Samsung Xpress C48x series User Manual page 278

Printing quality problems
Condition
Wrinkles or creases
Back of printouts are dirty
Solid color or black pages
A
• 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.
• Check for leaking toner. Clean the inside of the machine (see "Cleaning the machine" on page 95).
• 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 89).
• The machine may require repairing. Contact a service representative.
Suggested solutions
294
6. Troubleshooting