Lexmark C752 Help Manual page 26

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
Repeating defects
Color
misregistration
ABCDE ABCDE
ABCDE
ABCDE
White or colored
line
ABCDE
ABCDE
ABCDE
Cause
Either the print cartridges are defective,
the image transfer unit and transfer
roller are defective, or the fuser is
defective.
Color has shifted outside of the
appropriate area or has been
superimposed over another color area.
Either the print cartridges are defective,
the image transfer unit and transfer
roller are defective, or the fuser is
defective.
Print quality guide
Page 1 of 4
Solution
Marks occur repeatedly only in one
color and multiple times on a page:
• Replace the cartridge if the defects
occur every:
– 47.0 mm (1.85 in)
– 96.0 mm (3.78 in)
• 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 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.
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.
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.