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        Service Manual - Triumph Adler
         Contents
1.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       LI    QNO    2  MIOSIO   glg pos SH  e NAGHdO paeo Domm SE  3 y asao       dOOGNdNOGA   18  LY  OZv 0Z8   dNOQ d2OGA 322  OS S oasao          NOOGA NWOGA   28   ZV 6L V 6 8   NNOGNNOOGA GOA  SS  ps a ONO   e SOA  9m  ER 9 6407     9 ao oe SPOQNdAOGA   e8   ev 8Lv 818  dAOQACDOQA  38 2 ano 4   NXOQA NAOGA    8  vY 21W 2L8  NAOQNINNOGA  2 8 dso  9 8 QNS QNO9   S8   SV 9LW 918  QNS QN9    6 PESO 6  6 NOGd NWGd   98   9v  SL v s 8   NN  d NDGd ic  OL z13sdo  01 01 NXGOd NAGd   29   ZV bLVIvLa  NAGd NYGd  WWI  1620s SS  LL Avzdo   Le OND jet QN9 QNO   88 8V    LV   L8  GNO GND Aso puedx3   9A   3  z AvedO EA   O N IVLVOdA   68 6V  zi vizLa   VLVOdd O N H  bet e i EEDA  10d4 8IGd4  OLG OLW  LLv L L8   HIGd4 M1Od4 I  y NLSHdA LAE E   LLS LLV  OLV OLG   LAE E  NLSYdd 235      Iewen LAE E  LAE E   ZLA ZLW  6W  6A  LNE E  LAE E  230  W wun Buidojo eg z WNSSNL IS OS  ELd ELV  8v 88  OS IS vOA   53   
2.                                                                      Figure 1 1 1  1  Operation panel 9  Waste toner box 17  Envelope switch  2  Front cover 10  Main charger units 18  USB memory slot  3  Top cover  Top tray  11  Toner container M 19  USB interface  4  Paper stopper 12  Toner container C 20  AC inlet  5  MP tray 13  Toner container Y 21  Optional interface slot  6  Cassette 14  Toner container K 22  Network indicators  7  Power switch 15  Duplex unit B 23  Network interface  8  Left cover 16  Fuser cover A 24  Right cover    2HL 2HM 2HN    21 23 ppm  250 sheet  model    ONOAPRON  gt           r MES    Q                                           Operation panel  Front cover   Top cover  Top tray   Paper stopper   MP tray   Cassette   Power switch   Left cover    9    10  11   12  13  14  15  16    Figure 1 1 2    Waste toner box     Main charger units    Toner container M    Toner container C    Toner container Y    Toner container K    Duplex unit B     Fuser cover A           17   18   19   20   21   22   23   24                                       Envelope switch   USB memory slot  USB interface   AC inlet   Optional interface slot  Network indicators  Network interface  Right cover     2  Operation panel    2HL 2HM 2HN          Attention        Figure 1 1 3    Message display  Ready indicator  Data indicator  Attention indicator  Arrow keys  MENU key   OK key   GO key   CANCEL key    oo uoosom     2HL 2HM 2HN    1 1 3    Machine cross section    21 23 ppm
3.                                   APC PWB M    vaak   LONBMN  i   ENBMN    YC1 3        veta E       VDOMP    PD PWB M       VDOMN    lici cd     VREFM  i THERMM PAD i  PDMN ee vets ame HERMM    CRS  1410   PDMN      ls   POLCLKO  i Polygon   POLRDYNO _  motor MC   POLONNO  APC PWB C    yc E   LONBCN  i     ENBCN  YC1 3   i    VEL       VDOCP  PD PWB C    VDOCN    YC1 5    i    V  LTE o VREFY    PDCN   e   PDCN    Laser scanner unit YK  APC PWB Y    uel    LONBYN        ENBYN  YC1 3        Vera le    VDOYP  PD PWB Y vera   L VDOYN    THERMY  THERMY YC2 2 YC1 8 PSU D  EDEN yc2 3 YC1 9  gt   L   POLCLK1  i Polygon   POLRDYN1_  motor YK   POLONN1  APC PWB K    yotal    LONBKN      ENBKN  i YC1 3      vea     VDOKP  i PD PWB K       VDOKN  i YC1 5   i  i       VREFK    YC1 7 k   PORN  YC2 2 YC1 9    LSU LSUMOTA  cleaning LSUMOTB    2 1 12          motor          Engine PWB    YC30 2  YC30 3  YC30 4  YC30 5  YC30 7  YC30 8  YC30 9    YC31 A1  YC31 A2    YC31 A6    YC30 18  YC30 19  YC30 20    YC30 11  YC30 12  YC30 13  YC30 14  YC30 16  YC30 17    YC31 B1  YC31 B2    YC31 B6    YC29 2  YC29 3  YC29 4  YC29 5  YC29 8  YC29 9    YC31 A3  YC31 A4    YC31 A7    YC29 18  YC29 19  YC29 20    YC29 11  YC29 12  YC29 13  YC29 14  YC29 16  YC29 17    YC31 B3  YC31 B4    YC31 B7    YC37 1  YC37 2    Figure 2 1 13Expose section block diagram       VDOMP  VDOMN    PDMN    VDOCP  VDOCN    PDCN       VDOYP  VDOYN    PDYN       VDOKP  VDOKN    PDKN       Main PWB    YC6 A20  YC6 A19    YC6 A15   
4.                   Main PWB    Main PWB    EN Expansion    memory socket    Expansion  memory module    1 2 5    2HL 2HM 2HN    1 2 4 Installing the memory card  option       Procedure      1     3     4     Turn off printer power switch    Caution    Do not insert or remove memory card while  printer power is on    Doing so may cause damage to the printer  and the memory card    Remove the two screws and then remove  the main PWB     Insert the memory card into the memory  card slot  Push it in all the way   Refit the main PWB     DS                            Main PWB    Main PWB       Figure 1 2 8    2HL 2HM 2HN  1 2 5 Installing the hard disk  option for 26 28 ppm  500 sheet  model only       Procedure    1  Turn off printer power switch   Caution  Do not insert or remove hard disk  unit while printer power is on     Doing so may cause damage to the printer  and the hard disk  he ER   i    2  Remove two screws and then remove the  option interface slot cover    3  Insert the hard disk into the option interface  slot  Push it in all the way    4  Secure the hard disk by using two screws             Option interface  slot cover       interface  H slot          Figure 1 2 9    1 2 7    2HL 2HM 2HN    This page is intentionally left blank     1 2 8    2HL 2HM 2HN 1    1 3 1 Maintenance mode    The printer is equipped with a maintenance function which can be used to maintain and service the machine      1  Executing a maintenance item    Message display    Ready      1  Press t
5.             3 3 V DC    0 3 3 V DC    3 3 V DC power source  Ground  Registration sensor  On Off       YC9    Connected  to the cas   sette size  switch    CAS2  CAS1  COM   CASO    0 3 3 V DC  0 3 3 V DC    0 3 3 V DC    Cassette size switch  SW2   On Off  Cassette size switch  SW1   On Off  Ground   Cassette size switch  SWO0   On Off       YC10    Connected  to the devel   oping fan  motor 1     24V1  DLPFANDRN    24 V DC  0 12 24 V DC    24 V DC power source  Developing fan motor 1  Full speed Half speed Off       YC11  Connected  to the ozone  fan motor     24V1  OZFANDRN    24 V DC  0 12 24 V DC    24 V DC power source  Ozone fan motor  Full speed Half speed Off       YC12    Connected  to the waste  toner full  sensor                5V DC  0 5 V DC  pulse   Analog  5V DC       5 V DC power source   Waste toner full sensor  emitter   Waste toner full sensor  receiver   5 V DC power source       2 3 3    2HL 2HM 2HN    Connector    Voltage    Description       YC13  Connected  to the inter   lock switch    24 V DC    24 0 V DC    24 V DC power source  Not used    24 V DC power source  Interlock switch  On Off       YC14    Connected  to the left  cover switc    24 V DC    24 0 V DC    24 V DC power source  Not used    24 V DC power source  Left cover switch  On Off       YC16  Connected  to the high  voltage  PWB    0 d OO    0 M    gt     N MM NM HMO    ch o 2 ccc 02 0d  BRON A Oo D d Oo ok oh A e CO    GND  GND  HVCLKK  HVCLKY  HVCLKC  HVCLKM  T2RREMN  MKCNT  BKSCNT  B
6.            c  2  Ae  o  z  Es   jo       g       D  Q      a  a     o   lt         Figure 1 5 29    13  Remove the three connectors              Figure 1 5 30    1 5 24    2HL 2HM 2HN    14  Open the duplex unit B    15  Remove the duplex unit B    16  Check or replace the duplex unit B and refit  all the removed parts        Figure 1 5 31    1 5 25    2HL 2HM 2HN  1 5 7 Fuser section     1  Detaching and refitting the fuser unit    Procedure  1  Remove the outer covers  See page 1 5 3    2  Remove three connectors     N  N Z A  SE    N    Co      Remove two screws    4  Unhook the hook and then remove the fuser  unit    5  Check or replace the fuser unit and refit all   the removed parts           Figure 1 5 33    1 5 26    1 5 8 PWBs     1  Detaching and refitting the power source PWB    Procedure  1  Remove the right rear cover  See page 1 5   6     2  Remove the three screws and then remove  the power source shield     3  Remove the connector   4  Remove the two screws        Figure 1 5 35                2HL 2HM 2HN                1 5 27    1 5 28    2HL 2HM 2HN      Remove the two connectors and then  remove the power source PWB   Check or replace the power source PWB  and refit all the removed parts                SS a       NE K  NA    X  S   a          Power source PWB       Figure 1 5 36     2  Detaching and refitting the main PWB    Procedure  1  Remove the two screws   2  Remove the main PWB   3  Check or replace the main PWB and refit all  the removed parts       
7.          Defective engine PWB     Replace the engine PWB  See page 1 5 30         No  develop   ing bias  output     Defective harness  between high voltage  PWB and engine PWB   YC16   or improper con   nector insertion     Reinsert the connector  Also check for continuity within the  connector harness  If none  remedy or replace the harness        Defective high voltage  PWB     Replace the high voltage PWB  See page 1 5 35         Defective engine PWB     Replace the engine PWB  See page 1 5 30         Defective driving system of develop     ing unit     Replace the developing unit  See page 1 5 13            Image  synchro   nization  signal  failure        Defective harness  between engine PWB   YC31  and main PWB   YC6   or improper con   nector insertion        Reinsert the connector  Also check for continuity within the  connector harness  If none  remedy or replace the harness         2  No image appears  entirely black      Print example    Causes    2HL 2HM 2HN    Check procedures corrective measures       Defective harness  between high voltage  PWB and engine PWB   YC16   or improper con   nector insertion     No main  charging     Reinsert the connector  Also check for continuity within the  connector harness  If none  remedy or replace the harness        Defective main charger  unit     Replace the drum unit  See page 1 5 15         Defective high voltage  PWB     Replace the high voltage PWB  See page 1 5 35         Defective engine PWB     Replace the engine 
8.         Defective harness  between drum  relay PWB  YC1   and engine PWB   YC34   or  improper connec   tor insertion     Reinsert the connector  Also check for conti   nuity within the connector harness  If none   remedy or replace the harness        Defective toner  sensor C     Replace the developing unit C  See page 1   5 13            Defective engine  PWB        Replace the engine PWB  See page 1 5   30         Contents    2HL 2HM 2HN 1    Remarks       Causes    Check procedures corrective measures       Developing unit M non installing error  No density detection signal is output  from toner sensor M in developing unit  M     Faulty connection  of the connector  between the devel   oping PWB M and  drum relay PWB     Check the installation of the developing unit  M and drum relay PWB and reinstall them if  necessary  See page 1 5 13         Defective harness  between drum  relay PWB  YC1   and engine PWB   YC34   or  improper connec   tor insertion     Reinsert the connector  Also check for conti   nuity within the connector harness  If none   remedy or replace the harness        Defective toner  sensor M     Replace the developing unit M  See page 1   5 13         Defective engine  PWB     Replace the engine PWB  See page 1 5   30         Developing unit Y non installing error  No density detection signal is output  from toner sensor Y in developing unit Y     Faulty connection  of the connector  between the devel   oping PWB Y and  drum relay PWB     Check the insta
9.       1 4 6       PF warm air heater  upper blower  low  temperature error      Option paper feeder     An external temperature higher than   5  C  41  F is not detected when one  minute elapses after PF warm air heater  2 is turned on        Multi purpose feeder only  1600  Paper feeder 1  1620  Paper feeder 2  1640  Paper feeder 3    Defective harness  between PF warm  air heater 2 and PF  warm air heater  driver PWB  YC2    or improper con   nector insertion     Reinsert the connector  Also check for conti   nuity within the connector harness  If none   remedy or replace the harness   Refer to the  service manual for the paper feeder         Defective harness  between PF warm  air heater driver  PWB  YC3  and  PF main PWB   YC13   or  improper connec   tor insertion     Reinsert the connector  Also check for conti   nuity within the connector harness  If none   remedy or replace the harness   Refer to the  service manual for the paper feeder         Defective harness  between PF ther   mistor 2 and PF  main PWB  YC12    or improper con   nector insertion     Reinsert the connector  Also check for conti   nuity within the connector harness  If none   remedy or replace the harness   Refer to the  service manual for the paper feeder         PF thermistor 2  installed incor   rectly     Check the installation of the PF thermistor 2  and remegy if necessary  Refer to the ser   vice manual for the paper feeder         Defective PF ther   mistor 2     Replace the PF thermistor 2 
10.       21 23 ppm  500 sheet  model          Left upper cover    Remove the screw and then remove the left    upper cover     c  o   lt       jo   c   t   yo   pun  D  z  a  2       o  2  o  o  2s  6  E     2   o      oO     gt   vo  SE  og  oi    6  Open the front cover     7           Left front cover    21 23 ppm  250 sheet  model                Figure 1 5 5    1 5 5    2HL 2HM 2HN   2  Detaching and refitting the right rear cover  right upper cover and right front cover    Procedure  1  Open the top cover   2  Open the right cover   3  Remove the two screws   4  Release the five hooks and then remove the  right rear cover     Right cover       26 28 ppm  500 sheet  model  21 23 ppm  500 sheet  model    ep    322290909299  eege    21 23 ppm  250 sheet  model    Hooks       Figure 1 5 6    1 5 6    2HL 2HM 2HN    Open the front cover    Remove the two screws and then remove  the right upper cover    Slide the right front cover and then remove  it         Screws             Right front cover        Front cover       26 28 ppm  500 sheet  model  21 23 ppm  500 sheet  model    Right front cover             Figure 1 5 7    1 5 7        Cassette  Cassette             Figure 1 5 8                      21 23 ppm  250 sheet  model  26 28 ppm  500 sheet  model  21 23 ppm  500 sheet  model           Paper feed section    Remove the cassette     1     Procedure    1 5 3   1  Detaching and refitting the paper feed roller assembly  paper feed roller and pickup roller     2HL 2HM 2HN    8 
11.       4       Deformed or worn cleaning blade in  the drum unit     Replace the drum unit        Defective intermediate transfer belt  cleaning     Replace the intermediate transfer unit  See page 1 5 17         Defective fuser unit     Replace the fuser unit  See page 1 5 26            Wrong types of paper      14  Part of image is missing     Print example       Check if the paper meets specifications  Replace paper        Check procedures corrective measures             4          1 4 26    Paper damp     Check the paper storage conditions  replace the paper        Paper creased     Replace the paper        Drum condensation     Perform the drum surface refreshing  See page 1 3 12         Dirty or flawed drum     Perform the drum surface refreshing  See page 1 3 12    Flawed drum  Replace the drum unit  See page 1 5 15         Dirty transfer belt     Clean the transfer belt   Replace the intermediate transfer unit  See page 1 5 17            Dirty transfer roller        Clean the transfer roller   Replace the transfer roller unit  See page 1 5 20          15  Fusing is loose     Print example    Causes    2HL 2HM 2HN    Check procedures corrective measures       Wrong types of paper     Check if the paper meets specifications  replace paper        Flawed heat roller or press roller         16  Colors are printed offset to each other     Print example    Causes       Replace the heat roller and press roller  See page 1 5 26         Check procedures corrective measures      
12.      YC31    Connected  to the main  PWB    VDOMP  VDOMN  VDOYP  VDOYN  GND  PDMN  PDYN  GND  FPDATA  FPDIR   3 3V1   3 3V1  SO  SDIR  EGIRN   5V1   5V1   5V1  RESETN  GND  VDOCP  VDOCN  VDOCP  VDOCN  GND  PDCN  PDKN  GND  N C   FPCLK  FPRSTN   3 3V1  SI  SCLN  SBSY  VSYNC  EEDAT  EECLK  GND  GND    6    OO0O0000000        LVDS   LVDS   LVDS   LVDS   0 3 3 V DC  pulse   0 3 3 V DC  pulse   0 3 3 V DC   0 3 3 V DC   3 3 V DC   3 3 V DC   0 3 3 V DC  pulse   0 3 3 V DC   0 3 3 V DC   5V DC   5V DC   5 V DC   0 3 3 V DC   LVDS   LVDS   LVDS   LVDS   0 3 3 V DC  pulse   0 3 3 V DC  pulse     0 3 3 V DC   0 3 3 V DC   3 3 V DC   0 3 3 V DC  pulse   0 3 3 V DC  pulse   0 3 3 V DC   0 3 3 V DC   0 3 3 V DC  pulse   0 3 3 V DC  pulse     APC PWB M video data signal       APC PWB M video data signal       APC PWB Y video data signal       APC PWB Y video data signal       Ground   Horizontal synchronization signal  Horizontal synchronization signal   Ground   Operation panel PWB data signal  Operation panel PWB communication direct signal  3 3 V DC power source   3 3 V DC power source   Main PWB serial communication data signal  Main PWB communication direction signal  Engine interrupt signal   5 V DC power source   5 V DC power source   5 V DC power source   Main PWB reset signal   Ground   APC PWB C video data signal       APC PWB C video data signal       APC PWB K video data signal       APC PWB K video data signal       Ground   Horizontal synchronization signal  Horizontal synch
13.     2HL 2HM 2HN                   Main PWB    Screw    Figure 1 5 37    1 5 29    2HL 2HM 2HN     3  Detaching and refitting the engine PWB    Procedure  1  Remove the duplex unit B  See page 1 5   21   2  Remove the connector          amp     A    ER  RK       onnector                          C   g  Figure 1 5 38  ve    3  Remove the seven screws and then remove Usp    the feed housing              Figure 1 5 39    1 5 30    2HL 2HM 2HN                                          4  Remove the connector A  i  5  Remove the developing fan motor 1  FRI  lt I Bal Lp Nea NC  6  Remove the two connectors B  i R  S    B m  7  Remove the FFC  A AS M  n X4  WA  3 SA  lt  SKR A d Se  EN NS SON D   Pa  S RK    KK E m  el          8  Remove the three FFCs   9  Remove the two connectors                                            Figure 1 5 41    1 5 31    2HL 2HM 2HN 1    X    Figure 1 5 42                            X    IN    10  While unlatching the latch and then remove    M    the lever link                 11  Remove the twenty connectors     Uu  e  o   gt   Bo  m    B  un  m  ER  P  N  LIS    li       Figure 1 5 43       oo  e  O   gt   O  L  gt   x  815      gt   o D        o  o  gt    gt   LJ  al y  9   amp  1S S9  ol  x     o  e  8    gt                    1 5 32    2HL 2HM 2HN       A          ANS  Carn   AAL                12  Remove the three screws and then remove    the engine PWB assembly     e e  TM       Engine PWB assembly       Figure 1 5 44    1 5 33    2HL 2HM 2HN 1 
14.     Defective PD PWB  K     Replace the laser scanner unit YK  See  page 1 5 38         Defective engine  PWB     Replace the engine PWB  See page 1 5   30         Laser output error  Cyan    The pin photo signal  PDN  is not output  from PD PWB C for one second while  laser is emitted     Defective harness  between APC  PWB C and engine  PWB  YC30   or  improper connec   tor insertion     Reinsert the connector  Also check for conti   nuity within the connector harness  If none   remedy or replace the harness        Defective APC  PWB C     Replace the laser scanner unit MC  See  page 1 5 38         Defective PD PWB  C     Replace the laser scanner unit MC  See  page 1 5 38         Defective engine  PWB     Replace the engine PWB  See page 1 5   30         1 4 10       Laser output error  Magenta    The pin photo signal  PDN  is not output  from PD PWB M for one second while  laser is emitted     Defective harness  between APC  PWB M and engine  PWB  YC30   or  improper connec   tor insertion     Reinsert the connector  Also check for conti   nuity within the connector harness  If none   remedy or replace the harness        Defective APC  PWB M     Replace the laser scanner unit MC  See  page 1 5 38         Defective PD PWB  M     Replace the laser scanner unit MC  See  page 1 5 38            Defective engine  PWB        Replace the engine PWB  See page 1 5   30         Contents    2HL 2HM 2HN 1    Remarks       Causes    Check procedures corrective measures       Laser outp
15.     Defective calibration     Perform the color calibration  Refer to operation guide                     Slip the mirror position of laser scan   ner unit           Perform the color registration  When the problem is not  cleared  perform the manual color registration adjustment   Refer to operation guide         1 4 27    2HL 2HM 2HN    1 4 4 Electric problems    Problem    Causes    Check procedures corrective measures        1 The machine does  not operate when the  power switch is  turned on     The power cord is not  plugged in properly     Check the contact between the power plug and the outlet        No electricity at the power  outlet     Measure the input voltage        Broken power cord     Check for continuity  If none  replace the cord        Defective power switch     Check for continuity across the contacts  If none  replace the  power switch        Defective power source  PWB     Replace the power source PWB  See page 1 5 27          2 Drum motor M C   Y K  duplex motor  and fuser motor do  not operate     Defective harness or  improper connector inser   tion     Reinsert the connector  Also check for continuity within the con   nector harness  If none  remedy or replace the harness    Drum motor M C Y K   Engine PWB  YC18    Duplex motor   Engine PWB  YC17    Fuser motor   Engine PWB  YC39        Broken the gear     Check visually and replace the gear if necessary        Defective motor     Replace the motor        Defective engine PWB     Replace the engine 
16.     cee    Transfer system                          sss    Separation system                             Fixing system   Charge erasing system                      Cleaning system    oooonnnccccninnncccccnnns  Controller seeen    2HL 2HM 2HN    Desktop  Electrophotographic four color  CMYK  printing using tandem  4  drum system  Cassette  60 to 120 g m   MP tray  60 to 220 g m   Cassette   Plain  preprinted  bond  recycled  rough  letterhead  color  prepunched  high quality   and custom  MP tray   Plain  transparency  preprinted  labels  bond  recycled  vellum  rough  letterhead   color  prepunched  envelope  cardstock  coated  thick  high quality  and custom  Cassette   A4  B5  A5  Folio  8 1 2  x 14   Legal   8 1 2  x 11   Letter   Oficio Il  Statement   Executive  ISO B5  A6  Envelope C5  16K  and Custom  MP tray   A4  B5  A5  Folio  8 1 2  x 14   Legal   8 1 2  x 11   Letter   Oficio Il  Statement   Executive  A6  B6  ISO B5  Env  Monarch  Envelope  10  Envelope  9   Envelope  6  Envelope DL  Envelope C5  16K  Hagaki  Oufuku Hagaki  Youkei 2   Youkei 4  and Custom  Cassette   A4  26 ppm  B5  A5  A6  28 ppm  After 16 pages the printing speed becomes 14 ppm   Letter  28 ppm  Legal  22 ppm  MP tray   A4  23 ppm  B5  A5  A6  24 ppm  After 16 pages the printing speed becomes 14 ppm   Letter  24 ppm  Legal  20 ppm    B5  A5  A6  28 ppm  After 16 pages the printing speed becomes 14 ppm   Letter  28 ppm   Legal  11 ppm   B W  9 seconds or less   Color  10 5 seconds or less    Sle
17.    1 5    2HL 2HM 2HN    2  While pressing lever A and then slide the  feed roller pin    3  While pressing the lever B and then remove  the paper feed roller assembly                    SE    a    Paper feed roller  assembly       4  Check or replace the paper feed roller  assembly and refit all the removed parts  gro       Paper feed roller assembly    26 28 ppm  500 sheet  model  21 23 ppm  500 sheet  model       Figure 1 5 10    1 5 9    2HL 2HM 2HN   2  Detaching and refitting the retard roller    Procedure   1  Remove the cassette  See page 1 5 8     2  Push the bottom plate down until it locks   21 23 ppm  500 sheet  model and 26 28  ppm  500 sheet  model only    3  Release the two hooks and then remove the  retard guide  retard roller assembly      Retard guide 21 23 ppm  250 sheet  model          26 28 ppm  500 sheet  model  21 23 ppm  500 sheet  model  RB       Cassette    Figure 1 5 11    1 5 10    2HL 2HM 2HN    4  Remove the retard roller assembly   5  Check or replace the retard roller assembly  and refit all the removed parts     Retard guide       Retard roller assembly    Figure 1 5 12    1 5 11    2HL 2HM 2HN   3  Detaching and refitting the MP paper feed roller    Procedure  1  Open the front cover   2  While releasing the hook and the slide the  MPF shaft   3  Remove the MP paper feed roller   4  Check or replace the MP paper feed roller  and refit all the removed parts     c     WS    Vh    4    NM       AWN VE e i    Des D K    NE         E    AC  MP pap
18.    13  Remove the two screws and then remove  the engine PWB    14  Check or replace the engine PWB and refit  all the removed parts   To replace the engine PWB  remove the  EEPROM  U4  from the old engine PWB  and mount it to the new engine PWB         EPROM          Engine PWB       Caution on re installing the engine board  assembly   Insert the engine PWB assembly in the  printer so that both the engine PWB and the  harness bracket are flush at each end    Do not insert the engine PWB assembly the  way beyond the above  otherwise  the  engine PWB plate will be deformed  causing  malfunctioning of the ID sensor cleaning  System        Figure 1 5 45    1 5 34    2HL 2HM 2HN   4  Detaching and refitting the high voltage PWB    Procedure   1  Remove the all drum units  See page 1 5   15     2  Remove the all developing units  See page  1 5 13     3  Remove the engine PWB  See page 1 5   30     4  Remove the screw and then remove the HV  terminal assembly K               SES  SS                       5  Remove the screw and then remove the  inner cover    6  Remove the three HV bracket C assem   blies            HV bracket  C assembly    Si K    Screw       Figure 1 5 47    1 5 35    2HL 2HM 2HN    7  Remove six terminals     8  Remove the TC high voltage bracket   9  Remove the two screws         E   3D  n Wd  s    ub                N    Y             7        Figure 1 5 48  10  Remove the screw                    Figure 1 5 49    1 5 36    2HL 2HM 2HN    11  Remove the high 
19.    Intermediate transfer unit    Transfer roller unit    Fuser unit     Front cover     Controller box             2HL 2HM 2HN      Paper path                 Paper path            optional     1 1 11    2HL 2HM 2HN    This page is intentionally left blank     1 1 12    2HL 2HM 2HN    1 2 1 Installation environment    Temperature  10 to 32 5  C 50 to 90 5  F   Humidity  15 to 80 RH   Power supply  120 V AC  220   240 V AC   Power source frequency  50 Hz  0 3  60 Hz 10 396   Installation location   Avoid direct sunlight or bright lighting  Ensure that the photoconductor will not be exposed to direct sunlight or  other strong light when removing paper jams    Avoid locations subject to high temperature and high humidity or low temperature and low humidity  an abrupt  change in the environmental temperature  and cool or hot  direct air    Avoid places subject to dust and vibrations    Choose a surface capable of supporting the weight of the machine    Place the machine on a level surface  maximum allowance inclination  1      Avoid air borne substances that may adversely affect the machine or degrade the photoconductor  such as mer   cury  acidic of alkaline vapors  inorganic gasses  NOx  SOx gases and chlorine based organic solvents   Select a well ventilated location    6  Allow sufficient access for proper operation and maintenance of the machine     o9 RON    Machine front  600 mm 23 5 8   Machine rear  200 mm 7 7 8   Machine right  250 mm 9 13 16   Machine left  400 mm 15 3
