Spots - Xerox 4400DT - Phaser B/W Laser Printer Service Manual

Spots

There are spots of toner randomly scattered on the page.
Initial Actions
Check that the paper supply is clean, dry and fresh (recycled paper may have
I
spots).
Ensure there are no obstructions in the Laser path.
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Inspect the printer paper path for items such as staples, paper clips and paper
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scraps.
Check installation of the Print Cartridge.
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Check that the Print Cartridge ground contacts (on the right side of the Print
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Cartridge and in the Print Cartridge Side Guide in the printer) are clean.
Check that rollers and other components in the paper path are clean and
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unobstructed.
Spots Troubleshooting Procedure
Step Actions and Questions
1 1. Install a new Print Cartridge.
2. Print a Test Print.
Are the spots gone?
2 Inspect the Transfer Roller Assembly for contamination
and wear.
Is the Transfer Roller free of contamination and
wear?
3-68
Yes
Problem
solved.
Go to step 3.
Phaser 4400 Laser Printer Service Manual
No
Go to step 2.
Replace the
Transfer
Roller
Assembly
(RRP 7.1 on
page 6-79).