Sharp MXM5051 Error Code

Sharp MXM5051 Error Code List

– Compatible model: Sharp MXM5051
– Sharp MXM5051 error code list and quick guide troubleshooting:

• Code: A0-01
• Description: PCU ROM error
• Causes: The firmware version up is not completed properly by interruption of the power during the version up operation
  PCU PWB trouble
• Troubleshooting Guides: SIM49-1 to execute the firmware version up
  Replace PCU PWB

• Code: A0-02
• Description: SCN ROM error
• Causes: The firmware version up is not completed properly by interruption of the power during the version up operation.
  SCN MFP PWB trouble
• Troubleshooting Guides: SIM49-1 to execute the firmware version up
  Replace SCN MFP PWB

• Code: A0-06
• Description: FAX ROM error
• Causes: The content of FAX ROM is abnormal
  The firmware version up is not completed properly by interruption of the power during the version up operation.
  FAX PWB trouble
• Troubleshooting Guides: SIM49-1 to execute the firmware version up
  Replace FAX PWB

• Code: A0-10
• Description: Color profile error
• Causes: The content of the color profile is abnormal
  Combination inconsistency between MFP firmware and color profile
• Troubleshooting Guides: SIM49-1 to execute the firmware version up
  Replace SCN MFP PWB

• Code: A0-15
• Description: Stored DSK data conflict
• Causes: Inconsistency of ASIC MAIN firmware version
• Troubleshooting Guides: Check ASIC MAIN firmware version
  Check installation state of TPM PWB

• Code: A0-17
• Description: UI data error
• Causes: Inconsistency between UI contents and UI firmware version
• Troubleshooting Guides: SIM49-1 to execute the firmware version up

• Code: A0-18
• Description: ASIC MAIN firmware inconsistent error
• Causes: Inconsistency of ASIC firmware version in MFP
• Troubleshooting Guides: SIM49-1 to execute the firmware version

• Code: A0-19
• Description: MFP boot error
• Causes: ASIC trouble
  Memory trouble
• Troubleshooting Guides: Extract and insert eMMC PWB
  Replace eMMC PWB
  Replace SCN MFP PWB

• Code: A0-20
• Description: MFP firmware and EEPROM data inconsistent error
• Causes: Inconsistency between MFP firmware version and
  EEPROM data version
• Troubleshooting Guides: SIM49-1 to execute the firmware version up

• Code: A0-21
• Description: PCU firmware and EEPROM data inconsistent error
• Causes: Inconsistency between PCU firmware version and EEPROM data version
• Troubleshooting Guides: SIM49-1 to execute the firmware version up

• Code: A0-22
• Description: SCN firmware and EEPROM data inconsistent error
• Causes: Inconsistency between SCN firmware version and EEPROM data version
• Troubleshooting Guides: SIM49-1 to execute the firmware version up

• Code: C1-10
• Description: Main charger error
• Causes: Open circuit or short circuit of the main charger output
• Troubleshooting Guides: 1. Use SIM8-2 to check the output of [GB]. If the leakage noise or the flickering on the screen of the panel is detected;
  1) Abnormality of the charger -> Remove and insert the charger or replace the charger.
  2) Imperfect insetion of the charger -> Remove and insert the charger.
  3) Abnormality of MHV Harness (Transformer T101 of the highvoltage PWB) -> Remove and insert MHV harness.
  4) Abnormality of the developing unit -> Insert and remove the developing unit./Replace.
  5) Looseness of screw (upper left of high-voltage PWB , and near the transformer T402) -> Tighten screw again.
  2. Use SIM8-2 to check the output of [GB]. If the leakage noise etc. is not detected;
  1) Charger not inserted. -> Insert the Charger
  2) Disconnection/breakage of MHV harness (Transformer T101 of the high-voltage PWB) -> Insert the harness./Replaces.
  3) High-voltage PWB trouble -> Replace the high-voltage PWB.
  4) PCU PWB trouble -> Replace PCU PWB.
  5) Looseness of screw (upper left of high-voltage PWB , and near the transformer T402) -> Tighten screw again.

• Code: C1-40
• Description: HV PWB trouble
• Causes: 1) Input harness disconnection in the high-voltage PWB.
  2) Harness (MHV-T, THV-T) pin disconnection (the high-voltage PWB input connector CN1-2pin,CN1- 3pin)
  3) 24V fuses meltdown in the high-voltage PWB
  4) High-voltage error circuit (MHV-T, THV-T) breakage in the high-voltage PWB.
  5) Input harness disconnection in the connector CN4 of the PCU PWB.
• Troubleshooting Guides: 1) Check the harness and the connector (high-voltage PWB input connector CN1)
  2) Check or replace the harness. (the high-voltage PWB input connector CN1-2pin, CN1-3pin)
  3) Replace the high-voltage PWB
  4) Replace the high-voltage PWB
  5) Check the harness and the connector (PCU PWB input connector CN4)

• Code: C4-20
• Description: TC output error
• Causes: Open/Short circuit of the transfer out put.
• Troubleshooting Guides: 1. Use SIM8-6 to the check the out put of [THV]. If the leakage noise or the flickering on the screen of the panel is detected;
  1) Abnormality of the transfer unit. -> Remove and insert the transfer unit. -> Replace the transfer unit.
  2) Imperfect insertion the transfer unit. -> Remove and insert the transfer unit.
  3) Abnormality of the THV harness. -> Check THV wiring, Replace.
  4) High-voltage PWB trouble -> Replace the high-voltage PWB.
  5) PCU PWB trouble. -> Replace the PCU PWB
  2. Check the operation of OPC Drum. If it is not normal movement,
  1) Abnormality of Drum drive motor (DM). -> Check Drum drive motor (DM).
  2) Abnormality of OPC Drum -> Check OPC Drum -> Replace OPC Drum.
  3. Rapid environmental change (temperature and humidity). -> Power OFF/ON
  4. Abnormality of the Process Control. -> Operation SIM44-6

• Code: E6-10
• Description: Shading black correction error (SPF)
• Causes: CCD unit connector, harness connection trouble
  CCD unit trouble
  DSPF PWB trouble
• Troubleshooting Guides: Check connection state of CCD unit connector, harness
  Replace CCD unit
  Replace DSPF PWB

• Code: E6-11
• Description: Shading white correction error (SPF)
• Causes: CCD unit connector, harness connection trouble
  Scanner lamp lighting trouble
  Dirt on mirror, reference white plate
  CCD unit trouble
  DSPF PWB trouble
• Troubleshooting Guides: Check connection state of CCD unit connector, harness
  Check connection state of scanner lamp connector, harness
  Clean the reference white plate
  Replace CCD unit
  Replace DSPF PWB
  SIM63-2 to execute

• Code: E6-14
• Description: CCD-ASIC error (SPF)
• Causes: DSPF PWB trouble
• Troubleshooting Guides: Replace DSPF PWB

• Code: E7-01
• Description: Image data error
• Causes: Image data transfer error in SCN MFP PWB
  SCN MFP PWB trouble
• Troubleshooting Guides: Check connection state of SCN MFP PWB connector, harness
  Replace SCN MFP PWB

– Sharp MXM5051 Error Code

• Code: E7-03
• Description: HDD/SSD error
• Causes: SCN MFP PWB and HDD connector, harness connection trouble
  HDD trouble
  SCN MFP PWB trouble
• Troubleshooting Guides: Check connection state of SCN MFP PWB and HDD connector, harness
  SIM62-2, 62-3 to execute
  Replace HDD
  Replace SCN MFP PWB

• Code: E7-04
• Description: HDD-ASIC error (DSK)
• Causes: HDD-ASIC trouble
• Troubleshooting Guides: Replace SCN MFP PWB

• Code: E7-10
• Description: Shading black correction error (OC)
• Causes: Abnormality in the CCD black scan level when scanner lamp is turned OFF
  CCD unit connector, harness connection trouble
  CCD unit trouble
  SCN MFP PWB trouble
• Troubleshooting Guides: Check connection state of CCD unit connector, harness
  Replace CCD unit
  Replace SCN MFP PWB

• Code: E7-11
• Description: Shading white correction error (OC)
• Causes: Abnormality in the CCD white reference plate scan level when scanner lamp is turned ON
  CCD unit connector, harness connection trouble
  Dirt on mirror, lens and white reference plate
  Scanner lamp lighting trouble
  CCD unit trouble
  SCN MFP PWB trouble
• Troubleshooting Guides: Check connection state of CCD unit connector, harness
  Check connection state of scanner lamp unit connector, harness
  Clean mirror, lens and white reference plate
  Replace CCD unit
  Replace SCN MFP PWB

• Code: E7-14
• Description: CCD-ASIC error (OC)
• Causes: SCN MFP PWB trouble
• Troubleshooting Guides: Replace SCN MFP PWB

• Code: E7-20
• Description: LSU BD detection error
• Causes: Reduced laser power, lighting error, laser diode trouble
  LSU connector, harness connection trouble
  BD PWB trouble
• Troubleshooting Guides: SIM61-1 to execute
  Check connection state of LSU connector, harness
  Replace BD PWB
  Replace LSU unit

• Code: E7-21
• Description: LSU LD deterioration error
• Causes: Reduced laser power, lighting error, laser diode trouble
  LSU connector, harness connection trouble
  LSU PWB trouble
• Troubleshooting Guides: SIM61-1 to execute
  Check connection state of LSU connector, harness
  Replace LSU PWB
  Replace LSU unit

