5-36 Phaser 4500/4510 Service Manual
Print-Quality Troubleshooting
Spot Deletions
Solid areas are marked with irregular white areas.
Initial Actions
■ Check that the paper supply is dry and
fresh.
■ Inspect the printer paper path for foreign
items, such as staples, paper clips, and
paper scraps.
■ Check the installation of the print
cartridge.
■ Check that the print cartridge ground
contacts (on the right side of the print
cartridge and in the print cartridge Right
Side Guide in the printer) are clean.
Spot Deletions Troubleshooting Procedure
Step Actions and Questions Yes No
1 1.Load fresh, dry paper
2.Print a test print
Is the problem still present?
Go to step 2. Problem solved.
2 1.Install a new print cartridge.
2.Print a test print.
Is the problem still present?
Go to step 3. Problem solved.
3 1.Generate a test print, and
switch OFF the printer power
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).
Before transfer, was the toner
image on the drum normal and
without spot deletions, but there
were spot deletions on the paper
after transfer?
Replace the
transfer roller
assembly
(page 8-45).
Go to step 4.
s4510-044
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