Dark Spots Or Marks - Dell 7330 User Manual

Dark Spots or Marks

There are dark spots or marks that appear in a random pattern on the page.
Possible Causes
The paper path may be contaminated with toner.
The drum cartridge may be defective.
The fuser may be defective.
The transfer roller may be defective.
Print several blank sheets of paper to remove the
toner accumulations.
Replace the drum cartridge.
Replace the fuser.
Replace the transfer roller.
Dell 7330 Mono Laser Printer
6-64
Print-Quality Problems
Solutions