JP2 1 to JP2 2 on the engine  board     2 51 4059 Service Manual    4059 XXX  Configuration 1    A level 1 fuser board and level 1 engine board are installed in  configuration 1     Note  Check the fuser envelope conditioner solenoid adjustment as    described in the adjustment section    Fuser Solenoid Adjustment    on  page 4 3     FRU Action       1   Fuser Envelope Conditioner   The operation of the fuser solenoid  Solenoid can be observed by removing the  redrive assembly  Check for proper  mechanical operation of the solenoid  and associated hardware  link and so  on  If correct  check the resistance of  the solenoid between J4 1 and J4 2   The resistance measures between 5  ohms and 10 ohms  If incorrect   replace the solenoid assembly        2   Fuser Control Board The solenoid receives power from the  fuser control board  The fuser control  board receives  42Vdc from the LVPS  via the interconnect board and  envelope conditioner cable  Check for  approximately  42 V dc at the    42 V dc test point on the fuser control  board  If the voltage is correct  replace  the fuser control board                    Diagnostic Information 2 52    4059 XXX    FRU    Action       3   LVPS  Interconnect Board    If the  42 V dc test point does not  measure approximately  42 V dc   check the continuity of the cable  connected between J3 on the fuser  control and J1 on the interconnect  board  If the cable does not measure  continuity  replace the ca
187. s 910 911 912 913 and 914 are indications  Motor DC Pick that a Tray 1 paper feed problem has been detected  Go  Motor Stall to the    Input Tray s  Option Service Check    on   page 2 58   911 DC Pick       917 Transfer Roll    Indicates a problem in the transfer roll area  Go to the     Transfer Roll Service Check    on page 2 105        920 Fuser Error    Indicates that the fuser is below temperature when  printing  Go to the    Cold Fuser Service Check    on  page 2 48        921 Fuser Error    Indicates that the fuser is below standby temperature  when the printer is idle  Go to the    Cold Fuser Service  Check  on page 2 48        922 Fuser Error    Fuser failed to reach standby temperature  Go to the   Cold Fuser Service Check  on page 2 48        923 Fuser Error    Fuser is too hot during printing or when printer is idle  Go  to the  Hot Fuser Service Check  on page 2 50        924 Fuser Error    925 Fuser Error    An open circuit has been detected in the Fuser  Thermistor Circuit  Go to the    Hot Fuser Service Check   on page 2 50     Wrong fuser lamp installed  Check the fuser lamp for the  correct type of lamp that should be installed        927 Fan Stalled    Indicates a printer fan stalled  Go to the  Fan Service  Check  on page 2 47        928 Erase Lamps          Indicates that the engine has detected that either the  erase lamp assembly is missing or disconnected  Go to  the  Erase Lamp Service Check  on page 2 46        2 3 4059 Service Manual       4059 XXX
188. s RAM memory  SIMMS  optional input paper trays  envelope feeder  duplexer   output bins  flash or disk    Printer information such as serial number  page count  installed  RAM  engine code level  RIP code level  envelope feeder code  level  tray 1 5 code levels  output bin 1 3 code levels  control  panel code levels  font ROM version and SRAM availability     Diagnostic Aids 3 24    4059 XXX       Autocompensator Operation    The autocompensator is a paper pick device that generates its own  normal force  This force generation is inherent in the fundamental  design of the pick arm  If light media is used  it picks very gently  If a  heavy media is used  it picks very aggressively  No customer  adjustments are necessary  therefore no special trays are needed for  card stock or labels     The gearing in the arm is designed so the input torque from the  motor produces a movement about the pivot of the arm  This  movement produces a downward force at the pick rolls  The friction  between the pick roll and the paper produces a frictional locking  condition  If the paper is physically held and not allowed to feed  then  the motor stalls  Slippage between the roll and the paper is  theoretically impossible  When the motor is energized the pick rolls  are driven down into the stack increasing the normal force and drive  force until the bending strength of the paper is overcome and the  paper bends and moves up the dam  Once this critical threshold is  achieved the normal force remai
189. s entre 770  et 795 nanom  tres  L imprimante et son syst  me laser sont con  us  pour impossible  dans des conditions normales d utilisation   d entretien par l utilisateur ou de r  vision  l exposition    des  rayonnements laser sup  rieurs    des rayonnements de Classe        Avvertenze sui prodotti laser    Questa stampante    certificata negli Stati Uniti per essere conforme  ai requisiti del DHHS 21 CFR Sottocapitolo J per i prodotti laser di  classe 1 ed    certificata negli altri Paesi come prodotto laser di  classe 1 conforme ai requisiti della norma CEI 825       prodotti laser di classe non sono considerati pericolosi  La  stampante contiene al suo interno un laser di classe IIIb  3b   all arseniuro di gallio della potenza di 5mW che opera sulla  lunghezza d onda compresa tra 770 e 795 nanometri  Il sistema  laser e la stampante sono stati progettati in modo tale che le  persone a contatto con la stampante  durante il normale  funzionamento  le operazioni di servizio o quelle di assistenza  tecnica  non ricevano radiazioni laser superiori al livello della classe  1        Avisos sobre el laser    Se certifica que  en los EE UU   esta impresora cumple los  requisitos para los productos laser de Clase    1  establecidos en el  subcapitulo J de la norma CFR 21 del DHHS  Departamento de  Sanidad y Servicios  y  en los demas paises  reune todas las  condiciones expuestas en la norma IEC 825 para productos laser de  Clase    1      Los productos laser de Clase   no se co
