5-20 Phaser 4500/4510 Service Manual
Print-Quality Troubleshooting
Vertical Deletions
A vertical band in the process direction (direction of paper travel) where the
image is missing or extremely light.
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 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.
■ Ensure there are no obstructions in the
laser path.
■ Check that rollers and other components
in the paper path are clean and unobstructed.
Vertical 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 Inspect the laser beam path
between the Laser Assembly and
the Drum.
Is the laser beam path free of
obstructions?
Go to step 4. Remove any
obstructions from the
laser beam path.
4 Inspect the paper path, between
feed and exit, for contamination
or obstructions.
Is the paper path free of
obstructions?
Go to step 5. Remove obstructions
or contamination
from the paper path.
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 8-45).
s4510-040
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Weight and Dimensions