• Code: E7-24
• Description: LSU LD driver error
• Causes: Reduced laser power, lighting error, laser diode trouble
  LSU connector, harness connection trouble
  LSU PWB trouble
• Troubleshooting Guides: SIM61-1 to execute
  Check connection state of LSU connector, harness
  Replace LSU PWB
  Replace LSU unit

• Code: E7-28
• Description: LSU ASIC – PCU access error
• Causes: Communication error between LSU ASIC and PCU PWB
  Connector, harness connection trouble
  PCU PWB trouble
  LSU PWB trouble
  LSU unit trouble
• Troubleshooting Guides: Check connection state of connector, harness
  Replace PCU PWB
  Replace LSU PWB
  Replace LSU unit

• Code: E7-29
• Description: LSU ASIC frequency error
• Causes: LSU ASIC oscillator trouble
  LSU ASIC trouble
  LSU ASIC frequency error
• Troubleshooting Guides: Replace LSU PWB

• Code: E7-49
• Description: Watermark data error
• Causes: Watermark data error
  eMMC PWB trouble
• Troubleshooting Guides: SIM49-5 to execute
  Replace eMMC PWB

• Code: E7-50
• Description: PCU PWB and firmware inconsistent error
• Causes: Machine incompatible PWB and firmware
  PCU PWB trouble
  LSU unit trouble
• Troubleshooting Guides: Check firmware version
  Replace PCU PWB
  Replace LSU unit

– Sharp MXM5051 troubleshooting solutions

• Code: E7-55
• Description: PCU PWB information sum error
• Causes: Machine incompatible PWB and firmware
  PCU PWB trouble
• Troubleshooting Guides: Check firmware version
  Replace PCU PWB

• Code: E7-60
• Description: SCN MFP PWB and firmware inconsistent error
• Causes: Machine incompatible PWB and firmware
  SCN MFP PWB trouble
• Troubleshooting Guides: Check firmware version
  Replace SCN MFP PWB

• Code: E7-61
• Description: SCN MFP PWB and PCU PWB combination error
• Causes: Combination error of SCN MFP PWB and PCU PWB
  SCN MFP PWB trouble
• Troubleshooting Guides: Check combination of SCN MFP PWB and PCU PWB
  Replace SCN MFP PWB

• Code: E7-80
• Description: SCN MFP PWB, scanner communication error
• Causes: SCN MFP PWB connector, harness connection trouble
  SCN MFP PWB trouble
• Troubleshooting Guides: Check connection state of SCN MFP PWB connector, harness
  Replace SCN MFP PWB

• Code: E7-90
• Description: SCN MFP PWB, PCU PWB communication error
• Causes: SCN MFP PWB, PCU PWB connector, harness connection trouble
  SCN MFP PWB trouble
  PCU PWB trouble
  PCU PWB FLASH_DIMM connection trouble
• Troubleshooting Guides: Check connection state of SCN MFP PWB, PCU PWB connector, harness
  Replace SCN MFP PWB
  Replace PCU PWB
  Check connection state of PCU PWB FLASH_DIMM

• Code: E7-91
• Description: FAX received image data error
• Causes: Image compression data corruption
  HDD trouble
  eMMC PWB trouble
  SCN MFP PWB trouble
  FAX PWB trouble
• Troubleshooting Guides: SIM60-1 to execute
  Replace HDD
  Replace eMMC PWB
  Replace SCN MFP PWB
  Replace FAX PWB

• Code: E7-92
• Description: Copy image data error
• Causes: Image compression data corruption
  SCN MFP PWB trouble
• Troubleshooting Guides: SIM60-1 to execute
  Replace HDD
  Replace SCN MFP PWB

• Code: E7-93
• Description: Copy, image send, FAX, filing, print image data process error
• Causes: Image compression data corruption
  HDD trouble
  SCN MFP PWB trouble
• Troubleshooting Guides: SIM60-1 to execute
  Replace HDD
  Replace SCN MFP PWB

• Code: E7-94
• Description: Image data process error
• Causes: Image compression data corruption
  HDD trouble
  SCN MFP PWB trouble
• Troubleshooting Guides: SIM60-1 to execute
  Replace HDD
  Replace SCN MFP PWB

• Code: E7-96
• Description: Memory check error
• Causes: Memory contact error
  Memory trouble
  SCN MFP PWB trouble
• Troubleshooting Guides: SIM60-1 to execute
  Check memory socket
  Replace SCN MFP PWB

• Code: E7-A0
• Description: LD PWB EEPROM/LD driver read/write error
• Causes: EEPROM/LD Driver trouble
  EEPROM/LD Driver access error
• Troubleshooting Guides: Check connection state of LD PWB, LSU PWB connector, harness
  Check connection state of PCU PWB, LSU PWB
  connector, harness
  Replace PCU PWB
  Replace LSU PWB

• Code: E7-A8
• Description: eMMC PWB error
• Causes: eMMC PWB contact trouble
  eMMC PWB trouble
  SCN MFP PWB trouble
• Troubleshooting Guides: Check contact state of eMMC PWB
  Replace eMMC PWB
  Replace SCN MFP PWB

• Code: E7-C0
• Description: TPM PWB access error
• Causes: TPM PWB connection trouble
  TPM PWB used in other MFP was attached
• Troubleshooting Guides: Power OFF/ON to cancel
  Check connection state of TPM PWB connector, harness

• Code: E7-C1
• Description: Security check error
• Causes: Program error
  TPM PWB trouble
• Troubleshooting Guides: Power OFF/ON to cancel
  Check connection state of TPM PWB connector, harness

• Code: E7-C2
• Description: Firmware check sum error
• Causes: Program corruption due to storage error
  Program error
• Troubleshooting Guides: Power OFF/ON to cancel

• Code: E7-C3
• Description: Firmware error
• Causes: Program corruption due to storage error
  Program error
• Troubleshooting Guides: > When ‘ This system can boot up in CN mode, Please turn the dip-switch ON ‘ is displayed Execute firmware update in CN update function > When ‘ This system cannot boot up in any mode ‘ is displayed
  Replace eMMC PWB

• Code: EE-EC
• Description: Automatic toner density adjustment error
• Causes: Sensor (TCS) trouble
  Developping unit trouble
  PCU PWB trouble
• Troubleshooting Guides: Replace sensor (TCS)
  Replace developping unit
  Replace PCU PWB

• Code: EE-EL
• Description: Automatic toner density adjustment error (over toner)
• Causes: Sensor (TCS) trouble
  Developping unit trouble
  PCU PWB trouble
• Troubleshooting Guides: Replace sensor (TCS)
  Replace developping unit
  Replace PCU PWB

• Code: EE-EU
• Description: Automatic toner density adjustment error (under toner)
• Causes: Sensor (TCS) trouble
  Developping unit trouble
  PCU PWB trouble
• Troubleshooting Guides: Replace sensor (TCS)
  Replace developping unit
  Replace PCU PWB

• Code: F1-00
• Description: Finisher communication error
• Causes: Connector, harness connection trouble
  Finisher PWB trouble
  PCU PWB trouble
• Troubleshooting Guides: Check connection state of connector, harness
  Replace finisher PWB
  Replace PCU PWB

• Code: F1-01
• Description: Finisher jogger operation trouble (1K)
• Causes: Connector, harness connection trouble
  Sensor (JOGHPS) trouble
  Motor (JOG_M) trouble
  Finisher PWB trouble
• Troubleshooting Guides: SIM3-2 to execute
  SIM3-3 to execute
  Check connection state of connector, harness
  Replace sensor (JOGHPS)
  Replace motor (JOG_M)
  Replace finisher PWB

• Code: F1-02
• Description: Finisher entry port transport operation trouble (1K)
• Causes: Connector, harness connection trouble
  Motor (ENTRS_M) trouble
  Finisher PWB trouble
• Troubleshooting Guides: SIM3-3 to execute
  Check connection state of connector, harness
  Replace motor (ENTRS_M)
  Replace finisher PWB

• Code: F1-03
• Description: Finisher oscillation operation trouble (3K)
• Causes: Connector, harness connection trouble
  Sensor (FNHPS) trouble
  Motor (FNMS) trouble
  Finisher PWB trouble
• Troubleshooting Guides: SIM3-2 to execute
  SIM3-3 to execute
  Check connection state of connector, harness
  Replace sensor (FNHPS)
  Replace motor (FNMS)
  Replace finisher PWB

• Code: F1-04
• Description: Finisher paddle trouble (Inner)
• Causes: Connector, harness connection trouble
  Sensor (FNPS2) trouble
  Motor (FNM10) trouble
  Finisher PWB trouble
• Troubleshooting Guides: SIM3-2 to execute
  SIM3-3 to execute
  Check connection state of connector, harness
  Replace sensor (FNPS2)
  Replace motor (FNM10)
  Replace finisher PWB

• Code: F1-04
• Description: Finisher paddle trouble (3K)
• Causes: Connector, harness connection trouble
  Clutch (FNCDP) trouble
  Sensor (FNHPP) trouble
  Motor (FNME) trouble
  Finisher PWB trouble
• Troubleshooting Guides: SIM3-2 to execute
  SIM3-3 to execute
  Check connection state of connector, harness
  Replace clutch (FNCDP)
  Replace sensor (FNHPP)
  Replace motor (FNME)
  Replace finisher PWB

