Xerox Phaser 4500 Service Manual page 240

Print-Quality Troubleshooting
5-24
Horizontal Deletions Troubleshooting Procedure (continued)
Step Actions and Questions
Warning: Allow the fuser
8
assembly to cool before
removing.
1. Open the rear cover and
remove the fuser assembly.
2. Manually rotate the fuser drive
gear and inspect the heat roller.
3. Open the Fuser Jam Access
cover.
4. Manually rotate the fuser drive
gear and inspect the pressure
roller.
Are the heat roller and the
pressure roller free of surface
defects and contamination?
9 Replace in order until the problem
is solved:
HVPS/engine logic PWB
(page 8-73)
Print cartridge right side guide
(page 8-47)
Transfer roller assembly
(page 8-45)
Laser assembly (page 8-38)
Fuser assembly (page 8-44)
Registration clutch (page 8-92)
Main motor assembly
(page 8-55
Gear assembly housing
(page 8-56)
Yes No
Go to step 9. Replace the fuser
assembly
(page 8-44).
Phaser 4500/4510 Service Manual