20.    MYCNT    MKCNT    MCHMOTA       MCHMOTB       Figure 2 1 10Main charger unit block diagram       2HL 2HM 2HN    Engine PWB    YC16 17    YC16 14    YC16 11    YC16 8    YC36 1  YC36 2       2 1 9    2HL 2HM 2HN    2 1 3 Expose section     1  Laser scanner unit    The charged surface of the drum is then scanned by the laser beam from the laser scanner unit  The laser beam is dis   persed as the polygon motor revolves to reflect the laser beam over the drum  Various lenses and mirror are housed in the  laser scanner unit  adjust the diameter of the laser beam  and focalize it at the drum surface  Also the LSU cleaning motor  is activated to conduct automatically cleaning of the LSU dust shield glass     v                                                              Figure 2 1 11 Laser scanner unit     1  Polygon motor  6  Mirror B    2  Polygon mirror  7  Mirror C    3  F 0lensA  8  LSU dust shield glass   4  F 0lens B  9  LSU spiral    5  Mirror A    2 1 10    2HL 2HM 2HN                                  Figure 2 1 12 Laser scanner unit     1  APC PWB  Laser diode   8  Mirror B    2  Collimator lens  9  Mirror C    3  Oylindrical lens  10  PD mirror    4  Polygon motor  mirror   11  PD mirror    5 F 0lensA  12  SOS lens    6  F 0lens B  13  PD PWB  Pin photo diode sensor    7  Mirror A    2 1 11    2HL 2HM 2HN    Laser scanner unit MC                                                                                                                                              
21.    Right cover          2HL 2HM 2HN 1     3  Direction of installing the principal fan motors    When detaching or refitting the developing fan motor 1  developing fan motor 2  fuser fan motor 1 or ozone fan motor  be  careful of the airflow direction  intake or exhaust            Fuser fan motor 1   Rating label  Inside  Intake    Intake          Developing  fan motor 1   Rating label  Inside        Developing  fan motor 2   Rating label  Inside        v ODO   OO o Ba  O    e    Ozone fan motor   Rating label  Outside                       Figure 1 5 56    1 5 41    2HL 2HM 2HN    This page is intentionally left blank     1 5 42    2HL 2HM 2HN 1    1 6 1 Downloading firmware     1  Firmware file    Firmware files are named after the following codes     Firmware file name example       master download fle DL ENGN 2HN  S2HN 1000000024 x    Software ID J L Extention    Product code Build number    2HN  26 28 ppm  500 sheet  model                   2HM  21 23 ppm  500 sheet  model Update history  2HL  21 23 ppm  250 sheet  model Classification  Normally  0   Pause  underscore          Supplement  Normally  00       Firmware category  10  Engine  System firmware  master download file D L   C T R L e 2 HN    2HN 3000 000 088 bin  2HN 3100 000 004 hex    Product code a Extention  2HN  26 28 ppm  500 sheet  model      2HM  21 23 ppm  500 sheet  model Build number  2HL  21 23 ppm  250 sheet  model       Update history    Classification  Normally  0           Pause  underscore        
22.    Service  Manual    Color Printer    CLP 3521  CLP 3621  CLP 3626    Rev   2 0  Date  21 09 2010  2HNSM062       Erro ph Adler    Service  Manual    Color Printer  CLP 4521  CLP 4621  CLP 4626    Rev   2 0  Date  21 09 2010  2HNSM062    CAUTION    RISK OF EXPLOSION IF BATTERY IS REPLACED BY AN INCORRECT TYPE  DISPOSE OF  USED BATTERIES ACCORDING TO THE INSTRUCTIONS     It may be illegal to dispose of this battery into the municipal waste stream  Check with your local  solid waste officials for details in your area for proper disposal     ATTENTION    IL Y AUN RISQUE D EXPLOSION SI LA BATTERIE EST REMPLACEE PAR UN MODELE DE  TYPE INCORRECT  METTRE AU REBUT LES BATTERIES UTILISEES SELON LES INSTRUC   TIONS DONNEES     Il peut   tre ill  gal de jeter les batteries dans des eaux d   gout municipales  V  rifiez avec les fonc   tionnaires municipaux de votre r  gion pour les d  tails concernant des d  chets solides et une mise  au rebut appropri  e     Revision history    Revision Date Replaced pages Remarks    1 2 2  1 2 3  1 2 4  1 3 1  1 3 2  1 3 3  1 3 4  1 3 5  1 3 6   1 3 7  1  1 3 1       1 March 5  2009   3 9  1 3 10  1 3 14  1 3 15  1 3 16  1 3 17    8  1 4 3  1 4 4  1 4 8  1 4 9  1 4 10  1 4 11 1 4 12   1 4 13  1 4 14  1 4 15  1 4 16  1 4 17  1 4 18  1 4 19   1 4 20  1 5 3  1 5 32  1 5 34  1 5 41  1 6 1 1 6 2  1 6 6   2 2 3  2 2 4  2 4 2  2 4 2    December 11  2009   1 4 19  1 4 20  1 5 2                   This page is intentionally left blank     Safety precautions    
23.   000000    0 3 3 V DC  0 3 3 V DC  0 3 3 V DC  0 3 3 V DC  pulse   0 3 3 V DC    24 V DC    Developing motor MCY drive switch signal  Developing motor MCY ready signal  Developing motor MCY speed switch signal  Developing motor MCY clock signal  Developing motor MCY  On Off   Ground   24 V DC power source       Connected  to the lift  motor       2 3 6    N AIN OO BON A       LMOTDRN  GND       OO       0 24 V DC       Lift motor  On Off  Ground       Connector    3  5    Signal    6    Voltage    2HL 2HM 2HN    Description       YC29    Connected  to the APC  PWB Y   APC PWB K  and poly   gon motor  YK    ON OO   0 M        N 232   2 2 2 2 2   o m    oO oO OD Jo om E uN   A e H    N  N     3 3V1  LONBYN  ENBYN  VDOYP  VDOYN  GND  VREFY  THERMY  PDYN   3 3V1  LONBKN  ENBKN  VDOKP  VDOKN  GND  VREFK  PDKN  POLCLK1  POLRDYN1  POLONN1  GND   24V3    On ER e E ts O EI Qo Q9       QO  OO     OO    3 3 V DC   0 3 3 V DC   0 3 3 V DC   LVDS   LVDS   Analog   Analog   0 3 3 V DC  pulse   3 3 V DC   0 3 3 V DC   0 3 3 V DC   LVDS   LVDS   Analog   0 3 3 V DC  pulse   0 3 3 V DC  pulse   0 3 3 V DC   0 3 3 V DC    24 V DC    3 3 V DC power source   APC PWB Y sample hold signal  APC PWB Y laser enable signal  APC PWB Y video data signal      APC PWB Y video data signal      Ground   APC PWB Y control signal   LSU thermistor detection voltage  Horizontal synchronization signal  3 3 V DC power source   APC PWB K sample hold signal  APC PWB K laser enable signal  APC PWB K video data sign
24.   500 sheet  model and 26 28 ppm  500 sheet  model          1 1 10                                                                                                                                                                                           oco doo0 amp omz        Cassette   MP tray   Duplex unit B   Drum unit M   Drum unit C   Drum unit Y   Drum unit K   Main charger unit M  Main charger unit C      Main charger unit Y    Main charger unit K    Laser scanner unit MC    Laser scanner unit YK       Paper path                Paper path     B     optional  i            Developing unit M    Developing unit C    Developing unit Y    Developing unit K    Toner container M    Toner container C    Toner container Y    Toner container K    Intermediate transfer unit    Transfer roller unit    Fuser unit     Front cover     Controller box    21 23 ppm  250 sheet  model                                                                                                                                                                                                    ONDARON  gt     Cassette   MP tray   Duplex unit B   Drum unit M   Drum unit C   Drum unit Y   Drum unit K   Main charger unit M  Main charger unit C      Main charger unit Y    Main charger unit K    Laser scanner unit MC    Laser scanner unit YK         Developing unit M    Developing unit C    Developing unit Y    Developing unit K    Toner container M    Toner container C    Toner container Y    Toner container K 
25.   ERASEMDR  TNSENM  ERASECDR  TNSENC  ERASEYDR  TNSENY  EECLK  GND  EEDATA   3 3V1  ERASEKDR   3 3V2  TNSENK  DLPTHERM    Oo O 0 0 000 0    0 24 V DC   Analog   0 24 V DC   Analog   0 24 V DC   Analog   0 3 3 V DC  pulse   0 3 3 V DC  pulse   3 3 VDC   0 24 V DC   3 3 VDC   Analog   Analog    Eraser lamp M  On Off   Toner sensor M detection voltage  Eraser lamp C  On Off   Toner sensor C detection voltage  Eraser lamp Y  On Off   Toner sensor Y detection voltage  EEPROM clock signal   Ground   EEPROM data signal   3 3 V DC power source   Eraser lamp K  On Off   3 3 V DC power source   Toner sensor K detection voltage  Developing thermistor detection voltage       Connected  to the main  charger  cleaning  motor    MCHMOTA  MCHMOTB    24 0 V DC  24 0 V DC    Main charger cleaning motor  Fwd Stop  Rev   Main charger cleaning motor  Rev Stop  Fwd        YC37  Connected  to the LSU  cleaning  motor    LSUMOTA  LSUMOTB    24 0 V DC  24 0 V DC    LSU cleaning motor  Fwd Stop  Rev   LSU cleaning motor  Rev Stop  Fwd        YC38    Connected  to the power  source fan  motor     24V1  PSFANDRN    24 V DC  0 12 24 V DC    24 V DC power source  Power source fan motor  Full speed Half speed Off       YC39  Connected  to the fuser  motor    STFUBN  STFUAN  STFUB  STFUA    0 24 V DC  pulse  0 24 V DC  pulse  0 24 V DC  pulse  0 24 V DC  pulse    Fuser motor drive control signal   B     Fuser motor drive control signal   A     Fuser motor drive control signal  B   Fuser motor drive control 
26.   Improper installa   tion paper feeder     Follow installation instruction carefully again        Defective harness  between PF main  PWB  YC3  YC5   and paper feeder  interface connec   tor  or improper  connector inser   tion     Reinsert the connector  Also check for conti   nuity within the connector harness  If none   remedy or replace the harness   Refer to the  service manual for the paper feeder         Defective PF main  PWB     Replace the PF main PWB  Refer to the ser   vice manual for the paper feeder         Defective harness  between engine  PWB  YC33  and  paper feeder inter   face connector  or  improper connec   tor insertion     Reinsert the connector  Also check for conti   nuity within the connector harness  If none   remedy or replace the harness        Defective engine  PWB     Replace the engine PWB  See page 1 5   30         Expanded memory  DIMM  installing  error   The expansion memory modules  DIMM   are not correctly mounted     Improper installa   tion expanded  memory  DIMM      Check the installation of the expanded mem   ory  DIMM  and remedy if necessary           Expanded memory  DIMM  error   The expansion memory modules  DIMM   mounted on the main PWB does not  operate correctly     Defective  expanded memory   DIMM      Replace the expanded memory  DIMM    See page 1 2 5            Defective main  PWB        Replace the main PWB  See page 1 5 29         1 4 3    2HL 2HM 2HN 1    Contents    Remarks       Causes    Check procedures correct
27.   Left cover    KR  Main charger bad  unit M    Main charger  unit C    Main charger  unit Y    Main charger  unit K       Figure 1 5 17    1 5 16    2HL 2HM 2HN    1 5 6  Transfer separation section     1  Detaching and refitting the intermediate transfer unit    Procedure    1  Open the top cover   2  Remove the all toner containers  M C Y K   Toner container C  Toner container M    Toner container Y       Toner container C         Toner container M Toner container Y    26 28 ppm  500 sheet  model  21 23 ppm  500 sheet  model       Toner container K                Figure 1 5 18    1 5 17    2HL 2HM 2HN    Container guide C    3  Remove the all container guides  M C Y K      Container guide Y    Container guide K       Container guide M          Figure 1 5 19    4  Remove the two screws   5  Open the RFID holder                    Figure 1 5 20    1 5 18    2HL 2HM 2HN    6  Remove the intermediate transfer unit   7  Check or replace the intermediate transfer  unit and refit all the removed parts     Intermediate  transfer unit       Figure 1 5 21    1 5 19    2HL 2HM 2HN     2  Detaching and refitting the transfer roller unit    Procedure  1  Open the front cover   2  Open the duplex unit B   3  Release the two hooks and then remove the  transfer roller unit   4  Check or replace the transfer roller unit and  refit all the removed parts     1 5 20    Transfer roller unit          Front cover    Duplex unit B    cA    ec e  CH     Figure 1 5 22     3  Detaching and refitting
28.   Supplement  Normally  00               Firmware category  30  System  Main   31  System  BROM     Figure 1 6 1    1 6 1    2HL 2HM 2HN 1     2  Downloading the firmware from the USB memory    To download data written in a USB memory to the printer  proceed as explained in this section     Downloading firmware takes several minutes  Do not turn power off during downloading     CAUTION  Procedure  1  Turn printer power off   2  Insert the USB memory to the PC s USB  slot   3  Copy the firmware file to download to the  root directory of the USB memory   4  Remove the USB memory from the PC s  USB slot   5  Insert the USB memory into the printer s  USB memory slot   6  Turn printer power on   7  When message display  1  is displayed to  detect firmware in the USB memory   8  Message display  2  is displayed during  downloading   9  When message display  3  is displayed to    1 6 2    indicate downloading is finished              6600o000600000           USB memory slot       USB memory    Figure 1 6 2    Message display       ME     3  2HN 1000 000 024  A            Product code   2  Firmware category  10  Engine  30  System  31  System  BROM    3  Supplement  Normally  00   GO Classification  Normally  0    5  Update history   6  Build number    Checksum    Figure 1 6 3    2HL 2HM 2HN          USB memory slot             ware version has been updated  See page    P 1 3 2      ory slot     11  Remove the USB memory from USB mem   12  Turn printer power on     13  Print the stat
29.   Y  302HN93260 2HN93260      Developing unit K DV 560 US  K  302HN93250 2HN93250      Developing unit C DV 560 US  C  302HN93270 2HN93270      Developing unit M DV 560 US  M  302HN93280 2HN93280      Drum unit DK 560 302HN93050 2HN93050      Fuser unit FK 560 U  302HN93080 2HN93080      Intermediate transfer unit TR 560 302HN93060 2HN93060      MP paper feed roller ROLLER MIP ASSY  43487B0027 A   5AAVROLL 051 2CL16130      Retard roller RETARD ROLLER ASSY 302F909170 2F909170           2 4 5    2HL 2HM 2HN    This page is intentionally left blank     2 4 6    
30.   of image begins to  print too early or too  late                              E    See page 1 4 26          See page 1 4 26     16 Colors are printed  offset to each other                    See page 1 4 27     3 A specific color is  printed solid  dirty         8 Black streaks are  printed vertically         13 Offset occurs     2HL 2HM 2HN     4 The back side gets   5 Image is too light                       See page 1 4 23       See page 1 4 23 See page 1 4 24     9 Streaks are printed  10 Spots are printed   horizontally                                         See page 1 4 25 See page 1 4 25 See page 1 4 25     14 Part of image is  missing      15 Fusing is loose                         See page 1 4 27                            See page 1 4 26 See page 1 4 26    1 4 21    2HL 2HM 2HN     1  No image appears  entirely white      Print example    Causes    Check procedures corrective measures                   1 4 22    No trans   fer  charging     Defective harness  between high voltage  PWB and engine PWB   YC16   or improper con   nector insertion     Reinsert the connector  Also check for continuity within the  connector harness  If none  remedy or replace the harness        Defective high voltage  PWB     Replace the high voltage PWB  See page 1 5 35         Defective engine PWB     Replace the engine PWB  See page 1 5 30         No laser  beam  output     Defective laser scanner  unit     Replace the laser scanner unit YK and laser scanner unit MC   See page 1 5 38
31.  3    YC1 2    YC6 2    YC4 2    Fuser unit       FTHERM                 Fuser  thermal cutout    LIVE       heater lamp    Fuser thermistor         NEUTRAL          YC103 1    YC103 3    YC102 3    Power source PWB    YC102 1             Figure 2 1 19 Fuser section block diagram    N amp IOd       Envelope    Switch       2HL 2HM 2HN    2 1 7 Paper exit feed shift section    The paper exit feedshift section consists of the conveying path which sends the paper that has passed the fuser section to  the top tray or the duplex section  The conveying path is switched by the change guide activated by the duplex solenoid     13                                                 Figure 2 1 20 Paper exit feed shift section     1  Paper exit roller  8  FD roller   2  Paper exit pulley  9  Middle pulley   3  Paper exit sensor  10  Switchback roller     4  Actuator  paper exit sensor   11  Middle pulley     5  Actuator  paper exit sensor   12  Paper full sensor   6  Change guide  13  Actuator  paper full sensor    7  Paper exit upper guide  14  Top tray    2 1 19    2HL 2HM 2HN    2 1 20       Duplex  solenoid          DUREVDRN                   Paper exit PWB Engine PWB    Paper full  sensor    YC1 6    2     Paper exit  sensor    YC1 4 EXITPAP    d        DUREVDRN        YC3 2 YC1 10 YC20 10          STFUBN  STFUAN  STFUB  STFUA                Figure 2 1 21 Paper exit section block diagram    2HL 2HM 2HN    2 1 8 Duplex conveying section    The duplex conveying section consists of convey
32.  4   Machine top  400 mm 15 3 4     400 mm  15 3 4        E 32s                                                                                             400 mm 250 mm 200 mm 600 mm  15 3 4  9 13 16  7 7 8  23 5 8     Figure 1 2 1    1 2 1    2HL 2HM 2HN 1    1 2 2 Unpacking     1  Unpacking  220 240 V AC model       M    SS   d     22  21     LB    230 V AC model    19    Printer   Toner container  Yellow   Toner container  Black   Toner container  Cyan   Toner container  Magenta   Waste toner box   Power cord   Main pad   Bottom pad    OCONAARWNS gt     1 2 2    26 28 ppm   500 sheet  model    Figure 1 2 2 220 240 V AC model    21 23 ppm  250 sheet  model  21 23 ppm  500 sheet  model         Bottom front side pad    Outer case     Top pad     Top tray     Top spacer     Machine cover    600 x 600 x 900      Desiccating agent                    Machine cover    650 x 650 x 1200      Plastic bag 240 x 350     Operation guide     Warranty card     Leaflet EEA information    6 nations label     Installation guide     Plastic bags 200 x 700    120 V AC model        21 23 ppm SS   250 sheet  model N 2  21 23 ppm 7 2    P di   500 sheet  model Pd  22   p d     d 26 28 ppm  ed  500 sheet  model  5       2HL 2HM 2HN 1    26 28 ppm   500 sheet  model  21 23 ppm   500 sheet  model    13                   21 23 ppm   250 sheet   model          Figure 1 2 3 120 V AC model    Printer  Toner container  Yellow   Toner container  Black   Toner container  Cyan   Toner container  Magenta   
33.  Be 5 NILOWdTT   y 5E  9  188   am ONS  2 Los  El 1 an viv       Gd ga ZSVo PES  E   3 2   ftsvo Jf E  sz  4O OW n INA   Sleje zic   5  aom alo ee i WOO ER  Buuesp NST IRE    Iosvo LULL  SB  VLOWNST SS   SE  10 0w Bujuea  o zlz 8 o  SIOWHON SG  lt Less  JaBreyo ue VIONHO   yug ke 5 CAE E  E JOSU9S  IN uj  gt  21 Fan zz  2 ul ele E  ili uonen sibay  W Jo ow JeUO    NEGWNNE   E  2   9 avab  eaves Lt     A LIL ager ele Josues  9 40 OW Jeuo   NSGOWNI     i S S S UND Z  z   Bulkenuoa  ENpZ  dvdosina yy   dna     i  D  JOjOUJ Ja   ara N  A 1040W Jouo   NHGAWNI t t O Solo aas  ele  CAVZ   gt  Ql els NS zz Josues 5 PA  y 9 9 fen di   3  yi 16joui j6uo   e 2  2  8 SONVHAN y a     3  env LLL  3 E  elek nn g d E   o N  piousjos paa  2 a S z z   entes qas 5 2  dedan  t  t nuaTosan  t  9 z S  gt  Cf Nada JE   edoa  8       ENVE   gt  a E  5 QNO gu 2  S SC EN S E GG  Slide Nuatodia   L   n     a ME ES  D ui x 5 o  udojeweg   l Sec  CIS  gt   ence D ek 2 8  2 2 jana ZZ  ao  8 r  l  oe   SERIE  ZE 8         Naona 388 s   i  1  ele y  Neda g e 55 IS  ee      9 9 ASEDLLOW   y   y dVdLIXT T ZS sg  is  Ex  els NATEMIOASIO e   e E TND S af     EN  35 13S033dS nd 9 e z z Jojoui Si  ka  SS 4 R Lona     9 elf dg A IHN ue esn HIE 13   N   A   sd  BE zz N3e5LLOWd d 5 A S 8 S NHONVdndi  85 m Wwe d aj  rd  a GND   2 2   9  gt     paver    2 8 I  Gen NudA3una      E aka A 16 INGE  uonp  z  z    9 WJJHL4 SE  uonensibey     1 E un E uge  zi bak     S ENa  a  uon  2  z ze e  z z 53  HTC  TS 9 D  SE ER  39  
34.  Do not pull on the AC power cord or connector wires on high voltage components when removing    them  always hold the plug ts 1 EGEDE DEDE EDGE Eee emm emm rr S    Do not route the power cable where it may be stood on or trapped  If necessary  protect it with a    cable cover or other appropriate item                            ssssssseeeeeere renerne renerne S    D      Treat the ends of the wire carefully when installing a new charger wire to avoid electric leaks           o    Remove toner completely from electronic components                cccceceeeeeeseeeeecceeeeeeeeeeeeeeeteeeeesesnneaaees A    Run wire harnesses carefully so that wires will not be trapped or damaged                         sssssss O    After maintenance  always check that all the parts  screws  connectors and wires that were  removed  have been refitted correctly  Special attention should be paid to any forgotten connector   trapped wire and missing screws    ooooccococcoccccccncncnccnnnnnnnnnnnnnnnnnnnnnnnn nacen reen nn nn rr nnn nennen ener    Check that all the caution labels that should be present on the machine according to the instruction  handbook are clean and not peeling  Replace with new ones if necessary                      ssssesssss Q    Handle greases and solvents with care by following the instructions below    o    Use only a small amount of solvent at a time  being careful not to spill  Wipe spills off completely     Ventilate the room well while using grease or solvents     Allow 
35.  First occurrence of defect               91 mm  1 1 4   Rear registration roller        50 mm  1 15 16   Front registration roller  50 mm  1 15 16   Developing roller         59 mm  2 5 16   Transfer roller         79 mm  3 1 8   Press roller          82 mm  3 1 4   Heat roller                98 mm  3 7 8   Drum  98 mm  3 7 8   Heat roller      21 23 ppm  500 sheet  model    lnscn iue oti nte Pee eee    i  l      21 23 ppm  250 sheet  model       l  h    2 4 3    2HL 2HM 2HN 1     3  Maintenance parts list  220 240 V AC model    Maintenance part name       Name used in service manual    Name used in parts list    Part No     Alternative  part No        Maintenance kit MK 550  Drum unit  Paper feed roller assembly  Developing unit Y  Developing unit K  Developing unit C  Developing unit M  Fuser unit  Intermediate transfer unit  MP paper feed roller  Retard roller    MK 550 MAINTENANCE KIT  DK 550  HOLDER FEED ASSY SP  DV 560 Y   DV 560 K   DV 560 C   DV 560 M   FK 560 E   TR 560  ROLLER M P ASSY  43487B0027 A4  RETARD ROLLER ASSY    1702HM3EU0  302HM93010  302HN94201  302HN93020  302HN93010  302HN93030  302HN93040  302HN93070  302HN93060  SAAVROLL 051  302F909170    072HM3EU  2HM93010  2HN94201  2HN93020  2HN93010  2HN93030  2HN93040  2HN93070  2HN93060  2CL16130  2F909170       Maintenance kit MK 560    Paper feed roller assembly    Developing unit Y  Developing unit K  Developing unit C  Developing unit M   Drum unit   Fuser unit   Intermediate transfer unit  MP paper feed
36.  Hz  max  9 2 A  U S A  Canada     220 240 V  50 Hz 60 Hz  max  4 7 A  European countries  Max   Allowable voltage fluctuation   10  Max   Allowable frequency fluctuation   2   Power consumption                          Maximum 1 233 W or less  During printing  477 W  During standby  79 W  During sleep mode  7 W  Power off  0 W  Operating noise                                During printing  LpA   53 dB  A   During standby  LpA   36 dB  A   During sleep mode  Immeasurably low     1  When using CUSTOM 1  to 8   use the MP tray for paper sizes smaller than 105 x 148 mm  4 1 8 x 5 13 16     The MP tray can be used with paper sizes over 70 x 138 mm  2 3 4 x 5 7 16      2  Sound pressure level at bystander position  front  in accordance with EN ISO 7779     NOTE  These specifications are subject to change without notice     1 1 2    21 23 ppm  500 sheet  model    Printing speeds    Duplex printing speed    First print out time    Warm up time  23 C  60 RH   Paper feed source capacity    Output tray capacity  Photoconductor  Printing method  Charging system  Developing system    Transfer system    Separation system                               Charge erasing system  Cleaning system    2HL 2HM 2HN    Desktop   Electrophotographic four color  CMYK  printing using tandem  4  drum system   Cassette  60 to 120 g m    MP tray  60 to 220 g m    Cassette    Plain  preprinted  bond  recycled  rough  letterhead  color  prepunched  high quality   and custom   MP tray    Plain  transparency  
37.  Refer to the  service manual for the paper feeder         PF thermal cutout  2 triggered     Replace the PF thermal cutout 2  Refer to  the service manual for the paper feeder         Broken PF warm  air heater 2     Replace the PF warm air heater 2  Refer to  the service manual for the paper feeder         Defective PF warm  air heater driver  PWB     Replace the PF warm air driver PWB  Refer  to the service manual for the paper feeder         Defective PF main  PWB     Replace the PF main PWB  Refer to the ser   vice manual for the paper feeder            Defective engine  PWB        Replace the engine PWB  See page 1 5   30         Contents    2HL 2HM 2HN    Remarks       Causes    Check procedures corrective measures          PF warm air heater  side blower   error      Option paper feeder     An external temperature higher than   5  C  41  F is not detected when one  minute elapses after PF warm air heater  2 is turned on        Multi purpose feeder only  1610  Paper feeder 1  1630  Paper feeder 2  1650  Paper feeder 3    Defective harness  between PF warm  air heater 1 and PF  warm air heater  driver PWB  YC1    or improper con   nector insertion     Reinsert the connector  Also check for conti   nuity within the connector harness  If none   remedy or replace the harness   Refer to the  service manual for the paper feeder         Defective harness  between PF warm  air heater driver  PWB  YC3  and  PF main PWB   YC13   or  improper connec   tor insertion     Reinsert t
38.  Registration sensor     2  Paper exit sensor     3  Duplex conveying    sensor   a  Paper full sensor     5  PF paper feed sensor             Paper Jam Log             O       1 3 16    Service items    Description    2HL 2HM 2HN 1       Items    Description       Paper Jam Log     b  Detail of paper source  Hexadecimal        00  MP tray    01  Paper cassette 1  printer    02  Paper cassette 2  paper feeder 1   03  Paper cassette 3  paper feeder 2   04  Paper cassette 4  paper feeder 3     05         Duplex unit    Bulk paper feeder    Envelope feeder        c  Detail of paper size  Hexadecimal     01  Monarch   02  Business   03  International DL  04  International C5  05  Executive   06  Letter R   86  Letter E   07  Legal   08  A4R   88  A4E   09  BBR   89  B5E   OA  A3   OB  B4    OC  Ledger   OD  A5R   8D  ABE   OE  A6   OF  B6   10  Commercial  9  11  Commercial  6  12  ISO B5   13  Custom size  1E  C4   1F  Postcard   20  Reply paid postcard  21  Oficio II   22  Special 1    23  Special 2   24  A3 wide   25  Ledger wide   26  Full bleed paper   12 x 8    27  8K   28  16K R   A8  16K E   32  Statement R   B2  Statement E   33  Folio   34  Western type 2   35  Western type 4        d  Detail of paper type  Hexadecimal     01  Plain   02  Transparency  03  Preprint   04  Labels   05  Bond   06  Recycle   07  Vellum   08  Rough   09  Letter head    OA  Color   OB  Prepunched  0C  Envelope  OD  Cardstock  OE  Coated   OF  2nd side   10  Media 16  11  High quality    15  C
