Xerox Phaser 4510 - Repeating Defects

5-38 Phaser 4500/4510 Service Manual
Print-Quality Troubleshooting
Repeating Defects
Recurring marks, spots, lines, or voids.
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.
Repeating Defects Troubleshooting Procedure
Step Actions and Questions Yes No
1 1.Replace paper with fresh, dry
paper.
2.Print a test print.
Do the repeating defects still
appear?
Go to step 2. Problem solved.
2 Do the defects occur every:
■ 38 mm (1.5 in.)
■ 52 mm (2.0 in.)
■ 94.4 mm (3.72 in.)
Install a new print
cartridge.
Go to step 3.
3 Do the defects occur every:
51 mm (2.0 in.)
Replace the
transfer roller
assembly
(page 8-45).
Go to step 4.
4 Do the defects occur every:
94.2 mm (3.7 in.)
Replace the fuser
assembly
(page 8-44).