Sharp MXC304W with list Error Codes and Epson R1900 Adjustment Program

Sharp MXC304W Printer with list Error Codes and Epson R1900 Adjustment Program

– Printer model: Sharp MXC304W
– Error codes on Sharp MXC304W with details instruction fixing:

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, etc.
PCU PWB trouble.
Troubleshooting Guides: Use SIM49-1 to perform the firmware version-up procedure again.
Replace the PCU PWB.

Code: A0-02
Description: SCU ROM error
Causes: The firmware version-up is not completed properly by interruption of the power during the version-up operation, etc.
SCU PWB trouble.
Troubleshooting Guides: Use SIM49-1 to perform the firmware version-up procedure again.
Replace the MFPC 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.
MFPC PWB trouble
Troubleshooting Guides: SIM49-1 to execute the firmware version up
Replace MFPC PWB

Code: A0-10
Description: Color profile error
Causes: The content of the color profile is abnormal.
Combination error between the MFPC PWB firmware and the color profile
Troubleshooting Guides: Upgrade the firmware collectively.
Replace the MFPC PWB.

Code: A0-15
Description: Incompatible DSK BOOT and program firmware
Causes: Installation of the normal firmware was performed with a security kit enable.
Troubleshooting Guides: Stop installation of the normal firmware.

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: Confirm eMMC connection
Check and replace the following parts separately (If not improving, replace parts will be returned to original parts once each time)
Replace MFPC PWB
Replace eMMC and MFPC PWB

Code: A0-20
Description: Conflict firmware and EEPROM data version (MFP)
Causes: Inconsistency between the MFP firmware version and the EEPROM data version.
Troubleshooting Guides: Check the combination of the firmware.

Code: A0-21
Description: Conflict firmware and EEPROM data version (PCU)
Causes: Inconsistency between the PCU firmware version and the EEPROM data version.
Troubleshooting Guides: Check the combination of the firmware.

Code: A0-22
Description: Conflict firmware and EEPROM data version (SCU)
Causes: Inconsistency between the SCU firmware version and the EEPROM data version.
Troubleshooting Guides: Check the combination of the firmware.

Code: C1-10
Description: Main charger trouble
Causes: The main charger unit is not installed properly.
There is an abnormality in the main charger unit.
The developer unit is not installed properly.
There is an abnormality in the developer unit.
Disconnection of the high voltage MC PWB connector.
Breakage of the high voltage harness.
High voltage MC PWB trouble.
PCU PWB trouble.
Troubleshooting Guides: Check the output of the main charger with SIM8-2.
Check the output of the developing bias with SIM8-1.
Check disconnection of the main charger./Replace.
Check disconnection of the developer unit./Replace.
Check disconnection of the high voltage MC PWB connector./Replace.
Replace the high voltage PWB.
Replace the PCU PWB.

Code: E6-10
Description: Shading error (Black level) (SPF)
Causes: CIS unit connector, harness connection trouble
CIS unit trouble
DSPF CNT PWB trouble
Troubleshooting Guides: Check connection state of CIS unit connector, harness
Replace CIS unit
Replace DSPF CNT PWB

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

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

Code: E7-01
Description: MFP image data error
Causes: Image data transfer error in the MFPC PWB.
MFPC PWB trouble.
Troubleshooting Guides: Check connection of the connector and the harness of the MFPC PWB.
Check or replace the MFPC PWB.

Code: E7-03
Description: HDD trouble
Causes: Connector, harness connection trouble in the MFPC PWB and HDD.
HDD (error file management area) data abnormality (FAT breakage).
MFPC PWB trouble.
Troubleshooting Guides: Check connection of the connector and the harness of the MFPC PWB and HDD.
Use SIM62-2, 3 to check read/write operations of the HDD.
Replace the HDD.
Check or replace the MFPC PWB.

Code: E7-04
Description: HDD-ASIC error
Causes: HDD-ASIC trouble. (MFPC PWB trouble.)
An error occurs in the HDD-ASIC self test when booting.
Troubleshooting Guides: Check or replace the MFPC PWB.

– Sharp MXC304W printer Error Codes and quick guide on repairing:

Code: E7-10
Description: Shading error (Black correction)
Causes: Abnormality in the CCD black scan level when the scanner lamp is turned OFF.
Improper installation of the harness to the CCD unit.
CCD unit abnormality.
SCN cnt PWB abnormality.
Troubleshooting Guides: Check connection of the harness to the CCD unit.
Check the CCD unit.
Check the SCN cnt PWB.

Code: E7-11
Description: Shading error (White correction)
Causes: Abnormality in the CCD white reference plate scan
level when the scanner lamp is turned ON.
Improper installation of the harness to the CCD unit.
Dirt on the mirror, lens, and the reference white plate.
Scanner lamp lighting trouble.
Scanner lamp drive PWB trouble
CCD unit abnormality.
SCN cnt PWB abnormality.
Troubleshooting Guides: Check connection of the harness to the CCD unit.
Check connection of the harness to the scanner lamp unit.
Check or replace the scanner lamp.
Check or replace the scanner lamp drive PWB.
Clean or replace the mirror, the lens, and the reference white board.
Check or replace the CCD unit.
Check or replace the SCN cnt PWB.

Code: E7-14
Description: CCD-ASIC error
Causes: SCU PWB trouble.
Improper Installation of the harness to the CCD unit.
CCD unit abnormality.
SCN cnt PWB abnormality.
Troubleshooting Guides: Check the SCU PWB.
Replace the SCU PWB.
Check connection of the harness to the CCD unit.
Check or replace the CCD unit.
Check or replace the SCN cnt PWB.

Code: E7-20
Description: LSU BD(KC) detection error / LSU LD deform error (K)
Causes: Optical axis shift.
Reduced laser power, lighting error, laser diode trouble.
BD(KC) PWB trouble.
Harness and connector trouble between the LD/
BD(KC) PWB and the LSUcnt PWB.
Troubleshooting Guides: Use SIM61-1 to check the operation of the LSU.
Check the PWB and connection of the harness in the
LSU.Replace the LSU.

Code: E7-21
Description: LSU LD deform error (C)
Causes: Reduced laser power, lighting error, laser diode trouble.
Harness and connector trouble between the LD PWB and the LSUcnt PWB.
Troubleshooting Guides: Use SIM61-1 to check the operation of the LSU.
Check the PWB and connection of the harness in the LSU.
Replace the LSU.

Code: E7-22
Description: LSU LD deform error (M)
Causes: Reduced laser power, lighting error, laser diode trouble.
Harness and connector trouble between the LD PWB and the LSUcnt PWB.
Troubleshooting Guides: Use SIM61-1 to check the operation of the LSU.
Check the PWB and connection of the harness in the LSU.
Replace the LSU.

Code: E7-23
Description: LSU BD(MY) detection error /LSU LD deform error (Y)
Causes: Optical axis sift. Reduced laser power, lighting error, laser diode trouble.BD(MY) PWB trouble.
Harness and connector trouble between the LD/ BD(MY) PWB and the LSUcnt PWB.
Troubleshooting Guides: Use SIM61-1 to check the operation of the LSU.Check the PWB and connection of the harness in the LSU
Replace the LSU.