39.  See page 1 5   30         1 4 8       Paper feed motor error   The main motor ready input is not given  for 5 seconds during the main motor is  ON     Defective harness  between paper  feed motor and  engine PWB  YC3   YC4   or improper  connector inser   tion     Reinsert the connector  Also check for conti   nuity within the connector harness  If none   remedy or replace the harness        Defective drive  transmission sys   tem of the paper  feed motor     Check if the rollers and gears rotate  smoothly  If not  grease the bushings and  gears  Check for broken gears and replace if  any        Defective paper  feed motor     Replace the paper feed motor           Defective engine  PWB        Replace the engine PWB  See page 1 5   30         Contents    2HL 2HM 2HN 1    Remarks       Causes    Check procedures corrective measures       PF paper feed motor error    Option paper feeder    The PF paper feed motor of paper feeder  1 ready input is not given for 2 seconds  during the PF paper feed motor is ON     2610  Paper feeder 1  2620  Paper feeder 2  2630  Paper feeder 3    Defective harness  between PF paper  feed motor and PF  main PWB  YC6    or improper con   nector insertion     Reinsert the connector  Also check for conti   nuity within the connector harness  If none   remedy or replace the harness   Refer to the  service manual for the paper feeder         Defective PF paper  feed motor drive  transmission  system     Check if the gears rotate smoothly  If not   gre
40.  UND NMOS YIOS  vLg vLV  2Y   29  MIOS NNOS BEE a  EE EE SA ASSS NHIO3  SLg SLV  9v  98  NHIO3  ASES   d  ESS sd EE Ie ene re ONASAILAS   9LE 9LW   SV   Sa  LAS   ONASA 1  Y   MIOSA LAS  218 Z1W  Ei V8   LAG   1VO33 ma  9 yun Buidojeneq E  ZAE E   1033 LAS   sLav slv  ev  eal LAS   X71933 REO       ONISNL QNO NL3S3M  6L8 6LV   ZV  Z8  NL3S3S ONO cas  LION QN9 QNO  028 0ZV   LV  19  GNO GND GER  EE OLOA Ajuo japo IDA LOA  Dotsuuaun Burdojenap ynoyyM  a yun Buidojarag 1  aays 09z  wdd ez Lz LEDA      gt  a   ene  A Josuas Jauo  E UND E Buidojarneg   ZA Er      CAE Es  C INISNI    LNASNL  Z  Z  AN3SNL 9 8Md Gd W Md Gd  L ZAG E  L ONG L ON Sud oubu3     l   NYONVIgns z Jojow uej jesn4  119A LAVZ  BONG Kobe  Gel YOA a m  Gojsiujeu Burdojenep yum  a yun Buidojerag i vi v  zc   da  i WNH3H1dld 92azeu o  Zu    m s XN3SNL  E  v zg Z  Se  rhanan   yama TIT Hie  v dd HL ZL NREN t  r e OW men ORO     sx        ZAG E       ZA          m LL Josues z uobAjod COA  RON   TOA   RON  ojjosuesgeuer    Z eee i Dudol ed N3eNI z  Z ANSNL o  L   S9ON3SVH3 jot euneioduie L  RILLE   an      Jano 6 LACES tg 9 8Md DW WW 8Md OdV  CAE E  Tou 2 VIVvVa33 g Josuas SEDA AYUN  LOA LOA  ONS Apiun  Wu i UT IU LE i Z 11033 Z Ae SUR ORO koo oos  om  oo oo0 ow2  Fine E ANASNI E SEENEN OMONONSWNH   zz NOA3SVH3 ec     10j0U1 U8  T  Hy Je 1 CHA i ON3SNL K DD DO i Bujdoieasa 3 O y Sel lr all Gel io  W wun wnq    z  dossvua    LOA   ERO  lt   SSmo  ES  SSmo   S 5499 0 S  leese a lelozii   WN3SN L E  OZ O imo Bac  O mo D
41.  YC6 B20  YC6 B19    YC6 B15    YC6 A18  YC6 A17    YC6 A14    YC6 B18  YC6 B17    YC6 B14       2HL 2HM 2HN  2 1 4 Developing section    The developing unit consists of the sleeve roller that forms the magnetic brush  the magnet roller  the developing blade  and the developing screws that agitate the toner  Also  the toner sensor checks whether or not toner remains in the devel   oping unit     21 23 ppm  500 sheet  model 21 23 ppm  250 sheet  model  26 28 ppm  500 sheet  model                                                                                                                                  Figure 2 1 14 Developing unit and toner container     1  Sleeve roller  5  Developing screw B   2 Magnet roller  6  Sleeve cover    3  Developing blade  7  Toner sensor    4  Developing screw A    2 1 13    2HL 2HM 2HN            TNMMDRN Developing sleeve bias output M    YC25 2       Developing magnet bias output M       Engine PWB Developing  unit M High  voltage           2 5 PWB    d    e    TNMCDRN Ka  e  Developing magnet  e   bias output C    Developing sleeve  bias output C       YC24 2       Toner sensor C   Magnet roller  Developing PWB C    i Sleeve roller    d e  i i Developing magnet     e   bias output Y    Developing  unit C        Developing sleeve    TNMYDRN bias output Y    YC23 2          MOTREV  DLPMOTRDYN  SPEEDSEL  DLPMOTCLK  DLPMOTREN    YC27 1  YC27 2  YC27 3  YC27 4  YC27 5    Toner sensor Y   Magnet roller    Developing PWB Y       Developing  unit 
42.  engine PWB     Replace the engine  See page 1 5 30         Dirty drum     Perform the drum surface refreshing  See page 1 3 12                  Defec  Defective high voltage  tive PWB     Replace the high voltage PWB  See page 1 5 35         develop   ing bias  output     Defective engine PWB        Replace the engine  See page 1 5 30         Defective color calibration     Perform the color calibration  Refer to operation guide         Insufficient toner     If the display shows the message requesting toner replenish   ment  replace the container        Insufficient agitation of toner con   tainer     Shake the toner container vertically approximately 10 times        Paper damp            6  The background is colored     Print example Causes       Check the paper storage conditions  replace the paper     Check procedures corrective measures       Defective color calibration     Perform the color calibration  Refer to operation guide            tive  develop     Defec  Defective developing unit     Check the four colors of image by using the test page of ser   vice mode  If the defect appears on a particular color  replace  the developer for that color  See page 1 5 13         ing bias    output  Defective high voltage    PWB              Replace the high voltage PWB  See page 1 5 35         Defective engine PWB     Replace the engine  See page 1 5 30         Defec  Defective drum unit     Replace the drum unit  See page 1 5 15         tive drum  surface  charging     Defect
43.  fuser unit    emere 1 5 26  IE WEE 1 5 27   1  Detaching and refitting the power source DW    1 5 27   2  Detaching and refitting the main DVD    1 5 29   3  Detaching and refitting the engine DW    1 5 30   4  Detaching and refitting the high voltage DVD    1 5 35  IL Mer m ETE 1 5 38   1  Detaching and refitting the laser scanner unt    1 5 38   2  Detaching and refitting the ozone filter    eme 1 5 40   3  Direction of installing the principal fan motors mmm 1 5 41    1 6 Firmware    E GA Wee le Eeler EE 1 6 1   1  Firmware EE 1 6 1   2  Downloading the firmware from the USB memory                 ssssee eee eene 1 6 2   3  Downloading the firmware from the memory Car  1 6 4    2 1 Mechanical Construction    2 1 1 Paper feed conveying SOCtON DEE 2 1 1   1  Cassette paper feed section             eter tert e eter redo EO HER Eee aeri Hd ner 2 1 1   2  MP tray paper feed section                   eterni rte treten dd een qe iru Loc  2 1 3   3  Paper CONVEYING section                 ciere trennt tette nt aa ek rtr en ds donne kde 2 1 4  2 12 Drum  ei p                                               2 1 6   T  Dr  mcsecti  nm       eei ER oce ine D DRM MH ie 2 1 6   2  Main charger Uni E                              2 1 8  22123  ee DEE 2 1 10   1  Laser scanner Unity cesses  2  erbe ee ete eee A 2 1 10  2 1 4  Developing section          2 2 entrer tere ee Nee E de he Ne 2 1 13  2 1 5 Transfer separation sectior seccion torte e cene tec ete cen cn decre dera Fe Deb de SR Re 
44.  lamp M A Eliminates the residual electrostatic charge on the drum   Magenta      Eraser lamp C               enne ees Eliminates the residual electrostatic charge on the drum   Cyan   Eraser lamp Y 2    rasta ici ta Eliminates the residual electrostatic charge on the drum   Yellow    Eraset lamp  K        itor et eet Eliminates the residual electrostatic charge on the drum   Black     Fuser heater Lomp    Heats the heat roller     Fuser thermal cutout    Shuts off the power source to the fuser heater lamp when the heat roller    reaches extremely high temperature     Nope Connects the AC power source     2 2 7    2HL 2HM 2HN    This page is intentionally left blank     2 2 8    2 3 1 Power source PWB          Connector    2HL 2HM 2HN          Figure 2 3 1 Power source PWB silk screen diagram    Signal    Voltage    Description       YC101    Connected  to the AC  inlet and  power  switch     LIVE    NEUTRAL    120 VAC  220   240 V AC  120 VAC  220   240 V AC    AC power input    AC power input       YC102    Connected  to the fuser    heater lamp     NEUTRAL    N C   LIVE    120 0 V AC   220   240 0 V AC  120 V AC   220   240 V AC    Fuser heater lamp  On Off    Not used  AC power output       YC103  Connected  to the  engine  PWB        ON OO PS Ga M           HEATREM  N C   ZCROSS  SLEEPN   24V3  GND  GND  GND  GND   24V1   24V1   24V1   24V1          24 V DC   0 3 3 V DC  pulse   0 24 V DC   24 V DC       Fuser heater lamp  On Off  Not used   Zero cross signal   Sleep mod
45.  open close switch        Defective paper exit PWB     Replace the paper exit PWB        Defective engine PWB     Replace the engine PWB  See page 1 5 30          14 The message  requesting cover to  be closed is dis   played when the top  cover is closed     Defective harness or  improper connector inser   tion     Reinsert the connector  Also check for continuity within the con   nector harness  If none  remedy or replace the harness   Interlock switch   Engine PWB  YC13        Defective interlock switch     Replace the interlock switch        Defective engine PWB     Replace the engine PWB  See page 1 5 30          15 The message  requesting left cover  to be closed is dis   played when the left  cover is closed     Defective harness or  improper connector inser   tion     Reinsert the connector  Also check for continuity within the con   nector harness  If none  remedy or replace the harness   Left cover switch   Engine PWB  YC14        Defective left cover switch     Replace the left cover switch        Defective engine PWB     Replace the engine PWB  See page 1 5 30          16 Defective waste  toner box detecting     Defective harness or  improper connector inser   tion     Reinsert the connector  Also check for continuity within the con   nector harness  If none  remedy or replace the harness   Waste toner full sensor   Engine PWB  YC12        Defective waste toner full  sensor     Replace the waste toner full sensor        Defective engine PWB     Replace the engine 
46.  roller  Retard roller    2 4 4       MK 560 MAINTENANCE KIT  HOLDER FEED ASSY SP  DV 560 Y    DV 560 K    DV 560 C    DV 560 M    DK 560   FK 560 E    TR 560   ROLLER M P ASSY  43487B0027 A4  RETARD ROLLER ASSY       1702HN3EU0  302HN94201   302HN93020  302HN93010  302HN93030  302HN93040  302HN93050  302HN93070  302HN93060   SAAVROLL 051   302F909170       072HN3EU  2HN94201   2HN93020  2HN93010  2HN93030  2HN93040  2HN93050  2HN93070  2HN93060  2CL16130   2F909170             120 V AC model    2HL 2HM 2HN                            Maintenance part name Alternative Fig    Ref   Part No    Name used in service manual Name used in parts list part No  No    No    Maintenance kit MK 550 MK 550 MAINTENANCE KIT 1702HM2USO 072HM2US 15    Drum unit DK 550 302HM93010 2HM93010      Paper feed roller assembly HOLDER FEED ASSY SP 302HN94201 2HN94201      Developing unit Y DV 560 US  Y  302HN93260 2HN93260      Developing unit K DV 560 US  K  302HN93250 2HN93250      Developing unit C DV 560 US  C  302HN93270 2HN93270      Developing unit M DV 560 US  M  302HN93280 2HN93280      Fuser unit FK 560 U  302HN93080 2HN93080      Intermediate transfer unit TR 560 302HN93060 2HN93060      MP paper feed roller ROLLER MIP ASSY  43487B0027 A   5AAVROLL 051 2CL16130      Retard roller RETARD ROLLER ASSY 302F909170 2F909170       Maintenance kit MK 560 MK 560 MAINTENANCE KIT 1702HN2USO 072HN2US 15    Paper feed roller assembly HOLDER FEED ASSY SP 302HN94201 2HN94201      Developing unit Y DV 560 US
47.  the duplex unit B    Procedure    1  Remove the outer covers  See page 1 5 3      2  Remove the power source PWB  See page  1 5 27     3  While releasing the hook and then pull the  MCH cleaning shaft     4  Open the front cover   5  Remove the screw and then remove the  front cover right stopper        2HL 2HM 2HN    ES Th o NALES    d     MCH cleaning shaft  SAN R   Y cleaning sna    Sus  SN    P   BERN                                     DLW       Front cover    Front cover  right stopper    Figure 1 5 24    1 5 21    2HL 2HM 2HN    6  Remove the six screws and then remove the  feed drive unit        7  Remove the four connectors                                                                                                                                                                       Connectors       Figure 1 5 26    1 5 22    2HL 2HM 2HN                   EE   ZA  V  NS    SAN     SA    ES  AAN   2 DE    y A     A  yl   Y  JAS  SCH    S      Grounding terminals          o  E  o   lt   us  o  2   e   E  o  Li  c  o   lt   us  jo   c      v     oc  o  SE  o g  So  o c  2  Sg  2  o9  c o  o    8  Remove the FFC     Figure 1 5 27       10  Remove the axis of the front cover left stop     per from the hole   11  Remove the front cover        er    Front cov  left stopper       front cover left stopper    Front cover       Figure 1 5 28    1 5 23    2HL 2HM 2HN    o  3  9  E  g  c        lt          E  c      o     g  o  N   E       lt   S  o   gt       E   S  D   Y  
48.  the machine by the correct locations when MovinQ nt    Q      Always use anti toppling and locking devices on copiers so equipped  Failure to do this may cause  the copier to move unexpectedly or topple  leading to injury                     esem o      Avoid inhaling toner or developer excessively  Protect the eyes  If toner or developer is acciden   tally ingested  drink a lot of water to dilute it in the stomach and obtain medical attention immedi   ately  If it gets into the eyes  rinse immediately with copious amounts of water and obtain medical  puce M       P                            M           Advice customers that they must always follow the safety warnings and precautions in the copier s    instruction  hiandDGook  EEN o    2 Precautions for Maintenance    S   WARNING      Always remove the power plug from the wall outlet before starting machine disassembly                           Always follow the procedures for maintenance described in the service manual and other related    el tee De S    Under no circumstances attempt to bypass or disable safety features including safety mechanisms    and protectiVe cIEeults  see ege EE ENEE SEN S    Always use parts having the correct specifications                    ssssssssse emm em Q    Always use the thermostat or thermal fuse specified in the service manual or other related bro   chure when replacing them  Using a piece of wire  for example  could lead to fire or other serious o  leen a tM M IM    When the service m
49.  to 28  Not used  18  19  O  Light 0  High   20    Normal 1 1  Middle     Normal 2 2  Low     Normal 3 3  Vellum     Heavy 1     Heavy 2 Duplex settings    Heavy 3 0  Disable     Extra Heavy 1  Enable       SPD information       Calibration information       Calibration information       Calibration information       Calibration information       Calibration information       Calibration information       Calibration information       Calibration information       Calibration information       Calibration information       RFID information       RFID reader writer version  information       Engine parameter informa    hexadecimal  512 bytes  tion       o     6 o6j606 900 9 90    Optional paper feeder soft     Paper feeder 1  Paper feeder 2  Paper feeder 3  Paper feeder 4   ware version                1 3 6    Service items    2HL 2HM 2HN 1    Description       z  9    Items    Description       Optional font version       Optional table version       Optional message version       WEB option version       Color table version       Developing unit serial number    Black Cyan Magenta Yellow        Drum unit ID    Black Cyan Magenta Yellow        010 080 oco    Drum unit serial number          Black Cyan Magenta Yellow        Code conversion             1 3 7    2HL 2HM 2HN    Service items    Description          Printing a status page for network  Description  On the status page for network  detailed network setting information is printed     Procedure  1  Enter the service mo
50.  to the service manual for the paper feeder         Defective PF main  PWB     Replace the PF main PWB  Refer to the ser   vice manual for the paper feeder         Defective engine  PWB     Replace the engine PWB  See page 1 5   30            PF warm air heater  side blower  high  temperature error    Option paper feeder     A temperature higher than 85 C 185 F  is detected        Multi purpose feeder only  1510  Paper feeder 1  1530  Paper feeder 2  1550  Paper feeder 3    The inlet of side  blower assembly is  blocked by paper  pieces or the like     Check visually and remove it  if any  Refer  to the service manual for the paper feeder         Defective harness  between PF warm  air fan motor 1 and  PF main PWB   YC11   or  improper connec   tor insertion     Reinsert the connector  Also check for conti   nuity within the connector harness  If none   remedy or replace the harness   Refer to the  service manual for the paper feeder         Shorted PF ther   mistor 1     Replace the PF thermistor 1   Refer to the  service manual for the paper feeder         Defective PF warm  air fan motor 1     Replace the PF warm air fan motor 1  Refer  to the service manual for the paper feeder         Defective PF main  PWB     Replace the PF main PWB  Refer to the ser   vice manual for the paper feeder            Defective engine  PWB        Replace the engine PWB  See page 1 5   30         1 4 5    2HL 2HM 2HN    Contents    Remarks       Causes    Check procedures corrective measures 
51.  vico Aia dee aee Fete odde rensede  1 4 31  1 5 Assembly and Disassembly  1 5 1 Precautions for assembly and disassembly nono conan cnnnn enne ener 1 5 1   T  Precautions aii seein Sees es a ee ee en eo eee 1 5 1   2V Dru EE 1 5 1   3  Toner Container iii egoi aE e aa el ede in A As 1 5 1   4  How to tell a genuine Kyocera Mita toner Container 1 5 2   I Momus daa 1 5 3   1  Detaching and refitting the left rear cover  left upper cover and left front cover                                 1 5 3     2  Detaching and refitting the right rear cover  right upper cover and right front cover                           1 5 6    2HL 2HM 2HN    1 5 3  Paper feed  Section EE 1 5 8   1  Detaching and refitting the paper feed roller assembly  paper feed roller and pickup roller              1 5 8   2  Detaching and refitting the retard roller enne 1 5 10   3  Detaching and refitting the MP paper feed roller    1 5 12  1 5 4    Developing Section  m E 1 5 13   1  Detaching and refitting the developing unt    1 5 13  1 5 5  A a e E E E da A ia aaa a a e a ai aa 1 5 15   1  Detaching and refitting the drum unt    1 5 15   2  Detaching and refitting the main charger unt    1 5 16  1 5 6 Transfer separation Section eee nrnen nenne nemen ener enne 1 5 17   1  Detaching and refitting the intermediate transfer unit    1 5 17   2  Detaching and refitting the transfer roller unit    1 5 20   3  Detaching and refitting the duplex unit B    emm 1 5 21  IESU IKE  1 5 26   1  Detaching and refitting the
52.  wires  as the machine may be  seriously damaged    Do not touch any PWB containing ICs with bare hands or any object prone to static charge    When removing the hook of the connector  be sure to release the hook    Take care not to get the wire caught      2  Drum   Note the following when handling or storing the drum    When removing the drum unit  never expose the drum surface to strong direct light    Keep the drum at an ambient temperature between 0   C 32   F and 40   C 104   F and at a relative humidity not higher than  9096 RH  Avoid abrupt changes in temperature and humidity    Avoid exposure to any substance which is harmful to or may affect the quality of the drum    Do not touch the drum surface with any object  Should it be touched by hands or stained with oil  clean it      3  Toner container    Store the toner container s  in a cool  dark place   Avoid direct light and high humidity     1 5 1    2HL 2HM 2HN 2   4  How to tell a genuine Kyocera Mita toner container    As a means of brand protection  the Kyocera Mita toner container utilizes an optical security technology to enable visual  validation  A validation viewer is required to accomplish this     Hold the validation viewer over the left side part of the brand protection seal on the toner container  Through each window  of the validation viewer  the left side part of the seal should be seen as follows     A black colored band when seen through the left side window  A shiny or gold colored band when seen t
53. 0000000000000000 0000000000000000 0000000000000000   0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000    61  0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000    62  0000000000000000 0000000000000000 0000000000000000 0000000000000000    63 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000   0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000    64 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000    63  0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000    66 12345678 11223344 00001234abcd567800001234abcd5678 01234567890123456789012345678901 0008 00 07  12345678 11223344 00001234abcd567800001234abcd5678 01234567890123456789012345678901 0008 00 07  12345678 11223344 00001234abcd567800001234abcd5678 01234567890123456789012345678901 0008 00 07  12345678 11223344 00001234abcd567800001234abcd5678 01234567890123456789012345678901 0008 00 07  XXXXXXXX  FFFFFFFFFFFFFFFF FFFFFFFFFFFFFFFF FFFFFFFFFFFFFFFF FFFFFFFFFFFFFFFF   FFFFFFFFFFFFFFFF FFFFFFFFFFFFFFFF FFFFFFFFFFFFFFFF FFFFFFFFFFFFFFFF   FFFFFFFFFFFFFFFF FFFFFFFFFFFFFFFF FFFFFFFFFFFFFFFF FFFFFFFFFFFFFFFF   FFFFFFFFFFFFFFFF FFFFFFFFFFFFFFFF FFFFFFFFFFFFFFFF FFFFFFFFFFFFFFFF   FFFFFFFFFFFFFFFF FFFFFFFFFFFFFFFF FFFFFFFFFFFFFFFF FFFFFFFFFFFFFFFF   FFFFFFFFFFFFFFFF FFFFFFFFFFFFFFFF FFFFFFFFFFFFFFFF FFFFFFFFFFFFFFFF   FFFFFFFFFFFFFF
54. 2 7  E   YC2 8  yc34 1  ERASEMDR    0  A lycra  YC34 3   ERASECDR    YC1 3  YC34 5   ERASEYDR    YC1 5  yc34 7  EECLK    YC1 7  YC34 9   EEDATA    YC1 9  YC34 11 ERASEKDR EES    YC1 11   1  21 23 ppm  250 sheet  model  2  24 23 ppm  500 sheet  model          26 28 ppm  500 sheet  model                  Figure 2 1 8 Drum section block diagram    2 1 7    2HL 2HM 2HN     2  Main charger unit    The main charger unit consists of the main charger wire  the main charger grid  and the main charger shield  and charges  the drum for image forming  Also the main charger unit is equipped with a main charger cleaning motor to conduct clean     ir g autor  atically   NN A  NA    A    Figure 2 1 9 Main charger unit            x        Main charger shield        2  Main charger wire   3  Main charger grid   4  Main charger cleaner unit   5  Main charger spiral    2 1 8          Main charger output M             Main charger output C             Main charger output Y             Main charger output K       Main J unit K    Drum unit M  Drum    Grid      Wire         Zener fa    PWB M      Main H unit M      Drum unit C      Drum      Grid    lii i    Zener doe      PWB C      Main  H unit C      Drum unit Y      Drum          Grid    i T      Zener      sn    PWB Y      Main  H unit Y      Drum unit K      Drum        Grid      Wire      Zener L Shield i    PWBK               Main  charger  cleaning  motor       High voltage  PWB    CN1 11    CN1 14    CN1 17    CN1 20       MMCNT    MCCNT 
55. 29    L value settings    Top margin  integer  Top margin  decimal place  Left margin  integer  Left  margin  decimal place  Paper length  integer  Paper length  decimal place    Paper width  integer  Paper width  decimal place              Life counter  The first line     Machine MP tray Printer s cassette Paper feeder 1 Paper feeder 2   Paper feeder 3     Duplex printing       Life counter  The second  line     Drum unit K Drum unit C Drum unit M Drum unit Y   Intermediate transfer unit Developing unit K Developing unit C   Developing unit M Developing unit Y Maintenance kit       Operation panel lock status    0  Off    Partial lock    Full lock       USB information      Not connected    Full Speed    Hi Speed       Paper handling information      Paper source unit select    Paper source unit       Color printing double count  mode      All single counts    Folio  Single count  Less the 330 mm  length           Black and white printing  double count mode         All single counts    Folio  Single count  Less the 330 mm  length        1 3 5    2HL 2HM 2HN 1    Service items Description       z  9    Items Description       Billing counting timing       Temperature  machine  inside        Temperature  machine out   side           Si 90    Relative temperature   machine outside        Absolute temperature   machine outside        LSU information       LSU2 information       Fixed asset number       16 SJa        Media type attributes    Weight settings    Fuser settings    1
56. 5 35         Defective engine PWB     Replace the engine PWB  See page 1 5 30          8 Transfer charging  is not performed     Defective harness or  improper connector inser   tion     Reinsert the connector  Also check for continuity within the con   nector harness  If none  remedy or replace the high voltage PWB   See page 1 5 35     High voltage PWB   Engine PWB  YC16        Defective high voltage  PWB     Replace the high voltage PWB  See page 1 5 35         Defective engine PWB     Replace the engine PWB  See page 1 5 30          9 The message  requesting paper to  be loaded is shown  when paper is  present in the cas   sette     Defective paper sensor 1 2     Replace the engine PWB  See page 1 5 30         Broken paper sensor 1 2  actuator     Check the bending of the actuator lever of the paper sensor 1 2 if  there is trouble  remedy or replace        Defective engine PWB     Replace the engine PWB  See page 1 5 30          10 The message  requesting paper to  be loaded is shown  when paper is  present in the MP  tray     Defective harness or  improper connector inser   tion     Reinsert the connector  Also check for continuity within the con   nector harness  If none  remedy or replace the harness   MP tray sensor   Engine PWB  YC21        Defective MP tray sensor     Replace the MP tray sensor        Defective engine PWB     Replace the engine PWB  See page 1 5 30          11 The size of paper  in the cassette is not  displayed correctly     Defective harness or  i
