Lexmark T520 User's Guide - Page 80

Problem Action Toner fog or background • Check the print cartridge to make sure it is installed correctly. shading appears on the page. • Change the print cartridge. See Replacing the print cartridge for more details. • If the problem continues, change the charge roll. See Replacing the charge roll for more details. Entire page is white. • Make sure the packaging material is removed from the print cartridge. • Check the print cartridge to be sure it is installed correctly. • The toner may be low. To utilize the remaining toner, remove the cartridge by gripping the handles with both hands. With the cartridge arrows pointing downward, shake the print cartridge back and forth. Reinstall the cartridge and then press Go. Streaks appear on the page. • The toner may be low. To utilize the remaining toner, remove the cartridge by gripping the handles with both hands, and then shake the print cartridge gently back and forth. Reinstall the same print cartridge. • If you are using preprinted forms, make sure the ink can withstand temperatures of 212°C (414°F). Printing is too dark. Change the Toner Darkness setting in the Quality Menu. Note: Macintosh computer users should make sure the lines per inch (lpi) setting is not set too high in the software application. 78