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. See “Determining the
status of supplies” in the User’s Guide 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 a toner cartridge, a
photodeveloper, the transfer belt or the
fuser is defective.
Marks occur repeatedly only in one
color and multiple times on a page:
• Replace the toner cartridge if the
defects occur every:
– 45.1mm (1.78in.)
–60mm (2.4in.)
• Replace the photodeveloper (black
alone or all other colors at once) if
the defects occur every:
–31.5mm (1.2in.)
–94mm (3.7in.)
Marks occur across the page
repeatedly in all colors:
• Replace the transfer belt if the
defects occur every 27 mm (1.1 in.)
• Replace the fuser if the defects occur
every 140 mm (5.5 in.)
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. Use the
Alignment page under the Utilities
Menu.
dark lines
A toner cartridge, a photodeveloper, or
the transfer belt is defective.
If the problem is on the front (print side)
of the page:
1 Replace the color cartridge causing
the line.
2 If you still have the problem, replace
the photodeveloper (black alone or
all other colors at once).
If the problem is on the back of the
page, replace the transfer belt.
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