• Code: F1-05
• Description: Finisher return operation trouble (Inner)
• Causes: Connector, harness connection trouble
  Sensor (FNPS3) trouble
  Motor (FNM2) trouble
  Finisher PWB trouble
• Troubleshooting Guides: SIM3-2 to execute
  SIM3-3 to execute
  Check connection state of connector, harness
  Replace sensor (FNPS3)
  Replace motor (FNM2)
  Replace finisher PWB

• Code: F1-06
• Description: Finisher paper exit transport operation trouble (1K)
• Causes: Connector, harness connection trouble
  Motor (EXTRS_M) trouble
  Finisher PWB trouble
• Troubleshooting Guides: SIM3-3 to execute
  Check connection state of connector, harness
  Replace motor (EXTRS_M)
  Replace finisher PWB

• Code: F1-08
• Description: Finisher stapler shift operation trouble (Inner)
• Causes: Connector, harness connection trouble
  Sensor (FNPS11) trouble
  Motor (FNM7) trouble
  Finisher PWB trouble
• Troubleshooting Guides: SIM3-2 to execute
  SIM3-3 to execute
  Check connection state of connector, harness
  Replace sensor (FNPS11)
  Replace motor (FNM7)
  Replace finisher PWB

• Code: F1-08
• Description: Finisher stapler shift operation trouble (1K)
• Causes: Connector, harness connection trouble
  Sensor (STMHP) trouble
  Motor (STPMV_M) trouble
  Finisher PWB trouble
• Troubleshooting Guides: SIM3-2 to execute
  SIM3-3 to execute
  Check connection state of connector, harness
  Replace sensor (STMHP)
  Replace motor (STPMV_M)
  Replace finisher PWB

• Code: F1-08
• Description: Finisher stapler shift operation trouble (3K)
• Causes: Connector, harness connection trouble
  Sensor (FNHPMSS) trouble
  Motor (FNMMSS) trouble
  Finisher PWB trouble
• Troubleshooting Guides: SIM3-2 to execute
  SIM3-3 to execute
  Check connection state of connector, harness
  Replace sensor (FNHPMSS)
  Replace motor (FNMMSS)
  Replace finisher PWB

• Code: F1-10
• Description: Finisher staple operation trouble (Inner)
• Causes: Connector, harness connection trouble
  Sensor (FNSTPLHP) trouble
  Motor (FNSTPLIF) trouble
  Finisher PWB trouble
• Troubleshooting Guides: SIM3-2 to execute
  SIM3-3 to execute
  Check connection state of connector, harness
  Replace sensor (FNSTRLHP)
  Replace motor (FNSTPLIF)
  Replace finisher PWB

• Code: F1-10
• Description: Finisher staple operation trouble (1K)
• Causes: Connector, harness connection trouble
  Motor (STPMOV_M) trouble
  Finisher PWB trouble
• Troubleshooting Guides: SIM3-3 to execute
  Check connection state of connector, harness
  Replace motor (STPMOV_M)
  Replace finisher PWB

• Code: F1-10
• Description: Finisher staple operation trouble (3K)
• Causes: Connector, harness connection trouble
  Sensor (FNHPDSS) trouble
  Motor (FNMSS) trouble
  Finisher PWB trouble
• Troubleshooting Guides: SIM3-2 to execute
  SIM3-3 to execute
  Check connection state of connector, harness
  Replace sensor (FNHPDSS)
  Replace motor (FNMSS)
  Replace finisher PWB

• Code: F1-11
• Description: Finisher paper exit operation trouble (1K)
• Causes: Connector, harness connection trouble
  Sensor (BLTHPS) trouble
  Motor (BLT_M) trouble
  Finisher PWB trouble
• Troubleshooting Guides: SIM3-2 to execute
  SIM3-3 to execute
  Check connection state of connector, harness
  Replace sensor (BLTHPS)
  Replace motor (BLT_M)
  Replace finisher PWB

• Code: F1-12
• Description: Finisher proof transport operation trouble (1K)
• Causes: Connector, harness connection trouble
  Sensor (PRFEX) trouble
  Motor (UPTRS_M) trouble
  Finisher PWB trouble
• Troubleshooting Guides: SIM3-2 to execute
  SIM3-3 to execute
  Check connection state of connector, harness
  Replace sensor (PRFEX)
  Replace motor (UPTRS_M)
  Replace finisher PWB

• Code: F1-13
• Description: Finisher paper exit guide plate operation trouble (1K)
• Causes: Connector, harness connection trouble
  Sensor (EXGPLTHP) trouble
  Motor (EXGPLT_M) trouble
  Finisher PWB trouble
• Troubleshooting Guides: SIM3-2 to execute
  SIM3-3 to execute
  Check connection state of connector, harness
  Replace sensor (EXGPLTHP)
  Replace motor (EXGPLT_M)
  Replace finisher PWB

• Code: F1-14
• Description: Finisher paper rear edge flap operation trouble (3K)
• Causes: Connector, harness connection trouble
  Sensor (FNHPFR) trouble
  Motor (FNMFR) trouble
  Finisher PWB trouble
• Troubleshooting Guides: SIM3-2 to execute
  SIM3-3 to execute
  Check connection state of connector, harness
  Replace sensor (FNHPFR)
  Replace motor (FNMFR)
  Replace finisher PWB

• Code: F1-15
• Description: Finisher tray lift operation trouble (Inner)
• Causes: Connector, harness connection trouble
  Sensor (FNPS9/FNPS10) trouble
  Motor (FNM6) trouble
  Finisher PWB trouble
• Troubleshooting Guides: SIM3-2 to execute
  SIM3-3 to execute
  Check connection state of connector, harness
  Replace sensor (FNPS9/FNPS10)
  Replace motor (FNM6)
  Replace finisher PWB

• Code: F1-15
• Description: Finisher tray lift operation trouble (1K)
• Causes: Connector, harness connection trouble
  Sensor (UTRPH) trouble
  Motor (TRYLFT_M) trouble
  Finisher PWB trouble
• Troubleshooting Guides: SIM3-2 to execute
  SIM3-3 to execute
  Check connection state of connector, harness
  Replace sensor (UTRPH)
  Replace motor (TRYLFT_M)
  Replace finisher PWB

• Code: F1-15
• Description: Finisher tray lift operation trouble (3K)
• Causes: Connector, harness connection trouble
  Sensor (FNHPMT/FNULMT) trouble
  Motor (FNMGMT) trouble
  Finisher PWB trouble
• Troubleshooting Guides: SIM3-2 to execute
  SIM3-3 to execute
  Check connection state of connector, harness
  Replace sensor (FNHPMT/FNULMT)
  Replace motor (FNMGMT)
  Replace finisher PWB

• Code: F1-16
• Description: Finisher escape/saddle transport switching operation trouble (3K)
• Causes: Connector, harness connection trouble
  Sensor (FNHPFECE) trouble
  Motor (FNMFECES) trouble
  Finisher PWB trouble
• Troubleshooting Guides: SIM3-2 to execute
  SIM3-3 to execute
  Check connection state of connector, harness
  Replace sensor (FNHPFECE)
  Replace motor (FNMFECES)
  Replace finisher PWB

• Code: F1-18
• Description: Finisher paper bundle hold operation trouble (Inner)
• Causes: Connector, harness connection trouble
  Sensor (FNPS8) trouble
  Motor (FNM10) trouble
  Finisher PWB trouble
• Troubleshooting Guides: SIM3-2 to execute
  SIM3-3 to execute
  Check connection state of connector, harness
  Replace sensor (FNPS8)
  Replace motor (FNM10)
  Replace finisher PWB

• Code: F1-19
• Description: Finisher front paper alignment operation
  trouble (Inner)
• Causes: Connector, harness connection trouble
  Sensor (FNPS4) trouble
  Motor (FNM3) trouble
  Finisher PWB trouble
• Troubleshooting Guides: SIM3-2 to execute
  SIM3-3 to execute
  Check connection state of connector, harness
  Replace sensor (FNPS4)
  Replace motor (FNM3)
  Replace finisher PWB

• Code: F1-19
• Description: Finisher front paper alignment operation trouble (3K)
• Causes: Connector, harness connection trouble
  Sensor (FNHPJF) trouble
  Motor (FNMJF) trouble
  Finisher PWB trouble
• Troubleshooting Guides: SIM3-2 to execute
  SIM3-3 to execute
  Check connection state of connector, harness
  Replace sensor (FNHPJF)
  Replace motor (FNMJF)
  Replace finisher PWB

• Code: F1-20
• Description: Finisher rear paper alignment operation trouble (Inner)
• Causes: Connector, harness connection trouble
  Sensor (FNPS5) trouble
  Motor (FNM4) trouble
  Finisher PWB trouble
• Troubleshooting Guides: SIM3-2 to execute
  SIM3-3 to execute
  Check connection state of connector, harness
  Replace sensor (FNPS5)
  Replace motor (FNM4)
  Replace finisher PWB

• Code: F1-20
• Description: Finisher rear paper alignment operation trouble (3K)
• Causes: Connector, harness connection trouble
  Sensor (FNHPJR) trouble
  Motor (FNMJR) trouble
  Finisher PWB trouble
• Troubleshooting Guides: SIM3-2 to execute
  SIM3-3 to execute
  Check connection state of connector, harness
  Replace sensor (FNHPJR)
  Replace motor (FNMJR)
  Replace finisher PWB