190. s not display Output  Bin Full    Paper does not feed all the way  into the output tray           Go to the    Output Bin Sensor  Standard Tray Service Check    on  page 2 78     Go to the    Toner Sensor Service  Check    on page 2 104           Service Checks    Note  Anytime the engine board is replaced  the Configuration ID  must be reset in NVRAM on the new engine board  Go to    Setting    Configuration ID    on page 3 20     Review the following information before performing any service    checks       Paperfeed Problems  especially paper jams   Go to    Viewing  the Error Log    on page 3 8 and check the printer error log for  indications of repetitive entries that help to isolate a problem to  a particular area of the printer or option      Paperfeed Problems with error message  Use the    Sub Error  Codes For 9XX and 2XX Error Codes    on page 2 7 to help    diagnose the problem       Print Quality Problems  Go to    Print Quality Test Pages  on  page 3 23 and print a test page to help diagnose problems  before changing any settings or working on the printer      Use the resident diagnostics test provided to help isolate a  problem before taking the machine apart or removing any    options     Diagnostic Information 2 28    4059 XXX    Charge Roll Service Check    Service Tip  Close and evenly spaced repetitive marks 47 19 mm     1 86 inch  apart or spots on the page can be caused by a damaged  or contaminated charge roll     To remove the charge roll     1  Wrap a 
191. s sent to the  printer across the standard serial port  but the  port has been disabled        56 Parallel Port Disabled    58 Too Many Trays  Attached    This error is displayed when data is sent to the  printer across the parallel port  but the parallel  port has been disabled  Once this message is  displayed  reporting of further errors is  suppressed until the menus are entered  or the  printer is reset     This error code is displayed when too many input  trays are attached to the printer        58 Too Many Bins  Attached    This error code is displayed when too many  optional output bins are attached to the printer        58 Too Many Disks  Installed    This error is displayed when too many disks are  attached to the printer        61 Defective Disk    62 Disk Full    This error code is displayed when the printer  detects a defective disk  This error may occur at  power on or during disk format and write  operations  The following actions may be taken  while this message is displayed  Press Go to  clear the message  The disk is marked defective  and normal printer operations continue  Disk  operations are not allowed with a defective disk   The Format Disk menu is not shown     This error code is displayed when there is not  enough free space on the disk to hold the  resources that have been requested to be written  to the disk  This message displays for both  resource and PostScript Disk operators when the  disk is full        63 Unformatted Disk          This error co
192. s the wrong fuser lamp is installed in the printer and does not  match the one stored in the printer code     Service Tip  Set the Fuser Temperature to NORMAL before starting  this service check           FRU Action  1   Fuser Lamp  Incorrect Install the correct voltage and  Lamp 925 Service Error  wattage lamp or fuser assembly              Diagnostic Information 2 48    4059 XXX    FRU    Action       2   Fuser Lamp    Remove the controller board  Run  the Diagnostic Print Test and  observe the lamp through the left  side frame  If the lamp doesn   t come  on  unplug the printer and check the  continuity between the two pins on  the fuser lamp cable going to the  fuser assembly  If you do not  measure continuity  remove the fuser  assembly and check the continuity of  the lamp  If incorrect  replace the  lamp  If correct  replace the fuser  cover assembly        3   LVPS and AC Fuser Lamp  Cable    Turn the printer off  Disconnect the  fuser lamp connector at the fuser  assembly  Turn the printer on and  check across the pins on LVPS end  of the cable for line voltage  If  incorrect  turn the printer off and  disconnect the power cord and  check the continuity of the AC fuser  lamp cable  If incorrect  replace the  cable  If correct  replace the LVPS        4   Fuser Top Cover Assembly   Thermal Fuse Thermistor  Assembly              Disconnect the thermistor cable from  the fuser board at J2  The resistance  is as follows    HOT   J2 1   J2 2   2 5K ohms    COLD   150K ohm
193. s to 260K ohms       2 49 4059 Service Manual       4059 XXX  Hot Fuser Service Check    Error codes 923 and 924 may display for a hot fuser failure     CAUTION  The fuser may be hot  use caution before removing or  servicing     FRU Action       1   Fuser Cover Assembly Check for damage to the thermistor    Assembly includes assembly  Check the resistance of   Thermistor and Thermal the themistor    Fuses    HOT   J2 1 to J2 2   2 5K ohms    COLD  150K ohms to 260K ohms  Check the continuity from each pin    of J2 to ground  If there is continuity   replace the fuser cover assembly       2   Engine Board Error code 924 indicates the engine  board detects an open circuit in the  thermistor circuit for the fuser  assembly  The voltage on J2 6 on  the engine board measures  approximately  5 V dc  If incorrect   replace the engine board  If correct   check the continuity of the DC fuser  cable connected between J2 on the  engine board and J1 on the fuser  control board  In there is no  continuity  replace the cable  If there  is continuity  check the voltage on  J2 2 on the fuser control board  It  measures approximately  5 V dc  If  incorrect  replace the fuser control  board        3   Fuser Hot Roll Examine the fuser assembly for   Backup Roll Bearings signs of overheating or damage   Check the hot roll and backup roll for  signs of excessive toner  label glue   labels or other contaminants  If any  are found  repair as necessary or  replace the fuser assembly              Di
