Canon i-SENSYS LBP151dw User Manual page 257

<The amount remaining in the cartridge cannot be displayed correctly.>
You can continue printing when these messages are displayed, but the print quality may deteriorate.
Doing so may also result in damage to the machine.
If you continue printing when <Non-Canon Cartridge May Be in Use> is displayed, click
◼
If Symptoms Like the Following Appear
The toner cartridge is nearly empty or the materials inside the toner cartridge may be deteriorated or damaged. If any
of the following symptoms appears, use them as a guide to when to replace the toner cartridge even when no
message is displayed. How to Replace Toner Cartridges(P. 256)
White streaks appear
Afterimages Appear in Blank Areas
White Spots Appear
Maintenance
Faded Uneven density
Toner smudges and splatters appear
Blank space becomes grayish in printouts
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