4023-001
Foggy Background Service Check
FRU
1
Imaging/PC
Cartridge
2
• High Volt-
age Power
Supply
(HV1)
• Fuser Frame
Resistor
Board
(PWB-R1)
• Printer Main
Engine
Board
(PWB-A)
Action
PC drum may have reached end of life. Replace
the imaging/PC cartridge.
The printer may have poor development. Replace
the listed parts in the given order as necessary.
Diagnostic Information
2-39