• Code: F1-22
• Description: Finisher paper bundle exit operation trouble (Inner)
• Causes: Connector, harness connection trouble
  Sensor (FNPS7) trouble
  Motor (FNM5) trouble
  Finisher PWB trouble
• Troubleshooting Guides: SIM3-2 to execute
  SIM3-3 to execute
  Check connection state of connector, harness
  Replace sensor (FNPS7)
  Replace motor (FNM5)
  Replace finisher PWB

• Code: F1-22
• Description: Finisher paper bundle exit operation trouble (3K)
• Causes: Connector, harness connection trouble
  Sensor (FNHPAR) trouble
  Motor (FNMAR) trouble
  Finisher PWB trouble
• Troubleshooting Guides: SIM3-2 to execute
  SIM3-3 to execute
  Check connection state of connector, harness
  Replace sensor (FNHPAR)
  Replace motor (FNMAR)
  Replace finisher PWB

• Code: F1-23
• Description: Safety switch trouble (3K)
• Causes: Connector, harness connection trouble
  Sensor (FNDOCFD) trouble
  Switch (FNOCFD/FNSSS) trouble
  Finisher PWB trouble
• Troubleshooting Guides: SIM3-2 to execute
  Check connection state of connector, harness
  Replace sensor (FNDOCFD)
  Replace switch (FNOCFD/FNSSS)
  Replace finisher PWB

• Code: F1-28
• Description: Finisher stacking operation trouble (1K)
• Causes: Connector, harness connection trouble
  Sensor (HITHP) trouble
  Motor (PSN_M) trouble
  Finisher PWB trouble
• Troubleshooting Guides: SIM3-2 to execute
  SIM3-3 to execute
  Check connection state of connector, harness
  Replace sensor (HITHP)
  Replace motor (PSN_M)
  Replace finisher PWB

• Code: F1-28
• Description: Finisher stacking operation trouble (3K)
• Causes: Connector, harness connection trouble
  Sensor (FNHPGKS) trouble
  Motor (FNMGRS) trouble
  Finisher PWB trouble
• Troubleshooting Guides: SIM3-2 to execute
  SIM3-3 to execute
  Check connection state of connector, harness
  Replace sensor (FNHPGKS)
  Replace motor (FNMGRS)
  Replace finisher PWB

• Code: F1-29
• Description: Fuse blown trouble (1K)
• Causes: Over current
• Troubleshooting Guides: SIM3-2 to execute
  SIM3-3 to execute
  Check connection state of connector, harness
  Replace defective solenoid
  Replace defective motor
  Replace finisher PWB

• Code: F1-30
• Description: Finisher saddle communication error (3K)
• Causes: Firmware is not latest version
  Connector, harness connection trouble
  Finisher PWB trouble
• Troubleshooting Guides: SIM49-1 to execute
  Check connection state of connector, harness
  Replace finisher PWB

• Code: F1-31
• Description: Finisher saddle folding operation trouble (1K)
• Causes: Connector, harness connection trouble
  Motor (FLTRS_M) trouble
  Finisher PWB trouble
• Troubleshooting Guides: SIM3-3 to execute
  Check connection state of connector, harness
  Replace motor (FLTRS_M)
  Replace finisher PWB

• Code: F1-31
• Description: Finisher paper exit operation trouble (3K)
• Causes: Connector, harness connection trouble
  Motor (FNME) trouble
  Finisher PWB trouble
• Troubleshooting Guides: SIM3-3 to execute
  Check connection state of connector, harness
  Replace motor (FNME)
  Replace finisher PWB

• Code: F1-32
• Description: Finisher punch unit communication error (Inner)
• Causes: Connector, harness connection trouble
  Punch PWB trouble
  Finisher PWB trouble
• Troubleshooting Guides: Check connection state of connector, harness
  Replace punch PWB
  Replace finisher PWB

• Code: F1-32
• Description: Finisher punch unit communication error (3K)
• Causes: Firmware is not latest version
  Connector, harness connection trouble
  Punch PWB trouble
  Finisher PWB trouble
• Troubleshooting Guides: SIM49-1 to execute
  Check connection state of connector, harness
  Replace punch PWB
  Replace finisher PWB

• Code: F1-33
• Description: Finisher punch shifting operation trouble (1K)
• Causes: Connector, harness connection trouble
  Sensor (PNCHMVHP) trouble
  Motor (PNCHMV_M) trouble
  Finisher PWB trouble
• Troubleshooting Guides: SIM3-2 to execute
  SIM3-3 to execute
  Check connection state of connector, harness
  Replace sensor (PNCHMVHP)
  Replace motor (PNCHMV_M)
  Replace finisher PWB

• Code: F1-33
• Description: Finisher punch shifting operation trouble (3K)
• Causes: Connector, harness connection trouble
  Sensor (FCHPR) trouble
  Motor (FCMR) trouble
  Punch PWB trouble
  Finisher PWB trouble
• Troubleshooting Guides: SIM3-2 to execute
  SIM3-3 to execute
  Check connection state of connector, harness
  Replace sensor (FCHPR)
  Replace motor (FCMR)
  Replace punch PWB
  Replace finisher PWB

• Code: F1-34
• Description: Finisher punch operation trouble (Inner)
• Causes: Connector, harness connection trouble
  Sensor (FCPI_S) trouble
  Motor (FCMOT) trouble
  Finisher PWB trouble
• Troubleshooting Guides: SIM3-2 to execute
  SIM3-3 to execute
  Check connection state of connector, harness
  Replace sensor (FCPI_S)
  Replace motor (FCMOT)
  Replace finisher PWB

• Code: F1-34
• Description: Finisher punch operation trouble (1K)
• Causes: Connector, harness connection trouble
  Sensor (PNCHHP/PNCHMVHP) trouble
  Motor (PNCH_M) trouble
  Finisher PWB trouble
• Troubleshooting Guides: SIM3-2 to execute
  SIM3-3 to execute
  Check connection state of connector, harness
  Replace sensor (PNCHHP/PNCHMVHP)
  Replace motor (PNCH_M)
  Replace finisher PWB

• Code: F1-34
• Description: Finisher punch operation trouble (3K)
• Causes: Connector, harness connection trouble
  Sensor (FCHPP) trouble
  Motor (FCP) trouble
  Punch PWB trouble
  Finisher PWB trouble
• Troubleshooting Guides: SIM3-2 to execute
  SIM3-3 to execute
  Check connection state of connector, harness
  Replace sensor (FCHPP)
  Replace motor (FCP)
  Replace punch PWB
  Replace finisher PWB

• Code: F1-35
• Description: Finisher punch registration operation trouble (1K)
• Causes: Connector, harness connection trouble
  Sensor (PAPPOS/PAPPOSHP) trouble
  Motor (STSMOV_M) trouble
  Finisher PWB trouble
• Troubleshooting Guides: SIM3-2 to execute
  SIM3-3 to execute
  Check connection state of connector, harness
  Replace sensor (PAPPOS/PAPPOSHP)
  Replace motor (STSMOV_M)
  Replace finisher PWB

• Code: F1-37
• Description: Finisher backup memory error (Inner)
• Causes: Malfunction due to noises
  Finisher PWB trouble
• Troubleshooting Guides: Replace finisher PWB

• Code: F1-37
• Description: Finisher backup memory error (3K)
• Causes: Finisher PWB trouble
• Troubleshooting Guides: Power OFF/ON to cancel
  Replace finisher PWB

• Code: F1-38
• Description: Finisher punch backup memory error (Inner)
• Causes: Malfunction due to noises
  Punch PWB trouble
• Troubleshooting Guides: Set punch specification
  Replace punch PWB

• Code: F1-38
• Description: Finisher punch backup memory error (3K)
• Causes: Punch PWB trouble
• Troubleshooting Guides: Power OFF/ON to cancel
  Replace punch PWB

• Code: F1-41
• Description: Finisher saddle paper positioning operation trouble (1K)
• Causes: Connector, harness connection trouble
  Sensor (ENDSHP) trouble
  Motor (ENDS_M) trouble
  Finisher PWB trouble
• Troubleshooting Guides: SIM3-2 to execute
  SIM3-3 to execute
  Check connection state of connector, harness
  Replace sensor (ENDSHP)
  Replace motor (ENDS_M)
  Replace finisher PWB

• Code: F1-41
• Description: Finisher saddle paper positioning operation trouble (3K)
• Causes: Connector, harness connection trouble
  Sensor (FSHPSR) trouble
  Motor (FSMSR) trouble
  Finisher PWB trouble
• Troubleshooting Guides: SIM3-2 to execute
  SIM3-3 to execute
  Check connection state of connector, harness
  Replace sensor (FSHPSR)
  Replace motor (FSMSR)
  Replace finisher PWB

• Code: F1-42
• Description: Finisher saddle switching operation trouble (3K)
• Causes: Connector, harness connection trouble
  Sensor (FSHPEL) trouble
  Motor (FSMDLE) trouble
  Finisher PWB trouble
• Troubleshooting Guides: SIM3-2 to execute
  SIM3-3 to execute
  Check connection state of connector, harness
  Replace sensor (FSHPEL)
  Replace motor (FSMDLE)
  Replace finisher PWB

