Xerox Phaser 4500 Service Manual

Print-Quality Troubleshooting 5-17
4
Check for continuity between the
Metal Grounding Contact and the
printer body frame.
Is there continuity between the
Metal Grounding Contact and the
printer frame?
Go to step 5. Replace the Print
Cartridge Right Guide
(page 8-58).
5
Inspect the Laser Beam path
between the Laser Assembly and
the Drum for obstructions.
Is the Laser Beam path free of
obstructions?
Go to step 6. Clean the Laser
window and remove
any obstructions from
the laser beam path.
6
Is the Transfer Roller intact and
free of contamination?
Go to step 7. Replace the Transfer
Roller (page 8-55).
7
1. Generate a test print and switch
printer power OFF halfway
through the print cycle.
2. Carefully remove the Print
Cartridge and inspect the toner
image on the drum just before the
transfer area (Transfer Roller).
Is the image on the drum
completely developed with sharp,
black, easy-to-read areas?
Go to step 8. Go to “HVPS/Engine
Logic Board” on
page 4-35.
8
Inspect the toner image on the drum
immediately after the transfer area
(Transfer Roller).
Is the toner image on the drum
transferred completely to the
paper?
Go to step 9. Go to “HVPS/Engine
Logic Board” on
page 4-35.
9
Replace in order until the problem is
solved:
■ HVPS/Engine Logic PWB
(page 8-89)
■ Laser Assembly (page 8-46)
■ Transfer Roller (page 8-55)
Light Prints Troubleshooting Procedure (Continued)
Step Actions and Questions Yes No

Xerox Phaser 4500 Specifications

General

Brand	Xerox
Model	Phaser 4500
Category	Printer
Language	English