Blank Or Black Prints - Xerox Phaser 6120 Service Manual

Blank or Black Prints

Typical Faulty Images
Blank print
Troubleshooting Procedure
Step Section
1 Image check Does a blank print occur?
2 Imaging Unit Is the gear of the Imaging Unit drive
mechanism installed properly?
3 Is the charge corona voltage contact
or photo conductor ground contact of
the Imaging Unit connected properly?
4 High Voltage Is the connector connected properly? NO
Unit
5 Have steps 1-4 eliminated the
problem?
Phaser® 6120 Color Laser Printer Service Manual
Black print
4036fs4038c0
4036fs4039c0
Check Item
4-35
Image-Quality Problems
Result Action
YES Check the Laser Unit (PH)
connector for proper connection.
NO Check or correct the drive
transmitting section or replace the
Imaging Unit.
NO Check, clean, or correct the
contact.
Reconnect.
NO Replace the High Voltage
Unit.
Replace the Mechanical
Control Board.
Replace the Laser Unit (PH)
Unit.