Printouts are faint.

Please check the following points:

Check the printer's environment. Conditions such as humidity and high temperatures may cause this print fault.
If the whole page is too light, Toner Save Mode may be on. Turn off Toner Save Mode in the printer Properties tab of the driver.
Put in a new toner cartridge. To see how to replace the toner cartridge, click here.
Put in a new drum unit. To see how to replace the drum unit, click here.
Increase the print density by using the QUALITY menu on the printer control panel.
You may clear the problem by wiping the scanner window with a soft cloth. To see how to clean the inside of the printer, click here.

FAQs & Troubleshooting