Code: E7-28
Description: LSU – PCU communication error
Causes: Communication error between the CPU in the PCU PWB and the LSU control ASIC. Improper connection of the communication connector between the PCU PWB and MFPC PWB.
Improper connection of the communication connector between the MFPC PWB and the LSUcnt PWB.
Harness trouble between the PCU PWB and MFPC PWB. Harness trouble between the MFPC PWB and LSUcnt PWB. PCU PWB trouble.
LSUcnt PWB trouble.
MFPC PWB trouble.
Troubleshooting Guides: Check connection of the connector and the harness between the PCU PWB and the MFPC PWB.
Check connection of the connector and the harness between the MFPC PWB and the LSUcnt PWB
Replace the PCU PWB. Replace the LSU.
Replace the MFPC PWB.

Code: E7-29
Description: LSU ASIC frequency error
Causes: Oscillation abnormality of the external oscillator and the internal oscillating circuit used in the LSU ASIC.
LSU ASIC abnormality on the LSUcnt PWB.
Frequency of the image transfer clock trouble from the MFPC PWB
Troubleshooting Guides: Replace the LSU.
Replace the MFPC PWB.
Check connection of the connector and the harness between the MFPC PWB and the LSUcnt PWB.

Code: E7-49
Description: Water Mark data error
Causes: Watermark data trouble.
HDD trouble.
Troubleshooting Guides: Use SIM49-5 to upload the watermark data.
Replace the HDD.

Code: E7-50
Description: Combination error between PWB and firmware (PCU PWB detection)
Causes: A PWB/firmware/LSU which is not compatible with the machine specifications is detected.
PCU PWB trouble
LSU trouble
Troubleshooting Guides: Check the kind and the version of the firmware.
Check or replace the LSU.
Check or replace the PCU PWB.

Code: E7-55
Description: PCU PWB information sum error
Causes: PCU EEPROM sum check error.
PCU EEPROM trouble.
PCU EEPROM contact trouble.
Troubleshooting Guides: Replace the PCU PWB.
Replace the PCU EEPROM.

Code: E7-60
Description: Combination error between PWB and firmware (MFPC PWB detection)
Causes: A PWB/firmware which is not compatible with the machine specifications is detected in the MFPC PWB.
MFPC PWB trouble.
Troubleshooting Guides: Check the kind and the version of the firmware.
Check or replace the MFPC PWB.

Code: E7-61
Description: Combination error between the MFPC PWB and the PCU PWB (MFPC PWB detection)
Causes: Combination error between the MFPC PWB and the PCU PWB.
MFPC PWB trouble.
PCU PWB trouble.
Troubleshooting Guides: Check the combination between the MFPC PWB and the PCU PWB.
Replace the MFPC PWB.
Replace the PCU PWB.

Code: E7-80
Description: MFP – SCU PWB communication error
Causes: SCN cnt PWB – MFPC PWB connection trouble.
SCN cnt PWB trouble.
MFPC PWB trouble.
Troubleshooting Guides: Check connection of the SCN cnt PWB and the MFPC PWB.
Check the ground.
Replace the SCU PWB.
Replace the MFPC PWB.

Code: E7-90
Description: MFP – PCU PWB communication error
Causes: PCU PWB – MFPC PWB connection trouble.
PCU PWB trouble.
MFPC PWB trouble.
Troubleshooting Guides: Check connection of the PCU PWB and the MFPC PWB.
Check the ground.
Replace the PCU PWB.
Replace the MFPC PWB.

Code: E7-91
Description: FAX reception image data error
An error of FAX reception image data process occurs.
Causes: Image data process abnormality
HDD trouble
SD card trouble or contact error
Image compression data corruption
MFPC PWB trouble
FAX MAIN PWB trouble
Troubleshooting Guides: Use SIM60-01 to check the read/write operations of the memory.
Replace the HDD.
Replace or check installation of the SD card.
Replace the MFPC PWB.
Replace the FAX MAIN PWB.

Code: E7-92
Description: Copy image data error
An error of copy image data process occurs. (In Non ERDH)
Causes: Image data process abnormality
HDD trouble
Image compression data corruption
MFPC PWB trouble
DRAM memory trouble or contact error
Troubleshooting Guides: Use SIM60-01 to check the read/write operations of the memory.
Replace the HDD.
Replace the MFPC PWB.

Code: E7-93
Description: Copy, image send, FAX, filing, print image data process error
An image data process error occurs in the following operation mode:
• Copy (in ERDH)
• Copy composing system function (Water mark)
• When in image send
• When filing documents
• When displaying the preview
• When printing with the GDI/PCL printer
• Copy composing system function (Water mark)
Causes: Image data process abnormality
HDD trouble
Image compression data corruption
MFPC PWB trouble
DIMM memory trouble or contact error
Troubleshooting Guides: Use SIM60-01 to check the read/write operations of the memory.
Replace the HDD.
Replace the MFPC PWB.
Replace or check installation of the DIMM memory.

Code: E7-94
Description: Image file data process error (when importing file data)
File image process error (backup restore error) when importing filing data
Causes: Image data process abnormality
HDD trouble
Image compression data corruption
MFPC PWB trouble
DIMM memory trouble or contact error
Troubleshooting Guides: Use SIM60-01 to check the read/write operations of the memory.
Replace the HDD.
Replace the MFPC PWB.
Replace or check installation of the DIMM memory.

Code: E7-A8
Description: mSATA eMMC error
Causes: mSATA eMMC contact trouble
mSATA eMMC trouble
MFPC PWB trouble
Troubleshooting Guides: Check contact state of mSATA eMMC
Replace mSATA eMMC
Replace MFPC PWB

Code: E7-C0
Description: TPM PWB data 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
The sampling level in the automatic toner density adjustment is outside of 128 +/- 3.
Causes: Toner density sensor trouble.
Developing unit trouble.
PCU PWB trouble.
Troubleshooting Guides: Replace the toner density sensor.
Replace the developing unit.
Replace the PCU PWB.

Code: EE-EL
Description: Automatic toner density adjustment error (Over toner)
The sampling level in the automatic toner density adjustment is 76 or less or the control voltage is 208 or above.
Causes: Toner density sensor trouble.
Developing unit trouble.
PCU PWB trouble.
Troubleshooting Guides: Replace the toner density sensor.
Replace the developing unit.
Replace the PCU PWB.

Code: EE-EU
Description: Automatic toner density adjustment error (Under toner)
The sampling level in the automatic toner density adjustment is 178 or above or the control voltage is 51 or less.
Causes: Toner density sensor trouble.
Developing unit trouble.
PCU PWB trouble.
Troubleshooting Guides: Replace the toner density sensor.
Replace the developing unit.
Replace the PCU PWB.