57. B     Replace the engine PWB  See page 1 5   30         1 4 4       PF lift motor error    Option paper feeder    When the PF lift motor is driven  the PF  lift motor over current detection signal is  detected continuously for 50 times  5 s   at 100 ms intervals    After the PF lift motor is driven  the ON  status of PF lift limit sensor cannot be  detected for 8 seconds    The cassette installed confirmation mes   sage is displayed on the printer opera   tion panel  and even if the cassette is  opened and closed  the cassette  installed confirmation message is dis   played 5 times successively     1020  Paper feeder 1  1030  Paper feeder 2  1040  Paper feeder 3    Defective harness  between PF lift  motor and PF main  PWB  YC7   or  improper connec   tor insertion     Reinsert the connector  Also check for conti   nuity within the connector harness  If none   remedy or replace the harness   Refer to the  service manual for the paper feeder         Defective bottom  plate elevation  mechanism in the  cassette     Check to see if the bottom plate can move  smoothly and repair it if any problem is  found  Refer to the service manual for the  paper feeder         Defective drive  transmission  system of the PF  lift motor     Check if the gears rotate smoothly  If not   grease the bushings and gears  Check for  broken gears and replace if any  Refer to the  service manual for the paper feeder         Defective PF lift  motor     Replace the PF lift motor   Refer to the ser   vic
58. CNT       T2CNT          YC16 7   YC16 20  YC16 21  YC16 22  YC16 23  YC16 24  YC16 25    Right  ID sensor    Left ID sensor                            Eg CES  noo uoo  x  gt  gt  a   gt    gt   3 uj   Y v Y y  UNS WW Ki 19  LO WwW Q O O O  0 00 OOO   gt  gt  gt   gt  gt  gt    Engine PWB       Figure 2 1 17 Transfer separation section block diagram    2HL 2HM 2HN    2 1 6 Fuser section    The paper sent from the transfer separation section is interleaved between the heat roller and the press roller  The heat  roller is heated by the fuser heater lamp  and the toner is fused by heat and pressure and fixed onto the paper because the  press roller is pressed by the fuser press spring  The surface temperature of heat roller is detected by the fuser thermistor  and controlled by the engine PWB  If the fuser section shows extremely high temperature  the power line will be shut off  and the fuser heater lamp is forced to turn off                                                     Figure 2 1 18 Fuser section     1  Upper fuser frame  7  Fuser thermistor   2  Lower fuser frame  8  Separators    3  Heat roller  9  Paper exit guide   4  Press roller  10  Paper exit roller   5  Fuser heater lamp  11  Paper exit pulley   6  Fuser thermal cutout  12  Envelope switch    2 1 17    2HL 2       2 1 18    HM 2HN    Engine PWB    YC20 3    YC20 2    YC39 1  YC39 2  YC39 3  YC39 4    YC19 1    YC19 3       FTHERM       STFUBN  STFUAN    STFUB  STFUA    HEATREM    ZCROSS    Paper exit PWB    YC1
59. Check the installation of the main PWB and  engine PWB and reinstall them if necessary   See page 1 5 29 and 1 5 30         Defective main  PWB     Replace the main PWB  See page 1 5 29            Defective engine  PWB        Replace the engine PWB  See page 1 5   30         1 4 11    2HL 2HM 2HN 1    Contents    Remarks       Causes    Check procedures corrective measures       Broken eraser lamp K wire   When the eraser lamp K is driven  the  eraser lamp K over current detection sig   nal is detected continuously for 10 times   1 s  at 100 ms intervals     Defective harness  between drum unit  K and drum relay  PWB  YC2 YC3    or improper con   nector insertion     Reinsert the connector  Also check for conti   nuity within the connector harness  If none   remedy or replace the harness        Defective harness  between drum  relay PWB  YC1   and engine PWB   YC34   or  improper connec   tor insertion     Reinsert the connector  Also check for conti   nuity within the connector harness  If none   remedy or replace the harness        Defective eraser  lamp K     Replace the drum unit K   See page 1 5 15         Defective engine  PWB     Replace the engine PWB  See page 1 5   30         Broken eraser lamp C wire   When the eraser lamp C is driven  the  eraser lamp C over current detection sig   nal is detected continuously for 10 times   1 s  at 100 ms intervals     Defective harness  between drum unit  C and drum relay  PWB  YC8 YC9    or improper con   nector insertion     R
60. FF FFFFFFFFFFFFFFFF FFFFFFFFFFFFFFFF FFFFFFFFFFFFFFFF   FFFFFFFFFFFFFFFF FFFFFFFFFFFFFFFF FFFFFFFFFFFFFFFF FFFFFFFFFFFFFFFF    69  ABCDEFGHIJ  ABCDEFGHIJ  ABCDEFGHIJ  ABCDEFGHIJ    ABCDEFGHIJ  ABCDEFGHIJ  ABCDEFGHIJ  ABCDEFG  ABCDEFGHIJ  69 61  62 63 64   ABCDEFGHIJ ABCDEFGHIJ ABCDEFGHIJ ABCDEFGHIJ   0000 0000 0000 0000 ABCDEFGHIJ ABCDEFGHIJ ABCDEFGHIJ ABCDEF GHIJ  68 67      XXXXXXXXXXXXXXXX        Figure 1 3 2       1 3 4    Service items    2HL 2HM 2HN 1    Description       Detail of service status page  2     Items    Description       NVRAM version    _ 1F3 1225 _ 1F3 1225   a   b   c   d   e   f    a  Consistency of the present software version and the database  _  underscore   OK     Asterisk   NG   b  Database version   c  The oldest time stamp of database version   d  Consistency of the present software version and the ME firmware ver   sion  _  underscore   OK     Asterisk   NG   e  ME firmware version   f  The oldest time stamp of the ME database version    Normal if  a  and  d  are underscored  and  b  and  e  are identical with  c   and  f         Mac address       Destination information       Area information       Margin settings    Top margin Left margin       Low Power mode settings       Top offset for each paper  source    MP tray Paper feeder 1 Paper feeder 2 Paper feeder 3     Duplex   Page rotation       Left offset for each paper  source    MP tray Paper feeder 1 Paper feeder 2 Paper feeder 3     Duplex   Page rotation       e  e  ea  e  26   e   e8  
61. HL 2HM 2HN 1       z  9    Detail of service status page  1     Items    Description       Firmware version       Engine software version       Engine boot version       Main ROM version       Panel mask version       Used memory       Local time zone       eG eo Gio    Presence or absence of  the optional paper feeder  1    Installed  Paper feeder  Normal   Installed  Multi purpose   Multi purpose feeder  Not Installed  Absence       Presence or absence of  the optional paper feeder  2    Installed  Paper feeder  Normal   Installed  Multi purpose   Multi purpose feeder  Not Installed  Absence       Presence or absence of  the optional paper feeder  3    Installed  Paper feeder  Normal   Installed  Multi purpose   Multi purpose feeder  Not Installed  Absence        Presence or absence of  the paper feeder 4     Installed  Paper feeder  Normal   Installed  Multi purpose   Multi purpose feeder  Not Installed  Absence       Presence or absence of  the optional memory card    Installed  Presence  Not Installed  Absence       Presence or absence of  the optional hard disk unit    Installed  Presence  Not Installed  Absence       Black toner coverage Number of pages printed converted in reference to A4 or Letter size        Cyan toner coverage Number of pages printed converted in reference to A4 or Letter size        Magenta toner coverage   Number of pages printed converted in reference to A4 or Letter size        Yellow toner coverage Number of pages printed converted in referenc
62. I  NI 194    l DS   Sg 52355 o mizo 22 m2 5  S 2  2  p  g  9  HGW3SVA3 DEER o ogg 56558 2  S  lo  2  9  lt  FS 2602 ES  E   PEDA 2183052 25s annaa e ae  ea A xs OZ LOT o68 SNB26 3 da  onza oo0 x9o0ROMA  ul B XONAGON  aa RSR 3 Se EE VCONDAALN   1 69A  LOA  oyun wnq e DEDA  L      BOA                                 s 8Md   ejas wing ZEDA SLOA 99A GOA 6ZOA  m IZEG EEN anova ARUN  BEEN na RN NG SA Soe am oc OCONANAWN     994   anor Na BY Rise   lt  darenNze oo0 0oo0RON   i E 7  A yun wng Ke 55 a   lt  zT e le dE  L DIE Ic SS mio    lt   IS S m O         SOA Bs zaoo ogge S Bores  i 3 v Z EzBaeS GIS X zoze  ARREA SIR eaa EE EE EE E F4  DIO  u el  p ee e so epe  yun wnq DEE UT KS B alal i5 5 5 V Sep VCONDAALN  COXDRALN   SEA gMd wing i   oS S ok 9 U Go m m m m  aeui  budasvua  Z  Z HO 20032213 de SSloBls E sos See CONDAL oo ooAow  i Less ONS     QN9 O A D gt  2 12   EE E oem au 3 2 LOA LOA  i   Ppou  jeeus osz  wdd ez Lz   94 S  TZ EEN reir o RON A 8Md DAV A 8Md DAY  d Le EONA SERN SEUNA AkwN  SOA es o   ZOA  a wma  z de z z    8Mdung ova  8  8   ova PORA xl  al      L D   kee AN E nd Josuas q  W  I Josues gi 437 AA 10 0U1 o D S  gt   9  S o  LAG e  S   LAg e  Md Ieued uoneedo  m  i El EE s 6 ES  Jepoui  jeeus oos  ONS y  ONO DA  amp  coo FUTTER  wdd 82 97 yoga  e       41933  nepow Dees grgl  YAFEVYS  e  e WOgevad Josue A 8Md Gd A 8Md dd  wdd    Z LZ KEN piousjos ql 10joui uoBAjod ZOA o m                                  2 4 2    2HL 2HM 2HN     2  Repetitive defects gauge        
63. Jedi LIL E a  pea  Jedeg eer ELE  BE ovo  PHA 35 2  E Qa c  P  6 S z z Jojou ue  E 3  35 III  Nanas vente  t  t  n SS Sr PANT sno  3  2  ag jeje ziz 8 S S J  MOd  S5  z  z NWals Nvndis 5       bAve  Vv T  S    2  2 anars andisi E  E  S age    WAGLS wnais 1     gie  o      aa  gt   SE H Y  nens Namis L        53    Nus NYS       i6   5E  li  anis SIS  VIALS GES EL EL  LAbz   Zi Zi LAve  m Ed  BE LLL L   z     O ele  Neots naars S  S OL OL  LAvZ  a wo   55  E E  NIS Nvois   2 9   6 dqN5 8   328  a8  f t gois dois   4  4 88  UNS 3  gt   VOLS vols 9 9 1 1 QN9 8  w   E 9  9 ano 5   ei    Pele P S G CAvz  3     e  g NINS Nas  6 t   v  Nd3378 a    53  t t NVAIS NURS 0H 0l o        Ssouoz E  5E  f axis SAIS   tet 5   2  2 ON 5  VAIS VAIS S 1  L  WasivaH 5  8 pe Os     t t Nes   L EL o    NELS  53  f EINDUS ges EI T  SE  yt HS Sis orat 3  XISV SEN    o  z                               2 4 1                                                                                                                                                                                                                                                                                                                                                                         2HL 2HM 2HN 1                                              puo                                                                                                                                                                                       
64. KMCNT  MYCNT  BYSCNT  BYMCNT  MCCNT  BCSCNT  BCMCNT  MMCNT  BMSCNT  BMMCNT  CLENT  TIMCNT  T1CCNT  T1YCNT  T1KCNT  T2CNT   24V4   24V4    0 3 3 V DC  pulse       0 3 3 V DC  pulse   0 3 3 V DC  pulse   0 3 3 V DC  pulse   0 3 3 V DC  pulse   PWM   PWM   PWM   PWM   PWM   PWM   PWM   PWM   PWM   PWM   PWM   PWM   PWM   PWM   PWM   PWM   PWM   PWM   24 V DC   24 V DC    Ground   Ground   Developing bias clock signal  Black    Developing bias clock signal  Yellow    Developing bias clock signal  Cyan    Developing bias clock signal  Magenta   Secondary transfer bias reverse signal   Main charger high voltage control voltage  Black   Developing sleeve bias control voltage  Black   Developing magnet bias control voltage  Black   Main charger high voltage control voltage  Yellow   Developing sleeve bias control voltage  Yellow   Developing magnet bias control voltage  Yellow   Main charger high voltage control voltage  Cyan   Developing sleeve bias control voltage  Cyan   Developing magnet bias control voltage  Cyan   Main charger high voltage control voltage  Magenta   Developing sleeve bias control voltage  Magenta   Developing magnet bias control voltage  Magenta   Cleaning bias control voltage   Primary transfer bias control voltage  Magenta   Primary transfer bias control voltage  Cyan   Primary transfer bias control voltage  Yellow   Primary transfer bias control voltage  Black   Secondary transfer bias control voltage   24 V DC power source   24 V DC power source       Conne
65. M of drum PWB C does not  communicate normally    Incompatible drum unit C is installed     Faulty connection  of the connector  between the drum  PWB C and drum  relay PWB     Check the installation of the drum unit C and  drum relay PWB and reinstall them if neces   sary  See page 1 5 15         Defective harness  between drum  relay PWB  YC1   and engine PWB   YC34   or  improper connec   tor insertion     Reinsert the connector  Also check for conti   nuity within the connector harness  If none   remedy or replace the harness        Installation of  incompatible drum  unit C     Install drum unit C compatible with the spec   ifications to the printer        Defective drum  PWB C     Replace the drum unit C  See page 1 5 15         Defective engine  PWB     Replace the engine PWB  See page 1 5   30         1 4 18       Drum unit M non installing error   The EEPROM of drum PWB M does not  communicate normally    Incompatible drum unit M is installed     Faulty connection  of the connector  between the drum  PWB M and drum  relay PWB     Check the installation of the drum unit M and  drum relay PWB and reinstall them if neces   sary  See page 1 5 15         Defective harness  between drum  relay PWB  YC1   and engine PWB   YC34   or  improper connec   tor insertion     Reinsert the connector  Also check for conti   nuity within the connector harness  If none   remedy or replace the harness        Installation of  incompatible drum  unit M     Install drum unit M compatible w
66. N         GND  TNSENY   3 3V2  N C              Ground   Toner sensor Y detection voltage  3 3 V DC power source   Not used       Connector    Signal    Voltage    2HL 2HM 2HN    Description       YC8    Connected  to the drum  PWB C    EEDATA  ERASEDR  EECLK  GND   3 3V1  N C    DA1   DAO    0 3 3 V DC  pulse   0 24 V DC  0 3 3 V DC  pulse     3 3 V DC    0 3 3 V DC  0 3 3 V DC    EEPROM data signal  Eraser lamp C  On Off  EEPROM clock signal  Ground   3 3 V DC power source  Not used   Data address signal  Data address signal       Connected  to the drum  PWB C    ON AIAN Oo Om RAIN      GND  ERASECDR  N C     0 24 V DC    Ground  Eraser lamp C  On Off  Not used       YC10    Connected  to the devel   oping PWB  C    RBRWQWN      GND  TNSENC   3 3V2  N C     Ground   Toner sensor C detection voltage  3 3 V DC power source   Not used       YC11    Connected  to the drum  PWB M    EEDATA  ERASEDR  EECLK  GND   3 3V1  N C    DA1   DA0    0 3 3 V DC  pulse   0 24 V DC  0 3 3 V DC  pulse     3 3 V DC    0 3 3 V DC  0 3 3 V DC    EEPROM data signal  Eraser lamp M  On Off  EEPROM clock signal  Ground   3 3 V DC power source  Not used   Data address signal  Data address signal       Connected  to the drum  PWB M    w No  o 0o0 bk GAMM A    GND  ERASMCDR  N C     0 24 V DC    Ground  Eraser lamp M  On Off  Not used       YC13    Connected  to the devel   oping PWB  M       WD         GND  TNSENM   3 3V2  N C              Ground   Toner sensor M detection voltage  3 3 V DC power sourc
67. PROM storage    18  Drum A Te EE Relays wirings from electrical components on the drum unit Y  Drum indi   vidual information in EEPROM storage    19  Drum PWB K               n Relays wirings from electrical components on the drum unit K  Drum indi   vidual information in EEPROM storage    20  Zener PWB M A Adjusts the drum surface potential   Magenta    21  Zener PWB C diee ieu Adjusts the drum surface potential   Cyan    22  Zener PWB Yuan n eee Adjusts the drum surface potential   Yellow    23  Zener PWB  Kiyevin aa Adjusts the drum surface potential   Black    24  Developing PWB M A Relays wirings from electrical components on the developing unit M    25  Developing PWB C A Relays wirings from electrical components on the developing unit C    26  Developing PWB Y                        sees Relays wirings from electrical components on the developing unit Y    27  Developing Dk  Relays wirings from electrical components on the developing unit K     21 23 ppm  500 sheet  model and 26 28  500 sheet  model only    2 2 2    2HL 2HM 2HN 1     2  Switches and sensors                   Machine left    277  Machine inside    SE Md    Machine right                Figure 2 2 2 Switches and sensors       1  Power SWOR  Turns ON OFF the AC power source   Interlock switch eeen Shuts off 24 V DC power line when the top cover and front cover are  opened   3  Left cover awitch ecer Shuts off 24 V DC power line when the left cover is opened   4  Cassette size switch AA Detects the paper s
68. PWB  See page 1 5 30            Defective laser scanner  unit     Thelaser  is acti   vated  simulta   neously  for all  colors            3  A specific color is printed solid     Print example    Causes       Replace the laser scanner unit YK and laser scanner unit MC   See page 1 5 38      Check procedures corrective measures       Defective main charger unit which  corresponds to the color causing the  problem     Check if the main charger unit is properly seated  If necessary   reseat it properly        Disconnected main charger wire     Replace the main charger unit  See page 1 5 16  1 5 16            Laser of laser scanner unit for solid  color printing is ON   Defective laser scanner unit      4  The back side gets dirty     Print example    Causes       Replace the laser scanner unit YK and laser scanner unit MC   See page 1 5 38         Check procedures corrective measures       Dirty secondary transfer roller     Clean the secondary transfer roller        Dirty paper conveying path     Clean the paper conveying path           Dirty heat roller and press roller        Clean the heat roller and press roller        1 4 23    2HL 2HM 2HN     5  Image is too light     Print example Causes    Check procedures corrective measures       Defec  Defective developing unit     Replace the developing unit for the color that causes an error        tive  develop   ing bias       Defective high voltage  PWB     Replace the high voltage PWB  See page 1 5 35         output  Defective
69. PWB  See page 1 5 30          17 Others     1 4 30       Wiring is broken  shorted or  makes poor contact        Check for continuity  If none  repair        1 4 5 Mechanical problems    Problem    Causes check procedures    2HL 2HM 2HN    Corrective measures        1 No primary paper  feed     Check if the surfaces of the paper feed roller   MP paper feed roller are dirty with paper pow   der     Clean with isopropyl alcohol        Check if the paper feed roller  MP paper feed  roller are deformed     Check visually and replace any deformed  rollers  See page 1 5 8 and 1 5 12         Defective paper feed clutch installation     Check visually and remedy if necessary         2 No secondary paper  feed     Check if the surfaces of the upper and lower  registration rollers are dirty with paper pow   der     Clean with isopropyl alcohol        Defective registration clutch installation     Check visually and remedy if necessary         3 Skewed paper feed     Width guide in a cassette installed incorrectly     Check the width guide visually and correct  or replace if necessary        Deformed width guide in a cassette     Repair or replace if necessary        Defective MP tray slider installation     Check the slider visually and correct or  replace if necessary        Deformed MP tray slider     Check visually and replace any deformed  slider         4 Multiple sheets of  paper are fed at one  time     Check if the paper is curled     Replace the paper        Paper is not place
70. PWB  See page 1 5 30          3 Power source fan  motor  ozone fan  motor  developing fan  motor1 2 and fuser  fan motor 1 2 do not  operate     Broken the fan motor coil     Check for continuity across the coil  If none  replace the fan  motor        Defective harness or  improper connector inser   tion     Reinsert the connector  Also check for continuity within the con   nector harness  If none  remedy or replace the harness    Power source fan motor   Engine PWB  YC8    Ozone fan motor   Engine PWB  YC11    Developing fan motor 1   Engine PWB  YC10    Developing fan motor 2   Engine PWB  YC41    Fuser fan motor 1   Paper exit PWB  YC2    Fuser fan motor 2   Engine PWB  YC44        Defective engine PWB     Replace the engine PWB  See page 1 5 30          4 Paper feed clutch   registration clutch   developing clutch K   duplex clutch and  intermediate clutch  do not operate     Broken clutch coil     Check for continuity across the coil  If none  replace the clutch        Defective harness or  improper connector inser   tion     Reinsert the connector  Also check for continuity within the con   nector harness  If none  remedy or replace the harness    Paper feed clutch   Engine PWB  YC26    Registration clutch   Engine PWB  YC26    Developing clutch K   Engine PWB  YC26    Duplex clutch   Engine PWB  YC3    Intermediate clutch   Engine PWB  YC3        Defective engine PWB     Replace the engine PWB  See page 1 5 30          5 MP paper feed  solenoid  ID solenoid   duplex so
71. This booklet provides safety warnings and precautions for our service personnel to ensure the safety of  their customers  their machines as well as themselves during maintenance activities  Service personnel    are advised to read this booklet carefully to familiarize themselves with the warnings and precautions  described here before engaging in maintenance activities        Safety warnings and precautions    Various symbols are used to protect our service personnel and customers from physical danger and  to prevent damage to their property  These symbols are described below          DANGER  High risk of serious bodily injury or death may result from insufficient attention to or incorrect  compliance with warning messages using this symbol     S   WARNING  Serious bodily injury or death may result from insufficient attention to or incorrect compliance  with warning messages using this symbol     S   CAUTION  Bodily injury or damage to property may result from insufficient attention to or incorrect  compliance with warning messages using this symbol     Symbols    The triangle  A  symbol indicates a warning including danger and caution  The specific point  of attention is shown inside the symbol     bg General warning   AN Warning of risk of electric shock   AN Warning of high temperature     OY indicates a prohibited action  The specific prohibition is shown inside the symbol     General prohibited action     Disassembly prohibited     eo      indicates that action is requir
72. Waste toner box  Power cord  Document tray  Upper left cushion   0  Upper right cushion   1  Outer case    RSOONG OR ON  gt     12  Machine cover 600 x 600 x 900  13  Cassette cushion   14  Desiccating agent   15  Main pad   16  Machine cover 650 x 650 x 1200  17  Bottom left cushion   18  Bottom right cushion   19  Plastic bag 240 x 350   20  Operation guide   21  Installation guide   22  Plastic bags 200 x 700    1 2 3    2HL 2HM 2HN 1   2  Removing the tape     lt Procedure gt   1  Remove the tape A   1  Remove two tapes B and then remove the  installation guide and desiccating agent  Tape B    Installation guide          Figure 1 2 4    1 2 4    1 2 3     lt Procedure gt     1     3     o UR    Turn off printer power switch    Caution    Do not insert or remove expansion memory  modules while printer power is on    Doing so may cause damage to the printer  and the expansion memory modules   Remove the two screws and then remove  the main PWB     Insert the expansion memory modules into  the expansion memory socket so that the  notches on the memory align with the corre   sponding protrusions in the slot    Refit the main PWB    Print a status page to check the memory  expansion  See page P  1 3 2     If memory expansion has been properly per   formed  information on the installed memory  is printed with the total memory capacity has  been increased    Standard memory capacity  256 MB    2HL 2HM 2HN    Installing the expansion memory modules  option     d    LA            
73. Y    Developing  sleeve bias    TNMKDRN output K    YC22 2       Developing  E i magnet bias             output K       MOTKREV  DLPMOTKRDYN   SPEEDSEL   DLPMOTKCLK  DLPMOTKREN       YC26 3  YC26 4  YC26 5  YC26 6  YC26 7          Developing  unit K       RM    vC26 1   DLPCLDRN    Developing    TNSENM  TNSENC  TNSENY  DLPTHE                      TNSENM  TNSENC  TNSENY    YC34 2  YC34 4  YC34 6  YC34 13  YC34 14    TNSENK  DLPTHERM Drum relay PWB          BKSCNT  BKMCNT  BYSCNT  BYMCNT  BCSCNT  BCMCNT  BMSCNT  BMMCNT       YC16 9  YC16 10  YC16 12  YC16 13  YC16 15  YC16 16  YC16 18  YC16 19    CN1 19  CN1 18  CN1 16  CN1 15  CN1 13  CN1 12  CN1 10  CN1 9    Y       Y       Y       Y       Y       Y       Y       Y                   Figure 2 1 15 Developing section block diagram    2 1 14    2HL 2HM 2HN    2 1 5 Transfer separation section    The transfer separation section consists of the intermediate transfer unit and the transfer roller unit  The intermediate  transfer unit consists of the transfer cleaning unit  the transfer belt  and the four primary transfer rollers for respective color  drums  and forms a full color toner image by superimposing and transferring single color toner images formed on each  drum onto the transfer belt  Also with the left and right ID sensors mounted on the machine frame  the toner density on the  transfer belt is measured  The transfer cleaning unit collects toner remaining on the transfer belt after secondary transfer  and forwards it as w
74. a   will be displayed   3  Press the OK key   Data waiting  is displayed and the printer waits for data to be writ   ten   4  When the data is sent   Processing  appears and the data is written to USB memory   When data writing ends  the display returns to  Ready    Completion        gt  gt Maintenance          Counter reset for the maintenance kit   Description   The  Install MK  message means that maintenance kit should be replaced at 200 000 pages  of printing  The interval counter must be manually reset using this service item     Maintenance kit includes the following units   Drum unit x 4   Developing unit M  C  Y and K   Fuser unit   Intermediate transfer roller   Paper feed roller assembly   Retard roller assembly   Ozone filter    Purpose  To reset the life counter for the drum units  developing units  intermediate transfer unit  and  fuser unit included in maintenance kit     Procedure for replacing the maintenance kit  Drum unit x 4  See page 1 5 15    Developing unit M  C  Y and K  See page 1 5 13   Fuser unit  See page 1 5 26    Intermediate transfer unit  See page 1 5 17   Paper feed roller assembly  See page 1 5 8   Retard roller assembly  See page 1 5 10    Ozone filter  See page 1 5 40     Procedure   1  Enter the service mode   gt  gt Maintenance     2  Press the OK key    gt  gt Maintenance   will be displayed    3  Press the OK key twice  The counter for each component is reset immediately   Completion    Note    Occurrences of resetting the maintenance ki
75. a UND pra  138 8 lolo   EG 92 7     13 8 nm ANODOA  12 E EE  E  MEE    V3 L  ps pw vez  Ce   viv ona EE   Ze  VOTIDAHINISHNZI   22 02 2  13   Jele aaron EN wd LENOMALLNOSNG 02 61  amp   145 2 z z del I 20 01  LNOWDIBLINDAIN BL ZL 2  is S   c   l  l I S INOSASINOWAS    3L S pepes  E Met B  HE FINSSWINOSOE  El 3 ANN    e 5751  gt  1NOWOSLINOWN UD a  i  E uon  LE   aepowou 17      NEGO SENE SUS   INOSWS INOWWE   94 6 E ES     E 2 ENPEF   o  zejcz  END TOLLNOWLL SU SI l  BS E ice  INDOHUINOAH    9 8 3   j A   uoinp xeldng A z NHdiond 5 M I  gt  ozz ENOMLL INOZL   me e 5i I    VAVCSIVNVES  al 9 9 9 9o Hi    ee a E    I co   ele l  0 E LS psc  l ww POND S F  SI x mar   OJO 3 E  Nuaiowil       gt    ott 8g   st LRL Leds a  po Dees Org  wdd 82 97 2 Era       C 7121 F1    Jiepoui  jeeus oos  wdd ez Lz I E 5   E cona 5  2      i 2 15  l 3   ele O O    81   El    l e  e  Nas it  b  _  2  z  z  2er  5 Zi   By i  i  5 t  Nva3157 1  1 3  o ER E  E      eo   66 gadis  FA     gt     gt  HL Haz 227 2  J JOJU   i i    cel  vadis 1         Si Bes l  EE l i us zn eu E    I Jepow  jeays 009  wdd ez Lz i tit Duld  I Jiepoui  jeeus ogz  wdd ez Lz   a         sata     _  Ppowesus 05z  wdd eat         lo Slzlz  b iip  vip SEN  55 lele Nenas lit ____  25 NYNJLS SC RE  EE RS andisi  E S 133   z zlz Tm  LIL Sere  188   O t E  NSONVIZO  qus    EE LS LAVZ  OUO EA  ex 15l5 LESSER EERTE H  9 9 ES E o   20    8 glo nasiona  Ein 122 Se  IIIe budord ER   2    meus 5 5 O 188 39   gt  GA DOE dE  23  t load  S   
