Samsung CLP-680ND User Manual page 242

Printing quality problems
Condition
Misformed characters
Page skew
Curl or wave
• If characters are improperly formed and producing hollow images, the paper stock may be too slick. Try different paper.
• Ensure that the paper is loaded properly.
• Check the paper type and quality.
• Ensure that the guides are not too tight or too loose against the paper stack.
• Ensure that the paper is loaded properly.
• Check the paper type and quality. Both high temperature and humidity can cause paper curl.
• Turn the stack of paper over in the tray. Also try rotating the paper 180° in the tray.
Suggested solutions
243
6. Troubleshooting