Samsung SL-C410W-XAA - Manual (Page 187)

Printing quality problems
187 5. Troubleshooting
Wrinkles or creases • Ensure that the paper is loaded properly.
• Check the paper type and quality.
• Turn the stack of paper over in the tray. Also try rotating the paper 180° in the tray.
Back of printouts are dirty • Check for leaking toner. Clean the inside of the machine (see "Cleaning the machine" on page 53).
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. Remove the imaging unit and install a new one (see "Replacing the imaging unit" on page 51).
• The machine may require repairing. Contact a service representative.
Condition Suggested Solutions
A