76. a for developer refreshing is carried out  and operation to  exposure  developing  and primary transfer is performed by 10 pages   Paper is not fed   Purpose  To perform cleaning when faulty images occur and a line appears longitudinally   Procedure   1  Enter the service mode   gt  gt DEV CLN     2  Press the OK key    gt  gt DEV CLN   will be displayed    3  Press the OK key  Developer refreshing will be started   Completion    A4 paper size    200 mm       Toner image on the transfer belt    Figure 1 3 4Developer refreshing Image data        gt  gt LSU Charger             LSU dust shield glass and main charger cleaning  Description  The LSU cleaning motor drives the cleaning pad which in turn wipes clean the LSU dust  shield glass   The main charger cleaning motor drives the cleaning pad which in turn wipes clean the main  charger wire and the main charger grid   Purpose  To perform cleaning when the printed image is bad and stripes are seen in the vertical direc   tion   Procedure   1  Enter the service mode   gt  gt LSU Charger     2  Press the OK key    gt  gt LSU Charger   will be displayed    3  Press the OK key  LSU dust shield glass and main charger cleaning will be started   Completion    1 3 11    2HL 2HM 2HN    Service items    Description        gt  gt Drum       1 3 12    Drum surface refreshing   Description   Rotates the drum approximately 2 minutes with toner lightly on the overall drum using the   high voltage output control of the engine PWB  The cleaning 
77. aa  1 3 2   3  Printing a event log  EVENT LOG               iicet erret etes ide eoe added 1 3 13  1 4 Troubleshooting  1 4 1 Paper misfeed detection noiiire recte SNE e dnte deg 1 4 1   1  P  per misfeed indication    2  octo orti Ad einer cea 1 4 1   2  Paper misfeed detection condition enn eene eene nnns 1 4 1  Eelere 1 4 2   1  Self diagnostic function EE 1 4 2   2  Self E Ile ee EE 1 4 3  1 4 3 Image formation proble Ms ccoo os 1 4 21   1  No image appears  entirely White        oooooonnicncnnnnnccccnnnnooccoccnncnnnoncnnnnnnnoncnnn conan erne 1 4 22   2  No image appears  entirely black     emen emn e enne 1 4 23   3  A specific color is printed solid    1 4 23   4  The back side gets dirty  ceci 1 4 23   5  Image is too lig SE 1 4 24   6  The background 1s colored  oracion 1 4 24   7  White streaks are printed vertically                       ssseeeneenne emm mener 1 4 25   8  Black streaks are printed vertically  seen emere 1 4 25   9  Streaks are printed horizontally  nennen nennen nnne 1 4 25   10  Spots  are ptirited     2 1 i rere Hee e e e SU ecl one En e do EE 1 4 25   11  The leading edge of image begins to print too early or too late                     sssssssseseesss 1 4 26   12  Paper Is wrIDkled            O 1 4 26  RECH Bal dee TEE 1 4 26   14  Parto  Images mlssilig         oe Rete Er ee Ed 1 4 26   TS  IET or HE EE 1 4 27   16  Colors are printed offset to each other    1 4 27  154 4  Electric problems  iii di ida 1 4 28  1 4 5  Mechanical  Problems   
78. al      APC PWB K video data signal      Ground   APC PWB K control signal  Horizontal synchronization signal  Polygon motor YK clock signal  Polygon motor YK ready signal  Polygon motor YK  On Off  Ground   24 V DC power source       Connected  to the APC  PWB M   APCPWBC  and poly   gon motor  MC       ON OO    0 NN A    N NNa a m   m   m   m   m   m   m   n  HM A CO OO Joo bk oh A e CO        3 3V1  LONBMN  ENBMN  VDOMP  VDOMN  GND  VREFM  THERMM  PDMN   3 3V1  LONBCN  ENBCN  VDOCP  VDOCN  GND  VREFC  PDCN  POLCLKO  POLRDYNO  POLONNO  GND   24V3        OOO000       0 000000    Qi  O   gt           3 3 V DC  0 3 3 V DC  0 3 3 V DC  LVDS  LVDS  Analog  Analog  0 3 3 V DC  pulse   3 3 V DC  0 3 3 V DC  0 3 3 V DC  LVDS  LVDS    Analog   0 3 3 V DC  pulse   0 3 3 V DC  pulse   0 3 3 V DC   0 3 3 V DC    24 V DC       3 3 V DC power source   APC PWB M sample hold signal  APC PWB M laser enable signal  APC PWB M video data signal      APC PWB M video data signal      Ground   APC PWB M control signal   LSU thermistor detection voltage  Horizontal synchronization signal  3 3 V DC power source   APC PWB C sample hold signal  APC PWB C laser enable signal  APC PWB C video data signal      APC PWB C video data signal      Ground   APC PWB C control signal  Horizontal synchronization signal  Polygon motor MC clock signal  Polygon motor MC ready signal  Polygon motor MC  On Off  Ground   24 V DC power source       2 3 7    2HL 2HM 2HN    Connector    Signal    Voltage    Description  
79. am is less than 16  all of the   of the paper    paper jams are logged  When the   jam   a  Cause of a paper jam  occurrence excessed 16  the old   b  Paper source    est     d  Paper type           occurrence is removed   c  Paper size       e  Paper exit                 a  Cause of paper jam    10   10   10   10   10   10   11   12   20   21   22   30   30   30   31   32   40   40   41  42   50   51   52     AO   A1   A2   EO     FO     Paper does not arrive at the registration sensor   B   MP tray    Paper does not arrive at the registration sensor   1   Printer s cassette    Paper does not arrive at the registration sensor   1   Paper feeder 1    Paper does not arrive at the registration sensor   1   Paper feeder 2    Paper does not arrive at the registration sensor   1   Paper feeder 3    Paper does not arrive at the registration sensor   I   Duplex conveying    Paper does not pass the registration sensor   H    Paper remains at the registration sensor when power is turned on   H    Paper does not arrive at the paper exit sensor   H    Paper does not pass the paper exit sensor   G    Paper remains at the paper exit sensor when power is turned on   G    Paper does not arrive at the paper feeder 1 s PF paper feed sensor   2   Paper feeder 1   Paper does not arrive at the paper feeder 1 s PF paper feed sensor   3   Paper feeder 2   Paper does not arrive at the paper feeder 1 s PF paper feed sensor   3   Paper feeder 3   Paper does not pass the paper feeder 1 s PF paper sens
80. and duplex  clutch    OMAN OO    ON  gt        o    FEMOTRDYN  SPEEDSEL  FEMOTCLK  FEMOTREN  GND    24V3  MIDCLDRN   24V3  DUCLDRN   24V3    O OO    0 3 3 V DC   0 3 3 V DC   0 3 3 V DC  pulse   0 3 3 V DC   24 V DC   0 24 V DC   24 V DC   0 24 V DC   24 V DC    Paper feed motor ready signal   Paper feed motor speed switch signal  Paper feed motor clock signal   Paper feed motor  On Off   Ground   24 V DC power source   Intermediate clutch  On Off   24 V DC power source   Duplex clutch  On Off   24 V DC power source       Connected  to the paper  feed motor    STFEBN  STFEAN  STFEB  STFEA    0 24 V DC  pulse  0 24 V DC  pulse  0 24 V DC  pulse  0 24 V DC  pulse    Paper feed motor drive control signal   B   Paper feed motor drive control signal   A   Paper feed motor drive control signal  B   Paper feed motor drive control signal  A        YC5    Connected  to the left ID  sensor     5V1  LEDREFL  GND  VOPL  VOSL    00000000000    5V DC  Analog    Analog  Analog    5 V DC power source   Left ID sensor control signal  Ground   Left ID sensor detection signal  Left ID sensor detection signal       YC6    Connected  to the right  ID sensor     5V1  LEDREFR  GND  VOPR  VOSR    O O            5V DC  Analog    Analog  Analog    5 V DC power source   Right ID sensor control signal  Ground   Right ID sensor detection signal  Right ID sensor detection signal       YC7    Connected   to the regis   tration sen   sor    ON Ala P OU N  gt O 0o h   Alb Go MM A     3 3V2  GND  REGPAP    O 
81. anual or other serious brochure specifies a distance or gap for installation of a    part  always use the correct scale and measure carefully                           sssee Q    Always check that the copier is correctly connected to an outlet with a ground connection                e    Check that the power cable covering is free of damage  Check that the power plug is dust free  If it   is dirty  clean it to remove the risk of fire or electric shock       Q    Never attempt to disassemble the optical unit in machines using lasers  Leaking laser light may    damage eyes IS G    Handle the charger sections with care  They are charged to high potentials and may cause electric    shock if handled improperly                   sssssssssssssssseeeeneeeee enne ern nnen nene nennen nennen AN         4h CAUTION    Wear safe clothing  If wearing loose clothing or accessories such as ties  make sure they are   safely secured so they will not be caught in rotating sections                    ssesse AN    Use utmost caution when working on a powered machine  Keep away from chains and belts           A    Handle the fixing section with care to avoid burns as it can be extremely hot    A      Check that the fixing unit thermistor  heat and press rollers are clean  Dirt on them can cause    abnormally high temperatures  ranere aeni EA E EEEE EE AAAA EEA AEREE AAEE Q    Do not remove the ozone filter  if any  from the copier except for routine replacement                       O    D    D   
82. applied solvents to evaporate completely before refitting the covers or turning the power  Switch on     Always wash hands afterwards     D    Never dispose of toner or toner bottles in fire  Toner may cause sparks when exposed directly to    fire Na TUTE  Oia ee Ae Eege  ee ee S    Should smoke be seen coming from the copier  remove the power plug from the wall outlet imme  e    el    3 Miscellaneous      WARNING      Never attempt to heat the drum or expose it to any organic solvents such as alcohol  other than the    specified refiner  it may generate toxic gas     oooonnoccccinnnniccccnnncnnnnoncnnnonano nn enne eene nennen S    This page is intentionally left blank     2HL 2HM 2HN    CONTENTS    1 1 Specifications    1  1 1 Specifications    aee ette ende ER Ede edd e da ee ized eei 1 1 1  121 2  Parts  NAMES eph eter ce e deter Prep e ee ode a 1 1 7  MOROLIMCE      E               E 1 1 7  Eeleren EE 1 1 9  1 123  Machine cross sectio EE 1 1 10  1 2 Installation  1 2 1 Installation environment    EDEL edite eren ed 1 2 1  1 2 2  Unpacking    EE 1 2 2   A  PUNPacking WEE 1 2 2   2  REMOVING NET 1 2 4  1 2 3 Installing the expansion memory modules  option   1 2 5  1 2 4 Installing the memory card  option   1 2 6  1 2 5 Installing the hard disk  option for 26 28 ppm  500 sheet  model only     1 2 7  1 3 Maintenance Mode  1 371    Maintenance Mode ein ede diee tibiis 1 3 1   1  Executing a maintenance  e    nati een ra Ed eva ee cue san de ose e a ace 1 3 1   LESS MO ii A A
83. ase the bushings and gears  Check for  broken gears and replace if any   Refer to  the service manual for the paper feeder         Defective PF main  motor     Replace the PF main motor        Defective PF main  PWB     Replace the PF main PWB  Refer to the ser   vice manual for the paper feeder         Defective printer s  engine PWB     Replace the printer s engine PWB  Refer to  the service manual for the printer         Developing motor K error   The ready signal cannot be detected  within 5 seconds after the developing  motor K turns on     Defective harness  between develop   ing motor K and  engine PWB   YC26   or  improper connec   tor insertion     Reinsert the connector  Also check for conti   nuity within the connector harness  If none   remedy or replace the harness  Refer to the  service manual for the paper feeder         Defective drive  transmission  system of the  developing motor  K     Check if the gears rotate smoothly  If not   grease the bushings and gears  Check for  broken gears and replace if any        Improper installa   tion intermediate  transfer unit     Check the installation of the intermediate  transfer unit and reinstall them if necessary   See page 1 5 17         Defective develop   ing motor K     Replace the developing motor K        Defective engine  PWB     Replace the engine PWB  See page 1 5   30            Polygon motor YK error   The polygon motor YK ready input is not  given for 10 seconds during the polygon  motor YK is ON     Defe
84. aste toner to the waste toner box  The transfer roller unit consists of the secondary transfer roller  mounted to the paper conveying unit and the separation brush  To the secondary transfer roller  DC bias is applied from  the high voltage PWB  The toner image formed on the transfer belt is transferred to the paper by the potential difference  and the paper is separated by curvature separation                          qg    RT mg D nm  19 i FG LA 4 j  d LA A       Figure 2 1 16 Transfer separation section     1  Tension roller  8  Cleaning fur brush    2  Drive roller  9  Cleaning roller    3  Primary transfer roller M  10  Cleaning screw    4  Primary transfer roller C  11  Secondary transfer roller    5  Primary transfer roller Y  12  Paper chute    6  Primary transfer roller K  13  Separation needle    7  Transfer belt  14  Left ID sensor Right ID sensor    2 1 15    2HL 2HM 2HN    Transfer belt       Cleaning    roller  0    Cleaning bias output             High voltage PWB    CN1 21  CN1 8  CN1 7  CN1 6  CN1 5  CN1 4  CN1 3    Primary Primary    transfer transfer  roller M 9   roller C    Primary  transfer    roller Y          Primary transfer  bias output M          Primary transfer  bias output C             Primary transfer bias output Y       Primary transfer bias output K          Secondary transfer bias output      Secondary  Primary transfer roller  transfer  roller K                   2 1 16    T2RREMN       CLCNT       T1MCNT       T1CCNT       T1YCNT       T1K
85. blade in the drum unit scrapes   toner off the drum surface to clean it    Purpose   To clean the drum surface when image failure occurs due to the drum  This mode is effective   when dew condensation on the drum occurs    Method   1  Enter the service mode   gt  gt Drum     2  Press the OK key    gt  gt Drum   will be displayed    3  Press the OK key  Drum surface refreshing will start and finish after approximately 2  minutes    Completion          2HL 2HM 2HN     3  Printing a event log  EVENT LOG     Service items    Description       Printing an event log   EVENT LOG        Printing an event log  EVENT LOG   Description  Prints a history list of occurrences of paper jam  self diagnostics  toner replacements  etc   Purpose  To allow machine malfunction analysis based on the frequency of paper misfeeds  self diag   nostic errors and replacements   Procedure  1  Connect the USB or network cable between printer and PC  network    2  Connect the power cord     USB interfac  Network interface  e P             Figure 1 3 5    3  Turn printer power on  Make sure the printer is ready   4  Send the following PRESCRIBE command sequence from the PC to the printer        IR KCFG ELOG   EXIT              Note  To send a PRESCRIBE command sequence to the printer  use COMMAND  CENTER  the printer s embedded web  while the printer is connected to the PC via its  network interface     A sheet of event log will be printed     Completion       1 3 13    2HL 2HM 2HN 1    Service items Descri
86. by reverting the engine controller and the  drum unit to the old ones  To replace the  engine PWB and the drum unit at the same  time  turn on the printer after replacing either  one  Check that the printer operates prop   erly and then turn off the printer  Replace the  other and turn on the printer to check that  the printer operates properly  Be sure to  replace one by one        Main PWB   Operation panel PWB  communication error    Defective main  PWB     Turn the power switch off on to restart the  printer  If the error is not resolved  replace  main PWB  See page 1 5 29         Defective opera   tion panel PWB     Replace the operation panel PWB        Main PWB checksum error    Defective main  PWB     Turn the power switch off on to restart the  printer        In recovery mode  download the controller  firmware using a CompactFlash card    In recovery mode  only a CompactFlash  card is usable  not a USB memory        Replace main PWB  See page 1 5 29            Main memory or expanded memory  checksum error    Defective main  memory  RAM  on  the main PWB     Turn the power switch off on to restart the  printer  If the error is not resolved  replace  main PWB  See page 1 5 29            Defective expan   sion memory mod   ule        Replace the expansion memory module   See page 1 2 5         1 4 19    2HL 2HM 2HN 2    Contents    Remarks       Causes    Check procedures corrective measures       Main PWB general failure    Defective main  PWB     Turn the power switc
87. byte  Replacing item   01  Toner container    Second byte  Type of replacing  item    00  Black   01  Cyan   02  Magenta   03  Yellow    First byte  Replacing item   02  Maintenance kit    Second byte  Type of replacing  item   01  Fixed  MK 550 MK 560        Unknown Toner  Log    NOTE    It is not logged if  100 or more  counts are not  added to the  count at the last  error          Remembers 1 to 5 of  occurrence of unknown  toner detection     If the occurrence of the   previous unknown toner  detection is less than 5   all of the unknown toner  detection are logged     Count     The total page count at the  time of the  Toner Empty   error with using an  unknown toner container     Ite    Unknown toner log code  1  byte  2 categories     First byte  01  Fixed  Toner container     Second byte  00  Black  00  Cyan  00  Magenta  00  Yellow       Counter Log    Comprised of  three log  counters includ     ing paper jams   self diagnostics  errors  and  replacement of  the toner con   tainer     NOTE    Itis notlogged if  100 or more  counts are not  added to the  count at the last  error        1 3 18        f  Jam    Indicates the log counter  of paper jams depending  on location     Refer to Paper Jam Log   All instances including    those are not occurred  are displayed         g  Self diagnostic error    Indicates the log counter of  self diagnostics errors  depending on cause     See page 1 4 3     Example  C6000  4    Self diagnostics error  6000 has happened four  tim
88. ce the engine PWB  See page 1 5   30         Broken fuser thermistor wire   Input from fuser thermistor is 3 or less   A D value  continuously for 1 1 second   11 ms x 100 times      Defective harness  between fuser ther   mistor and paper  exit PWB  YC4   or  improper connec   tor insertion     Reinsert the connector  Also check for conti   nuity within the connector harness  If none   remedy or replace the harness        Defective harness  between paper exit  PWB  YC1  and  engine PWB   YC20   or  improper connec   tor insertion     Reinsert the connector  Also check for conti   nuity within the connector harness  If none   remedy or replace the harness        Broken fuser ther   mistor wire     Replace the fuser unit  See page 1 5 26         Fuser thermistor  installed incor   rectly     Replace the fuser unit  See page 1 5 26         Fuser thermal cut   out triggered     Replace the fuser unit  See page 1 5 26         Fuser heater lamp  installed incor   rectly     Replace the fuser unit  See page 1 5 26         Broken fuser  heater lamp wire     Replace the fuser unit  See page 1 5 26         Defective engine  PWB     Replace the engine PWB  See page 1 5   30         1 4 14       Zero cross signal error  The zero cross signal does not reach the  engine PWB for specified time     Defective harness  between power  source PWB   YC103  and  engine PWB   YC19   or  improper connec   tor insertion     Reinsert the connector  Also check for conti   nuity within the connector ha
89. conveys paper to the transfer separation section as paper feeding from the cassette or MP  tray  or as paper refeeding for duplex printing  Paper by feeding is conveyed by the middle roller to the position where the  registration sensor is turned on  and then sent to the transfer separation section by the front registration roller and rear  registration roller                       Figure 2 1 5 Paper conveying section     1  Feed pulley   2  Middle roller   3  Registration sensor   4  Actuator  registration sensor    5  Front registration roller       Rear registration roller                                               21 23 ppm  250 sheet  model  21 23 ppm  500 sheet  model    Engine PWB    YC26 10    YC7 3    YC4 1  YC4 2  YC4 3  YC4 4    Registration REGCLDRN  clutch  Registration REGPAP  sensor  STFEBN  STFEAN  Paper feed STFEB  motor  STFEA                            FEMOTRDYN   SPEEDSEL   Paper feed FECLKCLK  motor   REMOTREN   MIDCLDRN          26 28 ppm  500 sheet  model    YC3 1  YC3 2  YC3 3  YC3 4    YC3 7    Figure 2 1 6 Paper conveying section block diagram          2HL 2HM 2HN    2 1 5    2HL 2HM 2HN    2 1 2 Drum section     1  Drum section    The drum section consists of the drum  the main charger unit  and the cleaning unit  and the drum surface is uniformly  charged in preparation for formation of residual image by laser beam  After transfer is complete  toner remaining on the  drum surface is chipped off with the cleaning blade and is collected to the was
90. cted  to the  duplex  motor       2 3 4       STDUBN  STDUAN  STDUB  STDUA       OOoOoOo0oOoOoOoOoOoOoOoOoOoOoOoOoOoOoOoOoOoOoOoOoOo OO O       0 24 V DC  pulse  0 24 V DC  pulse  0 24 V DC  pulse  0 24 V DC  pulse       Duplex motor drive control signal   B   Duplex motor drive control signal   A   Duplex motor drive control signal  B   Duplex motor drive control signal  A        Connector    Signal    6    Voltage    2HL 2HM 2HN    Description       YC18    Connected  to the drum  motor M C   YIK    ON OO   0 M        STMBN  STMAN  STMB  STMA  STCBN  STCAN  STCB  STCA  STYBN  STYAN  STYB  STYA  STKBN  STKAN  STKB  STKA    0 24 V DC  pulse  0 24 V DC  pulse  0 24 V DC  pulse  0 24 V DC  pulse  0 24 V DC  pulse  0 24 V DC  pulse  0 24 V DC  pulse  0 24 V DC  pulse  0 24 V DC  pulse  0 24 V DC  pulse  0 24 V DC  pulse  0 24 V DC  pulse  0 24 V DC  pulse  0 24 V DC  pulse  0 24 V DC  pulse  0 24 V DC  pulse                                                      Drum motor M drive control signal   B   Drum motor M drive control signal   A   Drum motor M drive control signal  B   Drum motor M drive control signal  A   Drum motor C drive control signal   B   Drum motor C drive control signal   A   Drum motor C drive control signal  B   Drum motor C drive control signal  A   Drum motor Y drive control signal   B   Drum motor Y drive control signal   A   Drum motor Y drive control signal  B   Drum motor Y drive control signal  A   Drum motor K drive control signal   B   Drum motor K d
91. ctive harness  between polygon  motor YK and  engine PWB   YC29   or  improper connec   tor insertion     Reinsert the connector  Also check for conti   nuity within the connector harness  If none   remedy or replace the harness        Defective laser  scanner unit YK     Replace the laser scanner unit YK  See  page 1 5 38            Defective engine  PWB        Replace the engine PWB  See page 1 5   30         1 4 9    2HL 2HM 2HN 1    Contents    Remarks       Causes    Check procedures corrective measures       Polygon motor MC error   The polygon motor MC ready input is not  given for 10 seconds during the polygon  motor MC is ON     Defective harness  between polygon  motor MC and  engine PWB   YC30   or  improper connec   tor insertion     Reinsert the connector  Also check for conti   nuity within the connector harness  If none   remedy or replace the harness        Defective laser  scanner unit MC     Replace the laser scanner unit MC  See  page 1 5 38         Defective engine  PWB     Replace the engine PWB  See page 1 5   30         Laser output error  Black    The pin photo signal  PDN  is not output  from PD PWB K for one second while  laser is emitted     Defective harness  between APC  PWB K and engine  PWB  YC29   or  improper connec   tor insertion     Reinsert the connector  Also check for conti   nuity within the connector harness  If none   remedy or replace the harness        Defective APC  PWB K     Replace the laser scanner unit YK  See  page 1 5 38     
92. d correctly in the cassette     Set the paper correctly        Check if the retard roller is worn     Replace the retard roller pulley if it is worn        Check if the separator pad or MPF separation  pad  duplex model only  is worn     Replace the separator pad if it is worn  See  page 1 5 10          5 Paper jams     Check if the paper is excessively curled     Replace the paper        Check if the contact between the front and  rear registration rollers is correct     Check visually and remedy if necessary        Check if the heat roller or press roller is  extremely dirty or deformed     Replace the fuser unit  See page 1 5 26          6 Toner drops on the  paper conveying path     Check if the drum unit or developing unit is  extremely dirty     Clean the drum unit or developing unit         7 Abnormal noise is  heard     Check if the pulleys  rollers and gears operate  smoothly     Grease the bearings and gears           Check if the following electromagnetic  clutches are installed correctly        Check visually and remedy if necessary        1 4 31    2HL 2HM 2HN    This page is intentionally left blank     1 4 32    2HL 2HM 2HN    1 5 1 Precautions for assembly and disassembly     1  Precautions    Be sure to turn the power switch off and disconnect the power plug before starting disassembly    When handling PWBs  do not touch connectors with bare hands or damage the PWB    Use only the specified parts to replace the fuser unit thermostat  Never substitute electric
93. de   gt  gt Print Network Status Pagel   2  Press the OK key    gt  gt Print Network Status Page   will be displayed   3  Press the OK key  Three sheets of network status page will be printed   Completion        gt  gt Print  Test Page     gt  gt Print Network  Status Page    1 3 8       Printing a test page  Description  Four colors are printed respectively with halftones of three different levels   Purpose  To check the activation of the developer and drum units of four colors   Procedure  1  Enter the service mode   gt  gt Print Test Page    2  Press the OK key    gt  gt Print Test Page   will be displayed   3  Press the OK key  A sheet of test page will be printed   Completion    16 256  Density      24 256  32 256    m  Magenta        Green      Yellow            1  Since focusing in yellow is hardly readable  yellow is mixed with cyan for more readability   resulting in green     2  Each portion of colors has three different magnitude of halftones  bands   If focus is  excessively lost  dots are not recognizable with the 16 256 band  resulting in uneven  density  It also results in vertical streaks in the 24 256 and or 32 256 bands     Figure 1 3 3 Test page       Service items    2HL 2HM 2HN 1    Description        gt  gt Write Data       Write data  USB memory data write   Description  To write data into a USB memory   Procedure  Install the USB memory before attempting to write data   1  Enter the service mode   gt  gt Write Data    2  Press the OK key    2 Write Dat
