Solving other problems
382
15. Troubleshooting
Solid Color or
Black pages
• The imaging unit may not be installed properly. Remove
the imaging unit and reinsert it.
• The imaging unit may be defective and need replacing.
Remove the imaging unit and install a new one. Contact a
service representative.
• The machine may require repair. Contact a service
representative.
Loose toner • Clean the inside of the machine. Cleaning the inside or
contact a service representative.
• Check the paper type and quality (see "Print media
specifications" on page 393).
• Remove the imaging unit and install a new one. Contact a
service representative.
• If the problem persists, the machine may require repair.
Contact a service representative.
Character Voids Character voids are white areas within parts of characters that
should be solid black:
• You may be printing on the wrong surface of the paper.
Remove the paper and turn it around.
• The paper may not meet paper specifications (see "Print
media specifications" on page 393).
Condition Suggested Solutions
Horizontal
stripes
If horizontally aligned black streaks or smears appear:
• The imaging unit may be installed improperly. Remove the
imaging unit and reinsert it.
• The imaging unit may be defective. Remove the imaging
unit and install a new one. Contact a service
representative.
• If the problem persists, the machine may require repair.
Contact a service representative.
Curl If the printed paper is curled or paper does not feed into the
machine:
• Turn the stack of paper over in the tray. Also try rotating
the paper 180° in the tray.
• Change the printer option and try again. Go to Printing
Preferences, click Paper tab, and set type to thin paper
(see "Opening printing preferences" on page 96).
• In high humidity areas, do not leave paper in the machine
for extended periods of time.
An unknown
image
repetitively
appears on a
few sheets or
loose toner,
light print, or
contamination
occurs.
Your machine is probably being used at an altitude of 1,000 m
(3,281 ft) or above.
The high altitude may affect the print quality, such as loose
toner or light imaging. Change the correct altitude setting to
your machine.
Condition Suggested Solutions