Printing quality problems
263
6. Troubleshooting
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.
Horizontal stripes If horizontally aligned black streaks or smears appear:
• The toner cartridge may be installed improperly. Remove the cartridge and reinsert it.
• The toner cartridge may be defective. Remove the toner cartridge and install a new one (see "Toner cartridge" on page 72).
If the problem persists, the machine may require repairing. 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’s paper option and try again. Go to Printing Preferences, click the Paper tab, and set type to Thin (see
"Opening Printing Preferences" on page 52).
• An unknown image
repetitively appears on a few
sheets
• 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 altitude setting for your machine (see "Altitude adjustment" on page 199).
Condition Suggested solutions
A
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