94. developing section     Clean any part contaminated with toner in the developing sec   tion           Poor contact of grounding terminal of  drum unit      10  Spots are printed     Print example    Causes       Check the installation of the drum unit  If it operates incor   rectly  replace it  See page 1 5 15         Check procedures corrective measures                Dirty or flawed drum     Perform the drum surface refreshing  See page 1 3 12    Flawed drum  Replace the drum unit  See page 1 5 15         Deformed or worn cleaning blade in  the drum unit     Replace the drum unit  See page 1 5 15         Flawed developing roller     Replace the developing unit  See page 1 5 13            Dirty heat roller and press roller        Clean the heat roller and press roller        1 4 25    2HL 2HM 2HN     11  The leading edge of image begins to print too early or too late     Print example    Causes    Check procedures corrective measures                4          Paper feed clutch or registration  clutch operating incorrectly      12  Paper is wrinkled     Print example    Causes       Check the installation of the clutch  If it operates incorrectly   replace it        Check procedures corrective measures             4          Paper curled     Check the paper storage conditions  replace the paper           Paper damp      13  Offset occurs     Print example    Causes       Check the paper storage conditions  replace the paper        Check procedures corrective measures          
95. e   Not used       2 3 13    2HL 2HM 2HN    2 3 4 Paper exit PWB    Connector    3  5       Signal          Voltage    PH1                Description       YC1  Connected  to the  engine  PWB     OMAN OO PS ON A          3 3V2  FTHERM  PDIRN  EXITPAP  GND   FDFUL  FEEDOPN  FUFANDRN   24V1  DUREVDRN    3 3 V DC  Analog   0 3 3 V DC  0 3 3 V DC  0 3 3 V DC  0 3 3 V DC  0 12 24 V DC  24 V DC   0 24 V DC    3 3 V DC power source   Fuser thermistor detection voltage   Envelope switch  On Off   Paper exit sensor  On Off   Ground   Paper full sensor  On Off   Front cover open close switch  On Off   Fuser fan motor 1  Full speed Half speed Off  24 V DC power source   Duplex solenoid  On Off       Connected  to the fuser  fan motor 1     gt lo     24V1  FUFANDRN    24 V DC  0 12 24 V DC    24 V DC power source  Fuser fan motor 1  Full speed Half speed Off       YC3  Connected  to the  duplex sole   noid       2 3 14        24V1  DUREVDRN          24 V DC  0 24 V DC       24 V DC power source  Duplex solenoid  On Off       Connector    Signal    Voltage    2HL 2HM 2HN    Description       YC4  Connected  to the fuser  thermistor     3 3V1  FTHERM    3 3 V DC  Analog    3 3 V DC power source  Fuser thermistor detection voltage       YC5  Connected  to the front  cover open   close switch    FEEDOPN  GND    0 3 3 V DC    Front cover open close switch  On Off  Ground       YC6  Connected  to the enve   lope switch                0 3 3 V DC  3 3 V DC          Ground  Envelope switch  On Of
96. e detected  within 5 seconds after the developing  motor MCY turns on     Defective harness  between develop   ing motor MCY and  engine PWB   YC27   or  improper connec   tor insertion     Reinsert the connector  Also check for conti   nuity within the connector harness  If none   remedy or replace the harness        Defective drive  transmission  system of the  developing motor  MCY     Check if the gears rotate smoothly  If not   grease the bushings and gears  Check for  broken gears and replace if any        Defective develop   ing motor MCY     Replace the developing motor MCY        Defective engine  PWB     Replace the engine PWB  See page 1 5   30         Main charger cleaning motor error  When the main charger cleaning motor  is driven  the main charger cleaning  motor over current detection signal is  detected continuously for 50 times  5 s   at 100 ms intervals     Defective harness  between main  charger cleaning  motor and engine  PWB  YC36   or  improper connec   tor insertion     Reinsert the connector  Also check for conti   nuity within the connector harness  If none   remedy or replace the harness        Defective drive  transmission sys   tem of the main  charger cleaning  motor     Check if the rollers and gears rotate  smoothly  If not  grease the bushings and  gears  Check for broken gears and replace if  any        Defective main  charger cleaning  motor     Replace the main charger cleaning motor        Defective engine  PWB     Replace the engine PWB 
97. e manual for the paper feeder         Defective PF lift  limit sensor     Replace the PF main PWB  Refer to the ser   vice manual for the paper feeder         Defective PF cas   sette size switch     Replace the PF cassette size switch  Refer  to the service manual for the paper feeder         Defective PF main  PWB     Replace the PF main PWB  Refer to the ser   vice manual for the paper feeder            Defective engine  PWB        Replace the engine PWB  See page 1 5   30         Contents    2HL 2HM 2HN    Remarks       Causes    Check procedures corrective measures       PF warm air heater  upper blower   high temperature error      Option paper feeder     A temperature higher than 85 C 185 F  is detected        Multi purpose feeder only  1500  Paper feeder 1  1520  Paper feeder 2  1540  Paper feeder 3    The inlet of upper  blower assembly is  blocked by paper  pieces or the like     Check visually and remove it  if any  Refer  to the service manual for the paper feeder         Defective harness  between PF warm  air fan motor 2 and  PF main PWB   YC11   or  improper connec   tor insertion     Reinsert the connector  Also check for conti   nuity within the connector harness  If none   remedy or replace the harness   Refer to the  service manual for the paper feeder         Shorted PF ther   mistor 2     Replace the PF thermistor 2  Refer to the  service manual for the paper feeder         Defective PF warm  air fan motor 2     Replace the PF warm air fan motor 2  Refer 
98. e signal  On Off  24 V DC power source  Ground   Ground   Ground   Ground   24 V DC power source   24 V DC power source   24 V DC power source   24 V DC power source       2 3 1    2HL 2HM 2HN    2 3 2 Engine PWB                                              2 10  O 3 30000    YC12 2 YC32  00000  ooo  Ne  900000    0000 1 2 a 1999    ecco  CES  W  I Dee 14 vco    3 moe  o  1  oo  2    2200000000000  2 22  2199999999999    mST SE 00000000000  YC29 00000000000  21  lt   YC41 o  E  o  sj 0000000 Ju O   lt   CH  RH  wo   lt   o     e   o z    SW ai   Oo  lt  OO  o 90  ole oo  E OO  FI OO  o JO S  o 5 OO    OO  ds x OO  99 9 OO  EM ER  E OO  ER    OO  ER 9 OO  ls OO  OO  OO  OO  OO  w  88             2 3 2             SEA              o  o9  o  o  o  o  o  o  o9  SE  39  ae  Oo co  o  o  o  o  o  o  o  Da  o  HS 0000  0000                 3YC41 YC39YW 13 YC26  IO TE l5 YC18 YC27 YC37YC3613 YC34 1  Leo BLS ek 0000011 00000     7  Coco RE RE ro ooo om 0000000  4 2 WS SS 9 911 216 00000000 dieses  p eo  oo  Lee 2  YC42  ooff oo ooo 22 YC17 1    o  6 2BE1 2   lt  YC403r76  11  O   99000000000  Og  O14    O    Pi YC25 YC24BEYC11 YC38  o  Leo    SE M se  oe M ES  A2 1 2 4 2 o0 19 OO 12100 1 oo            YC22 YC23 3YC152     ES  so  oo Diss   YC28  BK YW 4 1         YC19  1 0000000000000  n             Figure 2 3 2 Engine PWB silk screen diagram    Connector    Signal    6    Voltage    2HL 2HM 2HN    Description       YC3    Connected  to the paper  feed motor   intermedi   ate clutch  
99. e to A4 or Letter size        Coverage of the latest  print out    FRPO settings    Black Cyan Magenta Yellow          a  B   4   5  D  B  Q9    Machine number                1 3 3    2HL 2HM 2HN 1    Service items Description       Service status page  2        Service Status Page    Printer    Firmware Version 2HN 3000 000 040 2009 01 27  XXXXXXXX   XXXXXXXX   XXXXXXXX   XXXXXXXX     Engine Information       NVRAM Version XXXXXXXXXXX    MAC Address 00 00 00 00 00 00    1 2 6362  Ge 100 100  1 5   63  0 0 0 0 0 0 0   68 0 0 0 0 0 0 0   29 0 0 0 0 0 0 0 0    G   0000000 0000000 0000000 0000000 0000000 0000000 0000000 0000000   0000000 0000000 0000000 0000000 0000000 0000000 0000000 0000000 0000000 0000000   F00 U00 0 0 0 0 30 30 70 70 00 00 ABCDE  616263626960676869606 6263   43 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000   0000 0000 0000 0000 0000 0000 0000 0000 0000 0000    43  0203040508090A0B0C0DO0F101112131415161718191A1B1C1D1E1F202122235E   48  0000 0100 0500 1000 0000 0100 0500 1000 0000 0100 0500 1000 0000 0100 0500 1000   0000 0100 0500 1000 0000 0100 0500 1000 0000 0100 0500 1000 0000 0100 0500 1000    42  000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000   000000000000000000000000000000000000000000000000   0000000000000000000000000000000000000000 0000000000  43 49   69 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000   0000000000000000 0000000000000000 
100. ed  The specific action required is shown inside the symbol     General action required     Remove the power plug from the wall outlet     Gage    Always ground the copier     1 Installation Precautions    S   WARNING      Do not use a power supply with a voltage other than that specified  Avoid multiple connections to  one outlet  they may cause fire or electric shock  When using an extension cable  always check  that it is adequate for the rated current  scenens reen      Connect the ground wire to a suitable grounding point  Not grounding the copier may cause fire or  electric shock  Connecting the earth wire to an object not approved for the purpose may cause  explosion or electric shock  Never connect the ground cable to any of the following  gas pipes   lightning rods  ground cables for telephone lines and water pipes or faucets not approved by the  proper e    A   CAUTION     Do not place the copier on an infirm or angled surface  the copier may tip over  causing injury          S    Do not install the copier in a humid or dusty place  This may cause fire or electric shock                   O      Do not install the copier near a radiator  heater  other heat source or near flammable material     This may CAUSE TII aeter dod iovis eno nar ee S      Allow sufficient space around the copier to allow the ventilation grills to keep the machine as cool  as possible  Insufficient ventilation may cause heat buildup and poor copying performance              S      Always handle
101. ed unit that feeds paper from the cassette and the MP tray paper  feed unit that feeds paper from the MP tray  and the paper conveying section that conveys the fed paper to the transfer     separation section      1  Cassette paper feed section    The cassette can contain 500 250 sheets  The sheet from the cassette is pulled out by rotation of the pickup roller and  sent to the paper conveying section by rotation of the paper feed roller  Also the retard roller prevents multiple feeding of    paper     21 23 ppm  500 sheet  model  26 28 ppm  500 sheet  model                         ots                         21 23 ppm  250 sheet  model                                                                         Ls                 1    2    3    4    5    6    7     Figure 2 1 1 Cassette paper feed section    Pickup roller  8   Paper feed roller  9   Paper feed holder  10   Retard roller  11   Retard holder  12   Cassette base  13   Bottom plate    Lift work plate   Paper sensor 1   Paper sensor 2   Actuator  paper sensor 1  2   Lift limit sensor   Actuator  lift limit sensor     2 1 1    2HL 2HM 2HN    21 23 ppm  500 sheet  model  26 28 ppm  500 sheet  model        FEDCLDRN       Paper feed                          Engine PWB    YC26 12  Lift limit sensor Paper sensor 1    Paper sensor 2    YC28 1       YC4 1  YC4 2  YC4 3  YC4 4    clutch  LMOTDRN    STFEBN  STFEAN  i Paper feed motor STFEB    STFEA       21 23 ppm  500 sheet  model    FEMOTRDYN       SPEEDSEL       Paper feed m
102. einsert the connector  Also check for conti   nuity within the connector harness  If none   remedy or replace the harness        Defective harness  between drum  relay PWB  YC1   and engine PWB   YC34   or  improper connec   tor insertion     Reinsert the connector  Also check for conti   nuity within the connector harness  If none   remedy or replace the harness        Defective eraser  lamp C     Replace the drum unit C  See page 1 5 15         Defective engine  PWB     Replace the engine PWB  See page 1 5   30         1 4 12       Broken eraser lamp M wire   When the eraser lamp M is driven  the  eraser lamp M over current detection  signal is detected continuously for 10  times  1 s  at 100 ms intervals     Defective harness  between drum unit  M and drum relay  PWB  YC11   YC12   or improper  connector inser   tion     Reinsert the connector  Also check for conti   nuity within the connector harness  If none   remedy or replace the harness        Defective harness  between drum  relay PWB  YC1   and engine PWB   YC34   or  improper connec   tor insertion     Reinsert the connector  Also check for conti   nuity within the connector harness  If none   remedy or replace the harness        Defective eraser  lamp M     Replace the drum unit M  See page 1 5 15            Defective engine  PWB        Replace the engine PWB  See page 1 5   30         Contents    2HL 2HM 2HN 1    Remarks       Causes    Check procedures corrective measures       Broken eraser lamp Y wire   When t
103. ep  35 seconds or less    Power on  36 seconds or less   Sleep  within 3 hours   30 seconds or less   Cassette  500 sheets  80 g m     MP tray  150 sheets  80 g m     Top tray  250 sheets  80 g m     OPC drum  diameter 30 mm    Semiconductor laser  1 beam    Scorotoron plus charging   Dual component interactive touch down developing system  Toner replenishing  Automatic from the toner container  Primary transfer  Elasticity intermediate transfer belt  DC bias   Secondary transfer  Transfer roller  DC bias    Small diameter separation  discharger brush   Heat fusing with a heat roller and a pressure roller  Exposure by eraser lamp  LED    Drum  Counter blade   PowerPC440 667 MHz   Standard  256 MB   Maximum  1280 MB    1 1 1    2HL 2HM 2HN    Resolution                           esses 600 dpi  Operating systems                            Microsoft Windows 2000 XP Vista  Windows Server 2003  Apple Macintosh OS X  Interface         etre USB  Hi Speed USB  Network  10 BASE T 100 BASE TX  KUIO LV slot  Option  Hard disk  Memory card slot                              1  CompactFlash  4 GB or less   Mardi us 4 mm  left  right  top and bottom   Operation environment                     Temperature  10 to 32 5  C 50 to 90 5  F    Relative humidity  15 to 8096  Altitude 2 500 m  8 202 feet  maximum  Illumination 1 500 lux maximum    Dimensions  W x D x H                   345 x 518 x 480 mm  13 5 8 x 20 2 5 x 18 9 10   Weight usus oreet Approx  29 5 kg  65 Ibs   Power source  120 V  60
104. er feed roller    XA Y                   MP paper feed roller       Figure 1 5 13    1 5 12    1 5 4 Developing section     1  Detaching and refitting the developing unit    Procedure    1     Remove the intermediate transfer unit  See  page 1 5 17     Remove the drum unit  M C Y K   See page  1 5 15     Pinch the lever of developing unit    Remove the developing unit  M C  Y K            2HL 2HM 2HN    Developing unit C    Developing unit Y  d NI CG 0  Sos  Cl LAS   A      PS                Figure 1 5 14    1 5 13    2HL 2HM 2HN    5  Check or replace the developing unit and  refit all the removed parts     NOTE   Remove the cap before installing the new  developing unit     When reinstalling the developing unit  press  it down until the lever of developing unit is  engaged with the notch    If it is difficult to engage the lever  press the  unit down while rotating the gear to engage  it     Developing unit                Figure 1 5 15    1 5 14    1 5 5 Drum section     1  Detaching and refitting the drum unit    Procedure  1  Remove the intermediate transfer unit  See  page 1 5 17      2  Remove the drum unit  M C Y K    3  Check or replace the drum unit and refit all  the removed parts              Figure 1 5 16    2HL 2HM 2HN    1 5 15    2HL 2HM 2HN     2  Detaching and refitting the main charger unit    Procedure  1  Open the left cover   2  Remove the main charger unit  M C  Y  K    3  Check or replace the main charger unit and  refit all the removed parts           
105. es         h  Maintenance item replacing    Indicates the log counter  depending on the maintenance  item for maintenance     T  Toner container  00  Black   00  Cyan   00  Magenta   00  Yellow    M  Maintenance kit  00   Fixed     Example  TOO  1    The  black  toner container has  been replaced once    This is virtually logged as the  occurrence of the  Toner Empty  or  Install MK  condition              2HL 2HM 2HN    Paper misfeed detection    1 4 1     1  Paper misfeed indication    If the paper jammed in the paper transport system  or no paper sheets were fed at all  the  Paper jam    message appears  and the location of the paper jam  the component where the paper jam has occurred  is also indicated  The printer auto     matically goes off line when this message is displayed  Remove jammed paper  After removing jammed paper  the printer    will re start printing     E  oO  m H   oO  HD  og  Q H     H  A Du    Paper jam message    Data HS    Paper jam location    Attention         Figure 1 4 1     2  Paper misfeed detection condition    26 28 ppm  500 sheet  model    21 23 ppm  500     sheet  model    21 23 ppm  250     sheet  model                                    Paper full sensor    O Registration sensor     5  PF paper feed sensor     2  Paper exit sensor     3  Duplex conveying sensor    Figure 1 4 2    1 4 1    2HL 2HM 2HN    1 4 2 Self diagnostic function     1  Self diagnostic function    This printer is equipped with self diagnostic function  When a problem i
106. f  3 3 V DC power source    2 3 15    2HL 2HM 2HN    This page is intentionally left blank     2 3 16    2HL 2HM 2HN    2 4 1 Appendixes                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          1  Wiring diagram  PA EATUR T T te nr    Fa  i z T  S Pa P
107. fter full wave rectification of AC power source input  switching for  converting to 24 V DC for output  Controls the fuser heater lamp    4  High voltage DW    Generates main charging  developing bias  transfer bias and cleaning  bias    5  Operation panel DW    Controls the LCD display  Consists the LCD display  LED indicators and  key switches    6  Paper exit DW    Interconnects the engine PWB and the electrical parts  paper exit sec   tion         7  Drumrelay PWB  Interconnects the engine PWB and the drum units developing units   8  APC PWB Minami sti Generates and controls the laser beam   magenta    9     APC  PWB un need Generates and controls the laser beam   cyan    10  APC PWB    ET Generates and controls the laser beam   yellow    11  APC  PWB K corto tpe Generates and controls the laser beam   black    12  PD PWB M A Controls horizontal synchronizing timing of laser beam   magenta   19  PD  EE Controls horizontal synchronizing timing of laser beam   cyan    14  PD PWB Y              seeeeseeereennee rennen Controls horizontal synchronizing timing of laser beam   yellow     2 2 1    2HL 2HM 2HN    15  PD PWBK inicia eerte tr Controls horizontal synchronizing timing of laser beam   black    16  Drum PWB M                  eee Relays wirings from electrical components on the drum unit M  Drum indi   vidual information in EEPROM storage    17   Drum PWB C           eire Relays wirings from electrical components on the drum unit C  Drum indi   vidual information in EE
108. h off on to restart the  printer  If the error is not resolved  replace  main PWB  See page 1 5 29         Main PWB   Engine PWB communica   tion error    Faulty connection  of the connector  between the main  PWB and engine  PWB     Check the installation of the main PWB and  engine PWB and reinstall them if necessary   See page 1 5 29 and 1 5 30         Defective main  PWB     Turn the power switch off on to restart the  printer  If the error is not resolved  replace  main PWB  See page 1 5 29         Defective engine  PWB     Replace engine PWB  See page 1 5 30         Engine PWB ROM checksum error    Some error may  have occurred  when downloading  the firmware of the  engine PWB     Download the firmware of the engine PWB  again using the memory card  See page 1   6 4         Defective engine  PWB     Turn the power switch off on to restart the  printer  If the error is not resolved  replace  engine PWB  See page 1 5 30         1 4 20       Main PWB video data control error       Defective main  PWB        Turn the power switch off on to restart the  printer  If the error is not resolved  replace  main PWB  See page 1 5 29         1 4 3 Image formation problems     1 No image appears   2 No image appears     entirely white    entirely black                  See page 1 4 22 See page 1 4 23     6 The background is  7 White streaks are    colored  printed vertically                             See page 1 4 24 See page 1 4 25     11 The leading edge   12 Paper is wrinkled   
109. he MENU key        Report Print  gt        2  Press the up down arrow key several times  until  Adjust Maintenance  gt   is displayed           Adjust   gt   gt Restart  Maintenance Printer       3  Press the right arrow key  4  Press the up down arrow key several times  until   gt Service  gt   is displayed         gt Service  gt        5  Press the right arrow key           Service mode items                 gt  gt Print         jo To print a status page for service purpose   Status Page  See page 1 3 2    gt  gt Print Network          rer To print a network status page     Status Page     See page 1 3 8                  gt  gt Print          4 jesse acces To print a test page   Test Page     See page 1 3 8           To scroll these items   press the up down  arrow key repeatedly      gt  gt Write Data       gt  To write data into a USB memory      See page 1 3 9         gt  gt Maintenance                   To reset the counter after replacing the maintenance kit    See page 1 3 9      gt  gt DEV SET 000     ee To enter the initial value  6 digit data  after replacing  the developing unit      See page 1 3 10        gt  gt DEV CIN                ECOLE To perform developing unit refreshing    See page 1 3 11                     gt  gt LSU Charger         4           To perform LSU dust shield glass and main charger cleaning    See page 1 3 11            Drum         sd enaa To perform drum surface refreshing      See page 1 3 12           1 3 1    2HL 2HM 2HN 1   2  Service 
110. he connector  Also check for conti   nuity within the connector harness  If none   remedy or replace the harness  Refer to the  service manual for the paper feeder         Defective harness  between PF ther   mistor 2 and PF  main PWB  YC12    or improper con   nector insertion     Reinsert the connector  Also check for conti   nuity within the connector harness  If none   remedy or replace the harness   Refer to the  service manual for the paper feeder         PF thermistor 1  installed incor   rectly     Check the installation of the PF thermistor 1  and remedy if necessary  Refer to the ser   vice manual for the paper feeder         Defective PF ther   mistor 1     Replace the PF thermistor 1  Refer to the  service manual for the paper feeder         PF thermostat 1  triggered     Replace the PF thermostat 1  Refer to the  service manual for the paper feeder         Broken PF warm  air heater 1     Replace the PF warm air heater 1  Refer to  the service manual for the paper feeder         Defective PF warm  air heater driver  PWB     Replace the PF warm air driver PWB  Refer  to the service manual for the paper feeder         Defective PF main  PWB     Replace the PF main PWB  Refer to the ser   vice manual for the paper feeder            Defective engine  PWB        Replace the engine PWB  See page 1 5   30         1 4 7    2HL 2HM 2HN 1    Contents    Remarks       Causes    Check procedures corrective measures       Developing motor MCY error   The ready signal cannot b
111. he eraser lamp Y is driven  the  eraser lamp Y over current detection sig   nal is detected continuously for 10 times   1 s  at 100 ms intervals     Defective harness  between drum unit  Y and drum relay  PWB  YCS YC6    or improper con   nector insertion     Reinsert the connector  Also check for conti   nuity within the connector harness  If none   remedy or replace the harness        Defective harness  between drum  relay PWB  YC1   and engine PWB   YC34   or  improper connec   tor insertion     Reinsert the connector  Also check for conti   nuity within the connector harness  If none   remedy or replace the harness        Defective eraser  lamp Y     Replace the drum unit Y  See page 1 5 15         Defective engine  PWB     Replace the engine PWB  See page 1 5   30            Broken fuser heater lamp wire   The detected fuser thermistor tempera   ture does not rise 1 C 1 8 F after the  fuser heater lamp has been turned on  continuously for 10 seconds in warming  up    The fuser temperature does not reach  100  C 212  F after the fuser heater lamp  has been turned on continuously for 40  seconds in warming up    The detected temperature of fuser ther   mistor does not reach the specified tem   perature  ready indication temperature   after fuser heater lamp has been turned  on continuously for 90 seconds in warm   ing up    The detected temperature of fuser ther   mistor 2 does not rise 1 C 1 8 F after  fuser heater lamp has been turned on  continuously for 10 seconds duri
112. hin the connector harness  If none   remedy or replace the harness        Defective drive  transmission  system of the toner  motor Y     Check if the gears rotate smoothly  If not   grease the bushings and gears  Check for  broken gears and replace if any        Defective toner  motor Y     Replace the toner motor Y        Defective engine  PWB     Replace the engine PWB  See page 1 5   30         Developing unit K non installing error  No density detection signal is output  from toner sensor K in developing unit K     Faulty connection  of the connector  between the devel   oping PWB K and  drum relay PWB     Check the installation of the developing unit  K and drum relay PWB and reinstall them if  necessary  See page 1 5 13         Defective harness  between drum  relay PWB  YC1   and engine PWB   YC34   or  improper connec   tor insertion     Reinsert the connector  Also check for conti   nuity within the connector harness  If none   remedy or replace the harness        Defective toner  sensor K     Replace the developing unit K  See page 1   5 13         Defective engine  PWB     Replace the engine PWB  See page 1 5   30         1 4 16       Developing unit C non installing error  No density detection signal is output  from toner sensor C in developing unit C     Faulty connection  of the connector  between the devel   oping PWB C and  drum relay PWB     Check the installation of the developing unit  C and drum relay PWB and reinstall them if  necessary  See page 1 5 13 