Code: F2-22
Description: Discharge lamp trouble (K)
The lamp is kept open for 1 sec from turning on the discharge lamp.
Causes: Contact trouble between the discharge lamp PWB (K) and the PCU PWB.
Discharge lamp PWB (K) trouble.
PCU PWB trouble.
Troubleshooting Guides: Replace the discharge lamp PWB (K).
Check the harness and the connector.
Replace the PCU PWB.

Code: F2-23
Description: Discharge lamp trouble (C)
The lamp is kept open for 1 sec from turning on the discharge lamp.
Causes: Contact trouble between the discharge lamp PWB (C) and the PCU PWB.
Discharge lamp PWB (C) trouble.
PCU PWB trouble.
Troubleshooting Guides: Replace the discharge lamp PWB (C).
Check the harness and the connector.
Replace the PCU PWB.

Code: F2-24
Description: Discharge lamp trouble (M)
The lamp is kept open for 1 sec from turning on the discharge lamp.
Causes: Contact trouble between the discharge lamp PWB (M) and the PCU PWB.
Discharge lamp PWB (M) trouble.
PCU PWB trouble.
Troubleshooting Guides: Replace the discharge lamp PWB (M).
Check the harness and the connector.
Replace the PCU PWB.

Code: F2-25
Description: Discharge lamp trouble (Y)
The lamp is kept open for 1 sec from turning on the discharge lamp.
Causes: Contact trouble between the discharge lamp PWB (Y) and the PCU PWB.
Discharge lamp PWB (Y) trouble.
PCU PWB trouble.
Troubleshooting Guides: Replace the discharge lamp PWB (Y).
Check the harness and the connector.
Replace the PCU PWB.

Code: F2-30
Description: Power thermistor trouble
Causes: Power thermistor trouble.
Power thermistor harness connection trouble.
PCU PWB trouble.
Troubleshooting Guides: Check connection of the process thermistor harness and the connector.
Replace the PCU PWB.

Code: F2-39
Description: Process thermistor trouble
Causes: Process thermistor trouble.
Process thermistor harness connection trouble.
PCU PWB trouble.
Troubleshooting Guides: Replace the process thermistor.
Check connection of the process thermistor harness and the connector.
Replace the PCU PWB.

Code: F2-40
Description: Toner density sensor trouble (K)
Causes: Toner density sensor output abnormality.
Sensor connector and harness connection trouble.
Developing unit trouble.
PCU PWB trouble.
Troubleshooting Guides: Replace the toner density sensor.
Check connection of the sensor connector and the harness.
Replace the developing unit.
Replace the PCU PWB.

Code: F2-41
Description: Toner density sensor trouble (C)
Causes: Toner density sensor output abnormality.
Sensor connector and harness connection trouble.
Developing unit trouble.
PCU PWB trouble.
Troubleshooting Guides: Replace the toner density sensor.
Check connection of the sensor connector and the harness.
Replace the developing unit.
Replace the PCU PWB.

Code: F2-42
Description: Toner density sensor trouble (M)
Causes: Toner density sensor output abnormality.
Sensor connector and harness connection trouble.
Developing unit trouble.
PCU PWB trouble.
Troubleshooting Guides: Replace the toner density sensor.
Check connection of the sensor connector and the harness.
Replace the developing unit.
Replace the PCU PWB.

Code: F2-43
Description: Toner density sensor trouble (Y)
Causes: Toner density sensor output abnormality.
Sensor connector and harness connection trouble.
Developing unit trouble.
PCU PWB trouble.
Troubleshooting Guides: Replace the toner density sensor.
Check connection of the sensor connector and the harness.
Replace the developing unit.
Replace the PCU PWB.

Code: F2-45
Description: Color image density sensor trouble
Causes: Color image density sensor sensitivity adjustment trouble.
Color image density sensor trouble.
Sensor harness and connector connection trouble.
Image density sensor dirt.
Transfer unit lift operation trouble
PCU PWB trouble.
Troubleshooting Guides: Check connection of the sensor harness and the connector.
Clean the image density sensor.
Repair the transfer unit lift mechanism.
Replace the PCU PWB.
Use SIM44-2 to perform the sensitivity adjustment of the process control sensor.

Code: F2-47
Description: Ozone duct thermistor trouble
Causes: Ozone duct thermistor trouble.
Improper connection of the communication
connector between the Ozone duct and the MFPC PWB.
MFPC PWB trouble.
Troubleshooting Guides: Check connection of the connector and the
harness between the Ozone duct and the MFPC PWB.
Replace the MFPC PWB

Code: F2-49
Description: LSU thermistor trouble
Causes: The LSU temperature is outside of -28 degrees C – 78 degrees C.
LSU thermistor trouble.
Improper connection of the communication connector between the PCU PWB and the MFPC PWB.
Improper connection of the communication connector between the MFPC PWB and the LSUcnt PWB.
Harness trouble between the PCU PWB and MFPC PWB.
Harness trouble between the MFPC PWB and
LSUcnt PWB.
Harness and connector trouble between the LD PWB and the LSUcnt PWB.
PCU PWB trouble.
LSUcnt PWB trouble.
MFPC PWB trouble.
Troubleshooting Guides: Check connection of the connector and the harness between the PCU PWB and the MFPC PWB.
Check connection of the connector and the harness between the MFPC PWB and the LSUcnt PWB.
Check the PWB and connection of the harness in the LSU.
Replace the PCU PWB.
Replace the MFPC PWB
Replace the LSU.

Code: F2-50
Description: K drum phase sensor trouble
Causes: Drum phase sensor trouble.
Drum phase sensor harness and connector connection trouble
Drum drive section trouble.
PCU PWB trouble.
Troubleshooting Guides: Use SIM30-1 to check the operation of ‘DHPD_K’.
Replace the drum phase sensor.
Check connection of the drum phase sensor harness and the connector.
Repair the drum drive section.
Replace the PCU PWB.

Code: F2-51
Description: CL drum phase sensor trouble
Causes: Drum phase sensor trouble.
Drum phase sensor harness and connector connection trouble
Drum drive section trouble.
PCU PWB trouble.
Troubleshooting Guides: Use SIM30-1 to check the operation of ‘DHPD_CL’.
Replace the drum phase sensor.
Check connection of the drum phase sensor harness and the connector.
Repair the drum drive section.
Replace the PCU PWB.

Code: F2-58
Description: Temperature/humidity sensor trouble (HUD_M/TH_M)
Causes: Temperature/humidity sensor trouble.
Temperature/humidity sensor harness and connector connection trouble
MFPC PWB trouble.
Troubleshooting Guides: Replace the temperature/humidity sensor.
Check connection of the temperature/humidity sensor harness and the connector.
Replace the MFPC PWB.

Code: F2-64
Description: Toner supply operation trouble (K)
Causes: Toner supply clutch trouble.
Toner density sensor trouble.
Connector/harness trouble.
PCU PWB trouble.
Toner cartridge trouble.
Developing unit trouble.
Toner transport pipe section trouble
Troubleshooting Guides: Replace the Toner supply clutch.
Replace the toner density sensor.
Connector and harness check.
Replace the PCU PWB.
Replace the toner cartridge.
Replace the developing unit.
Check the toner transport pipe section.

