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Solving print quality problems
94
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
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:
– 48 mm (1.9 in.)
–97mm (3.8in.)
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.
Color misregistration Color has shifted outside of the
appropriate area or has been
superimposed over another color
area.
Top to Bottom or Left to Right:
1 Re-seat the cartridges by removing them from the
printer and then reinserting them.
2 Adjust the Color Alignment under the Utilities
Menu.
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 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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