Canon imageCLASS MF3010 VP Multifunction Monochrome Laser Printer - Manual (Page 182)

Printing is Uneven
85RS-046
Try one of the following to solve the problem.
Paper is too moist or Too dry.
Solution Replace the paper stack with new unopened one.
" Supported Paper Types(P. 70) "
Toner is nearly empty.
Solution To view the onscreen instructions, see the following.
" Replacing the Toner Cartridge(P. 206) "
The drum in the toner cartridge is deteriorated.
Solution Replace the toner cartridge with new one.
" Replacing the Toner Cartridge(P. 206) "
Troubleshooting
177