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Solving print quality problems
93
Troubleshooting
The information in the following table may help you solve print quality problems. If these suggestions still do not correct the
problem, call for service. You may have a printer part that requires adjustment or replacement.
Symptom Cause Solution
Color misregistration Color has shifted outside of the
appropriate area or has been
superimposed over another color
area.
Open the printer door, and make sure all four
packaging tabs are removed.
Top to Bottom or Left to Right:
1 Re-seat the cartridges by removing them from the
printer and then reinserting them.
2 Invoke a Color Adjust operation from the Settings
Æ Quality menu.
Repeating defects Either the print cartridges are
defective, the image transfer unit
and transfer roller are defective,
or the fuser is defective.
Marks occur repeatedly only in one color and
multiple times on a page:
• Replace the cartridge if the defects occur every:
– 38 mm (1.5 in.)
– 48 mm (1.9 in.)
– 97 mm (3.8 in.)
Marks occur down the page repeatedly in all
colors:
• Replace the transfer roll if the defects occur every
60 mm (2.4 in.)
• Check the first transfer bellcranks and springs or
replace the image transfer unit if the defects
occur every 101 mm (4 in.)
• Replace the fuser if the defects occur every
148 mm (5.8 in.)
Marks occur on every third or sixth page in any
color:
Replace the image transfer unit.
White or colored line Either the print cartridges are
defective, the image transfer unit
and transfer roller are defective,
or the fuser is defective.
1 Replace the color print cartridge that is causing
the line.
2 If you still have the problem, replace the image
transfer unit and transfer roller.
3 If you still have the problem, replace the fuser.
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