Lexmark Optra E Service Manual - Page 61

4026-0XX Spot or Marks At Same Spot On Every Print Note: Do not expose the photoconductor to light any longer than necessary when you remove the photoconductor unit from the printer. FRU Action 1 Photoconduc- Remove the photoconductor unit assembly and tor Unit check the photoconductor for voids, spots, or Assembly damage. 2 Fuser Paper If black spots are observed approximately 70 Separators mm apart, check the fuser paper separators for toner buildup. Clean or replace as necessary. Blank Page FRU Action 1 Toner Car- Remove the toner cartridge and gently shake tridge the assembly to evenly distribute the toner. 2 Printhead Be sure the printhead actuator in the top cover actuates the printhead switch in the printhead assembly. 3 Printhead Blank pages can be caused by a defective print- Assembly head assembly or engine board. If the toner car- tridge is operating correctly, replace the printhead assembly. If this does not correct the problem, replace the engine board. All Black Page Note: Incorrect laser exposure or incorrect charging of the photoconductor causes an all black page. FRU Action 1 Right Side Check for a bent, broken, contaminated, or pit- Frame Termi- ted drum charge bias terminal or drum ground nals terminal located on the right side frame. Replace as necessary. Diagnostic Information 2-39