Lexmark C912 Service Manual - Page 140

5055-xxx Problem Light lines or streaks appear on the printed page. Cyan dots or streaks in area of like cyan coverage. Action Clean the LEDs. Make sure the affected photodeveloper is completely installed in the printer. Remove the affected toner cartridge and gently shake it back and forth to distribute the toner evenly. Reinsert the toner cartridge and try printing the job again. Replace the affected toner cartridge. Replace the photodevelopers. If the problem only occurs when printing black, replace just the black photodeveloper. If the problem occurs when printing one of the colors, replace all three of the color photodevelopers and the transfer belt. If the problem remains, go to "Uneven printing" on page 2-97. Make sure the printer code is at EC2 level or later. The page is blank. Be sure the affected print unit is completely installed in the printer. Replace the affected toner cartridge. If the problem remains, go to "No image" on page 2-94. 2-90 Service Manual