Code: F2-65
Description: Toner supply operation trouble (C)
Causes: Toner supply clutch trouble.
Toner density sensor trouble.
Connector/harness trouble.
PCU PWB trouble.
Toner cartridge trouble.
Developing unit trouble.
Toner transport pipe section trouble
Troubleshooting Guides: Replace the Toner supply clutch.
Replace the toner density sensor.
Connector and harness check.
Replace the PCU PWB.
Replace the toner cartridge.
Replace the developing unit.
Check the toner transport pipe section.

Code: F2-66
Description: Toner supply operation trouble (M)
Causes: Toner supply clutch trouble.
Toner density sensor trouble.
Connector/harness trouble.
PCU PWB trouble.
Toner cartridge trouble.
Developing unit trouble.
Toner transport pipe section trouble
Troubleshooting Guides: Replace the Toner supply clutch.
Replace the toner density sensor.
Connector and harness check.
Replace the PCU PWB.
Replace the toner cartridge.
Replace the developing unit.
Check the toner transport pipe section.

Code: F2-67
Description: Toner supply operation trouble (Y)
Causes: Toner supply clutch trouble.
Toner density sensor trouble.
Connector/harness trouble.
PCU PWB trouble.
Toner cartridge trouble.
Developing unit trouble.
Toner transport pipe section trouble
Troubleshooting Guides: Replace the Toner supply clutch.
Replace the toner density sensor.
Connector and harness check.
Replace the PCU PWB.
Replace the toner cartridge.
Replace the developing unit.
Check the toner transport pipe section.

Code: F2-70
Description: Improper toner cartridge detection (K)
Causes: An improper toner cartridge is inserted. (The main unit detects a toner cartridge of a different specification.)
Toner cartridge trouble.
PCU PWB trouble.
Troubleshooting Guides: Replace the toner cartridge.
Replace the PCU PWB.

Code: F2-71
Description: Improper toner cartridge detection (C)
Causes: An improper toner cartridge is inserted. (The main unit detects a toner cartridge of a different specification.)
Toner cartridge trouble.
PCU PWB trouble.
Troubleshooting Guides: Replace the toner cartridge.
Replace the PCU PWB.

Code: F2-72
Description: Improper toner cartridge detection (M)
Causes: An improper toner cartridge is inserted. (The main unit detects a toner cartridge of a different specification.)
Toner cartridge trouble.
PCU PWB trouble.
Troubleshooting Guides: Replace the toner cartridge.
Replace the PCU PWB.

Code: F2-73
Description: Improper toner cartridge detection (Y)
Causes: An improper toner cartridge is inserted. (The main unit detects a toner cartridge of a different specification.)
Toner cartridge trouble.
PCU PWB trouble.
Troubleshooting Guides: Replace the toner cartridge.
Replace the PCU PWB.

Code: F2-74
Description: Toner cartridge CRUM error (K)
Causes: Toner cartridge (CRUM) trouble.
PCU PWB trouble.
Connector and harness trouble between PCU PWB and toner cartridge
Troubleshooting Guides: Replace the toner cartridge.
Replace the PCU PWB.
Check the connector and the harness between the PCU PWB and the toner cartridge.

Code: F2-75
Description: Toner cartridge CRUM error (C)
Causes: Toner cartridge (CRUM) trouble.
PCU PWB trouble.
Connector and harness trouble between PCU PWB and toner cartridge
Troubleshooting Guides: Replace the toner cartridge.
Replace the PCU PWB.
Check the connector and the harness between the PCU PWB and the toner cartridge.

Code: F2-76
Description: Toner cartridge CRUM error (M)
Causes: Toner cartridge (CRUM) trouble.
PCU PWB trouble.
Connector and harness trouble between PCU PWB and toner cartridge
Troubleshooting Guides: Replace the toner cartridge.
Replace the PCU PWB.
Check the connector and the harness between the PCU PWB and the toner cartridge.

Code: F2-77
Description: Toner cartridge CRUM error (Y)
Causes: Toner cartridge (CRUM) trouble.
PCU PWB trouble.
Connector and harness trouble between PCU PWB and toner cartridge
Troubleshooting Guides: Replace the toner cartridge.
Replace the PCU PWB.
Check the connector and the harness between the PCU PWB and the toner cartridge.

Code: F2-78
Description: Registration image density sensor trouble (Transfer belt substrate reflection rate abnormality)
Causes: Image density (registration) sensor trouble (Sensor sensitivity adjustment trouble).
PCU PWB trouble.
Image density (resist) sensor connector and harness connection trouble
Image density (registration) sensor dirt.
Transfer belt dirt, scratch.
Troubleshooting Guides: Replace the image density (registration) sensor. Replace the PCU PWB.
Check connection of the connector and the harness of the image density (resist) sensor.
Clean the image density (registration) sensor.
Clean or replace the transfer belt.
Use SIM44-2 to perform the sensibility adjustment of the process control sensor.

Code: F6-00
Description: MFPC PWB – FAX communication trouble
Causes: MFP – FAX communication establishment error / Framing / Parity / Protocol error
Troubleshooting Guides: Case 1 Cause FAX MAIN PWB trouble. Check and Troubleshooting Guides Replace the FAX MAIN PWB.
Case 2 Cause FAX control PWB – MFPC PWB connector and harness trouble Check and Troubleshooting Guides Check the connector and the harness between the FAX MAIN PWB and the MFPC PWB.
Case 3 Cause FAX MAIN PWB – Mother board connector and harness trouble Check and Troubleshooting Guides Check the connector and the harness between the FAX MAIN PWB and the mother board.
Case 4 Cause FAX MAIM PWB ROM trouble / ROM pin breakage Check and Troubleshooting Guides Check the ROM of the FAX MAIN PWB.

Code: F6-01
Description: FAX MAIN PWB EEPROM read/write error
Causes: FAX MAIN PWB EEPROM access error (Read and write)
Troubleshooting Guides: Case 1 Cause FAX MAIN PWB EEPROM trouble Check and Troubleshooting Guides Check that no trouble occurs after replacement of EEPROM. Execute the memory check of SIM66-3 to insure that EEPROM can be accessed.
Case 2 Cause FAX MAIN PWB EEPROM access circuit trouble Check and Troubleshooting Guides Replace the FAX MAIN PWB.

Code: F6-02
Description: FAX power supply trouble
Causes: DC power supply trouble at the main machine.
SCN-MFP PWB trouble (Fuse break trouble).
24 volt detection circuit Trouble at FAX PWB.
Harness trouble between the FAN PWB and SCN-MFP PWB.
Troubleshooting Guides: Check the 24 volt supply circuit between the machine and the FAX PWB.
Replace the DC power supply unit at the machine.
Replace the SCN-MFP PWB.
Replace the FAX PWB.
Replace the harness between the machine and the FAX PWB.