194. serprodukter  og er i andre land  godkjent som et Klasse l laserprodukt i samsvar med kravene i IEC  825     Klasse l laserprodukter er ikke    betrakte som farlige  Skriveren  inneholder internt en klasse 1116  3b  laser  som best  r av en  gallium arsenlaserenhet som avgir str  ling i belgelengdeomr  det  770 795 nanometer  Lasersystemet og skriveren er utformet slik at  personer aldri utsettes for laserstr  ling ut over klasse I niv   under  vanlig bruk  vedlikehold som utf  res av brukeren  eller foreskrevne  serviceoperasjoner        Av  s sobre el L  ser    Segons ha estat certificat als Estats Units  aquesta impressora  compleix els requisits de DHHS 21 CFR  apartat J  pels productes  l  ser de classe    1   i segons ha estat certificat en altres llocs    s un  producte l  ser de classe   que compleix els requisits d IEC 825     Els productes l  ser de classe   no es consideren perillosos  Aquesta  impressora cont   un l  ser de classe 1116  3b  d arseni  r de gal li   nominalment de 5 mil liwats  i funciona    la regi   de longitud d ona  de 770 795 nan  metres  El sistema l  ser i la impressora han sigut  concebuts de manera que mai hi hagi exposici   a la radiaci   laser  per sobre d un nivell de classe   durant una operaci   normal  durant  les tasques de manteniment d usuari ni durant els serveis que  satisfacin les condicions prescrites     XV 4059 Service Manual    4059 XXX       Japanese Laser Notice    L   3    icBiy             107  9   18                    
195. signs of  damage to the connector or  contacts  If you find damage  replace  the damaged cable connector  assembly  Remove the envelope  feeder option and check the voltages  at the autoconnect on the front of the  printer  If incorrect  check the  interconnect board  If correct   reinstall the envelope option and  continue with step 3        2 39 4059 Service Manual       4059 XXX          FRU Action       Autoconnect on the Check the connector for any signs of  Envelope Option damage to the connector or    contacts  If you find damage  replace  the damaged cable connector  assembly  Disconnect the  autoconnect cable at J1 on the  envelope system board and  measure the following voltages     J1 3 measures  5 V dc  J1 5 measures  5 V dc  J1 7 measures  24 V dc    If any of the voltages are incorrect   replace the autoconnect  cable connector  If the voltages are  correct  replace the envelope system  board              Diagnostic Information 2 40    4059 XXX    Operator panel displays 260 Paper Jam immediately when  envelope feed is requested   POST incomplete        FRU    Action       1   Pass through Sensor             Check for any debris  pieces of  envelope and so on over the pass  thru sensor  Check for correct  installation of the pass thru sensor  flag  Make sure the sensor cable is  attached to the envelope system  board  Perform an envelope feeder  sensor test to check both the sensor  and sensor flag     Note  It may be necessary to use a  small tool to actuate th
196. solenoid mounting screw  A    Disconnect the solenoid link  B     4  Remove the solenoid from the fuser assembly     Note  Do the    Fuser Solenoid Adjustment    on page 4 3 whenever  you replace the fuser solenoid     on  gt        A  202  B    Fuser Exit Flag Assembly    1  Remove the fuser assembly   2  Remove the fuser exit flag assembly     4 31 4059 Service Manual    4059 XXX  Fuser Exit Roll Assembly    1  Remove the fuser assembly    2  Press the exit shaft bushing retaining tabs and slide the left and   right bushings  A  toward the inside of the fuser assembly    3  Remove the exit roll assembly from the slots in the side frame   Note  Be sure the fuser idler gear  B  is in place and the bushing  alignment tab is rotated to the correct position in the side frame slot  as you snap each bushing in place when reinstalling the exit roll  assembly     B       Repair Information 4 32    4059 XXX  Fuser Lamp    1  Remove the fuser assembly    2  Caution  Hold the left lamp bracket and carefully remove the  two mounting screws  There is pressure against the other end  of the lamp therefore care must be used when removing the  lamp from the fuser  Grip the lamp by the ceramic end piece and  remove it from the fuser assembly  Be careful not to touch the  glass as skin oils and acids can reduce the life of the lamp     3  Remove the fuser lamp     Note  Be sure to position the left lamp mounting bracket around the  fuser lower exit guide mounting pin when reinstalling the lamp
197. sor mounting 1  102       i i charge roll mounting 1  Wr main drive gearbox mounting 3  EP module to left and attach 9  right side frame  developer drive mounting 2  assembly  left side cover gap to left   attach 2  frame  stacker duct to frame mounting 2  cartridge hold down mounting 2  assembly  MPT deflector mounting 2  fuser to frame mounting 2  interconnect board attach 2  shield ground  engine board shield to attach 1  frame  laser cover mounting 5             4059 XXX                                              a Screw Type Location Purpose Qty  M3 5x8 mm spring mounting 1  Thread Cutting  E controller board mounting 2   front   102 CC   ii integrated tray ITC mounting   2    i board  left side cover mounting 5  stacker support to right attach 2  side frame  M3 5x12 mm engine board shield to attach 1  Thread Cutting   left frame  D paper alignment mounting 2  104 CD assembly  T E  i i toner cartridge guide mounting 2    i track  left side frame to center   attach 3  pan  right side frame to attach 2  center pan  deflector mounting 2  M3x5 mm INA cover attach 6  Taptite  2 screws per cover   201 t interconnect board mounting 5                         Repair Information 4 8    4059 XXX                                                                Reference     Number Screw Type Location Purpose Qty  M3x6 mm outer shield mounting 6  Taptite   inner redrive deflector mounting 2  interconnect board to mounting 2  center pan  engine board mounting 2   bottom holes   contro