113. hrough the right side window    The above will reveal that the toner container is a genuine Kyocera Mita branded toner container  otherwise  it is a coun   terfeit     See through the left window See through the right window       marking   Gc marking         Validation viewer Validation viewer         a Neve side             WESS DEA  ERAN  PERA KEEN   SES CERCANA NES CERCANA               Brand So Brand   protection E ZC protection   seal seal  A black colored band when A shiny or gold colored band when  seen through the left side window seen through the right side window    Figure 1 5 1    The brand protection seal has an incision as shown below to prohibit reuse     Incision    DL cia p  CE ra    4 kuoceral  KID W KYOCE    Cut        Figure 1 5 2    1 5 2    2HL 2HM 2HN 1  1 5 2 Outer covers     1  Detaching and refitting the left rear cover  left upper cover and left front cover    Procedure  1  Open the left cover   2  Remove the waste toner box   3  Remove two screws         Left cover       Waste toner box       Figure 1 5 3    1 5 3    2HL 2HM 2HN    4  Open the top cover   5  Release the five hooks and then remove the  left rear cover           Top cover                   Left rear cover    26 28 ppm  500 sheet  model  21 23 ppm  500 sheet  model                      Left rear cover    21 23 ppm  250 sheet  model    Dese    Sunne     Sanne       Sunne     Figure 1 5 4    1 5 4    2HL 2HM 2HN       Front cover    26 28 ppm  500 sheet  model    Left front cover       
114. igi donnes dean 2 1 15  210 TE f  c                    eden 2 1 17  2 1 7  Paper exit feed shift SC 2 1 19  2 1 8  Duplex conveying section                 2 2 reiecit eene eee 2 1 21    2 2 Electrical Parts Layout    2 223  Electrical  parts  layOUt 2  id eo peut etium enituit inus se Ems ei den 2 2 1  Dim  sc  ices cL  CM 2 2 1     PAESI VE WEE 2 2 3  Eet 2 2 5  4  Other electrical COMPONEN  ui eee A e E pee 2 2 7    p    2 3 Operation of the PWBs    2 9 1  Power so  rce BN oie tec ce Hire e e tee e dae De ie t d le t Be o td es E P Ee E ee 2 3 1  2 3 2  Engine PWB     EA 2 3 2  23 37 Drum relay P WB  Rp 2 3 11    2 3 4  Paper exit  EE 2 3 14    2HL 2HM 2HN    2 4 Appendixes  2 4 1 Appendixes    EE EE 2 4 1   1Wiring diag LE EEN 2 4 1  2   Repetitive defects gage EEN 2 4 3    p gaug     3  Maintenance parts list    2HL 2HM 2HN    This page is intentionally left blank     1 1 1 Specifications  26 28 ppm  500 sheet  model    Printing method                                 Paper weight       Paper types        Paper sizes                ne    Printing speeds                                    Duplex printing speed                          First print out time                                Warm up time  23XC  6096RH          Paper feed source capacity                 Output tray capacity                           Photoconductor                                 Printing method                                 Charging system                                Developing system       
115. ing path which sends the paper sent from the eject section to the paper  feed conveying section when duplex printing                                                        i  Lo e  e                                                                7      I               Figure 2 1 22 Duplex conveying section     1  Duplex roller 1  7  Duplex feed roller    2  Paper exit pulley  8  Duplex pulley    3  Duplex roller 2  9  Duplex feed guide    4  Duplex pulley  10  Duplex conveying sensor   5  Duplex roller 3  11  Actuator    6  Duplex pulley  duplex conveying sensor     2 1 21    2HL 2HM 2HN         Paper exit PWB    Engnie PWB             DUREVDRN       Duplex  solenoid    DUREVDRN    YC3 2 YC1 10 YC20 10          STDUBN   vc47 4  STDUAN   vc47 2                Duplex motor STDUB YCA7 3  STDUA YC17 4  Duplex  conveying EE YC21 3  sensor  DUCLDRN       YC3 9      BE             H          Figure 2 1 23 Duplex paper conveying section block diagram    2 1 22    2HL 2HM 2HN    2 2 1 Electrical parts layout     1  PWBs          RN               E SR DES                        Machine left     277  Machine inside    A SER prol ec peru S Machine right                Figure 2 2 1 PWBs    Te  Mal GE Controls the software such as the print data processing and provides the  interface with computers    2     Engine PWB      e ertt Controls printer hardware such as high voltage bias output control  paper  conveying system control  and fuser temperature control  etc    3  Power source DW    A
116. ith the spec   ifications to the printer        Defective drum  PWB M     Replace the drum unit M  See page 1 5 15            Defective engine  PWB        Replace the engine PWB  See page 1 5   30         Contents    2HL 2HM 2HN 2    Remarks       Causes    Check procedures corrective measures       Drum unit Y non installing error   The EEPROM of drum PWB Y does not  communicate normally    Incompatible drum unit Y is installed     Faulty connection  of the connector  between the drum  PWB Y and drum  relay PWB     Check the installation of the drum unit Y and  drum relay PWB and reinstall them if neces   sary  See page 1 5 15         Defective harness  between drum  relay PWB  YC1   and engine PWB   YC34   or  improper connec   tor insertion     Reinsert the connector  Also check for conti   nuity within the connector harness  If none   remedy or replace the harness        Installation of  incompatible drum  unit Y     Install drum unit Y compatible with the spec   ifications to the printer        Defective drum  PWB Y     Replace the drum unit Y  See page 1 5 15         Defective engine  PWB     Replace the engine PWB  See page 1 5   30         Backup data error   The serial number of the machine written  on the EEPROM of the engine PWB dif   fers with that is written on both the flash  memory of the engine PWB and the    EEPROM of the drum PWB as a backup     Replacing both the  engine PWB and  the drum unit at the  same time     Check that the machine operates properly  
117. ive high voltage  PWB     Replace the high voltage PWB  See page 1 5 35               Defective engine PWB     1 4 24          Replace the engine  See page 1 5 30       7  White streaks are printed vertically     2HL 2HM 2HN       Print example    Causes    Check procedures corrective measures                   Foreign object in one of the develop   ing units     Check the image by using the test print of service mode  If the  white line appears on a particular page  replace the developer  for that color  See page 1 5 13         Adhesion of soiling to primary transfer  belt     Replace the intermediate transfer unit  See page 1 5 17            Dirty LSU protective glass      8  Black streaks are printed vertically     Print example    Causes       Perform the LSU dust shield glass cleaning  See page 1 3 11      Check procedures corrective measures                   Dirty or flawed drum     Perform the drum surface refreshing  See page 1 3 12    Flawed drum  Replace the drum unit  See page 1 5 15         Deformed or worn cleaning blade in  the drum unit     Replace the drum unit  See page 1 5 15         Worn primary transfer belt     Replace the intermediate transfer unit  See page 1 5 17            Dirty main charger wire      9  Streaks are printed horizontally     Print example    Causes          Perform the main charger cleaning  See page 1 3 11      Check procedures corrective measures                   Flawed drum     Replace the drum unit  See page 1 5 15         Dirty 
118. ive measures       Hard disk error    Defective hard  disk     Replace the hard disk  See page 1 2 7         Defective main  PWB     Replace the main PWB  See page 1 5 29         12C bus error    Defective RFID     Replace the RFID        Defective drum  PWB  EEPROM      Replace the drum unit  See page 1 5 15         Defective engine  PWB  EEPROM      Replace the engine PWB  EEPROM   See  page 1 5 30         Defective main  PWB     Replace the main PWB  See page 1 5 29         Defective engine  PWB     Replace the engine PWB  See page 1 5   30         Lift motor error   When the lift motor is driven  the lift  motor over current detection signal is  detected continuously for 50 times  5 s   at 100 ms intervals    After the lift motor is driven  the ON sta   tus of lift limit sensor cannot be detected  for 8 seconds    The cassette installed confirmation mes   sage is displayed on the printer opera   tion panel  and even if the cassette is  opened and closed  the cassette  installed confirmation message is dis   played 5 times successively     Defective bottom  plate elevation  mechanism in the  cassette     Check to see if the bottom plate can move  smoothly and repair it if any problem is  found        Defective drive  transmission sys   tem of the lift  motor     Check if the rollers and gears rotate  smoothly  If not  grease the bushings and  gears  Check for broken gears and replace if  any        Defective lift motor     Replace the lift motor        Defective engine  PW
119. ize dial setting of the paper setting dial   5  Paper Sensor 1              nee Detects the presence of paper in the cassette   6  Paper sensor 2             escena Detects the presence of paper in the cassette   T  Liftlimit sensor    nene Detects activation of upper limit of the bottom plate in the cassette   8  Registration SENSO         ee eee eeeneeeeeneeeeeaes Detects the timing of primary paper feed   CR lee Detects the presence of paper on the MP tray   10  Duplex conveying sensor                              Detects paper jam in the duplex section   11  Paper exit sengt    Detects paper jam in the fuser paper exit section   12  Paper full SENSO eeren Detects the paper full in the top tray   13  Toner sensor M                           sesso Detects the toner density in the developing unit M   14  Toner sensor C               eise nice Detects the toner density in the developing unit C   15  Toner sensor Y    Detects the toner density in the developing unit Y   16  Toner sensor K                        esseeeecesss  Detects the toner density in the developing unit K   17  Right ID sensor        Measures image density for color calibration   18  Lett  ID sensor    eren Measures image density for color calibration   19  Waste toner full sensor                                  Detects the waste toner box being full   20  Envelope switch ecserin Detects the envelope mode setting     2 2 3    2HL 2HM 2HN 1    21  Front cover open close switch                       Detects 
120. kei 2   Youkei 4  and Custom  Cassette   A4  21 ppm  B5  A5  A6  23 ppm  After 16 pages the printing speed becomes 14 ppm   Letter  23 ppm  Legal  17 ppm  MP tray   A4  19 ppm  B5  A5  A6  20 ppm  After 16 pages the printing speed becomes 14 ppm   Letter  20 ppm  Legal  17 ppm    B5  A5  A6  11 ppm  After 16 pages the printing speed becomes 7 ppm   Letter  11 ppm   Legal  8 ppm   B W  10 5 seconds or less   Color  12 seconds or less    Sleep  35 seconds or less    Power on  44 seconds or less   Sleep  within 3 hours   25 seconds or less   Cassette  250 sheets  80 g m     MP tray  150 sheets  80 g m     Top tray  250 sheets  80 g m     OPC drum  diameter 30 mm    Semiconductor laser  1 beam    Scorotoron plus charging   Dual component interactive touch down developing system  Toner replenishing  Automatic from the toner container  Primary transfer  Elasticity intermediate transfer belt  DC bias   Secondary transfer  Transfer roller  DC bias    Small diameter separation  discharger brush   Heat fusing with a heat roller and a pressure roller  Exposure by eraser lamp  LED    Drum  Counter blade   PowerPC440 533 MHz   Standard  256 MB   Maximum  1280 MB    2HL 2HM 2HN    Resolution                           esses 600 dpi   Operating systems                            Microsoft Windows 2000 XP Vista  Windows Server 2003  Apple Macintosh OS X   Interface        itt USB  Hi Speed USB  Network  10 BASE T 100 BASE TX  KUIO LV slot   Memory card slot                              1  Com
121. lenoid do  not operate     1 4 28    Broken solenoid coil     Check for continuity across the coil  If none  replace the solenoid        Defective harness or  improper connector inser   tion     Reinsert the connector  Also check for continuity within the con   nector harness  If none  remedy or replace the harness    MP paper feed solenoid   Engine PWB  YC40    ID solenoid   Engine PWB  YC43    Duplex solenoid   Engine PWB  YC3           Defective engine PWB        Replace the engine PWB  See page 1 5 30         Problem    Causes    2HL 2HM 2HN    Check procedures corrective measures        6 Main charging is  not performed     Defective harness or  improper connector inser   tion     Reinsert the connector  Also check for continuity within the con   nector harness  If none  remedy or replace the high voltage PWB   See page 1 5 35     High voltage PWB   Engine PWB  YC16        Defective main charger unit    Replace the main charger unit  See page 1 5 16         Defective high voltage  PWB     Replace the high voltage PWB  See page 1 5 35         Defective engine PWB     Replace the engine PWB  See page 1 5 30          7 No developing  bias is output     Defective harness or  improper connector inser   tion     Reinsert the connector  Also check for continuity within the con   nector harness  If none  remedy or replace the high voltage PWB   See page 1 5 35     High voltage PWB   Engine PWB  YC16        Defective high voltage  PWB     Replace the high voltage PWB  See page 1 
122. llation of the developing unit  Y and drum relay PWB and reinstall them if  necessary  See page 1 5 13         Defective harness  between drum  relay PWB  YC1   and engine PWB   YC34   or  improper connec   tor insertion     Reinsert the connector  Also check for conti   nuity within the connector harness  If none   remedy or replace the harness        Defective toner  sensor Y     Replace the developing unit Y  See page 1   5 13         Defective engine  PWB     Replace the engine PWB  See page 1 5   30            Drum unit K non installing error  The EEPROM of drum PWB K does not  communicate normally     Faulty connection  of the connector  between the drum  PWB K and drum  relay PWB     Check the installation of the drum unit K and  drum relay PWB and reinstall them if neces   sary  See page 1 5 15         Defective harness  between drum  relay PWB  YC1   and engine PWB   YC34   or  improper connec   tor insertion     Reinsert the connector  Also check for conti   nuity within the connector harness  If none   remedy or replace the harness        Installation of  incompatible drum  unit K     Install drum unit K compatible with the spec   ifications to the printer        Defective drum  PWB K     Replace the drum unit Y  See page 1 5 15            Defective engine  PWB        Replace the engine PWB  See page 1 5   30         1 4 17    2HL 2HM 2HN 1    Contents    Remarks       Causes    Check procedures corrective measures       Drum unit C non installing error   The EEPRO
123. ller  DC bias    Small diameter separation  discharger brush   Heat fusing with a heat roller and a pressure roller   Exposure by eraser lamp  LED    Drum  Counter blade   PowerPC440 533 MHz   Standard  256 MB   Maximum  1280 MB    2HL 2HM 2HN    Resolution                           esses 600 dpi   Operating systems                            Microsoft Windows 2000 XP Vista  Windows Server 2003  Apple Macintosh OS X   Interface        itt USB  Hi Speed USB  Network  10 BASE T 100 BASE TX  KUIO LV slot   Memory card slot                              1  CompactFlash  4 GB or less    Marg  s  it EE 4 mm  left  right  top and bottom    Operation environment                     Temperature  10 to 32 5  C 50 to 90 5  F    Relative humidity  15 to 8096  Altitude 2 500 m  8 202 feet  maximum  Illumination 1 500 lux maximum    Dimensions  W x D x H                   345 x 518 x 480 mm  13 5 8 x 20 2 5 x 18 9 10   Weight    corra cnn Approx  29 kg  64 Ibs   Power source  120 V  60 Hz  max  9 2 A  U S A  Canada     220 240 V  50 Hz 60 Hz  max  4 7 A  European countries  Max   Allowable voltage fluctuation   10  Max   Allowable frequency fluctuation   2   Power consumption                          Maximum 1 221 W or less  During printing  420 W  During standby  70 W  During sleep mode  7 W  Power off  0 W  Operating noise                               During printing  LpA   53 dB  A   During standby  LpA   36 dB  A   During sleep mode  Immeasurably low     1  When using CUSTOM 1  to 8   
124. mode    Service items Description       Printing a status page for service purpose  Description   gt  gt Print Prints a status page for service purpose  The status page includes various printing settings  Status Page and service cumulative   Purpose  To acquire the current printing environmental parameters and cumulative information   Procedure  1  Enter the service mode   gt  gt Print Status Page    2  Press the OK key   Print Status Page   will be displayed   3  Press the OK key  Two pages will be printed   Completion       Service status page  1        Service Status Page    Printer        Firmware Version 2HN_3000 000 040 2009 01 27  XXXXXXXX   XXXXXXXX   XXXXXXXX   XXXXXXXX   AAA    Controller Information         Memory Status  Standard Size 500 0 kB  Option Slot 500 0 kB  Total Size 1000 0 kB    Time  Local Time Zone  01 00 Amsterdam  Time Server 10  183  53  13    Installed Options    Paper Feeder2 Installed     Paper Feeder3 Installed  Multi purpose  e MPS error control  Paper Feeder4 Not Installed   Paper Feeder5 Not Installed   Memory Card Installed   Hard Disk Installed     9    Digital Dot Coverage  Average        Usage Page  A4 Letter Conversion   Q K  1 00   11111111  00  49 C  2 22 12222222  22  M  3 33   3333333  33    a  Y  444 14444444  44  48 Last Page K C M Y     1 00   2 22   3 33   4 44    FRPO Status  Default Pattern Switch B8 00  Default Font Name V3 Courier    69  XXXXXXXXXXXXXXXX           Figure 1 3 1       1 3 2    Service items    Description    2
125. motor                              esses Drives LSU dust shield glass cleaning system        Cools the image formation section  engine PWB  main PWB and high  voltage PWB       Developing fan motor 2                                 Cools the image formation section  engine PWB  main PWB and high    voltage PWB     2 2 5    2HL 2HM 2HN    21  Power source fan motor  occcoconnnccccnonccnonnnos Cools the power source PWB   22  Fuser fan motor  A Cools the fuser section    23  Fuser fan motor 2 Cools the fuser section    24  Ozone fan motor                       sese The exhaust gas of ozone     2 2 6    2HL 2HM 2HN     4  Other electrical components                   Machine left    Machine inside          Be  rc AAA Se  i Machine right       Figure 2 2 4 Other electrical components    Paper feed clutch         Controls the paper cassette paper feed    Registration clutch        Controls the secondary paper feed    Intermediate clutch    Controls the paper conveying at the conveying section    Duplex clutch                         eene Controls the paper conveying at the duplex section    Developing clutch Detaches the drive transmission of developing units other than develop   ing unit K at the time of B W printing               MP paper feed solenoid                                 Controls the MPF bottom plate of the MP tray   Duplex solenoid                             sseeesess Operates the change guide   ID solenoid          Operates the ID sensors cleaning system   Eraser
126. mproper connector inser   tion     Reinsert the connector  Also check for continuity within the con   nector harness  If none  remedy or replace the harness   Cassette size switch   Engine PWB  YC9        Defective cassette size  Switch     Replace the cassette size switch        Defective engine PWB     Replace the engine PWB  See page 1 5 30          12 A paper jam in  the paper feed sec   tion  paper conveying  section  fuser sec   tion or duplex section  is indicated when the  power switch is  turned on     A piece of paper torn from  copy paper is caught  around registration switch   duplex conveying sensor or  paper exit sensor     Check and remove if any        Defective registration sen   sor or duplex conveying  sensor     Replace the registration sensor or duplex conveying sensor        Defective paper exit sensor     Replace the paper exit PWB           Defective engine PWB        Replace the engine PWB  See page 1 5 30         1 4 29    2HL 2HM 2HN    Problem    Causes    Check procedures corrective measures        13 The message  requesting front  cover to be closed is  displayed when the  front cover is closed     Defective harness or  improper connector inser   tion     Reinsert the connector  Also check for continuity within the con   nector harness  If none  remedy or replace the harness    Front cover open close switch   Paper exit PWB  YC5    Paper exit PWB  YC1    Engine PWB  YC20        Defective front cover open   close switch     Replace the front cover
127. ng print     ing     Defective harness  between fuser ther   mistor and paper  exit PWB  YC4   or  improper connec   tor insertion     Reinsert the connector  Also check for conti   nuity within the connector harness  If none   remedy or replace the harness        Defective harness  between paper exit  PWB  YC1  and  engine PWB   YC20   or  improper connec   tor insertion     Reinsert the connector  Also check for conti   nuity within the connector harness  If none   remedy or replace the harness        Fuser thermistor  installed incor   rectly     Replace the fuser unit  See page 1 5 26         Fuser thermal cut   out triggered     Replace the fuser unit  See page 1 5 26         Fuser heater lamp  installed incor   rectly     Replace the fuser unit  See page 1 5 26         Broken fuser  heater lamp wire     Replace the fuser unit  See page 1 5 26            Defective engine  PWB        Replace the engine PWB  See page 1 5   30         1 4 13    2HL 2HM 2HN 1    Contents    Remarks       Causes    Check procedures corrective measures       Abnormally high temperature fuser  heater lamp   The fuser thermistor detects a tempera   ture higher than 240  C 464  F    By the activation of the high temperature  error detection circuit  230  C 446  F or  more  of fuser thermistor  the illumination  of fuser heater lamp was forcibly turned  off and 10 seconds has elapsed     Shorted fuser ther   mistor     Replace the fuser unit  See page 1 5 26         Defective engine  PWB     Repla
128. open close front cover   22  Fuser thermistor            sesoseeeeeeeeseeeeeeeee neren Measures the heat roller temperature   23  Polygon motor thermistor                              Measures the polygon motor YK temperature     2 2 4    2HL 2HM 2HN     3  Motors       OMNOARWN gt          Developing fan motor 1          Machine left    EZZ  Machine inside          Machine right       Figure 2 2 3 Motors    Paper feed motor                         sess Drives the paper feed section    Lift motor    iiec nenne cene reus Operates the bottom plate in the cassette   Polygon motor M A Drives the polygon mirror    Polygon motor YK                          eese Drives the polygon mirror    Drum motor M                     see Drives drum unit M     Drum motor C       Drives drum unit C   Drum motor Y    Drives drum unit Y        Drum motor K                              Drives drum unit K    Developing motor MCY Drives developing unit M  C and Y     Developing motor bk    Drives developing unit K     Toner motor M A Replenishes the developing unit M with toner     Toner motor C A Replenishes the developing unit C with toner   MA EE Replenishes the developing unit Y with toner     Toner motor K                 sse Replenishes the developing unit K with toner     FUSER MOON e coeno Drives fuser section and paper exit section   x Duplex motor    eere Drives duplex section     Main charger cleaning motor                         Drives main charger wire cleaning system     LSU cleaning 
129. or   2    Paper remains at the paper feeder 1 s PF paper feed sensor when power is turned on   2   Paper does not arrive at the paper feeder 2 s PF paper feed sensor   3   Paper feeder 2   Paper does not arrive at the paper feeder 2 s PF paper feed sensor   4   Paper feeder 3       Paper does not pass the paper feeder 2 s PF paper sensor   3     Paper remains at the paper feeder 2 s PF paper feed sensor when power is turned on   3   Paper does not arrive at the paper feeder 3 s paper feed sensor   4   Paper feeder 3   Paper does not pass the paper feeder 3 s paper sensor   4    Paper remains at the paper feeder 3 s PF paper feed sensor when power is turned on   4   Paper does not arrive at the duplex sensor   I    Paper does not pass the duplex sensor   I    Paper remains at the duplex sensor when power is turned on   I    Paper misfeed occurs due to forced stop when an error occurs during printing   such as  opening of a cover    Paper does not arrive at the face down tray paper full sensor   G     F1 to FF  Paper misfeed by another cause     Values  hexadecimal  within     indicate paper misfeed locations           1 3 15    2HL 2HM 2HN 1    Description    Service items    Description    Jam location    26 28 ppm  500 sheet  model    21 23 ppm  500 sheet  model          Paper jam location        1  Cassette 1  printer      2  Paper feeder 1        3  Paper feeder 2     4  Paper feeder 3   H  Printer inside     G  Paper exit section     1  Duplex section                    D
130. otor FECLKCLK       REMOTREN       26 28 ppm  500 sheet  model    21 23 ppm  250 sheet  model                               Paper feed FEDCLDRN  clutch  STFEBN  STFEAN  Paper feed motor STFEB  STFEA          YC3 1  YC3 2  YC3 3  YC3 4    Engine PWB    YC26 12    Paper sensor 1    YC4 1 Z  YC4 2  YC4 3    YC4 4       Paper sensor 2    Figure 2 1 2Cassette paper feed section block diagram           2  MP tray paper feed section    2HL 2HM 2HN    The MP tray can contain about 150 pages  Feeding from the MP tray is performed by the rotation of the MP paper feed  roller  Also  function of the MPF separation pad prevents paper from multiple feeding      1    2    3    4     Engine PWB  fm MP paper    MPSOLDRN   YC40 2  feed solenoid  MP tray MPHANDS   YC21 6  sensor   STFEBN  vyc44    STFEAN  yc49    Paper feed motor STFEB   yc4 3 a  STFEA    21 23 ppm  500 sheet  model YC4 4     26 28 ppm  500 sheet  model i  FEMOTRDYN    yc3 1    SPEEDSEL   yc3 2  Paper feed motor FECLKCLK YC3 3  REMOTREN YC3 4  21 23 ppm  250 sheet  model                     Figure 2 1 3 MP tray paper feed section    MP paper feed roller  5   MPF separation pad  6   MPF separator  7   MPF bottom plate  8        MPF friction pad   MP tray sensor   Actuator  MP tray sensor   MPF guide R L     9  MPF base   10  MPF upper tray   11  MPF cover                                              Figure 2 1 4 MP tray paper feed section block diagram    2HL 2HM 2HN     3  Paper conveying section    The paper conveying section 
131. otor K       N Al Oo a P GO M            24V3  TNMKDRN          24 V DC  0 24 V DC       24 V DC power source  Toner motor K  On Off       2 3 5    2HL 2HM 2HN    Connector    Signal    Voltage    Description       YC23  Connected  to the toner  motor Y     24V3  TNMYDRN    24 V DC  0 24 V DC    24 V DC power source  Toner motor Y  On Off       YC24  Connected  to the toner  motor C     24V3  TNMCDRN    24 V DC  0 24 V DC    24 V DC power source  Toner motor C  On Off       YC25  Connected  to the toner  motor M     24V3  TNMMDRN    24 V DC  0 24 V DC    24 V DC power source  Toner motor M  On Off       YC26    Connected  to the devel   oping clutch  K  develop   ing motor K   Registration  clutch and  paper feed  clutch    DLPCLDRN   24V3  MOTKREV  DLPMOTKRDYN  SPEEDSEL  DLPMOTKCLK  DLPMOTKREN  GND    24V3  REGCLDRN   24V3  FEDCLDRN   24V3    oo0oo0 o0o00    0 24 V DC  24 V DC  0 3 3 V DC  0 3 3 V DC  0 3 3 V DC  0 3 3 V DC  pulse   0 3 3 V DC  24 V DC  0 24 V DC  24 V DC  0 24 V DC  24 V DC    Developing clutch K  On Off   24 V DC power source   Developing motor K drive switch signal  Developing motor K ready signal  Developing motor K speed selection signal  Developing motor K clock signal  Developing motor K  On Off   Ground   24 V DC power source   Registration clutch  On Off   24 V DC power source   Paper feed clutch  On Off   24 V DC power source       Connected  to the devel   oping motor  MCY    MOTREV  DLPMOTRDYN  SPEEDSEL  DLPMOTCLK  DLPMOTREN  GND    24V3    O0O0O
