Specifications

4-10
persists, replace the toner cartridge.
• Replace the High Voltage Unit.
• Clean the LED print head.
Defective Drum
• Replace the Drum Cartridge.
Poor image transfer
• Replace the Image Transfer Unit.
• Replace the High Voltage Unit.
• Replace the Main Control PCB.
4.11.5 Blurred background
Symptom: Copies show a gray or dark background.
ABCDE
ABCDE
ABCDE
ABCDE
ABCDE
Poor development
• Replace the High Voltage Unit.
• Replace the Main Control PCB.
• Replace the Toner Cartridge.
• Replace the Drum Cartridge.
4.11.6 Uneven print density
Symptom: Image graduates from dark to light across page.
B
B
B
B
B
A
A
A
A
A
CDE
CDE
CDE
CDE
CDE
Poor development
• Remove the toner cartridge and shake it a few times to redistribute the toner inside. If the problem
persists, replace the toner cartridge.
• Replace the High Voltage Unit.
• Clean the LED print head.