198. stall with the paper out sensor flag positioned in the  sensor slot on the paper tray board     Paper Tray Paper Out Sensor Flag    1  Remove the paper tray frame assembly   2  Remove the paper tray board   3  Remove the paper out sensor flag     Paper Size Spring Comb    1  Remove the paper tray board     2  Remove the paper size spring comb mounting screw and  remove the spring comb     Repair Information 4 50    4059 XXX  Outer EMC Shield    1  Remove the left door     2  Loosen the six outer EMC shield mounting screws  A  and  remove the shield     A  202           A  202     4 51 4059 Service Manual    4059 XXX  Paper Alignment Assembly    Remove the upper paper deflector assembly    Remove the inner paper deflector assembly    Release the input paper sensor from its mounting and remove   Remove the left door     Remove the two paper alignment assembly mounting screws   A  located inside the printer                                      104     Repair Information 4 52    4059 XXX    6  Locate the paper alignment assembly reference adjustment  screw  B  through the left frame and remove the screw     7  Remove the paper alignment assembly     Note  Do the  when you reinstall the assembly         9940492        Paper Input Sensor    1  Remove the inner paper deflector assembly   2  Disconnect the paper input sensor cable from the input sensor   3  Release the input paper sensor from its mounting and remove     4 53 4059 Service Manual    4059 XXX  Paper Size Sensing Board  
199. stic Information 2 6    4059 XXX             Error Code Action   982  lt device gt  Communications error detected by the specified device    Comm   983  lt device gt  Invalid command received by the specified device    984  lt device gt  Bs command parameter received by the specified  evice     Note  Service Errors 980 thru 984   device   can be one  of the following  engine board  duplex  tray x  1 2 3 4 or  5   envelope feeder or bin x  1 2 or 3         990   device   Indicates an equipment check condition has occurred in  the specified device  but the device is unable to identify  the exact component failure     Note    device   can be one of the following  duplex  tray  X  1 2 3 4 or 5   envelope feeder or output bin x 1 2 or 3         991   device   The specified device has detected an equipment check  Card in its system card     Note    device   can be one of the following  duplex  tray  x 1 2 3 4 or 5   envelope feeder or output bin x  1 2 or 3                  Sub Error Codes For 9XX and 2XX Error Codes    The sub error codes are helpful troubleshooting a paper path  problem  especially paper jams in the base printer  envelope feeder  and duplex unit     The following is an example of how the printer displays a duplex unit  sub error code        Byte 1 Byte 2 Byte 3 Byte 4  DU XX XX XX XX  DU XX XX XX XX    Byte 5 Byte 6 Byte 7 Byte 8             2 7 4059 Service Manual    4059 XXX    Base Printer Sub Error Codes    Each status byte has a different level of troublesho
200. sts menu       The power indicator blinks while the test is running            Flash Test Test Passed  message displays if the test passes  and the power indicator turns on solid          Flash Test Test Failed  message displays if the test fails and  the power indicator turns on solid     2  Press Go or Return Stop to return to the Device Tests menu   Disabling Download Emulations    Error Code 964  Download Emulation CRC Failure  Checksum  failure detected in the emulation header or emulation file     Error Code 965  Download Emulation Outdated  Time stamps  indicate the download emulation and RIP code are incompatible     To help resolve Download Emulation problems the following steps  are necessary to instruct the printer to POR without activating any  download emulations     To Disable the Download Emulation     1  Turn the printer off   2  Press and hold the Go and Menu buttons     3 3 4059 Service Manual    4059 XXX   3  Turn the printer On and release the buttons once    Performing  Self Test    displays       Once the printer is idle  the emulation can be downloaded   again    4  Program the download emulation into the code overlay SIMM  again    5  If these steps do not resolve the problem  replace the code  overlay SIMM and download the emulation again        Duplex Tests    Duplex Quick Test    This test is used to verify that the Duplex Option Top Margin is set  correctly  This test prints a duplexed version of the Quick Test Page  that can be used to adjust the 
201. surface to  avoid gear damage  It is also very important not to let any dirt  paper   staples or other material come intact with the grease in the gearbox  assembly           FRU Action   Main Drive Assembly Remove the controller board and run   Excessive noise or a Diagnostic Print Test in the  vibration  continuous mode  Check the main    drive assembly for any excessive  noise or vibration  Determine if the  noise is in the main drive  toner  cartridge  fuser or main drive  gearbox  Look for any loose or worn  parts in the developer drive  assembly  main drive gearbox or  fuser  Repair as necessary        Main Drive Motor Assembly A service error code 936   Transport   Excessive noise  gears Motor may be displayed  Check the  ratcheting and so on  voltage at J12 6 on the engine  board  It measures approximately   5 V dc when the motor is not  running and goes to 0 V dc when the  motor is running  If incorrect  replace  the engine board  If this does not fix  the problem  replace the main drive  motor           Main Drive Motor Cable Check the continuity of the main  drive motor cable  If incorrect   replace the cable                 2 73 4059 Service Manual    4059 XXX       FRU Action       4 Motor does not turn  no Check the voltages at J12 on the  gear error code 936 or User engine board   message 201 Paper Jam  displays  Pin number and voltage   J12 1    24 V dc    J12 4    5 V dc  static  0 V dc   when main drive motor running     J12 5     5 V       static  0 V dc   
202. t  Be careful  not to short between the test point and  any other pin  The voltage measures  approximately  42 V dc  If correct   replace the engine board        5   LVPS Interconnect Board Check the voltage at CN3 18 on the  LVPS  It measures approximately   42 V dc  If incorrect  replace the  LVPS  If correct  replace the  interconnect board                    Input Sensor Service Check    Service Tip  Run the base sensor test  Check the input sensor for  proper operation  The display changes from open to closed as the  sensor flag is manually moved in and out of the sensor     Service Tip  Run a Diagnostic Print Test in the continuous mode with  the controller board removed  A defective input sensor or circuit  causes the first copy to exit only partially through the fuser assembly        FRU Action       1   Input Sensor Flag Check the input sensor flag for  damage and proper operation  If a  problem is found  repair as  necessary        2   Engine Board Check for approximately  5 V dc at  J10 10 on the engine board  If  incorrect  replace the engine board        3   Input Sensor Cable Check the continuity of the input  sensor cable  If incorrect  replace the  cable  If correct  replace the input  sensor assembly                    2 57 4059 Service Manual    4059 XXX  Input Tray s  Option Service Check    250 Sheet  500 Sheet and 500 500 Sheet Input Tray Option    Service Tip  Try all the other input paper sources to make sure they  are properly feeding paper     For 990
