Lexmark X642E User's Guide - Page 172

Problem Toner fog or background shading appears on the page. Action • Check the print cartridge to make sure it is installed correctly. • The Toner Darkness setting may be too dark. Change the Toner Darkness setting in the Quality menu. • Verify the environment is Class B. • Replace the charge rolls. • Replace the print cartridge. 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, firmly shake the print cartridge side-to-side and front-to-back several to redistribute the toner. Reinstall the cartridge. Repeat this procedure multiple until the print remains faded. When the print remains faded, replace the print cartridge. 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. With the cartridge arrows pointing downward, firmly shake the print cartridge side-to-side and front-to-back several to redistribute the toner. Reinstall the cartridge. Repeat this procedure multiple until the print remains faded. When the print remains faded, replace the print cartridge. • If using preprinted forms, make sure the ink can withstand temperatures of 230°C (446°F). Printing is too dark. • Change the Toner Darkness setting in the Quality menu. • Change the Brightness setting in the Quality menu. • Verify the environment is 16 to 32 degrees C (60 to 90o F). Note: Macintosh computer users should make sure the job lines per inch (lpi) setting is not set too high in the software application. 172