Printing Is Uneven - Canon LBP7780CX User Manual

07YL-0KJ

Printing Is Uneven

Perform one of the following solutions according to the cause.
<Cause 1> Paper is too moist or too dry.
Replace the paper with new paper in an unopened package.
Solution
"Precautions for Paper"
<Cause 2> The toner cartridge has run out of toner, has deteriorated, or is damaged.
Check the status of the toner cartridges, and replace the toner cartridge that is almost empty with a new
one.
Solution
"Screen Layout of the Remote UI (Details on Each Setting Page)"
"Toner Cartridge Replacement"
<Cause 3> The drum in any of the toner cartridges has deteriorated.
Replace the toner cartridge with a new one.
Solution
"Toner Cartridge Replacement"