Code: F6-04
Description: FAX MODEM operation trouble
Causes: FAX MAIN PWB MODEM chip operation trouble
Troubleshooting Guides: Case 1 Cause FAX MODEM chip operation trouble. Check and Troubleshooting Guides Replace the FAX MAIN PWB.
Case 2 Cause The FAX MODEM chip cannot be accessed. Check and Troubleshooting Guides Replace the FAX MAIN PWB.

Code: F6-21
Description: Improper combination of TEL/LIU PWB and FAX soft switch
Causes: Incompatibility between the TEL/LIU PWB and the FAX MAIN PWB information (soft switch)
Troubleshooting Guides: Case 1 Cause The destination of the TEL/LIU PWB installed is improper. Check and Troubleshooting Guides Check the destination of the TEL/LIU PWB.
Case 2 Cause TEL/LIU PWB trouble. Check and Troubleshooting Guides Replace the TEL/LIU PWB.

Code: F6-30
Description: FAX 1-chip microprocessor access error (FAX detection)
Causes: FAX 1-chip microprocessor access error (Read and write)
Troubleshooting Guides: Case 1 Cause Program writing trouble to the 1-chip microprocessor, or no program data written. Check and Troubleshooting Guides Use SIM66-42 to rewrite the 1-chip microprocessor program.
Case 2 Cause FAX 1-chip microprocessor circuit trouble. Check and Troubleshooting Guides Replace the FAX MAIN PWB.

Code: F6-97
Description: Incompatibility between FAX MAIN PWB and the main machine
Causes: The FAX control PWB installed is improper. FAX MAIN PWB trouble.
Troubleshooting Guides: Install a proper FAX MAIN PWB.
Replace the FAX MAIN PWB.

Code: F6-98
Description: Incompatibility between the FAX control PWB destination and the main machine destination
Causes: Incompatibility between the destination information written into the FAX MAIN PWB EEPROM and that in the main machine (set with SIM26-6)
Troubleshooting Guides: 1) Check the destination of the FAX MAIN PWB.
2) Check the destination of the machine. (SIM26-6)

Code: H2-00
Description: Thermistor open trouble (TH_UM_AD2)
Causes: Thermistor trouble
PCU PWB trouble
Thermistor connector and harness connection trouble
Fusing section connector connection trouble
AC Power trouble
Fusing unit not installed
Troubleshooting Guides: Use SIM44-14 to check the state of the thermistor.
Replace the thermistor.
Replace the PCU PWB.
Check connection of the thermistor connector and the harness.
Check the connector in the fusing section.

Code: H2-02
Description: Thermistor open trouble (TH_US)
Causes: Thermistor trouble
PCU PWB trouble
Thermistor connector and harness connection trouble
Fusing section connector connection trouble
AC Power trouble
Fusing unit not installed
Troubleshooting Guides: Use SIM44-14 to check the state of the thermistor.
Replace the thermistor.
Replace the PCU PWB.
Check connection of the thermistor connector and the harness.
Check the connector in the fusing section.

Code: H2-03
Description: Thermistor open trouble (TH_UM_CS)
Causes: Thermistor trouble
PCU PWB trouble
Thermistor connector and harness connection trouble
Fusing section connector connection trouble
Power unit trouble.
Fusing unit not installed
Troubleshooting Guides: Use SIM44-14 to check the state of the thermistor.
Replace the thermistor.
Replace the PCU PWB.
Check connection of the thermistor connector and the harness.
Check the connector in the fusing section.

Code: H3-00
Description: Fusing section high temperature trouble (TH_UM_CS)
Causes: The fusing temperature exceeds the specified level.
Thermistor trouble
Power unit trouble.
Thermistor connector and harness connection trouble
Troubleshooting Guides: Use SIM44-14 to check the state of the thermistor.
Use SIM5-2 to check the flashing operation of the heater lamp.
Use SIM14 to cancel the trouble.
Replace the thermistor.
Check connection of the thermistor connector and the harness.

Code: H3-02
Description: Fusing section high temperature trouble (TH_US)
Causes: The fusing temperature exceeds the specified level.
Thermistor trouble
Power unit trouble.
Thermistor connector and harness connection trouble
Troubleshooting Guides: Use SIM44-14 to check the state of the thermistor.
Use SIM5-2 to check the flashing operation of the heater lamp.
Use SIM14 to cancel the trouble.
Replace the thermistor.
Check connection of the thermistor connector and the harness.

Code: H4-00
Description: Fusing section low temperature trouble (TH_UM_CS)
The fusing temperature does not reach the specified level within the specified time from turning ON the power relay.
Causes: Thermistor trouble.
Heater lamp trouble.
MFPC PWB trouble.
Thermostat trouble.
Connector, harness connection trouble.
Power unit trouble.
Troubleshooting Guides: Use SIM14 to cancel the trouble.
Use SIM44-14 to check the state of the thermistor.
Use SIM5-2 to check the flashing operation of the heater lamp.
Replace the thermistor.
Replace the heater lamp.
Replace the MFPC PWB.
Replace the thermostat.
Check connection of the connector and the harness.
Replace the power unit.

Code: H4-30
Description: Thermistor differential input trouble (Upper main) (TH_UM)
Causes: HL_UM does not light.
Thermistor trouble.
Harness trouble.
PCU PWB trouble.
Troubleshooting Guides: Use SIM05-02 to check the flushing operation of the heater lamp.
When the lamp lights on correctly, check the thermistor or the harness.
Check the input circuit of the thermistor on the PCU PWB.
When the lamp does not light on correctly, check the cut-line of the heater harness and the thermostat.
Check the interlock switch.
Check the lamp control circuit on the AC PWB and the PCU PWB.
Use SIM14 to cancel the trouble.

Code: H5-01
Description: 5 times continuous POD1 not-reach jam
Causes: A fusing jam is not canceled completely. (A jam paper remains.)
POD1 sensor trouble
Fusing unit installation trouble
POD1 sensor connector and harness connection trouble
PCU PWB trouble
Fusing unit, drive section trouble
Troubleshooting Guides: Replace the POD1 sensor.
Check installation of the fusing unit.
Replace the fusing unit.
Check or repair the fusing drive section.
Check connection of the POD1 sensor connector and the harness.
Replace the PCU PWB.
Use SIM14 to cancel the trouble.

Code: H7-10
Description: Recovery error from low fuser temp. (TH_UM_CS)
The fusing temperature does not reach the specified level within the specified time from stopping a job due to fall in the fusing temperature.
Causes: Thermistor trouble.
Heater lamp trouble.
MFPC PWB trouble.
Thermostat trouble.
Connector, harness connection trouble.
Power unit trouble.
Troubleshooting Guides: Replace the thermistor.
Replace the heater lamp.
Replace the MFPC PWB.
Replace the thermostat.
Check connection of the connector and the harness.
Replace the power unit.
Use SIM5-2 to check the flashing operation of the heater lamp.