• Code: F1-43
• Description: Finisher saddle alignment operation trouble (3K)
• Causes: Connector, harness connection trouble
  Sensor (FSHPJ) trouble
  Motor (FSMJ) trouble
  Finisher PWB trouble
• Troubleshooting Guides: SIM3-2 to execute
  SIM3-3 to execute
  Check connection state of connector, harness
  Replace sensor (FSHPJ)
  Replace motor (FSMJ)
  Replace finisher PWB

• Code: F1-44
• Description: Finisher saddle gripper operation trouble (3K)
• Causes: Connector, harness connection trouble
  Sensor (FSHPG) trouble
  Motor (FSMG) trouble
  Finisher PWB trouble
• Troubleshooting Guides: SIM3-2 to execute
  SIM3-3 to execute
  Check connection state of connector, harness
  Replace sensor (FSHPG)
  Replace motor (FSMG)
  Replace finisher PWB

• Code: F1-45
• Description: Finisher saddle staple operation trouble (3K)
• Causes: Connector, harness connection trouble
  Sensor (FSHPDSS) trouble
  Motor (FSMS) trouble
  Finisher PWB trouble
• Troubleshooting Guides: SIM3-2 to execute
  SIM3-3 to execute
  Check connection state of connector, harness
  Replace sensor (FSHPDSS)
  Replace motor (FSMS)
  Replace finisher PWB

• Code: F1-46
• Description: Finisher saddle folding operation trouble (1K)
• Causes: Connector, harness connection trouble
  Sensor (FLDPLTHP) trouble
  Motor (FLDPLT_M) trouble
  Finisher PWB trouble
• Troubleshooting Guides: SIM3-2 to execute
  SIM3-3 to execute
  Check connection state of connector, harness
  Replace sensor (FLDPLTHP)
  Replace motor (FLDPLT_M)
  Replace finisher PWB

• Code: F1-46
• Description: Finisher saddle folding operation trouble (3K)
• Causes: Connector, harness connection trouble
  Sensor (FSMCF) trouble
  Motor (FSMF) trouble
  Finisher PWB trouble
• Troubleshooting Guides: SIM3-2 to execute
  SIM3-3 to execute
  Check connection state of connector, harness
  Replace sensor (FSMCF)
  Replace motor (FSMF)
  Replace finisher PWB

• Code: F1-47
• Description: Finisher saddle paper transport operation trouble (3K)
• Causes: Connector, harness connection trouble
  Sensor (FSHPP) trouble
  Motor (FSMC) trouble
  Finisher PWB trouble
• Troubleshooting Guides: SIM3-2 to execute
  SIM3-3 to execute
  Check connection state of connector, harness
  Replace sensor (FSHPP)
  Replace motor (FSMC)
  Replace finisher PWB

• Code: F1-48
• Description: Finisher bundle transport upper pressure release / reference fence escape motor trouble (1K)
• Causes: Connector, harness connection trouble
  Sensor (UPRSRLHP) trouble
  Motor (UPRSRL_M) trouble
  Finisher PWB trouble
• Troubleshooting Guides: SIM3-2 to execute
  SIM3-3 to execute
  Check connection state of connector, harness
  Replace sensor (UPRSRLHP)
  Replace motor (UPRSRL_M)
  Replace finisher PWB

• Code: F1-49
• Description: Finisher bundle transport lower pressure release motor trouble (1K)
• Causes: Connector, harness connection trouble
  Sensor (LPRSRLHP) trouble
  Motor (LPRSRL_M) trouble
  Finisher PWB trouble
• Troubleshooting Guides: SIM3-2 to execute
  SIM3-3 to execute
  Check connection state of connector, harness
  Replace sensor (LPRSRLHP)
  Replace motor (LPRSRL_M)
  Replace finisher PWB

• Code: F1-50
• Description: Finisher – Main machine incompatible error
• Causes: Improper combination between main machine and finisher
  Finisher PWB trouble
• Troubleshooting Guides: Install finisher which is proper for main machine
  Replace finisher PWB

• Code: F1-51
• Description: Finisher communication error (3K)
• Causes: Firmware is not latest version
  Finisher PWB trouble
• Troubleshooting Guides: SIM49-1 to execute
  Replace finisher PWB

• Code: F1-53
• Description: Finisher – Main machine inconsistent error
• Causes: Firmware is not latest version
  Finisher PWB trouble
• Troubleshooting Guides: SIM49-1 to execute
  Replace finisher PWB

• Code: F1-54
• Description: Finisher punch unit destination inconsistent error (Inner) (3K)
• Causes: Improper destination setting of punch unit
• Troubleshooting Guides: Set proper destination of punch unit

• Code: F1-55
• Description: Finisher firmware inconsistent error
• Causes: Finisher firmware inconsistency
• Troubleshooting Guides: SIM49-1 to execute

• Code: F1-78
• Description: Finisher eco staple operation trouble (Inner)
• Causes: Connector, harness connection trouble
  Sensor (FNPS15) trouble
  Motor (FNM9) trouble
  Finisher PWB trouble
• Troubleshooting Guides: SIM3-2 to execute
  SIM3-3 to execute
  Check connection state of connector, harness
  Replace sensor (FNPS15)
  Replace motor (FNM9)
  Replace finisher PWB

• Code: F1-78
• Description: Finisher staple free stapler operation trouble (3K)
• Causes: Connector, harness connection trouble
  Sensor (FNMCSLS) trouble
  Motor (FNMSLS) trouble
  Finisher PWB trouble
• Troubleshooting Guides: SIM3-2 to execute
  SIM3-3 to execute
  Check connection state of connector, harness
  Replace sensor (FNMCSLS)
  Replace motor (FNMSLS)
  Replace finisher PWB

• Code: F1-83
• Description: Finisher guide operation trouble (3K)
• Causes: Connector, harness connection trouble
  Motor (FNMDT) trouble
  Finisher PWB trouble
• Troubleshooting Guides: SIM3-3 to execute
  Check connection state of connector, harness
  Replace motor (FNMDT)
  Replace finisher PWB

• Code: F1-89
• Description: Finisher shift operation trouble (1K)
• Causes: Connector, harness connection trouble
  Sensor (SFTROLHP) trouble
  Motor (SFT_M) trouble
  Finisher PWB trouble
• Troubleshooting Guides: SIM3-2 to execute
  SIM3-3 to execute
  Check connection state of connector, harness
  Replace sensor (SFTROLHP)
  Replace motor (SFT_M)
  Replace finisher PWB

• Code: F2-22
• Description: Discharge lamp trouble
• Causes: Connector, harness connection trouble
  Discharge lamp trouble
  PCU PWB trouble
• Troubleshooting Guides: Check connection state of connector, harness
  Replace discharge lamp
  Replace PCU PWB

• Code: F2-39
• Description: Temperature sensor error
• Causes: Connector, harness connection trouble
  Sensor (TH/HUD) trouble
  PCU PWB trouble
• Troubleshooting Guides: Check connection state of connector, harness
  Replace sensor (TH/HUD)
  Replace PCU PWB

• Code: F2-40
• Description: Toner density error
• Causes: Connector, harness connection trouble
  DV unit trouble
  Sensor (TCS) trouble
  PCU PWB trouble
• Troubleshooting Guides: Check connection state of connector, harness
  Replace DV unit
  Replace sensor (TCS)
  Replace PCU PWB

• Code: F2-58
• Description: Humidity sensor error
• Causes: Connector, harness connection trouble
  Sensor (TH/HUD) trouble
  PCU PWB trouble
• Troubleshooting Guides: Check connection state of connector, harness
  Replace sensor (TH/HUD)
  Replace PCU PWB

• Code: F2-64
• Description: Toner supply trouble
• Causes: Connector, harness connection trouble
  DV unit trouble
  Toner cartridge trouble
  Toner transport pipe section trouble
  Sensor (TCS) trouble
  Motor (TNM) trouble
  PCU PWB trouble
• Troubleshooting Guides: Check connection state of connector, harness
  Replace DV unit
  Replace toner cartridge
  Check transport pipe section
  Replace sensor (TCS)
  Replace motor (TNM)
  Replace PCU PWB

• Code: F2-70
• Description: Improper toner cartridge detection
• Causes: Improper toner cartridge is inserted
  Toner cartridge trouble
  PCU PWB trouble
• Troubleshooting Guides: Replace toner cartrisge
  Replace PCU PWB

• Code: F2-74
• Description: Toner cartridge error
• Causes: Connector, harness connection trouble
  Toner cartridge trouble
  PCU PWB trouble
• Troubleshooting Guides: Check connection state of connector, harness
  Replace sensor (TH/HUD)
  Replace PCU PWB

• Code: F2-78
• Description: Image density sensor error
• Causes: Connector, harness connection trouble
  Sensor (PCS) dirt or trouble
  PCU PWB trouble
• Troubleshooting Guides: Check connection state of connector, harness
  Clean sensor (PCS) or replace
  Replace PCU PWB

• Code: F3-12
• Description: Paper feed tray 1 lift operation trouble
• Causes: Connector, harness connection trouble
  Lift unit trouble
  Sensor (C1LUD) trouble
  Motor (C1LUM) trouble
  PCU PWB trouble
• Troubleshooting Guides: Check connection state of connector, harness
  Replace lift unit
  Replace sensor (C1LUD)
  Replace motor (C1LUM)
  Replace PCU PWB

• Code: F3-22
• Description: Paper feed tray2 lift operation trouble
• Causes: Connector, harness connection trouble
  Lift unit trouble
  Sensor (C2LUD) trouble
  Motor (C2LUM) trouble
  PCU PWB trouble
• Troubleshooting Guides: Check connection state of connector, harness
  Replace lift unit
  Replace sensor (C2LUD)
  Replace motor (C2LUM)
  Replace PCU PWB

