Dell 7330dn Mono Laser Printer User's Guide - Page 206
Dark Spots or Marks
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Print-Quality Problems 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. 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
Dell 7330 Mono Laser Printer
6-64
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 drum cartridge may be defective.
Replace the drum cartridge.
The fuser may be defective.
Replace the fuser.
The transfer roller may be defective.
Replace the transfer roller.