Solving other problems
257
9. 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 284).
• 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 284).
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 70).
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