• Code: F6-00
• Description: SCN MFP PWB – FAX communication error
• Causes: Connector, harness connection trouble
  FAX PWB trouble
• Troubleshooting Guides: Check connection state of connector, harness
  Replace FAX PWB

• Code: F6-01
• Description: FAX EEPROM read/write error
• Causes: FAX EEPROM trouble
  FAX EEPROM access trouble
• Troubleshooting Guides: SIM66-3 to execute
  Replace FAX EEPROM
  Replace FAX PWB

• Code: F6-02
• Description: FAX power supply trouble
• Causes: Connector, harness connection trouble
  DC PWB trouble
  SCN MFP PWB trouble
  FAX PWB trouble
• Troubleshooting Guides: Check connection state of connector, harness
  Replace DC PWB
  Replace SCN MFP PWB
  Replace FAX PWB

• Code: F6-04
• Description: FAX modem operation trouble
• Causes: FAX modem chip operation trouble
• Troubleshooting Guides: Replace FAX PWB

• Code: F6-21
• Description: Improper combination of TEL/LIU PWB and FAX soft switch inconsistent error
• Causes: Improper destination of TEL/LIU PWB
  TEL/LIU PWB trouble
• Troubleshooting Guides: Check proper destination of TEL/LIU PWB
  Replace TEL/LIU PWB

• Code: F6-30
• Description: FAX power controller access error
• Causes: FAX power controller access trouble
  FAX power controller circuit trouble
• Troubleshooting Guides: SIM66-42 to execute
  Replace FAX PWB

• Code: F6-97
• Description: FAX and main machine inconsistent error
• Causes: Improper FAX PWB
  FAX PWB trouble
• Troubleshooting Guides: Replace FAX PWB

• Code: F6-98
• Description: FAX and main machine destination inconsistent error
• Causes: Main machine and FAX destination inconsistency
• Troubleshooting Guides: SIM26-6 to execute
  Check FAX destination

• Code: H2-00
• Description: Thermistor open trouble (TH_UM_AD2)
• Causes: Thermistor connector, harness connection trouble
  Fusing section connector connection trouble
  Thermistor trouble
  PCU PWB trouble
  AC PWB trouble
  Fusing unit not installed
• Troubleshooting Guides: SIM44-14 to execute
  Check connection state of thermistor connector, harness
  Check connection state of fusing section connector
  Replace thermistor
  Replace PCU PWB
  Replace AC PWB trouble
  Check fusing unit installed

• Code: H2-02
• Description: Thermistor open trouble (TH_US)
• Causes: Thermistor connector, harness connection trouble
  Fusing section connector connection trouble
  Thermistor trouble
  PCU PWB trouble
  AC PWB trouble
  Fusing unit not installed
• Troubleshooting Guides: SIM44-14 to execute
  Check connection state of thermistor connector, harness
  Check connection state of fusing section connector
  Replace thermistor
  Replace PCU PWB
  Replace AC PWB trouble
  Check fusing unit installed

• Code: H2-03
• Description: Thermistor open trouble (TH_UM_AD1)
• Causes: Thermistor connector, harness connection trouble
  Fusing section connector connection trouble
  Thermistor trouble
  PCU PWB trouble
  Fusing unit not installed
  Fusing unit trouble
• Troubleshooting Guides: SIM44-14 to execute
  Check connection state of thermistor connector, harness
  Check connection state of fusing section connector
  Replace thermistor
  Replace PCU PWB
  Check fusing unit installed
  Replace fusing unit

• Code: H2-06
• Description: Thermistor open trouble (TH_US2)
• Causes: Thermistor connector, harness connection trouble
  Fusing section connector connection trouble
  Thermistor trouble
  PCU PWB trouble
  AC PWB trouble
  Fusing unit not installed
• Troubleshooting Guides: SIM44-14 to execute
  Check connection state of thermistor connector, harness
  Check connection state of fusing section connector
  Replace thermistor
  Replace PCU PWB
  Replace AC PWB trouble
  Check fusing unit installed

• Code: H3-00
• Description: Fusing section high temperature error (TH_UM)
• Causes: Thermistor connector, harness connection trouble
  Thermistor trouble
  PCU PWB trouble
  AC PWB trouble
• Troubleshooting Guides: SIM44-14 to execute
  SIM5-2 to execute
  Check connection state of thermistor connector, harness
  Replace thermistor
  Replace PCU PWB
  Replace AC PWB
  SIM14 to cancel

• Code: H3-02
• Description: Fusing section high temperature error (TH_US)
• Causes: Thermistor connector, harness connection trouble
  Thermistor trouble
  PCU PWB trouble
  AC PWB trouble
• Troubleshooting Guides: SIM44-14 to execute
  SIM5-2 to execute
  Check connection state of thermistor connector, harness
  Replace thermistor
  Replace PCU PWB
  Replace AC PWB
  SIM14 to cancel

• Code: H4-00
• Description: Fusing section low temperature error (TH_UM)
• Causes: Thermistor connector, harness connection trouble
  Thermistor trouble
  Heater lamp trouble
  PCU PWB trouble
  Thermostat trouble
  AC PWB trouble
• Troubleshooting Guides: SIM44-14 to execute
  SIM5-2 to execute
  Check connection state of thermistor connector, harness
  Replace thermistor
  Replace heater lamp
  Replace PCU PWB
  Replace thermostat
  Replace AC PWB
  SIM14 to cancel

• Code: H4-02
• Description: Fusing section low temperature error (TH_US)
• Causes: Thermistor connector, harness connection trouble
  Thermistor trouble
  Heater lamp trouble
  PCU PWB trouble
  Thermostat trouble
  AC PWB trouble
• Troubleshooting Guides: SIM44-14 to execute
  SIM5-2 to execute
  Check connection state of thermistor connector, harness
  Replace thermistor
  Replace heater lamp
  Replace PCU PWB
  Replace thermostat
  Replace AC PWB
  SIM14 to cancel

• Code: H4-30
• Description: Thermistor input error (TH_UM)
• Causes: Thermistor connector, harness connection trouble
  Thermistor trouble
  Heater lamp trouble
  PCU PWB trouble
• Troubleshooting Guides: SIM5-2 to execute
  Check connection state of thermistor connector, harness
  Replace thermistor
  Replace heater lamp
  Replace PCU PWB
  SIM14 to cancel

• Code: H5-01
• Description: 5 times continuous POD1 not reached jam
• Causes: Fusing jam was not canceles completely (jam paper remains)
  Fusing unit installation trouble
  Fusing unit, drive section trouble
  Sensor (POD1) connector, harness connection trouble
  Sensor (POD1) trouble
  PCU PWB trouble
• Troubleshooting Guides: Check fusing unit installed
  Check fusing drive section
  Check connection state of sensor (POD1) connector, harness
  Replace sensor (POD1)
  Replace PCU PWB
  Replace fusing unit
  SIM14 to cancel

• Code: H7-10
• Description: Recovery error from fuser low temperature (TH_UM)
• Causes: Thermistor connector, harness connection trouble
  Thermistor trouble
  Heater lamp trouble
  PCU PWB trouble
  Thermostat trouble
  AC PWB trouble
• Troubleshooting Guides: SIM5-2 to execute
  Check connection state of thermistor connector, harness
  Replace thermistor
  Replace heater lamp
  Replace PCU PWB
  Replace thermostat
  Replace AC PWB

• Code: H7-12
• Description: Recovery error from fuser low temperature (TH_US)
• Causes: Thermistor connector, harness connection trouble
  Thermistor trouble
  Heater lamp trouble
  PCU PWB trouble
  Thermostat trouble
  AC PWB trouble
• Troubleshooting Guides: SIM5-2 to execute
  Check connection state of thermistor connector, harness
  Replace thermistor
  Replace heater lamp
  Replace PCU PWB
  Replace thermostat
  Replace AC PWB

• Code: L1-00
• Description: Scanner feed trouble
• Causes: Connector, harness connection trouble
  Scanner unit trouble
  Sensor (MHPS) trouble
  Motor (MIM) trouble
  SCN MFP PWB trouble
• Troubleshooting Guides: SIM1-1 to execute
  Check connection state of connector, harness
  Replace scanner unit
  Replace sensor (MHPS)
  Replace motor (MIM)
  Replace SCN MFP PWB

• Code: L3-00
• Description: Scanner return trouble
• Causes: Connector, harness connection trouble
  Scanner unit trouble
  Sensor (MHPS) trouble
  Motor (MIM) trouble
  SCN MFP PWB trouble
• Troubleshooting Guides: SIM1-1 to execute
  Check connection state of connector, harness
  Replace scanner unit
  Replace sensor (MHPS)
  Replace motor (MIM)
  Replace SCN MFP PWB

• Code: L4-02
• Description: Paper feed motor trouble
• Causes: Connector, harness connection trouble
  Motor (CPFM) trouble
  PCU PWB trouble
• Troubleshooting Guides: SIM6-1 to execute
  Check connection state of connector, harness
  Replace motor (CPFM)
  Replace PCU PWB

• Code: L4-03
• Description: Fusing motor trouble
• Causes: Connector, harness connection trouble
  Motor (FUM) trouble
  PCU PWB trouble
• Troubleshooting Guides: SIM6-1 to execute
  Check connection state of connector, harness
  Replace motor (FUM)
  Replace PCU PWB

