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Solving print quality problems
You can solve many print quality problems by replacing a supply or maintenance item that has reached the
end of its intended life. Check the operator panel for a message about a printer consumable. See
Determining the status of supplies for information about other ways to identify consumables that need to
be replaced.
Use the following table to find solutions to print quality problems.
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:
– 47.0mm (1.85in.)
– 94.5mm (3.72in.)
• Check the first transfer bellcranks and springs or
replace the image transfer unit if the defects occur
every 101.0 mm (3.98 in.)
Marks occur down the page repeatedly in all
colors:
• Replace the transfer roll if the defects occur every
59.7 mm (2.35 in.)
• Replace the fuser if the defects occur every
148.0 mm (5.83 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 If you still have the problem, refer to the Color
Alignment section under the Utilities Menu.
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