4023-001
Low Image Density Service Check
FRU
1
Toner Cartridge
2
Imaging/PC
Cartridge
3
• High Volt-
age Power
Supply
(HV1)
• Fuser Frame
Resistor
Board
(PWB-R1)
• Printer Main
Engine
Board
(PWB-A)
2-38
Service Manual
Action
The toner cartridge may be empty. Replace the
toner cartridge.
Imaging/PC cartridge may be at the end of life.
Replace the imaging/PC cartridge.
The printer may have poor development. Replace
the listed parts in the given order as necessary.