Lexmark 12N0004 User's Guide - Page 145

46 Solving print quality problems Problem Action Print is too light, or printed images or characters have voids or dropouts. Make sure you're using recommended paper or other media. Use media from a new package. See Media guidelines. Make sure you have selected the correct Paper Type setting for the media you're using. Set Toner Darkness to 4 in the Color Menu. Clean the LEDs. See Cleaning the LEDs. If you suspect a toner cartridge is low on toner, remove the appropriate cartridge and gently shake it back-and-forth to distribute the toner evenly. Reinsert the cartridge and try printing the job again. Replace the toner cartridge that matches the color on the page that is too light or not present in the void areas. See Replacing a toner cartridge. Replace the photodevelopers. If only black print appears light, you can replace just the black photodeveloper. If one of the colors prints too light, replace all three of the color photodevelopers. See Replacing a photodeveloper. Colored lines, streaks, or smudges appear on the printed page, or print appears blurred or unclear. Clean the LEDs. See Cleaning the LEDs. Remove the affected toner cartridge and gently shake it back-and-forth to distribute the toner evenly. Reinsert the cartridge and try printing the job again. See Replacing a toner cartridge. Replace the toner cartridge that matches the color of the lines, streaks, or smudges on the page. See Replacing a toner cartridge. Replace the photodevelopers. If only black print appears light, you can replace just the black photodeveloper. If one of the colors prints too light, replace all three of the color photodevelopers. See Replacing a photodeveloper. Toner specks appear on the page. Replace the oil coating roll. See Ordering supplies. 143