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Print quality guide
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Print quality guide
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.
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:
–48mm (1.9in.)
–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.)
• 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.
3 Align 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
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.
Streaked
horizontal lines
The print cartridges, the transfer roller,
image transfer unit, or fuser may be
defective, empty, or worn.
Replace the print cartridge, the transfer
roller, the image transfer unit, or fuser
as needed.
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