Code: L1-00
Description: Scanner feed trouble
Scanner feed is not completed within the specified time.
Causes: Scanner unit trouble.
SCN cnt PWB trouble.
Harness and connector connection trouble.
Scanner home position sensor trouble.
Scanner motor trouble.
Troubleshooting Guides: Use SIM1-1 to check the scan operation.
Replace the scanner unit.
Replace the SCN cnt PWB.
Check connection of the connectors and the harness.
Replace the scanner home position sensor.
Replace the scanner motor.

Code: L3-00
Description: Scanner return trouble
Scanner return is not completed within the specified time.
Causes: Scanner unit trouble
SCU cnt PWB trouble
Harness and connector connection trouble
Scanner home position sensor trouble
Scanner motor trouble
Troubleshooting Guides: Use SIM1-1 to check the scan operation.
Replace the scanner unit.
Replace the SCN cnt PWB.
Check connection of the connectors and the harness.
Replace the scanner home position sensor.
Replace the scanner motor.

Code: L4-01
Description: Main motor lock trouble
Causes: Connector, harness connection trouble
Motor trouble(MM)
PCU PWB trouble
Troubleshooting Guides: SIM6-1 to execute
Check connection state of connector, harness
Replace motor (MM)
Replace PCU PWB

Code: L4-06
Description: Transfer unit lift trouble
A change in the primary transfer position sensor cannot be detected within the specified time in lifting operation of the primary transfer unit.
Causes: Transfer unit position sensor trouble
Dirt on the transfer unit position sensor.
PCU PWB trouble
Connection trouble of the connector and the harness.
Transfer unit lift mechanism trouble
Primary transfer belt unit is not installed.
Troubleshooting Guides: Use SIM6-3 to check the separating operation of the transfer unit.
Install the primary transfer belt unit.
Replace the transfer unit position sensor.
Clean the transfer unit position sensor.
Replace the PCU PWB.
Check connection of the connector and the harness.
Repair the transfer unit lift mechanism.

Code: L4-17
Description: Drum motor trouble K
The motor lock signal is detected during rotation of the drum motor.
Causes: Drum motor trouble
Harness connection trouble between the
MFPC PWB and the drum motor
Control circuit trouble
Troubleshooting Guides: Use SIM25-01 to check the operation of the drum motor.
Check the harness and the connector between the MFPC PWB and the developing motor.
Replace the MFPC PWB.
Replace the drum motor.

Code: L4-18
Description: Drum motor trouble C
The motor lock signal is detected during rotation of the drum motor.
Causes: Drum motor trouble
Harness connection trouble between the
MFPC PWB and the drum motor
Control circuit trouble
Troubleshooting Guides: Use SIM25-01 to check the operation of the drum motor.
Check the harness and the connector between the MFPC PWB and the developing motor.
Replace the MFPC PWB.
Replace the drum motor.

Code: L4-32
Description: Power source cooling fan trouble
The fan operation signal is not detected.
Causes: Power cooling fan trouble.
PCU PWB trouble.
Connection trouble of the connector and the harness.
Troubleshooting Guides: Use SIM6-2 to check that the fan is actually rotating.
Replace the power cooling fan.
Replace the PCU PWB.
Check connection of the connectors and the harness.

Code: L4-35
Description: Fusing fan trouble
The fan operation signal is not detected.
Causes: Fusing cooling fan trouble.
PCU PWB trouble.
Connection trouble of the connector and the harness.
Troubleshooting Guides: Use SIM6-2 to check that the fan is actually rotating.
Replace the fusing cooling fan.
Replace the PCU PWB.
Check connection of the connector and the harness.

Code: L4-40
Description: Ozone fan motor 1 trouble
The lock signal is detected during rotation of the ozone fan motor 1.
Causes: Harness/connector trouble between the PCU
PWB and the fan motor.
PCU PWB trouble.
Fan motor trouble.
The fan does not rotate because of the other trouble. (No power supply to the fan motor)
Troubleshooting Guides: Use SIM6-2 to check the operation of the fan motor.
Check the harness and the connector between the PCU PWB and the fan motor.
Replace the PCU PWB.
Replace the fan motor.

Code: L4-44
Description: Power source cooling fan 2 trouble
The lock signal is detected during rotation of the power source cooling fan 2.
Causes: Harness/connector trouble between the PCU
PWB and the fan motor.
PCU PWB trouble.
Fan motor trouble.
The fan does not rotate because of the other
trouble. (No power supply to the fan motor)
Troubleshooting Guides: Use SIM6-2 to check the operation of the fan motor.
Check the harness and the connector between the PCU PWB and the fan motor.
Replace the PCU PWB.
Replace the fan motor.

Code: L6-10
Description: Polygon motor trouble
The polygon motor does not reach the specified RPM within the specified time after starting rotation of the polygon motor.
Causes: Polygon motor trouble.
LSUcnt PWB trouble.
Harness and connector trouble between the polygon motor unit and the LSUcnt PWB.
Troubleshooting Guides: Use SIM61-1 to check the operation of the polygon motor.
Check the PWB and connection of the harness in the LSU.
Replace the LSU.

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
The full wave signal is not detected.
Causes: An abnormality in the full wave signal frequency is detected
(The frequency is detected as 65Hz or above, or 45Hz or less) PCU PWB trouble.
Power unit trouble
Connection trouble of the connector and the harness
Power frequency wave form abnormality
Troubleshooting Guides: Replace the PCU PWB
Replace the power unit
Check connection of the connector and the harness
Check the power wave form

Code: L8-20
Description: Communication error of MFPC PWB/LSU mother board
Causes: LSU mother board PWB – MFPC PWB connection trouble.
MFPC PWB trouble.
LSU cnt board trouble.
Troubleshooting Guides: Check connection between the LSU mother board
PWB and the MFPC PWB.
Check the ground of the main unit.
Replace the MFPC PWB.
Replace the LSU cnt board.

Code: PC–
Description: Personal counter not detected
Causes: The personal counter is not installed.
The personal counter is not detected.
SCU PWB trouble.
Troubleshooting Guides: Check connection of the connectors and the harness.
Replace the SCU PWB.

Code: U1-01
Description: Battery trouble
RTC backup battery voltage fall
Causes: 1) Battery life
2) Battery circuit abnormality
Troubleshooting Guides: Check to confirm that the battery voltage is about 2.5V or above.
Replace the battery.

Code: U2-00
Description: MFP EEPROM read/write error
Causes: MFPC PWB EEPROM trouble
EEPROM socket contact trouble
MFPC PWB trouble
Strong external noises.
Troubleshooting Guides: Replace the MFPC PWB EEPROM.
Replace the MFPC PWB.
(Refer to the pages on the necessary works after
replacing the MFPC PWB in the Service Manual, and perform the works.)
Check the power environment.

Code: U2-05
Description: Account data error
The HDD or the MFPC PWB installed is improper. (Erroneous detection of account management data)
Causes: The HDD was replaced.
The MFPC PWB was replaced.
HDD trouble
MFPC PWB trouble
Troubleshooting Guides: (Refer to the pages on the necessary works after replacing the HDD and the MFPC PWB in the Service Manual, and perform the works.)
Use SIM16 to cancel the error.

