Gray background

Make sure that you use paper that meets our specifications. Please see "What is the recommended paper?".
Check the machine's environment. Conditions such as high temperatures and high humidity can increase the amount of background shading.
The toner cartridge may be damaged. Put in a new toner cartridge. Please see the instructions, "How do I replace the toner cartridge?".
The drum unit may be damaged. Put in a new drum unit. Please see the instructions, "How do I replace the drum unit?".

Ofte stillede spørgsmål og fejlfinding