Xerox Phaser 4500, Service Manual

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5-24 Phaser 4500 Service Manual
3 1. Load fresh, dry paper.
2. Print a test print.
Is the problem still present?
Go to step 4. Problem solved.
4 1. Install a new Print Cartridge.
2. Print a test print.
Is the problem still present?
Go to step 5. Problem solved.
5 Inspect the Transfer Roller Assembly
for contamination and wear.
Is the Transfer Roller free of
contamination and wear? Go to step 6. Replace the Transfer
Roller Assembly
(page 8-55).
6 1. Print a test print.
2. Switch OFF the printer power
halfway through the print cycle.
3. 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 and no
horizontal deletions?
Go to step 7. Go to “HVPS/Engine
Logic Board” on
page 4-35.
7 Inspect the toner image on the drum
immediately after the transfer area
(Transfer Roller).
Was the toner image on the drum
transferred to the paper? Go to step 8. Go to “HVPS/Engine
Logic Board” on
page 4-35.
8
Warning: Allow the Fuser 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?
Go to step 9. Replace the Fuser
Assembly (page 8-54).
Horizontal Deletions Troubleshooting Procedure (Continued)
Step Actions and Questions Yes No