203. t  hardware by using a wrap plug  P N 1329048  and invoking the  Serial Post Diagnostic Test  The test helps isolate the printer from  the serial cable and host  The test provides failure information on the  display for approximately three seconds  If the test indicates a  problem  replace the controller board     ner Sensor Service Check    Service Tip  Check the print darkness MENU setting before  checking the toner sensor     This service check is intended to be used when a 929 Service Error  displays        FRU Action              Developer Drive Assembly Incorrect operation of the developer  drive assembly can cause the printer  to display a 929 error code  Toner  Sensor   Check the developer drive  assembly for correct installation  any  sign of worn  loose or broken parts           Toner Sensor Cable Check the toner sensor assembly  cable to make sure it is properly  seated into the toner sensor  If  correct at both the sensor and  engine board  J10   check the  continuity of the cable  If incorrect   replace the cable           Diagnostic Information 2 104    4059 XXX    FRU Action                  Toner Sensor The toner sensor cable is part of the  front harness and part of connector  J10 on the engine board  Check the  voltage at J1 011  It reads  approximately  5 V dc  If incorrect   replace the engine board  If correct   check the voltage at J10 12  It reads  approximately  5 V dc with the  controller board removed from the  printer  If incorrect  replace the  eng
204. t sent a command to send a sheet of paper to the  duplex unit    06 The exit sensor detected a sheet of paper too early    07 The sheet of paper   s trailing edge did not clear the exit sensor in  the desired length of time    08 The feed motor experienced a complete motor stall         The D C  motor is under speed  The motor never reached the  correct operating speed    13 There is paper left in the duplex option  Paper was sensed during  the homing operation during POST    15 There is paper left in the duplex option  Paper was sensed during  the DC motor diagnostic test during POST    18 The D C  motor experienced an acceleration error    3D There is paper left in the duplex option  Paper was sensed during  IR clear during POST        2 11 4059 Service Manual       4059 XXX    User Status Messages       User Status Message    Status    Action       Ready    Ready Hex    The printer is ready to  receive and process  data     The printer is ready and  HEX Trace is active   which is known as HEX  Trace Ready     Press Menu gt  or   lt Menu to take the  printer out of Ready  and enter all the  Menus except the  TESTS MENU  Busy  State      Press Menu gt  or   lt Menu to take the  printer out of Ready  and enter the TESTS  MENU  Busy State    Press Select for the  values  Press Menu gt   until Reset Printer is  on the second line of  the display  Press  Select to Reset the  printer        Busy    The printer is busy  receiving or processing  data  or printing data     Note  The
205. the Base Sensor Test     1  Select the Base Sensor Test       The operator panel displays OP for open and CL for closed     2  Manually toggle the sensors by hand to verify that each sensor  switches from open to closed     3 17 4059 Service Manual    4059 XXX       Print Registration    The print registration range is as follows     Bottom Margin   20 to  20  Top Margin   25 to  25  Left Margin   25 to  25  Right Margin   10 to  10    To set Print Registration     5       Select Registration from the Diagnostic menu     The Top margin sign value pair blinks  This indicates it is the    margin value being changed       To select the margin value to be changed press Select until the    margin value pair you want to change is blinking       To change the margin value press either Menu   or   Menu     When the value you want is displayed  press Select to save the  value     To exit the Registration menu  press Return     To verify the margin values are correct you must print the  Quick Test  Page  from the registration screen  Press Go to print the test page   While printing the Quick Test Page the  Quick Test Printing   message displays  Once the Quick Test Page completes printing   the Registration screen displays again     The  Quick Test Page  should be printed on letter or A4 paper     Diagnostic Aids 3 18    4059 XXX       Printer Setup    Setting the Page Count    This lets the servicer change the page count from the diagnostic  menu  This is used whenever the engine boar
206. the buttons when  Performing Self Test  displays on  the operator panel     Boo qe    The tests display on the operator panel in the order shown       Print Registration     Print Tests     Hardware Tests     Duplex Tests  If installed     Input Tray Tests     Output Bin Tests     Base Sensor Tests     Printer Setup     Error Log     EP Factory Defaults    Exiting the Diagnostics Mode    Select Exit Diagnostics to exit the Diagnostics Mode and return to  normal mode     3 1 4059 Service Manual    4059 XXX       Device Tests    Quick Disk Test    This test performs a non destructive read write on one block per  track on the disk  The test reads one block on each track  saves the  data  and proceeds to write and read four test patterns to the bytes  in the block  If the block is good  the saved data is written back to the  disk     To run the Quick Disk Test     1  Select the Quick Disk Test from the Device Tests menu       The power indicator blinks while the test is in progress            Quick Disk Test Test Passed    message displays if the test  passes and the power indicator turns on solid            Quick Disk Test Test Failed  message displays if the test  failed and the power indicator turns on solid     2  Press Go  Return  or Stop to return to the Device Tests menu     Disk Test Clean    WARNING  This test destroys all data on the disk and should not be  attempted on a good disk  Also note that this test may run  approximately 1 1 2 hours depending on the disk size  
