Dell 2330d/dn Mono Laser Printer - Manual (Page 77)

Try the following:
Replace the toner cartridge.
Replace the fuser
2
.
Streaked vertical lines appear on the page.
Toner is smeared before fusing to the paper.
The toner cartridge is defective.
Try the following:
If the paper is stiff, try feeding from another tray or the multipurpose feeder.
Replace the toner cartridge.
The page contains print irregularities.
Paper has absorbed moisture due to high humidity.
You are using paper that does not meet the printer specifications.
The fuser 2 is worn or defective.
Try the following:
Load paper from a fresh package into the paper tray.
Avoid textured paper with rough finishes.
Ensure that the Paper Type setting matches the paper loaded in the tray.
Replace the fuser 2 .
The transparency print quality is poor. (Print has inappropriate light or dark spots, toner is smeared, or
horizontal or vertical light bands appear.)
You are using transparencies that do not meet the printer specifications.
The Paper Type setting is set to something other than Transparency.
Try the following:
Use only transparencies recommended by Dell.
Ensure that the Paper Type setting is Transparency.
Toner specks appear on the page.
The toner cartridge is defective.
The fuser 2 is worn or defective.