132. p Y  On Off   Toner sensor Y detection voltage  EEPROM clock signal   Ground   EEPROM data signal   3 3 V DC power source   Eraser lamp K  On Off   3 3 V DC power source   Toner sensor K detection voltage  Developing thermistor detection voltage       Connected  to the drum  PWB K    EEDATA  ERASEDR  EECLK  GND   3 3V1  N C    DA1   DAO    0 3 3 V DC  pulse   0 24 V DC  0 3 3 V DC  pulse     3 3 V DC    0 3 3 V DC  0 3 3 V DC    EEPROM data signal  Eraser lamp K  On Off  EEPROM clock signal  Ground   3 3 V DC power source  Not used   Data address signal  Data address signal       Connected  to the drum  PWB K    1  2  3  4  5  6  7  8  1  2  3    GND  ERASEKDR  N C     0 24 V DC    Ground  Eraser lamp K  On Off  Not used       YC4    Connected  to the devel   oping PWB  K    WRN      GND  TNSENK   3 3V2   TH_DLP    Analog  3 3 V DC  Analog    Ground   Toner sensor K detection voltage   3 3 V DC power source   Developing thermistor detection voltage       YC5    Connected  to the drum  PWB Y    EEDATA  ERASEDR  EECLK  GND   3 3V1  N C    DA1   DAO    0 3 3 V DC  pulse   0 24 V DC  0 3 3 V DC  pulse     3 3 V DC    0 3 3 V DC  0 3 3 V DC    EEPROM data signal  Eraser lamp Y  On Off  EEPROM clock signal  Ground   3 3 V DC power source  Not used   Data address signal  Data address signal       Connected  to the drum  PWB Y    ON lonon AWN A    GND  ERASEYDR  N C     0 24 V DC    Ground  Eraser lamp Y  On Off  Not used       YC7    Connected  to the drum  PWB C       2 3 12    WOR
133. pactFlash  4 GB or less    Marg  s  it EE 4 mm  left  right  top and bottom    Operation environment                     Temperature  10 to 32 5  C 50 to 90 5  F    Relative humidity  15 to 8096  Altitude 2 500 m  8 202 feet  maximum  Illumination 1 500 lux maximum    Dimensions  W x D x H                   345 x 518 x 455 mm  13 5 8 x 18 1 2 x 17 9 10   Weight    corra cnn Approx  28 kg  61 lbs   Power source  120 V  60 Hz  max  9 2 A  U S A  Canada     220 240 V  50 Hz 60 Hz  max  4 7 A  European countries  Max   Allowable voltage fluctuation   10  Max   Allowable frequency fluctuation  12   Power consumption                          Maximum 1 231 W or less  During printing  405 W  During standby  69 W  During sleep Mode  7 W  Power off  0 W  Operating noise                               During printing  LpA   53 dB  A   During standby  LpA   36 dB  A   During sleep mode  Immeasurably low    1  When using CUSTOM 1  to 8   use the MP tray for paper sizes smaller than 105 x 148 mm  4 1 8 x 5 13 16     The MP tray can be used with paper sizes over 70 x 138 mm  2 3 4 x 5 7 16      2  Sound pressure level at bystander position  front  in accordance with EN ISO 7779     NOTE  These specifications are subject to change without notice     1 1 6    2HL 2HM 2HN    1 1 2 Parts names     1  Overall  21 23 ppm  500 sheet  model and 26 28 ppm  500 sheet  model        21 23 ppm   500 sheet  model       26 28 ppm Z   500 sheet  Z    Sd  RR                                                   
134. preprinted  labels  bond  recycled  vellum  rough  letterhead   color  prepunched  envelope  cardstock  coated  thick  high quality  and custom   Cassette    A4  B5  A5  Folio  8 1 2  x 14   Legal   8 1 2  x 11   Letter   Oficio Il  Statement   Executive  ISO B5  A6  Envelope C5  16K  and Custom   MP tray    A4  B5  A5  Folio  8 1 2  x 14   Legal   8 1 2  x 11   Letter   Oficio II  Statement   Executive  A6  B6  ISO B5  Env  Monarch  Envelope  10  Envelope  9   Envelope  6  Envelope DL  Envelope C5  16K  Hagaki  Oufuku Hagaki  Youkei 2   Youkei 4  and Custom   Cassette    A4  21 ppm   B5  A5  A6  23 ppm  After 16 pages the printing speed becomes 14 ppm   Letter  23 ppm   Legal  17 ppm   MP tray    A4  19 ppm   B5  A5  A6  20 ppm  After 16 pages the printing speed becomes 14 ppm   Letter  20 ppm   Legal  17 ppm   A4  11 ppm   B5  A5  A6  11 ppm  After 16 pages the printing speed becomes 7 ppm    Letter  11 ppm   Legal  8 ppm   B W  10 5 seconds or less   Color  12 seconds or less    Sleep  35 seconds or less    Power on  44 seconds or less   Sleep  within 3 hours   25 seconds or less   Cassette  500 sheets  80 g m     MP tray  150 sheets  80 g m     Top tray  250 sheets  80 g m     OPC drum  diameter 30 mm    Semiconductor laser  1 beam    Scorotoron plus charging   Dual component interactive touch down developing system   Toner replenishing  Automatic from the toner container   Primary transfer  Elasticity intermediate transfer belt  DC bias    Secondary transfer  Transfer ro
135. ption       Detail of event log       Event Log    Printer                 Firmware Version 2HN_3000 000 000 2009 01 27  XXXXXXXX   XXXXXXXX   XXXXXXXX   XXXXXXXX   BEER    G  Paper Jam Log Service Call Log  Count  Event Descriptions  9999999  8888888  7777777  6666666  5555555  4444444  3333333  2222222  1111111  999999   01  88  01     888888 COT a8 Dt  Maintenance Log  777777   01  88  01    Count  Item  666666   01  88  01  Log Data Nothing     555555  444444    Count  Service Code  1111111   0000  999999   0000  888888   0000  777777   0000  666666   0000  555555   0000  444444   0000   1   0000    2N0400 00          NM OQ  amp  O  O   0  Qo       10  01  88  01  01 Unknown Toner Log    Count  Item   a   b   co  d  e  1111111 00  00  999999 00 00  888888 00 00  777777 00 00  666666 00  00               Counter Log    JOO  J13   J01  J14   J02  J15   J03 J16   J04  J17   J05  J18   J06  J19   J07  J20   J08  J21   J09  J22    J23    J24            OOWONOMBQWWN O      d       6   XXXXXXXXXXXXXXXX     Figure 1 3 6    z  o    Items Description       Firmware version       Engine software version       Engine boot version       Main ROM version       Panel mask version       ee eG           Machine No              1 3 14    Service items    2HL 2HM 2HN 1    Description       Description               Count  Event    Remembers 1 to 16 of occurrence    The total page Log code  2 digit  hexadecimal  5 cate   If the occurrence of the previous count atthe time   gories     paper j
136. rive control signal   A   Drum motor K drive control signal  B   Drum motor K drive control signal  A        Connected  to the power  source PWB    HEATREM  N C   ZCROSS  SLEEPN   24V3  GND  GND  GND  GND   24V1   24V1   24V1   24V1    OOOO0OO0O00O00O0000000  06  0 0    OO    24 V DC  0 3 3 V DC  pulse   0 24 V DC   24 V DC    24 V DC  24 V DC  24 V DC  24 V DC    Fuser heater lamp  On Off  Not used   Zero cross signal   Sleep mode signal  On Off  24 V DC power source  Ground   Ground   Ground   Ground   24 V DC power source   24 V DC power source   24 V DC power source   24 V DC power source       Connected  to the paper  exit PWB    Oo oO JO ob DM alc e oO o Joo bk Go HM       o     3 3V2  FTHERM  PDIRN  EXITPAP  GND   FDFUL  FEEDOPN  FUFANDRN   24V1  DUREVDRN    3 3 V DC  Analog   0 3 3 V DC  0 3 3 V DC  0 3 3 V DC  0 3 3 V DC  0 12 24 V DC  24 V DC   0 24 V DC    3 3 V DC power source   Fuser thermistor detection voltage   Envelope switch  On Off   Paper exit sensor  On Off   Ground   Paper full sensor  On Off   Front cover open close switch  On Off   Fuser fan motor 1  Full speed Half speed Off  24 V DC power source   Duplex solenoid  On Off       Connected  to the  duplex con   veying sen   sor and MP  tray sensor     3 3V2  GND  DUREGPAP   3 3V2  GND  MPHANDS    3 3 V DC    0 3 3 V DC  3 3 V DC    0 3 3 V DC    3 3 V DC power source   Ground   Duplex conveying sensor  On Off  3 3 V DC power source   Ground   MP tray sensor  On Off       YC22  Connected  to the toner  m
137. rness  If none   remedy or replace the harness        Defective power  source PWB     Replace the power source PWB  See page  1 5 27            Defective engine  PWB        Replace the engine PWB  See page 1 5   30         Contents    2HL 2HM 2HN 1    Remarks       Causes    Check procedures corrective measures       Toner motor K error   When the toner motor K is driven  the  toner motor K over current detection sig   nal is detected continuously for 50 times   5 s  at 100 ms intervals     Defective harness  between toner  motor K and  engine PWB   YC22   or  improper connec   tor insertion     Reinsert the connector  Also check for conti   nuity within the connector harness  If none   remedy or replace the harness        Defective drive  transmission  system of the toner  motor K     Check if the gears rotate smoothly  If not   grease the bushings and gears  Check for  broken gears and replace if any        Defective toner  motor K     Replace the toner motor K        Defective engine  PWB     Replace the engine PWB  See page 1 5   30         Toner motor C error   When the toner motor C is driven  the  toner motor C over current detection sig   nal is detected continuously for 50 times   5 s  at 100 ms intervals     Defective harness  between toner  motor C and  engine PWB   YC24   or  improper connec   tor insertion     Reinsert the connector  Also check for conti   nuity within the connector harness  If none   remedy or replace the harness        Defective drive  transmis
138. ronization signal   Ground   Not used   Operation panel PWB clock signal  Operation panel reset signal   3 3 V DC power source   Main PWB serial communication data signal  Main PWB clock signal   Main PWB busy signal   PD mask control signal   EEPROM data signal   EEPROM clock signal   Ground   Ground       Connected  to the opera   tion panel  PWB       2 3 8       GND  FPCLK  FPDIR  FPDATA   3 3V1  FPRSTN   5V          0 3 3 V DC  pulse   0 3 3 V DC   0 3 3 V DC   3 3 V DC   0 3 3 V DC   5V DC       Ground    Operation panel PWB clock signal   Operation panel PWB communication direct signal  Operation panel PWB data signal   3 3 V DC power source   Operation panel reset signal   5 V DC power source       Connector    3  5    Signal    Voltage    2HL 2HM 2HN    Description       YC33  Connected  to the option  paper feeder       o co JO Om    ON  gt     ect Set     CH    GND  OPSCLK  OPRDYN  OPSDI  OPSDO  OP5V  GND  OPSELO  OPSEL1  OPSEL2  OP24    O O        O    0 5 V DC  pulse   0 5 V DC   0 5 V DC  pulse   0 5 V DC  pulse   5V DC   0 5 V DC   0 5 V DC   0 5 V DC   24 V DC    Ground   Paper feeder clock signal   Paper feeder ready signal   Paper feeder serial communication data signal  Paper feeder serial communication data signal  5 V DC power source   Ground   Paper feeder selection signal   Paper feeder selection signal   Paper feeder selection signal   24 V DC power source       Connected  to the drum  relay signal    0 NOORA Ga MM         _   m   a   sch   AM A e Hi  
139. s detected  the printer stops printing and display an  error message on the operation panel  An error message consists of a message prompting a contact to service personnel   total print count  and a four digit error code indicating the type of the error   The display varies depending on the type of  the error      Total number of pages    Ready            Call service  Error code     em r 6000 012345 Data    Attention    P Ready  Call service    Error code                F000 Data    Attention    Ready  Error power off     Error code PE  F030 Data    Attention    Figure 1 4 3    1 4 2     2  Self diagnostic codes    Contents    2HL 2HM 2HN 1    Remarks       Causes    Check procedures corrective measures       Backup memory read write error    Defective main  PWB     Replace the main PWB  See page 1 5 29         Backup memory data error    Defective main  PWB     Replace the main PWB  See page 1 5 29         MAC address data error  For data in which the MAC address is  invalid     Defective main  PWB     Replace the main PWB  See page 1 5 29         Engine PWB  EEPROM  error  Data read from EEPROM is judged  abnormal     Improper installa   tion EEPROM     Replace the engine PWB  See page 1 5   30         Defective engine  PWB     Replace the engine PWB  See page 1 5   30         Billing counting error    Defective main  PWB     Replace the main PWB  See page 1 5 29         Paper feeder communication error  Communication error between engine  PWB and optional paper feeder   
140. signal  A        YC40  Connected  to the MP  paper feed  solenoid           24V3  MPSOLDRN          24 V DC  0 24 V DC       24 V DC power source  MP paper feed solenoid  On Off       2 3 9    2HL 2HM 2HN    Connector    Signal    Voltage    Description       YC41    Connected  to the devel   oping fan  motor 2     24V1  DLPFANDRN    24 V DC  0 12 24 V DC    24 V DC power source  Developing fan motor 2  Full speed Half speed Off       YC43    Connected  to the ID  solenoid     24V3  IDSOLDRN    24 V DC  0 24 V DC    24 V DC power source  ID solenoid  On Off       YC44  Connected  to the fuser  fan motor 2       2 3 10        24V3  SUBFANDRN          24 V DC  0 12 24 V DC          24 V DC power source  Fuser fan motor 2  Full speed Half speed Off    2HL 2HM 2HN    2 3 3 Drum relay PWB                               YC2  17725917  2 o000 8  1 ooo 3    x lt    O  wd    Figure 2 3 3 Drum relay PWB silk screen diagram    2 3 11    2HL 2HM 2HN    Connector    Signal    Voltage    Description       YC1  Connected  to the  engine  PWB     0 NOOA WD      wh  A m   m     wh   ZS oh A e       ERASEMDR  TNSENM  ERASECDR  TNSENC  ERASEYDR  TNSENY  EECLK  GND  EEDATA   3 3V1  ERASEKDR   3 3V2  TNSENK  DLPTHERM    0 24 V DC   Analog   0 24 V DC   Analog   0 24 V DC   Analog   0 3 3 V DC  pulse   0 3 3 V DC  pulse   3 3 V DC   0 24 V DC   3 3 V DC   Analog   Analog    Eraser lamp M  On Off   Toner sensor M detection voltage  Eraser lamp C  On Off   Toner sensor C detection voltage  Eraser lam
141. sion  system of the toner  motor C     Check if the gears rotate smoothly  If not   grease the bushings and gears  Check for  broken gears and replace if any        Defective toner  motor C     Replace the toner motor C        Defective engine  PWB     Replace the engine PWB  See page 1 5   30            Toner motor M error   When the toner motor M is driven  the  toner motor M over current detection sig   nal is detected continuously for 50 times   5 s  at 100 ms intervals     Defective harness  between toner  motor M and  engine PWB   YC25   or  improper connec   tor insertion     Reinsert the connector  Also check for conti   nuity within the connector harness  If none   remedy or replace the harness        Defective drive  transmission  system of the toner  motor M     Check if the gears rotate smoothly  If not   grease the bushings and gears  Check for  broken gears and replace if any        Defective toner  motor M     Replace the toner motor M           Defective engine  PWB        Replace the engine PWB  See page 1 5   30         1 4 15    2HL 2HM 2HN 1    Contents    Remarks       Causes    Check procedures corrective measures       Toner motor Y error   When the toner motor Y is driven  the  toner motor Y over current detection sig   nal is detected continuously for 50 times   5 s  at 100 ms intervals     Defective harness  between toner  motor Y and  engine PWB   YC23   or  improper connec   tor insertion     Reinsert the connector  Also check for conti   nuity wit
142. te toner box with the drum screw  Also elec   tric charge remaining on the drum surface is eliminated by irradiating the eraser lamp for preparing for next charge of the    main charger                                                                          Figure 2 1 7 Drum section     1    2    3    4    5    6     2 1 6    Drum   Drum shaft   Main charger unit  Cleaning blade  Drum screw  Eraser lamp    2HL 2HM 2HN                                                                         ERASEMDR  YC18 1  STMBN i Drum PWB Drum PWB we   a SSD E  i Drum i  YC18 2   STMAN     oom  Emm    YC18 3 rene Drumimotan Mir T Eraser lari    Drum relay PWB  YC18 4 i Esc vA    ERASEMDR   1  Drum PWB M 2 i EEDATA   vc44 4  i   EECLK   s  Engine PWB   Drum unit M EEPROM DAL  YC11 7  E DAO   YC11 8   __  ERASECDR    yc18 5  STCBN i Drum PWB rum pwe c   HER YC92  STCAN   Drum  YC18 6  stcg Drum motorC    Lu AE    YC18 7 STCA it EraserlampC    YC18 8 i E        ERASECDR   ycg_p    Drum PWB C     EEDATA    vcg 4    YC8 3    Drum unit C EEPROM YC8 7  i YC8 8      ERASEYDR  YC18 9   Drum PWB rum pwe v       ENSET EECH  YC18 10 TATE  S Drum motor Y     i  YC18 11 i ec lamp Y     YC18 12 i i    A   YC5 2    Drum PWB Y YC5 1      YC5 3    Drum unit Y EEPROM YC5 7  i   YC5 8         ERASEKDR    YC48 13   Drum PWB rum ewe   jj YC 3 2  YC18 14 INPS  i Drum motor K        YC18 15 aL Eraser lampK    YC18 16 i i i       ERASEKDR   vc5     Drum PWB K     EEDATA    vc   4  i   YC2 3    Drum unit K EEPROM YC
143. to the  root directory of the memory card   12  Remove the memory card from the PC s slot  Memory card    or the adaptor       Adapter   Memory card reader        Figure 1 6 8    1 6 5    2HL 2HM 2HN 1    13  Insert the memory card into the memory  card socket   14  Refit the main PWB  e             Memory card  socket    Main PWB          Figure 1 6 9  15  Turn printer power on   16  When message display  1  is displayed to Message display  detect firmware in the memory card   1   17  Message display  2  is displayed during  downloading   18  When message display  3  is displayed to  2   supervisor mode        indicate downloading is finished  USB data reading    SAEPE EA  o  rr     D Product code    Firmware category  10  Engine  30  System  31  System  BROM        Supplement  Normally  00        Classification  Normally  O    s  Update history     Build number    Checksum    Figure 1 6 10    1 6 6    19   20     21   22     23   24     Turn printer power off    Remove the two screws and then remove  the main PWB    Remove the memory card from memory  card socket    Refit the main PWB    Turn printer power on    Print the status page to check that the firm   ware version has been updated  See page  P 1 3 2            2HL 2HM 2HN           Memory card  socket       Main PWB       Figure 1 6 11    1 6 7    2HL 2HM 2HN    This page is intentionally left blank     1 6 8    2 1 1 Paper feed conveying section    2HL 2HM 2HN    Paper feed conveying section consists of the paper fe
144. ts are recorded on the service status page in  number of pages at which the maintenance kit was replaced  See page 1 3 2     This may be used to determine the possibility that the counter was errorneously or uninten   tionally reset        1 3 9    2HL 2HM 2HN 1    Service items    Description        gt  gt DEV SET       1 3 10       Entering initial value  6 digit data  for replacing the developing unit   Description   After replacing the developing unit  enter the initial value  6 digit data  assigned on a label  attached to the package or developing unit     Procedure  1  Enter the service mode   gt  gt DEV SET    2  Press the OK key     gt  gt DEV SET 000000  will be displayed   3  Enter the initial value  6 digit data  with cursor keys   6 digit data is assigned on a label attached to the package or developing unit                       DE  DV560Y    Package    an  Se   Ss    Message display     a   gt  gt DEV SET  Gi  e 000000   v bag   Arrow keys    Example  6 digit data  128F1E                128F1E    DV560Y                sin       0  35 37 ppm printer 0  Magenta   EUR USA model  1  Cyan   1  40 42 and 45 47 ppm printer 2  Yellow   EUR USA model  3  Black    4  Press the OK key     gt  gt OK  128F1E  will be displayed   5  Press the OK key    DEV SET  will be displayed  The initial value  6 digit data  is set   Completion       Service items    2HL 2HM 2HN    Description        gt  gt DEV CLN       Developer refreshing  Description  The laser output of the image dat
145. us page to check that the firm     10  Turn printer power off     1 6 3    USB memory    Figure 1 6 4    2HL 2HM 2HN     3  Downloading the firmware from the memory card    To download data written in a memory card  CompactFlash  to the printer  proceed as explained in this section     CAUTION    Downloading firmware takes several minutes  Do not turn power off during downloading     Procedure  1  Turn printer power off   2  Remove the two screws and then remove  the main PWB   3  Insert the memory card into the memory  card socket   4  Re fit the main PWB     5  Turn printer power on    6  Press MENU key on the printer s operation  panel and carry out the memory card for   matting procedure  1     7  When formatting is complete  turn printer  power off     1 6 4          Memory card  socket    Memory card    Main PWB       Figure 1 6 5    Message display    Ready    Operation panel key    Press MENU key  Press arrow key     Om OO     gt Memory Card  gt     Press arrow key  Press arrow key                1  Press O key      gt  gt Format    E     J    Press OK key   O    Processing                Format information is  Y automatically printed      Ready    Figure 1 6 6    2HL 2HM 2HN    8  Remove the two screws and then remove  the main PWB    9  Remove the formatted memory card from  the memory card socket              Memory card  socket    Main PWB       Figure 1 6 7    10  Insert the memory card to the PC s slot or to  the adaptor   11  Copy the firmware file to download 
146. use the MP tray for paper sizes smaller than 105 x 148 mm  4 1 8 x 5 13 16     The MP tray can be used with paper sizes over 70 x 138 mm  2 3 4 x 5 7 16      2  Sound pressure level at bystander position  front  in accordance with EN ISO 7779     NOTE  These specifications are subject to change without notice     21 23 ppm  250 sheet  model    Printing speeds    Duplex printing speed    First print out time    Warm up time  23 C  60 RH   Paper feed source capacity    Output tray capacity  Photoconductor  Printing method  Charging system  Developing system    Transfer system    Separation system                               Charge erasing system  Cleaning system    2HL 2HM 2HN    Desktop  Electrophotographic four color  CMYK  printing using tandem  4  drum system  Cassette  60 to 120 g m   MP tray  60 to 220 g m   Cassette   Plain  preprinted  bond  recycled  rough  letterhead  color  prepunched  high quality   and custom  MP tray   Plain  transparency  preprinted  labels  bond  recycled  vellum  rough  letterhead   color  prepunched  envelope  cardstock  coated  thick  high quality  and custom  Cassette   A4  B5  A5  Folio  8 1 2  x 14   Legal   8 1 2  x 11   Letter   Oficio Il  Statement   Executive  ISO B5  A6  Envelope C5  16K  and Custom  MP tray   A4  B5  A5  Folio  8 1 2  x 14   Legal   8 1 2  x 11   Letter   Oficio Il  Statement   Executive  A6  B6  ISO B5  Env  Monarch  Envelope  10  Envelope  9   Envelope  6  Envelope DL  Envelope C5  16K  Hagaki  Oufuku Hagaki  You
147. ustom 1  16  Custom 2  17  Custom 3  18  Custom 4  19  Custom 5  1A  Custom 6  1B  Custom 7  1C  Custom 8        e  Detail of paper exit location  Hexadecimal     01  Face down tray  FD   02  Face up tray  FU   03 to 48  Reserved       Service Call   Self diagnostic  error  Log               Remembers 1 to 8 of  occurrence of self diag   nostics error  If the  occurrence of the previ   ous diagnostics error is  less than 8  all of the  diagnostics errors are  logged        Count     The total page count at  the time of the self diag   nostics error        Service Code    Self diagnostic error code   See page 1 4 3     Example  01 6000    01 means a self diagnos   tic error  6000 means a  self diagnostic error code        1 3 17    2HL 2HM 2HN 1    Service items    Description       Items    Description       Maintenance  Log    NOTE    Itis notlogged if  100 or more  counts are not  added to the  count at the last  occurrence of  replacement          Remembers 1 to 8 of  occurrence of replace   ment  If the occurrence of  the previous replacement  of toner container is less  than 8  all of the occur   rences of replacement  are logged     Count     The total page count at the  time of the replacement of  the toner container     This is virtually logged as  the occurrence of the     Toner Empty  or  Install  MK    condition since the  replacement of the toner  container is not precisely  detectable     Ite    Code of maintenance replacing  item  1 byte  2 categories     First 
148. ut error  Yellow    The pin photo signal  PDN  is not output  from PD PWB Y for one second while  laser is emitted     Defective harness  between APC  PWB Y and engine  PWB  YC29   or  improper connec   tor insertion     Reinsert the connector  Also check for conti   nuity within the connector harness  If none   remedy or replace the harness        Defective APC  PWB Y     Replace the laser scanner unit YK  See  page 1 5 38         Defective PD PWB  Y     Replace the laser scanner unit YK  See  page 1 5 38         Defective engine  PWB     Replace the engine PWB  See page 1 5   30         LSU cleaning motor error   When the LSU cleaning motor is driven   the LSU cleaning motor over current  detection signal is detected continu   ously for 50 times  5 s  at 100 ms inter   vals     Defective harness  between LSU  cleaning motor and  engine PWB   YC37   or  improper connec   tor insertion     Reinsert the connector  Also check for conti   nuity within the connector harness  If none   remedy or replace the harness        Defective drive  transmission sys   tem of the LSU  cleaning motor     Check if the rollers and gears rotate  smoothly  If not  grease the bushings and  gears  Check for broken gears and replace if  any        Defective LSU  cleaning motor     Replace the LSU cleaning motor        Defective engine  PWB     Replace the engine PWB  See page 1 5   30            VIDEO ASIC device error    Faulty connection  of the connector  between the main  PWB and engine  PWB     
149. voltage PWB assembly           Figure 1 5 50    12  Remove five screws and then remove the E Screw       high voltage PWB  Screw  S  me e Screw    13  Check or replace the high voltage PWB and  refit all the removed parts         High voltage PWB    Figure 1 5 51    1 5 37    2HL 2HM 2HN    1 5 9 Others     1  Detaching and refitting the laser scanner unit    Procedure  1  Remove the all drum units  See page 1 5   15    2  Remove the all developing units  See page  1 5 13    3  Remove the two connectors   4  Remove the wires form the three clamps     5  Draw the two connectors into the printer  inside     1 5 38                  ss      Er X Clamp  y    eo QUe  INS             A  ij    NS                    N     IX LTT  gt  Ng   N AR   RSS E  2727 3                   Figure 1 5 53    2HL 2HM 2HN    6  Remove the each three screws and then    Laser scanner unit MC    remove the laser scanner units  MC YK    7  Check or replace the laser scanner units    and refit all the removed parts         Laser scanner  scanner                                                                                                                                                                         Figure 1 5 54    1 5 39    2HL 2HM 2HN     2  Detaching and refitting the ozone filter    Procedure  1  Open the right cover   2  Remove the ozone filter   3  Check or replace the ozone filter and refit all  the removed parts     1 5 40    900000000000          Ozone filter             Figure 1 5 55 
    
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