207. the option system  board   The paper out sensor is  mounted on the system board         Diagnostic Information 2 60    4059 XXX  Printer does not recognize Tray X is installed           FRU Action  1   Autoconect Cables Check the autoconnect from the  Tray X System Board printer or option above tray x  Check    for signs of cuts  pinched wiring or  damage to the contacts in the  connector  Check the autoconnect  cable s  for correct installation at the  tray x system board  If correct  check  the continuity of the autoconnect  cable s   If correct  replace the tray x  system board  If incorrect  replace  the cable                    Paper from Tray X does not reach the Pass Thru Sensor     Service Tip  Check the media in tray x to make sure it is within  specifications  Some types of labels  foil material and slick papers  can cause misfeeds and slippage of the rollers           FRU Action  1   Autocompensator Check the autocompensator pick  Assembly arm rollers for any sign of glazing     toner or other buildup  Clean or  replace as necessary                    High Capacity Feeder Input Tray Service Check    Note  Voltage measurements in the high capacity feeder input tray  service checks must be made with the high capacity feeder attached  to the base printer to obtain accurate results     Service Tip  Be sure the paper size switch is set to the correct paper  size setting and the rear paper guides are in the correct locations for  the size of paper installed in the high c
208. tic Print Tests is to verify that the printer  can print on media from each of the installed input options  Each of  the installed options is listed in the following order in the menu     Tray 1   Tray 2  if installed    Tray 3  if installed    Tray 4  if installed    Tray 5  if installed    Multipurpose Feeder  if installed   Envelope Feeder  if installed     For each input source selected you have the following choice       Single  prints the Print Test Page once       Continuous  continue printing the Print Test Page until Return or  Stop is pressed      Diagnostic Aids 3 22    4059 XXX    The contents of the Print Test Page varies depending on the media  installed in the selected input source     Note  The Print Test Page always prints on one side of the paper   regardless of the duplex setting or the presence of a duplex option     To run the Print Test Page     1  Select Print Tests from the Diagnostic menu   2  Select the media source   3  Select Single or Continuous       If single is selected no buttons are active during printing         If continuous is selected  Return or Stop can be selected to  cancel the test     Check each Test Page from each source to assist in Print Quality  and Paper Feed problems     Print Quality Test Pages    The purpose of this diagnostic function is to allow printing of the print  quality test pages with the toner cartridge lockout function disabled   The print quality test consists of three pages  Page one contains a  mixture of graphi
209. to erase  lamp assembly for correct  installation  If incorrect  repair as  necessary        2   Engine Board Remove the controller board and  toner cartridge from the machine   Ground pin J10 15  The erase lamps  turn on  The lamps can be observed  through the front of the machine with  the cover open and print cartridge  removed  If the lamps do not turn on   measure the voltage on J10 14  The  voltage reads approximately    24 V       If incorrect  replace the  engine board  If correct  check the  voltage at J10 15  The voltage reads  between  15 V dc to  20 V dc  If  incorrect  check the continuity of the  erase lamp lines in the main  harness  If incorrect  replace the  cable harness  If correct  replace the  erase lamp assembly              Diagnostic Information 2 46    4059 XXX  Fan Service Check    Auxiliary Fan Service Check    The auxiliary fan is in models 2420  2450  2455 and 3455     Fan does not run or is noisy        FRU    Action       1   Fan Assembly    Check the fan for proper installation  and for excessive noise  If incorrect   replace the fan and cable assembly        2   Engine Board             Check to make sure the auxiliary fan  cable is seated on connector J7 on  the engine board  If correct  check  for  24 V dc on J7 1 on the engine  board  If incorrect  replace the  engine board  If correct  replace the  fan assembly     Note  When the printer is in warm   up the voltage at J7 1 measures  approximately  12 V dc  When the  printer is running  the
210. ts may not always  be obvious  Lexmark is not responsible for the use of other  replacement parts      The maintenance information for this product has been  prepared for use by a professional service person and is not  intended to be used by others      There may be an increased risk of electric shock and personal  injury during disassembly and servicing of this product   Professional service personnel should understand this and take  necessary precautions        Consignes de S  curit        Ce produit a   t   concu  test   et approuv   pour respecter les  normes strictes de s  curit   globale lors de l utilisation de  composants Lexmark sp  cifiques  Les caract  ristiques de    xvii 4059 Service Manual    4059 XXX    s  curit   de certains   l  ments ne sont pas toujours   videntes   Lexmark ne peut   tre tenu responsable de l utilisation d autres  pi  ces de rechange      Les consignes d entretien et de r  paration de ce produit  s adressent uniquement    un personnel de maintenance  qualifi        Le d  montage et l entretien de ce produit pouvant pr  senter  certains risques   lectriques  le personnel d entretien qualifi    devra prendre toutes les pr  cautions n  cessaires        Norme di sicurezza         prodotto    stato progettato  testato e approvato in conformit   a  severi standard di sicurezza e per l utilizzo con componenti  Lexmark specifici  Le caratteristiche di sicurezza di alcune parti  non sempre sono di immediata comprensione  Lexmark non     responsabil
