Fixing Unit(P. 509)Is the amount remaining in toner cartridge running low?● Check how much toner is left, and replace the toner cartridge as necessary.Replacing Toner Cartridges(P. 510)Is it time to replace the toner cartridge?● Materials inside the toner cartridge may have deteriorated. Replace the toner cartridge.How to Replace Toner Cartridges(P. 513)Do black horizontal streaks appear in the leading edge of paper?● Change the setting of . Setting to may solve the problem.Special Deliv. Mode(P. 404)● If you select , the print speed may be slower.White Spots AppearAre you using paper that has absorbed moisture?● Replace with appropriate paper.Loading Paper(P. 38)Are you using appropriate paper?● Check usable paper, and replace with appropriate paper.Paper(P. 558)Loading Paper(P. 38)Is it time to replace the toner cartridge?● Materials inside the toner cartridge may have deteriorated. Replace the toner cartridge.How to Replace Toner Cartridges(P. 513)Troubleshooting497