Code: U2-11
Description: MFPC PWB EEPROM counter check sum error
Causes: MFPC PWB EEPROM trouble
EEPROM socket contact trouble
MFPC PWB trouble
Strong external noises.
Troubleshooting Guides: Use SIM16 to cancel the error. (The previous writing data (about the latest 8 sheets) are written into the EEPROM.)
Replace the MFPC PWB.
(Refer to the pages on the necessary works after
replacing the MFPC PWB in the Service Manual, and perform the works.)

Code: U2-30
Description: MFPC PWB and PCU PWB manufacturing No. data inconsistency
Inconsistency between the manufacturing No. saved in the PCU PWB and that in the MFPC PWB.
Causes: When replacing the PCU PWB or the MFPC PWB, the EEPROM which was mounted on the PWB before replacement is not mounted on the new PWB.
MFPC PWB trouble
PCU PWB trouble
Troubleshooting Guides: Check that the EEPROM is properly set.
Check to confirm that the EEPROM which was mounted on the PWB before replacement is mounted on the new PWB.
Replace the MFPC PWB.
(Refer to the pages on the necessary works after replacing the MFPC PWB in the Service Manual, and perform the works.)
Replace the PCU PWB.

Code: U2-40
Description: eMMC PWB system storage data area error
Causes: A file error occurs in the mSATA SSD system storage data partition.
Troubleshooting Guides: Turn OFF/ON the power, and the backup data in the HDD are written into the mSATA SSD and the machine is automatically booted.

Code: U2-41
Description: HDD system storage data area error
Causes: A file error occurs in the HDD system saved data area, disabling backup of the saved file of the machine adjustment values in the SD card.
HDD trouble
MFPC PWB trouble
Troubleshooting Guides: Check the HDD, and replace if necessary.
Check the MFPC PWB, and replace if necessary.
When replacing the HDD and the MFPC PWB, refer to the chapter of ‘Necessary works and procedures of HDD and MFPC PWB replacement.’

Code: U2-42
Description: Machine adjustment data error
Causes: The saved file of the machine adjustment values in the eMMC PWB and the HDD cannot be found or is broken. Both of the eMMC PWB set data and the HDD system saved data area are broken.
HDD trouble
MFPC PWB trouble
SD card trouble
Troubleshooting Guides: Check the HDD, and replace if necessary.
Check the MFPC PWB, and replace if necessary.
Check the SD card, and replace if necessary.
When replacing the HDD, the MFPC PWB, and the SD card, refer to the chapter of ‘Necessary works and procedures of HDD, MFPC PWB, and SD card replacement.’
Use SIM to adjust the machine again and set the adjustment values.

Code: U2-50
Description: HDD user authentication data check sum error. SD card when no HDD is installed
Causes: HDD trouble
MFPC PWB trouble
Strong external noises.
Troubleshooting Guides: Check the data related to the check sum error (address book, image send system registration data (senders record, meta data)) and register again.
Use SIM16 to cancel the U2 trouble.
Replace the HDD.
Replace the MFPC PWB.
(Refer to the pages on the necessary works after replacing the HDD and the MFPC PWB in the Service Manual, and perform the works.)

Code: U2-60
Description: Watermark check error
Causes: Watermark data trouble
HDD trouble
MFPC PWB trouble
Troubleshooting Guides: Use SIM16 to cancel the U2 trouble.
Use SIM49-5 to install the watermark data.
Replace the HDD.
Replace the MFPC PWB.
(Refer to the pages on the necessary works after replacing the HDD and the MFPC PWB in the Service Manual, and perform the works.)

Code: U2-70
Description: OCR dictionary check error
Causes: OCR dictionary error
Troubleshooting Guides: Use Sim49-6 to install the OCR dictionary data

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: SCU PWB EEPROM read/write error
Causes: SCU PWB EEPROM trouble
SCU PWB trouble
SCU PWB EEPROM socket connection trouble
Troubleshooting Guides: Replace the SCU PWB EEPROM.
Replace the SCU PWB.
Check connection of the SCU PWB EEPROM socket.
Check the SIM adjustment value of the following items, and adjust again if they are improper.
• Scanner-related adjustments
• Touch panel-related adjustments
Use SIM16 to cancel the trouble.

Code: U2-81
Description: SCU PWB EEPROM check sum error
Causes: SCU PWB EEPROM trouble.
Installation of non-initialized EEPROM.
SCU PWB trouble.
EEPROM socket contact trouble.
Troubleshooting Guides: Replace the SCU PWB EEPROM.
Replace the SCU PWB.
Check contact of the EEPROM socket.
Use SIM16 to cancel the trouble. (The check sum error detection data are calculated again to reset the proper check sum data.)

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

Code: U2-91
Description: PCU PWB EEPROM check sum error
Causes: PCU PWB EEPROM trouble
PCU PWB trouble
EEPROM socket contact trouble
Troubleshooting Guides: Replace the PCU PWB EEPROM.
Replace the PCU PWB.
Check contact of the EEPROM socket.
Use SIM16 to cancel the trouble. (The check sum error detection data are calculated again to reset the proper check sum data.)

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

Code: U6-00
Description: PCU PWB – Paper feed desk (paper feed tray3, 4) 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: Desk paper feed tray 1 lift trouble
Causes: Connector, harness connection trouble
Sensor (D1ULD) trouble
Tray1 lift up motor (D1LM) trouble
Desk tray1 control PWB trouble
Lift unit trouble
PCU PWB trouble
Troubleshooting Guides: SIM4-2 to execute
Check connection state of connector, harness
Replace sensor (D1ULD)
Replace desk tray1 control PWB
Replace lift unit
Replace PCU PWB

Code: U6-02
Description: Desk paper feed tray 2 lift trouble
Causes: Connector, harness connection trouble
Sensor (D2ULD) trouble
Tray2 lift up motor (D2LM) trouble
Desk tray2 control PWB trouble
Lift unit trouble
PCU PWB trouble
Troubleshooting Guides: SIM4-2 to execute
Check connection state of connector, harness
Replace sensor (D2ULD)
Replace desk tray2 control PWB
Replace lift unit
Replace PCU PWB

Code: U6-03
Description: Desk paper feed tray 3 lift trouble
Causes: Connector, harness connection trouble
Sensor (D3ULD) trouble
Tray3 lift up motor (D3LM) trouble
Desk tray3 control PWB trouble
Lift unit trouble
PCU PWB trouble
Troubleshooting Guides: SIM4-2 to execute
Check connection state of connector, harness
Replace sensor (D3ULD)
Replace desk tray3 control PWB
Replace lift unit
Replace PCU PWB

Code: U6-04
Description: Desk paper feed tray 3 lift trouble
Causes: Connector, harness connection trouble
Sensor (D4ULD) trouble
Tray3 lift up motor (D4LM) trouble
Desk tray3 control PWB trouble
Lift unit trouble
PCU PWB trouble
Troubleshooting Guides: SIM4-2 to execute
Check connection state of connector, harness
Replace sensor (D4ULD)
Replace desk tray3 control PWB
Replace lift unit
Replace PCU PWB