211. uplex Tests menu     Manually actuate each of the duplex sensors  When the sensor   switch is closed  CL  closed  displays  when the sensor switch is  open  OP  Open  displays     Duplex input sensor  Duplex exit sensor    Duplex front cover switch  not installed on all duplex options   Duplex rear door switch  not installed on all duplex options     Press Return Stop to exit the test   Duplex Motor Test    This test lets you test the duplex unit   s paper feed drive system  and  verify that the power and velocity values are acceptable     To run the Duplex Motor Test     1  Select Motor Test from the Duplex Tests menu  The duplex  motor test continues to run until the printer is powered off         The power indicator blinks while the test is running         The duplexer runs the motor at a high speed and then a low    speed and takes an average of the power required for each  speed         After all the information is computed  the motor turns off     3 5 4059 Service Manual    4059 XXX    The following appears on the printer display     DUPLEX MOTOR AA  BB CC DD EE FF    To pass the test the following results must display     AA   00   BB   in the range of 20 through 3F inclusively  hex   CC   in the range of 3A through 5D inclusively  hex   DD   in the range of 11 through 1F inclusively  hex   Ignore bytes EE and FF     If the test fails  remove the drive belt from the duplex D C  motor and  run the motor test again  For the duplex D C  motor to pass the test  the followi
212. uth Africa   14 2 1342534 1 Power Cord Set  8 ft    Chile  HV    14 2 1339543 1 Power Cord Set  8 ft    Denmark   14 2 1339542 1 Power Cord Set  6 ft    Italy   14 2 1374067 1 Power Cord Set  8 ft    Peru  HV    14 2 99A0471 1 Power Cord Set  8 ft  straight 1855   01   14 2 99A0493 1 Power Cord Set  6 ft  straight 1855   01   14 2 99A0496 1 Power Cord Set  8 ft  right angle 1855   01   14 2 99A0497 1 Power Cord Set  6 ft  right angle 1855   01   14 3 99A0215 1 Fuse  110 V ac LVPS   14 3 99A0205 1 Fuse  220 V ac   14 4 99A0214 1 LVPS  110 V ac 2420 2450 2455 3455   14 4 99A0216 1 LVPS  110 V ac 1620 1650 1625 1855   14 4 99A0218 1 LVPS  110 V ac 1250 1255   14 4 99A0199 1 LVPS  220 V ac 2420 2450 2455 3455   14 4 99A0201 1 LVPS  220 V ac 1620 1650 1855 1625   14 4 99A0203 1 LVPS  220 V ac 1250 1255       Parts Catalog 7 37       4059 XXX  Assembly 14  Electronics  continued           7 38 4059 Service Manual    4059 XXX                          ELSE Units   Description  14 5 1 Screw  HVPS Mounting PP 99A0263  14 6 1 Screw  Engine Bd Mounting Top PP 99A0263  14 7 99A0220 1 High Voltage Power Supply  14 7 99A0827 1 High Voltage Power Supply 3455  14 8 99A0376 1 Interconnect Board Assembly  2450 2455 3455  o 3 Slot  14 8 99A0930 1 Interconnect Board Assembly  1650 1855 2420     2 Slot  14 8 99A0960 1 Interconnect Board Assembly  1250 1255 1620 1625  01 Slot  14 9 2 Screw  Int Board Mounting PP 99A0263  14 9 1 Screw  Int Board Shield Ground PP 99A0263  14 9 2 Screw  Int Shield Mou
213. vel for software support        941 Controller  Code CRC    Replace the controller board        941 Controller  Font CRC    Replace the controller board        943 Controller  Font Version    944 Controller    Indicates that the controller code and FONT ROM are  incompatible     Replace the controller board     Board Failure       945 Controller  Board Failure    ASIC Failure    Replace the controller board        946 Controller  Board Failure      Replace the controller board                 SRAM Failure   947 Engine Replace the engine board    Board   953 NVRAM Indicates the NVRAM Chip on the engine board has  Failure failed  Replace the engine board    954 NVRAM Indicates the NVRAM experienced a CRC failure   Failure Replace the engine board           2 5 4059 Service Manual       4059 XXX    Error Code    Action       956 Configuration  ID    Indicates a problem with the Configuration ID  This error  occurs because the engine received a configuration ID  from the controller software which is not valid for the  level of engine code existing in the printer  Setting the  configuration ID correctly should fix this error  The ID can  be set via the NPA data stream or operator panel     Note  This error is not generated at POR to allow the  servicer a method of resetting the configuration ID   However  setting the configuration ID is the only  operation that the servicer can perform  See    Setting  Configuration ID    on page 3 20        960 RAM  Memory Error    Indicates a DR
214. verified  If  the ID is valid then the ID is saved in NVRAM and the printer  automatically PORs to activate the new setting     Note  When the printer PORs it does so in the normal mode   Restore EP Factory Defaults    To restore each of the printer settings contained in the EP Setup  menu to their factory default value select Restore from the menu  To  exit the menu without restoring the settings to the factory default  values  select Do Not Restore  Sometimes this is used to help  correct print quality problems     Fuser Temperature    This adjustment can be used to help solve some customer problems  with paper curl on low grade papers and or problems with letter  heads on some types of media     The fuser temperature can be adjusted as follows       NORMAL    LOWER    LOWEST    Warm Up Time    You can change the amount of time the printer warms up before  allowing pages to print by changing this setting from 0 to 5  The  factory sets the warm up at 0 or no warm up time  This time period  allows the backup roll to heat up and helps reduce curl in some  environments     Transfer  The transfer can be adjusted as follows     e LOW    MEDIUM    HIGH    3 21 4059 Service Manual    4059 XXX  Print Contrast    The print contrast setting controls the developer voltage offset   The print contrast can be adjusted as follows       LOW    MEDIUM    HIGH    Charge Roll  The charge roll can be adjusted as follows       LOW    MEDIUM    HIGH       Print Tests    The purpose of the diagnos
