• Code: E065-0003
• Description: Error in detection of abnormal Bk charging AC current value
  During the paper interval simple discharge current control, a current value that is higher than the target of 500[uA] is detected
• Remedy: Error in output of charging high voltage, Drum Unit error or environment control error 1. COPIER > DISPLAY > ANALOG; check if the TEMP value and the HUM value are matched with the environment temperature. When the values are dramatically mismatched (Lager than 15degrees Celsius) 2-1. Check the harness and connector between the DC Controller (UN09/ J206) and the Environment Sensor (UN45) 3-1. Replace the Environment Sensor (UN45) 4-1. Replace the DC Controller (UN9) When the values are matched 2-2. Check the state of the charging high voltage contact point 3-2. Replace the Drum Unit (Bk). 4-2. Check the harness and connector between the DC Controller PCB (UN09/ J21) and the Primary Charging High Voltage PCB (UN06/ J441, J442) 5-2. Replace the Primary Charging High Voltage PCB (UN06) 6-2. Replace the DC Controller PCB (UN09)

• Code: E067-0001
• Description: Error in M primary transfer abnormal detection
  When trying to apply the specified voltage of 1500 [V] or higher
• Remedy: Error in the Primary Transfer High Voltage PCB, Error in the Primary Transfer Roller (ITB Unit) 1. Check failure of the harness between the Primary Transfer High Voltage PCB (UN04/J1001) and the DC Controller PCB (UN09/J205) (open circuit, trapped cable, connector disconnection). -> Replace the harness if it is faulty 2. Check connection failure between the Primary Transfer High Voltage PCB (UN04/J31) and the Primary Transfer Roller (Check that the connection is free from open circuit or GND contact) 3. Replace the Primary Transfer High Voltage PCB (UN04) 4. Replace the ITB Unit 5. Replace the DC Controller PCB (UN09). 6. Replace the Primary Transfer Power Supply Unit

• Code: E067-0002
• Description: Error in C primary transfer abnormal detection
  When trying to apply the specified voltage of 1500 [V] or higher
• Remedy: Error in the Primary Transfer High Voltage PCB, Error in the Primary Transfer Roller (ITB Unit) 1. Check failure of the harness between the Primary Transfer High Voltage PCB (UN04/J1001) and the DC Controller PCB (UN09/J205) (open circuit, trapped cable, connector disconnection). -> Replace the harness if it is faulty 2. Check connection failure between the Primary Transfer High Voltage PCB (UN04/J21) and the Primary Transfer Roller (Check that the connection is free from open circuit or GND contact) 3. Replace the Primary Transfer High Voltage PCB (UN04) 4. Replace the ITB Unit 5. Replace the DC Controller PCB (UN09). 6. Replace the Primary Transfer Power Supply Unit

• Code: E067-0003
• Description: Error in Bk primary transfer abnormal detection
  When trying to apply the specified voltage of 1500 [V] or higher
• Remedy: Error in the Primary Transfer High Voltage PCB, Error in the Primary Transfer Roller (ITB Unit) 1.Check failure of the harness between the Primary Transfer High Voltage PCB (UN04/J1001) and the DC Controller PCB (UN09/J205) (open circuit, trapped cable, connector disconnection). -> Replace the harness if it is faulty 2. Check connection failure between the Primary Transfer High Voltage PCB (UN04/J11) and the Primary Transfer Roller (Check that the connection is free from open circuit or GND contact) 3. Replace the Primary Transfer High Voltage PCB (UN04) 4. Replace the ITB Unit 5. Replace the DC Controller PCB (UN09) 6. Replace the Primary Transfer Power Supply Unit

• Code: E069-0001
• Description: Abnormal current is detected at the secondary transfer
  When 5 [uA] or smaller is detected at the secondary transfer
• Remedy: Error in the Secondary Transfer High Voltage PCB, Error in the Secondary Transfer Roller 1. Check failure of the harness between the Secondary Transfer High Voltage PCB (UN05/J201) and the DC Controller PCB (UN09/J10) (open circuit, trapped cable, connector disconnection). -> Replace the harness if it is faulty 2.Check connection failure between the Secondary Transfer High Voltage PCB (UN05/T1201) and the Secondary Transfer Outer Roller (Check that the connection is free from open circuit or GND contact) 3. Replace the Secondary Transfer High Voltage PCB (UN05) 4. Replace the Secondary Transfer Outer Roller 5. Replace the ITB Unit 6. Replace the DC Controller PCB (UN09) 7. Replace the Secondary Transfer Power Supply Unit

• Code: E069-0002
• Description: Abnormal current is detected at the secondary transfer
  When 100 [uA] or larger is detected at the secondary transfer
• Remedy: Error in the Secondary Transfer High Voltage PCB, Error in the Secondary Transfer Roller 1. Check failure of the harness between the Secondary Transfer High Voltage PCB (UN05/J201) and the DC Controller PCB (UN09/J10) (open circuit, trapped cable, connector disconnection). -> Replace the harness if it is faulty 2. Check connection failure between the Secondary Transfer High Voltage PCB (UN05/T1201) and the Secondary Transfer Outer Roller (Check that the connection is free from open circuit or GND contact) -> Replace the connection wire if it is faulty 3. Replace the Secondary Transfer High Voltage PCB (UN05) 4. Replace the Secondary Transfer Outer Roller 5. Replace the ITB Unit 6. Replace the DC Controller PCB (UN09).

• Code: E074-0000
• Description: Error in the primary transfer disengagement control
  At the primary transfer disengagement control, the sensor fails to detect although the specified time has passed.
• Remedy: Error in the Primary Transfer Disengagement Solenoid, Error in the Primary Transfer Disengagement Switch, or the ITB Guide Rail error 1. Replace the ITB Unit 2. Check the harness/connector between the DC Controller PCB (UN09/J11) and the Primary Transfer Disengagement Switch (SW01) 3. Check the harness/connector between the DC Controller PCB (UN09/J11) and the Primary Transfer Disengagement Solenoid (SL01) 4. Check conduction of FU6 on the DC Controller PCB (UN09) 5. Replace the ITB Guide Rail 6. Replace the Main Drive 7. Replace the Fixing Drive 8. Replace the DC Controller PCB (UN09)

• Code: E074-FFFF
• Description: ITB rotation detection error
  The sensor fails to detect although it passes through the mark on the ITB for the specified time (ITB is detected as not rotating)
• Remedy: The HP mark is at undetectable state, ITB Top Sensor error, or error in the coupling between the ITB Unit and the ITB Drive 1. Check if the ITB is driven. When the ITB is driven 2-1. Check soil of the HP mark on the ITB Belt 3-1. Check if there is a scar at the edge of the ITB 4-1. Use your hand to check if the shutter of the Registration Patch Sensor Unit can be open 5-1. Check for soil on the window of the Patch Sensor (UN43/ UN44) 6-1. Check movement of the Registration Shutter Solenoid (SL02) COPIER > FUNCTION > PART-CHK > SL to move SL02 7-1. Check the harness/connector between the DC Controller PCB (UN09/J12) and the Patch Sensor (UN43/J4007, UN44/ J4006) 8-1.Replace the Registration Patch Sensor Unit 9-1 Replace the ITB Unit. 10-1. Replace the DCON When the ITB is not driven 2-2. Remove and then install the ITB Unit 3-2 Replace the ITB Unit. 4-2. Replace the Main Drive