Code: U6-11
Description: Desk paper feed tray 1 transport trouble
Causes: Connector, harness connection trouble
Motor (D1PFM) trouble
Desk tray1 control PWB trouble
PCU PWB trouble
Troubleshooting Guides: SIM4-3 to execute
Check connection state of connector, harness
Replace motor (D1PFM)
Replace desk tray1 control PWB
Replace PCU PWB

Code: U6-12
Description: Desk paper feed tray 2 transport trouble
Causes: Connector, harness connection trouble
Motor (D2PFM) trouble
Desk tray2 control PWB trouble
PCU PWB trouble
Troubleshooting Guides: SIM4-3 to execute
Check connection state of connector, harness
Replace motor (D2PFM)
Replace desk tray2 control PWB
Replace PCU PWB

Code: U6-13
Description: Desk paper feed tray 3 transport trouble
Causes: Connector, harness connection trouble
Motor (D3PFM) trouble
Desk tray3 control PWB trouble
PCU PWB trouble
Troubleshooting Guides: SIM4-3 to execute
Check connection state of connector, harness
Replace motor (D3PFM)
Replace desk tray3 control PWB
Replace PCU PWB

Code: U6-14
Description: Desk paper feed tray 4 transport trouble
Causes: Connector, harness connection trouble
Motor (D4PFM) trouble
Desk tray4 control PWB trouble
PCU PWB trouble
Troubleshooting Guides: SIM4-3 to execute
Check connection state of connector, harness
Replace motor (D4PFM)
Replace desk tray4 control PWB
Replace PCU PWB

Code: U6-30
Description: Desk communication error between paper feed tray 1 and tray 2
Causes: Desk paper feed tray 1 and 2 connector, harness connection trouble
Desk tray1 control PWB trouble
Desk tray2 control PWB trouble
Malfunction due to noise
Troubleshooting Guides: Power OFF/ON to cancel
Check connection state of connector, harness
Replace desk tray1 control PWB
Replace desk tray2 control PWB

Code: U6-40
Description: Desk communication error between paper feed tray 2 and tray 3
Causes: Desk paper feed tray 2 and 3 connector, harness connection trouble
Desk tray2 control PWB trouble
Desk tray3 control PWB trouble
Malfunction due to noise
Troubleshooting Guides: Power OFF/ON to cancel
Check connection state of connector, harness
Replace desk tray2 control PWB
Replace desk tray3 control PWB

Code: U6-50
Description: Desk – Main unit 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: U6-55
Description: Desk firmware inconsistent error
Causes: Firmware version is inconsistency
Troubleshooting Guides: SIM49-1 to execute

Code: U6-56
Description: Desk paper feed tray 1 firmware error
Causes: Firmware version is inconsistency
Troubleshooting Guides: SIM49-1 to execute

Code: U6-57
Description: Desk paper feed tray 2 firmware error
Causes: Firmware version is inconsistency
Troubleshooting Guides: SIM49-1 to execute

Code: U6-58
Description: Desk paper feed tray 3 firmware error
Causes: Firmware version is inconsistency
Troubleshooting Guides: SIM49-1 to execute

Code: U6-59
Description: Desk paper feed tray 4 firmware error
Causes: Firmware version is inconsistency
Troubleshooting Guides: SIM49-1 to execute

Code: U6-60
Description: Desk communication error between paper feed tray 3 and tray 4
Causes: Desk paper feed tray 3 and 4 connector, harness connection trouble
Desk tray3 control PWB trouble
Desk tray4 control PWB trouble
Malfunction due to noise
Troubleshooting Guides: Power OFF/ON to cancel
Check connection state of connector, harness
Replace desk tray3 control PWB
Replace desk tray4 control PWB

Code: U6-70
Description: Desk firmware version mismatch error
Causes: Firmware version is inconsistency
Troubleshooting Guides: SIM49-1 to execute

Code: U7-50
Description: MFPC PWB – Vendor machine communication error
Communication error between the MFP and the serial vendor.
Causes: Improper setting of the vendor machine specifications (SIM26-3).
Vendor machine trouble.
MFPC PWB trouble.
Connector, harness connection trouble.
Strong external noises.
Troubleshooting Guides: Cancel the error by turning OFF/ON the power.
Check the connector and the harness in the communication line.
Change the specifications of the vendor machine (SIM26-3).
Replace the MFPC PWB.

Code: U7-51
Description: Vendor machine error
MFP (Notification of a trouble from the serial vendor)
Causes: Serial vendor machine trouble.
Connector, harness connection trouble.
Troubleshooting Guides: Err.XX is displayed on the operation panel of the vendor. (XX is the detail code.)
Repair the vendor machine referring to the detail code.
Check the connector and the harness in the communication line.

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

Code: UC-02
Description: SCAN – ASIC IPD error
Causes: SCU PWB trouble. (SCAN-ASIC trouble.)
Troubleshooting Guides: Replace the SCU PWB.

Code: UC-12
Description: SCAN ASIC IPD error (DSPF detection)
Causes: DSPF CNT PWB trouble
Troubleshooting Guides: Replace DSPF CNT PWB

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

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

Epson R1900 Adjustment Program

– OS Support: only Windows Operating System.
– Because Adjprog.exe gets Hardware ID info => Antivirus will misunderstand Adjprog.exe is the virus ==> you need to disable antivirus before extract and run Epson R1900 Adjustment Program or add to exclusion folder
– Limitation: Unlimited using on only 1 Computer.
– Epson R1900 AdjProg or Epson R1900 Adjustment Program or Epson R1900 Adj Program, is a middleware developed by third-party software to supply for Epson R1900 printer, making printer continuous printing without error.

– Epson R1900 Adjustment Program is featured with clearing the waste ink counter, ultra-deep clean to clean the printhead, adjust the smoothness of the printhead, adjust the motor headers, and fix the errors: no printing, lack of colour printing, colour blur, prints with horizontal and vertical stripes…

Epson R1900 Adjustment Functions:

– Bi-D Adjustment
– USB ID Input
– Initial Ink Charge
– Deep Cleaning the Print Head
– Reset Waste Ink Pad Counter
– Head ID Setting
– EEPROM initial setting
– Top margin Adjustment

Using Epson R1900 Adjustment Program

– Choose printer model and usb connection

– Choose Particular Adjustment Mode

Using Epson R1900 Adjustment Program Step 2

– Choose Waste Ink Pad Counter

Using Epson R1900 Adjustment Program Step 4

– Read Waste Ink Pad Counter

Using Epson R1900 Adjustment Program Step 5

– Reset Waste Ink Pad Counter

Using Epson R1900 Adjustment Program Step 6

Active Epson R1900 Adjustment Program

– Run Adjprog.exe, Copy R1900 Hardware ID, send it to admin email : [email protected] to get serial key and then active Epson R1900 Adjustment Program.