Description: LD error
The IPU (EGB) detects a problem at the LD unit.
Causes: Worn-out LD. Disconnected or broken harness of the LD. 1. Replace the laser optics unit.
Code: 300
Description: High voltage power output error
The measured voltage is not correct when the EGB measures each charge output (charge, development, image transfer belt unit, and transfer unit).
Causes: Disconnected or defective high voltage harness. Defective high voltage power supply. Defective EGB 1. Check or replace the harnesses. 2. Replace the high voltage power supply board 3. Replace the EGB.
Code: 396
Description: Black drum motor error
The LOCK signal error is detected when the EGB monitors the black drum motor state. (This monitoring is done immediately after power-on, when the motor starts rotating, and immediately after the motor stops.)
Causes: Disconnected or defective motor harness. Motor slips due to excessive load 1. Check the harness from the black drum motor. Replace it if necessary.
Code: 397
Description: Color drum motor error
The LOCK signal error is detected when the EGB monitors the color drum motor state. (This monitoring is done immediately after power-on, when the motor starts rotating, and immediately after the motor stops.)
Causes: Disconnected or defective motor harness. Motor slips due to excessive load 1. Check the harness from the color drum motor. Replace it if necessary.
Code: 445
Description: ITB (Image Transfer Belt) Unit: Home Position Error
The ITB contact sensor does not detect the home position of the ITB for 5 seconds after the ITB unit initialization has been done. ITB (Image Transfer Belt) Unit: Contact Position Error The ITB contact sensor does not detect the contact position of the ITB for 5 seconds after the ITB unit has moved to the contact position. ITB (Image Transfer Belt) Unit: No-contact Position Error The ITB contact sensor does not detect the home position of the ITB for 5 seconds after the ITB unit has moved to no-contact position.-
Causes: Defective ITB contact motor. Defective ITB contact sensor. Defective ITB unit 1. Replace the ITB contact motor. 2. Replace the ITB contact sensor. 3. Replace the ITB unit.
Code: 480
Description: Agitator Motor Error
The agitator motor error is detected twice for 10 msec during the initialization at power-on or after the cover is closed.
Causes: Disconnected or defective harness. Defective agitator motor 1. Check or replace the harness. 2. Replace the agitator motor.