Xerox Phaser 4510 - Dark Spots or Marks

Solving Print-Quality Problems
Phaser® 4510 Laser Printer
4-11
Dark Spots or Marks
There are dark spots or marks that appear in a random pattern on the page.
Possible Causes Solutions
The paper path may be contaminated with toner. Print several blank sheets of paper to remove the
toner accumulations.
The print cartridge may be defective. Replace the print cartridge.
The fuser may be defective. Replace the fuser (in the maintenance kit).
The transfer roller may be defective. Replace the transfer roller (in the maintenance
kit).