White Spots Appear - Canon LBP312 SERIES User Manual

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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 <Special Deliv. Mode>. Setting to <On> may solve the problem.
Special Deliv. Mode(P. 404)
If you select <On>, the print speed may be slower.

White Spots Appear

Are 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)
Troubleshooting
497

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