Filter
Top Products
C7350/7550 User’s Guide: Troubleshooting • 527
Print Quality Problems
Shading on unprinted sections
Toner rubs off the output
Output is garbled or incorrect
Possible cause Remedy
Paper has been
affected by static
electricity.
Store paper within specified temperature and
humidity levels.
See Paper (Media)“Recommendations” on
page 62.
Paper is too thick. Use recommended paper.
See Paper (Media)“Recommendations” on
page 62.
Toner is low. Change toner cartridge.
See “Changing the Toner Cartridge” on
page 484.
Possible cause Remedy
Media Weight and
Media Type settings
may not be appropriate.
Set the value of media weight to the next
heaviest one.
See Paper (Media)“Weight and Type” on
page 58
Packing materials were
left on the fuser when it
was installed.
Careful! Fuser may be HOT!
Open the top cover and check to be sure that
all the packing materials were removed from
the fuser.
To remove the fuser, see “Changing the Fuser”
on page 499.
Possible cause Remedy
Possible mismatch on
parallel connection
between computer
and printer.
Change parallel transmission mode.
See “Parallel Interface Problems” on page 528.