Solving Problems with Printin g Qu ality 119

Lateral lines
or bands
appear on
image.
The printer is not on a level
enough surface. Level the printer (not exceeding 1.0° slant).
The media path is dirty with
toner. Print several sheets and the excess toner should
disappear.
The fuser oil roller is dirty or
worn. Remove the fuser oil roller and check the roller surface for
dirt or worn places. If necessary, replace the fuser oil roller.
The toner cartridge is
defective or damaged. Remove the toner cartridge and check for damage.
If necessary, replace it.
The OPC drum surface is
scratched. Remove the OPC drum cartridge and check the green
photosensitive surface for scratche s. If necessar y,
replace the entire drum kit.
The transfer belt is misin-
stalled or defective . Remove the transfer belt and reinstall it. If necessary,
replace it.
Lateral lines
appear cycli-
cal ly (e v enl y
spaced) on
image.
Lateral lines have 1–2 mm
spacing. Replace the entire drum kit.
Lateral lines have 35 mm
spacing. Replace the color toner cartridge.
Lateral lines have 75 mm
spacing. Repl ace the image trans fer roller.
Lateral lines have 95 mm
spacing. Replace the entire drum kit.
Lateral lines have 204 mm
spacing. Repl ace the fusing unit
Trailing edge 35 mm, other
spacing Replace the entire drum kit.
Symptom Cause Solution