• Code: L4-09
• Description: Registration motor trouble
• Causes: Connector, harness connection trouble
  Motor (RRM) trouble
  PCU PWB trouble
• Troubleshooting Guides: SIM6-1 to execute
  Check connection state of connector, harness
  Replace motor (RRM)
  Replace PCU PWB

• Code: L4-11
• Description: Offset motor trouble
• Causes: Connector, harness connection trouble
  Motor (OSM) trouble
  Sensor (SHPOS) trouble
  PCU PWB trouble
• Troubleshooting Guides: SIM6-1 to execute
  SIM30-1 to execute
  Check connection state of connector, harness
  Replace motor (OSM)
  Replace sensor (SHPOS)
  Replace PCU PWB

• Code: L4-16
• Description: Fusing pressure release trouble
• Causes: Connector, harness connection trouble
  Pressure release drive gear and idle gear trouble
  Motor (PRM) trouble
  Sensor (HLPCD) trouble
  PCU PWB trouble
• Troubleshooting Guides: Check connection state of connector, harness
  Replace pressure release drive gear and idle gear
  Replace motor (PRM)
  Replace sensor (HLPCD)
  Replace PCU PWB

• Code: L4-17
• Description: Drum motor trouble
• Causes: Connector, harness connection trouble
  Motor (DM) trouble
  PCU PWB trouble
• Troubleshooting Guides: SIM25-1 to execute
  Check connection state of connector, harness
  Replace motor (DM)
  Replace PCU PWB

• Code: L4-32
• Description: Power supply fan 1 trouble
• Causes: Connector, harness connection trouble
  Fan (PSFM1) trouble
  PCU PWB trouble
• Troubleshooting Guides: SIM6-2 to execute
  Check connection state of connector, harness
  Replace fan (PSFM1)
  Replace PCU PWB

• Code: L4-39
• Description: Paper exit fan 1 trouble
• Causes: Connector, harness connection trouble
  Fan (POFM1) trouble
  PCU PWB trouble
• Troubleshooting Guides: SIM6-2 to execute
  Check connection state of connector, harness
  Replace fan (POFM1)
  Replace PCU PWB

• Code: L4-43
• Description: Paper exit fan 2 trouble
• Causes: Connector, harness connection trouble
  Fan (POFM2) trouble
  PCU PWB trouble
• Troubleshooting Guides: SIM6-2 to execute
  Check connection state of connector, harness
  Replace fan (POFM2)
  Replace PCU PWB

• Code: L4-50
• Description: Process fan 1 trouble
• Causes: Connector, harness connection trouble
  Fan (PROFM1) trouble
  PCU PWB trouble
• Troubleshooting Guides: SIM6-2 to execute
  Check connection state of connector, harness
  Replace fan (PROFM1)
  Replace PCU PWB

• Code: L4-51
• Description: Process fan 2 trouble
• Causes: Connector, harness connection trouble
  Fan (PROFM2) trouble
  PCU PWB trouble
• Troubleshooting Guides: SIM6-2 to execute
  Check connection state of connector, harness
  Replace fan (PROFM2)
  Replace PCU PWB

• Code: L4-75
• Description: Paper exit motor trouble
• Causes: Connector, harness connection trouble
  Motor (POM) trouble
  PCU PWB trouble
• Troubleshooting Guides: SIM6-1 to execute
  Check connection state of connector, harness
  Replace motor (POM)
  Replace PCU PWB

• Code: L4-76
• Description: Reverse motor trouble
• Causes: Connector, harness connection trouble
  Motor (SBM) trouble
  PCU PWB trouble
• Troubleshooting Guides: SIM6-1 to execute
  Check connection state of connector, harness
  Replace motor (SBM)
  Replace PCU PWB

• Code: L4-77
• Description: ADU motor 1 trouble
• Causes: Connector, harness connection trouble
  Motor (ADUM1) trouble
  PCU PWB trouble
• Troubleshooting Guides: SIM6-1 to execute
  Check connection state of connector, harness
  Replace motor (ADUM1)
  Replace PCU PWB

• Code: L4-78
• Description: ADU motor 2 trouble
• Causes: Connector, harness connection trouble
  Motor (ADUM2) trouble
  PCU PWB trouble
• Troubleshooting Guides: SIM6-1 to execute
  Check connection state of connector, harness
  Replace motor (ADUM2)
  Replace PCU PWB

• Code: L4-79
• Description: Transport motor trouble
• Causes: Connector, harness connection trouble
  Motor (PFM) trouble
  PCU PWB trouble
• Troubleshooting Guides: SIM6-1 to execute
  Check connection state of connector, harness
  Replace motor (PFM)
  Replace PCU PWB

• Code: L6-10
• Description: Polygon motor trouble
• Causes: Connector, harness connection trouble
  Motor (PGM) trouble
  LSU PWB trouble
• Troubleshooting Guides: SIM6-1 to execute
  Check connection state of connector, harness
  Replace motor (PGM)
  Replace LSU PWB
  Replace LSU unit

• Code: L8-01
• Description: Full wave signal detection error
• Causes: Connector, harness connection trouble
  Power supply unit trouble
  PCU PWB trouble
• Troubleshooting Guides: Check connection state of connector, harness
  Replace power supply unit
  Replace PCU PWB

• Code: L8-02
• Description: Full wave signal error
• Causes: Connector, harness connection trouble
  Power supply unit trouble
  PCU PWB trouble
• Troubleshooting Guides: Check connection state of connector, harness
  Replace power supply unit
  Replace PCU PWB

• Code: L8-03
• Description: Abnormal voltage input error
• Causes: Connector, harness connection trouble
  AC MONITOR PWB trouble
  PCU PWB trouble
  Abnormal voltage input error
• Troubleshooting Guides: Check connection state of connector, harness
  Replace AC MONITOR PWB
  Replace PCU PWB
  Check voltage at AC power socket

• Code: L8-20
• Description: Power controller communication error
• Causes: SCN MFP PWB trouble
• Troubleshooting Guides: Replace SCN MFP PWB

• Code: U1-01
• Description: Battery trouble
• Causes: Battery life
  Battery circuit trouble
• Troubleshooting Guides: Check battery voltage is 2.5V or above
  Replace battery

• Code: U2-00
• Description: MFP EEPROM read/write error
• Causes: EEPROM trouble
  EEPROM socket contact trouble
  Strong external noises
• Troubleshooting Guides: Check power environment
  Replace EEPROM
  Replace SCN MFP PWB

• Code: U2-05
• Description: Erroneous detection of account management data/internal authentication DB table error
• Causes: Authentication table error If frequent occurrence of this error is found, the following devices may possibly be damaged
  HDD/mSATA SSD/eMMC PWB trouble
  SCN MFP PWB trouble
• Troubleshooting Guides: Replace HDD/mSATA SSD/eMMC PWB
  Replace SCN MFP PWB

• Code: U2-11
• Description: MFP EEPROM counter check sum error
• Causes: EEPROM trouble
  EEPROM soket contact trouble
  Strong external noises
• Troubleshooting Guides: Replace SCN MFP PWB
  SIM16 to cancel

• Code: U2-30
• Description: SCN MFP PWB and PCU PWB data inconsistency
• Causes: When replacing SCN MFP PWB or PCU PWB, EEPROM which was mounted on PWB before replacement is not mounted on new PWB
  Replace SCN MFP PWB
  Replace PCU PWB
• Troubleshooting Guides: Check EEPROM is properly set
  Replace SCN MFP PWB
  Replace PCU PWB

• Code: U2-40
• Description: eMMC PWB system storage data area error
• Causes: eMMC PWB system storage data area error
• Troubleshooting Guides: Power OFF/ON and backup data is written into eMMC PWB and machine is automatically booted

• Code: U2-41
• Description: HDD/mSATA SSD storage data area error
• Causes: File error occurs saved data area, disabling backup of saved file of machine adjustment value in mSATA SSD
• Troubleshooting Guides: Power OFF/ON to cancel
  Replace HDD/mSATA SSD
  SIM62 to execute HDD format
  SIM16 to cancel

• Code: U2-42
• Description: Machine adjustment data error
• Causes: Saved file of machine adjustment value in eMMC PWB and system saved data in HDD/mSATA SSD error
• Troubleshooting Guides: Perform backup of eMMC PWB, mSATA SSD and HDD
  Replace HDD/mSATA SSD
  SIM62 to execute HDD format
  Ajust machine again and set adjustment values

• Code: U2-50
• Description: User authentication data check sum error
• Causes: HDD trouble
  SCN MFP PWB trouble
  Strong external noises
• Troubleshooting Guides: Check data related to check sum error (address book, image send system registration data) and register again
  Replace HDD
  Replace SCN MFP PWB
  SIM16 to cancel

• Code: U2-60
• Description: Watermark check error
• Causes: Watermark data trouble
  eMMC PWB trouble
• Troubleshooting Guides: SIM49-7 to execute
  Replace eMMC PWB

• Code: U2-70
• Description: OCR dictionary check error
• Causes: OCR dictionary data trouble
• Troubleshooting Guides: SIM49-7 to execute

• Code: U2-71
• Description: Audio IC error
• Causes: Audio IC trouble
  SCN MFP PWB trouble
• Troubleshooting Guides: Replace SCN MFP PWB

