Code
Level
Details
220
D
Beam Synchronization Error
The top cover is closed and locked, and the polygon motor is locked, but laser
synchronization could not be achieved within 400 ms.
• The I/F harness of the LDB is loose, broken, or defective.
• The polygon motor is locked.
• The angle of incidence of the laser beam and photo-detector is not correct.
• Cycle the power OFF/ON.
• Replace the I/F harness.
• Replace the polygon motor.
• Replace the laser unit.
• Replace the main board.
SC4xx: Bias Leak
Code
Level
Details
491
D
Bias Leak
A bias leak has occurred for the drum charge, development charge, or transfer
charge.
PWM signals are sampled at 20 ms intervals. This SC is issued if 10 PWM
samplings within 200 ms are abnormal.
• The HVP harness is loose, broken, or defective.
• The HVP board is defective.
• The AIO terminal is defective.
• Cycle the power OFF/ON.
• Check all the harness connections of the HVP.
• Check the spring-loaded AIO terminal installation behind the HVP.
• Replace the HVP.
5. Troubleshooting
68
Содержание M0AE-17
Страница 1: ...Model Rev P1 MF1 Machine Codes SFP M290 M0AF MFP M291 M0AE Field Service Manual January 2016 ...
Страница 2: ......
Страница 18: ...16 ...
Страница 24: ...1 Product Information 22 ...
Страница 26: ...2 Installation and Preventive Maintenance 24 ...
Страница 49: ...2 Remove the HVP A x4 x1 Electrical Components 47 ...
Страница 56: ...3 Replacement and Adjustment 54 ...
Страница 79: ...6 Energy Saving Energy Save Energy Saving Modes 77 ...
Страница 80: ...MEMO 78 ...
Страница 81: ...MEMO 79 ...
Страница 82: ...MEMO 80 EN ...