Canon LBP352 User Manual page 529

<Non-Canon cart. not covered by warranty.>
This message notifies you that the machine may not print in optimum quality. It is recommended that you
replace this cartridge with a new one.
● You can continue printing when this message is displayed, but the print quality may deteriorate.
Doing so may result in damage to the machine.
◼
If Printouts are Poor in Quality
If your printouts begin to show any of the following features, one of your toner cartridges is consumed. Replace the
nearly empty toner cartridge even if no message is displayed.
Streaks appear
Afterimages appear in blank areas
◼
Checking the Amount Remaining in the Toner Cartridge
You can check the amount remaining in the toner cartridge on the main screen. It is recommended that you check the
amount before you start to print a large job.
Maintenance
Partially faded Uneven density
White spots appear
522
How to Replace Toner Cartridges(P. 524)