• Code: U2-72
• Description: Sound data check error
• Causes: Sound data trouble
• Troubleshooting Guides: SIM49-7 to execute

• Code: U2-73
• Description: NFC tag error
• Causes: Connector, harness connection trouble
  NFC HOME KEY PWB trouble (for MX-Mxx71 series)
  HOME KEY PWB trouble (for MX-Mxx51 series)
  SCN MFP PWB trouble
• Troubleshooting Guides: Check connection state of connector, harness
  Replace NFC HOME KEY PWB (for MX-Mxx71 series)
  Replace HOME KEY PWB (for MX-Mxx51 series)
  Replace SCN MFP PWB

• Code: U2-74
• Description: Recovery data error
• Causes: Data corruption due to storage error
  Data abnormality
• Troubleshooting Guides: SIM49-1 to execute

• Code: U2-80
• Description: SCN EEPROM read/write error
• Causes: EEPROM socket contact trouble
  EEPROM trouble
  SCN MFP PWB trouble
• Troubleshooting Guides: Check contact of EEPROM socket
  Replace EEPROM
  Replace SCN MFP PWB
  SIM16 to cancel

• Code: U2-81
• Description: SCN EEPROM check sum error
• Causes: EEPROM socket contact trouble
  EEPROM trouble
  SCN MFP PWB trouble
• Troubleshooting Guides: Check contact of EEPROM socket
  Replace EEPROM
  Replace SCN MFP PWB
  SIM16 to cancel

• Code: U2-90
• Description: PCU EEPROM read/write error
• Causes: EEPROM socket contact trouble
  EEPROM trouble
  PCU PWB trouble
• Troubleshooting Guides: Check contact of EEPROM socket
  Check SIM adjustment values of engine and adjust again
  if they are improper
  Replace EEPROM
  Replace PCU PWB
  SIM16 to cancel

• Code: U2-91
• Description: PCU EEPROM check sum error
• Causes: EEPROM socket contact trouble
  Replace EEPROM
  Replace PCU PWB
• Troubleshooting Guides: Check contact of EEPROM socket
  Replace EEPROM
  Replace PCU PWB
  SIM16 to cancel

• Code: U5-00
• Description: SPF communication error
• Causes: Malfunction due to noises
  Connector, harness connection trouble
  DSPF PWB trouble
• Troubleshooting Guides: Power OFF/ON to cancel
  Check connection state of connector, harness
  Replace DSPF PWB

• Code: U5-16
• Description: SPF fan trouble
• Causes: Connector, harness connection trouble
• Troubleshooting Guides: SIM2-3 to execute
  Check connection state of connector, harness
  Replace fan (SPFFAN)

• Code: U5-20
• Description: SPF transport trouble
• Causes: Connector, harness connection trouble
  Motor (SPFM) trouble
• Troubleshooting Guides: SIM2-3 to execute
  Check connection state of connector, harness
  Replace motor (SPFM)

• Code: U5-30
• Description: SPF document feed tray lift up trouble
• Causes: Lift up trouble is detected 5 times continuously
  Connector, harness connection trouble
  Sensor (STLD/STUD) trouble
  DSPF PWB trouble
• Troubleshooting Guides: Check connection state of connector, harness
  Replace sensor (STLD/STUD)
  Replace DSPF PWB

• Code: U5-31
• Description: SPF document feed tray lift down trouble
• Causes: Lift down trouble is not detected within specified time
  Connector, harness connection trouble
  Sensor (STLD/STUD) trouble
  DSPF PWB trouble
• Troubleshooting Guides: Check connection state of connector, harness
  Replace sensor (STLD/STUD)
  Replace DSPF PWB

• Code: U6-00
• Description: PCU PWB – Paper feed desk communication error
• Causes: Malfunction due to noises
  Connector, harness connection trouble
  Desk control PWB trouble
  PCU PWB trouble
• Troubleshooting Guides: Power OFF/ON to cancel
  Check connection state of connector, harness
  Replace desk control PWB
  Replace PCU PWB

• Code: U6-01
• Description: Paper feed tray3 lift operation trouble
• Causes: Connector, harness connection trouble
  Sensor (D1LUD) trouble
  Desk control PWB trouble
  Lift unit trouble
  PCU PWB trouble
• Troubleshooting Guides: Check connection state of connector, harness
  Replace sensor (D1LUD)
  Replace desk control PWB
  Replace lift unit
  Replace PCU PWB

• Code: U6-02
• Description: Paper feed tray4 lift operation trouble
• Causes: Connector, harness connection trouble
  Sensor (D2LUD) trouble
  Desk control PWB trouble
  Lift unit trouble
  PCU PWB trouble
• Troubleshooting Guides: Check connection state of connector, harness
  Replace sensor (D2LUD)
  Replace desk control PWB
  Replace lift unit
  Replace PCU PWB

• Code: U6-09
• Description: LCC lift trouble
• Causes: Lift mechanism trouble
  Sensor (LRE) trouble
  Motor (LLM) trouble
  LCC main PWB trouble
• Troubleshooting Guides: SIM4-2, 4-3 to execute
  Check lift unit
  Replace sensor (LRE)
  Replace motor (LLM)
  Replace LCC main PWB

• Code: U6-10
• Description: Desk paper transport trouble
• Causes: Connector, harness connection trouble
  Motor (DPFM) trouble
  Desk control PWB trouble
• Troubleshooting Guides: SIM4-2, 4-3 to execute
  Check connection state of connector, harness
  Replace motor (DPFM)
  Replace desk control PWB

• Code: U6-20
• Description: LCC PWB – PCU PWB communication error
• Causes: Malfunction due to noises
  Connector, harness connection trouble
  LCC main PWB trouble
  PCU PWB trouble
• Troubleshooting Guides: Power OFF/ON to cancel
  Check connection state of connector, harness
  Replace LCC main PWB
  Replace PCU PWB

• Code: U6-21
• Description: LCC paper transport trouble
• Causes: Paper transport mechanism trouble
  Moto (LPFM) trouble
  LCC main PWB trouble
• Troubleshooting Guides: SIM4-3 to execute
  Check paper transport mechanism
  Replace moto (LPFM)
  Replace LCC main PWB

• Code: U6-22
• Description: LCC 24V power trouble
• Causes: Connector, harness connection trouble
  LCC main PWB trouble
  Main machine power unit trouble
• Troubleshooting Guides: Check connection state of connector, harness
  Replace LCC main PWB
  Replace main machine power unit

• Code: U6-23
• Description: LCC tray descending trouble
• Causes: Connector, harness connection trouble
  Switch (LWRSW) trouble
  LCC main PWB trouble
• Troubleshooting Guides: SIM4-3 to execute
  Check connection state of connector, harness
  Replace switch (LWRSW)
  Replace LCC main PWB

• Code: U6-50
• Description: Desk – Main machine combination trouble
• Causes: Improper combination between main machine and desk
  Desk control PWB trouble
• Troubleshooting Guides: Install desk which is proper for main machine
  Replace desk control PWB

• Code: U6-51
• Description: LCC – Main machine combination trouble
• Causes: Improper combination between main machine and LCC
  LCC main PWB trouble
  PCU PWB trouble
• Troubleshooting Guides: Install LCC which is proper for main machine
  Replace LCC main PWB
  Replace PCU PWB

• Code: U6-52
• Description: Desk communication error
• Causes: Connector, harness connection trouble between main machine and paper feed tray 2
  PCU PWB trouble
• Troubleshooting Guides: Check connection state of connector, harness
  Replace PCU PWB

• Code: U6-54
• Description: LCC firmware inconsistent error
• Causes: Firmware version is inconsistency
• Troubleshooting Guides: SIM49-1 to execute

• Code: U6-55
• Description: Desk firmware inconsistent error
• Causes: Firmware version is inconsistency
• Troubleshooting Guides: SIM49-1 to execute

• Code: U7-50
• Description: Vendor machine communication error
• Causes: Strong external noises
  Improper setting of vendor machinespecifications
  Vendor machine trouble
  Connector, harness connection trouble
  SCN MFP PWB trouble
• Troubleshooting Guides: Power OFF/ON to cancel
  Change specification of vendor machine
  Check connection state of connector, harness
  Replace SCN MFP PWB

• Code: U7-51
• Description: Vendor machine operation trouble
• Causes: Vendor machine trouble
  Connector, harness connection trouble
• Troubleshooting Guides: Repair vendor machine referring to detailed error code
  Check connection state of connector, harness

• Code: U9-01
• Description: Touch panel trouble
• Causes: Connector, harness connection trouble
  Touch panel trouble
  SCN MFP PWB trouble
• Troubleshooting Guides: Check connection state of connector, harness
  Replace touch panel
  Replace SCN MFP PWB

• Code: UC-02
• Description: ASIC CPT error
• Causes: SCN MFP PWB trouble
• Troubleshooting Guides: Replace SCN MFP PWB

• Code: UC-12
• Description: ASIC CPT error (DSPF)
• Causes: DSPF PWB trouble
• Troubleshooting Guides: Replace DSPF PWB

• Code: UC-20
• Description: ASIC DOCC error
• Causes: SCN MFP PWB trouble
• Troubleshooting Guides: Replace SCN MFP PWB

• Code: UC-30
• Description: ASIC DOCC error (DSPF)
• Causes: DSPF PWB trouble
• Troubleshooting Guides: Replace DSPF PWB

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