Service manual

Chapter 13
13-13
T-13-31
T-13-32
T-13-33
T-13-34
T-13-35
NO: Connect them firmly. If a scratch is found in the flexible
cable, replace it.
Cartridge
9) Try replacing the cartridge. Is the problem corrected?
YES: End.
Laser scanner unit, DC controller PCB
10) Try replacing the laser scanner unit. Is the problem corrected?
YES
:
End.
NO:
Replace the DC controller PCB.
Transfer guide
11) Measure the transfer guide and other metal portions. Is the
resistance 0 ohm
YES: Check the area around the toner guide for a piece of metal
(e.g., screw).
High-voltage contact (between transfer charging roller and high-voltage spring)
12) Is the high-voltage spring used to supply high voltage to the
transfer charging roller soiled?
YES: Clean it.
High-Voltage Contact (high-voltage spring and DC controller PCB; J209),
Transfer charging roller