Xerox Phaser 4500 Service Manual page 237

Phaser 4500/4510 Service Manual
Vertical Deletions Troubleshooting Procedure (continued)
Step Actions and Questions
Warning: Allow the fuser
6
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 pressure
roller free of surface defects and
contamination?
7 Replace in order until the problem
is solved.
transfer roller assembly
(page 8-45)
Laser Assembly (page 8-38)
Fuser assembly fuser
assemblypage 8-44)
Engine Logic Board (page 8-73)
Print-Quality Troubleshooting
Yes No
Go to Step 7. Replace the fuser
assembly ("Fuser
Assembly" on
page 8-44)
5-21