Samsung CLP-680ND: CLP-775ND, User Manual

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Printing quality problems
246
6. Troubleshooting
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 43).
• 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 195).
Condition Suggested solutions