NEC 6110 Solving Problems with Printing Quality92

Solving Problems with Printing Quality92
There are
toner
smudges
on the back
side of the
page
(whether or
not it has
been
duplexed).
The paper transport
rollers may be dirty. Clean the paper transport, pressure, and fuser oil rollers.
Check the transport roller for damage. If nec-
essary, replace it.
The media path is dirty
with toner. Print several blank 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. Remove the toner cartridge and check for damage. If necessary, replace it.
The OPC belt cartridge
is defective. Remove the OPC belt cartridge and check for damage. If necessary, replace it.
The fuser unit is
defective. Replace the fuser unit.
Image
defects in
same place
on every
page.
The transfer belt is
defective. Remove the transfer belt and check for dam- age. If necessary, replace it.
The OPC belt is
defective. Remove the OPC belt cartridge and check for damage. If necessary, replace it.
Abnormal
areas
(white or
black)
appear in a
regular
pattern.
Width of abnormal
area:
1.25" (31.75 mm)
The toner cartridge is
damaged.
Remove the toner cartridge with the color
causing the abnormal image. Replace it with a
new toner cartridge.
Width of abnormal
area:
3.25" (82.55 mm)
The OPC belt cartridge
is damaged.
Replace the OPC belt cartridge.
Symptom Cause Solution
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