215. when main drive motor running     J12 6    5 V       static    2 5 V dc   when main drive motor running     J12 7    5 V       static  0 V dc   when main drive motor running     J12 8    5 V       static   5 V dc   when main drive motor running     J12 11   5 V dc  static  0 V dc   when main drive motor running     If the voltage is incorrect  replace the  FRUs in the following order     main drive motor assembly    engine board             Operator Panel Service Check  Operator Panel Buttons Service Check    Note  Before continuing with this service check do the  Button Test   on page 3 9 in the diagnostic aids chapter  The operator panel cable  is a individual cable on some printers and a combination cable  assembly with the cover switch cable on later models        FRU Action              Operator Panel Assembly If any button fails the Button Test   replace the operator panel assembly              Diagnostic Information 2 74    4059 XXX    FRU    Action       IW    Engine Board   No buttons work              Check the voltage at J11 5  The  voltage measures approximately    5 V      with the controller board  removed  If incorrect  replace the  engine board  If correct  check the  continuity of the operator panel  cable  If incorrect  replace the cable   If correct  replace the operator panel  assembly        Operator Panel Display Service Check    SERVICE TIP  The printer has detected a problem with the engine  board  operator panel cable or operator panel assembly if POS
216. x board  Use  caution to avoid damage to the cables and connectors   Remove the four mounting screws from the left and right return  guides and remove the guides       Remove the four mounting screws on the right side of the    duplex frame assembly       Position the duplex assembly on its side     Gently release the center drive deflector assembly latch from    the bottom front left side of the duplex assembly       Remove the center drive deflector assembly and the frame    assembly from the duplexer       Remove the two duplex motor mounting screws and remove the    motor     Note  Pay attention to cable routing to avoid pinching or cutting  wires during reassembly  Ensure cables are securely placed into the  cable retaining tabs  Do the adjustment    Duplex Motor Drive Belts     on page 4 2 whenever you remove or replace the duplex motor     Repair Information 4 22    4059 XXX  Engine Board    Remove the inner EMC shield   Disconnect all cables from the engine board   Remove the four engine board mounting screws  A    Remove the engine board cage mounting screw  B  from the  main drive motor assembly    5  Remove the engine board   Note  Anytime the engine board is replaced  the Configuration ID  must be reset in NVRAM on the new engine board  Go to    Setting  Configuration ID    on page 3 20     a ce    A  202  B  104        A  202     EP Frame Assembly    1  Remove the left and right side frames   2  Remove the EP frame assembly     4 23 4059 Service Manual    4059 XX
217. y  o Lens  Erase Lamp  12 5 99A0185 1 Shaft  Transfer Pivot  12 6 99A0181 1 Spring  Transfer Roll Left  12 7 99A0354 1 Arm  Transfer Roll Left  NS 1 Retainer  Pivot Shaft PP 99A0267          Parts Catalog 7 33    4059 XXX  Assembly 13  Charging       7 34 4059 Service Manual                      ma LE Units   Description   13 1 99A0512 1 Link Assembly  Charge Left Kit  13 2 99A0513 1 Link Assembly  Charge Right Kit  13 3 99A1033 1 Roll Assembly  Charge   NS 1 Screw  Charge Roll PP 99A0263       Parts Catalog 7 35       4059 XXX  Assembly 14  Electronics          7 36 4059 Service Manual    4059 XXX                   e Ae Units   Description   14 1 99A0900 1 Engine Board Assembly with laser cable  1250 1255   14 1 99A0901 1 Engine Board Assembly with laser cable  1620 1625 1650   14 1 99A0902 1 Engine Board Assembly with laser cable  1855 1855   01   14 1 99A0903 1 Engine Board Assembly with laser cable  2420 2450 2455   14 1 99A0946 1 Engine Board Assembly with jumpers 3455   14 2 1342514 1 Power Cord Set  8 ft    U S   Canada  LV    Nicaragua  Venezuela  Peru  LV   Bolivia   Colombia  Costa Rica  Ecuador  El Salvador   Guatemala  Honduras  Mexico  Panama   14 2 1339538 1 Europe  6 ft    14 2 1342536 1 Power Cord Set  6 ft    Argentina  HV    Paraguay  HV   Uruguay  HV   APG  LV    14 2 1342537 1 Power Cord Set  8 ft    U K   Ireland   14 2 1339539 1 Power Cord Set  6 ft    Israel   14 2 1339540 1 Power Cord Set  6 ft    Switzerland   14 2 1339541 1 Power Cord Set  6 ft    So
218. y the paper arriving at the sensor too  late  the paper is jammed in the fuser assembly or is jammed exiting  the fuser assembly in the redrive assembly or the exit sensor flag is  not operating correctly     Paper Jams   Options  Error Message 230 Paper Jam   Check Duplex    The paper is most likely jammed in the duplex unit  however the  paper can also be jammed in the redrive at the input to the duplex  option  The redrive assembly may not be correctly installed or locked  in position or the duplex link is bent and not aligned properly to allow  paper to feed correctly into the duplex option     Error Message 24x  x Tray 1 through 5  Paper Jam Check Tray x     The paper has not cleared the pass through sensor or reached the  pass through sensor of the option above tray x     3 29 4059 Service Manual    4059 XXX  Error Message 250   Paper Jam   Check MP Feeder    The paper is jammed in the multipurpose feeder and has not  reached the base machine input sensor or has not reached the input  sensor in time     Error Message 260 Paper Jam   Check Envelope Feeder    An envelope is jammed in the envelope feeder or has not reached  the base machine input sensor     Error Message 27x Paper Jam   Check Bin x     Paper is jammed in output bin x  X bin 1 thru 3   Generally this  message appears when the paper has not cleared the exit sensor in  time  has jammed in the redrive assembly or has not fed into the  output bin selected     Diagnostic Aids 3 30    4059 XXX  4  Repair Informat
    
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