Solving other problems
267
10. Troubleshooting
Toner specks • The paper may not meet specifications; for example, the
paper may be too moist or rough (see "Print media
specifications" on page 282).
• The transfer roller may be dirty. Clean the inside of your
machine. Contact a service representative.
• The paper path may need cleaning. Contact a service
representative.
• Check the location of the machine. If the area is not well-
ventilated, this problem may occur.
Dropouts If faded areas, generally rounded, occur randomly on the
page:
• A single sheet of paper may be defective. Try reprinting
the job.
• The moisture content of the paper is uneven or the paper
has moist spots on its surface. Try a different brand of
paper (see "Print media specifications" on page 282).
• The paper lot is bad. The manufacturing processes can
cause some areas to reject toner. Try a different kind or
brand of paper.
• Change the printer option and try again. Go to Printing
Preferences, click Paper tab, and set type to thick paper
(see "Opening printing preferences" on page 75).
• If these steps do not correct the problem, contact a service
representative.
Condition Suggested Solutions
White Spots If white spots appear on the page:
• The paper is too rough and a lot of dirt from a paper falls to
the inner devices within the machine, so the transfer roller
may be dirty. Clean the inside of your machine. Cleaning
the inside or contact a service representative.
• The paper path may need cleaning. Cleaning the inside or
contact a service representative.
Vertical lines If black vertical streaks appear on the page:
• The drum inside the printer has probably been scratched.
Remove the imaging unit and install a new one. Contact a
service representative.
If white vertical streaks appear on the page:
• The surface of the LSU part inside the machine may be
dirty. Cleaning the inside or contact a service
representative.
If vertical streaks appear on the page:
• The surface of the scanner glass and its white sheet may be
dirty. Cleaning the inside or contact a service
representative.
Condition Suggested Solutions
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