Canon MF8580Cdw Manual page 593

reason may be that a toner cartridge that has reached the end of its lifetime is still inserted in the machine. It is recommended that
you replace this cartridge with a new one.
Pressing <Close> will return to the main screen.
IMPORTANT
You can continue printing when this message is displayed, but the print quality may deteriorate.
If Printouts are Poor in Quality
If your printouts begin to show any of the following features, one of your toner cartridges is nearly empty. Replace the nearly empty
toner cartridge even if no message is displayed.
How to Replace Toner Cartridges
White streaks appear
Toner smudges and splatters appear
Checking Toner Level
You can check the level of remaining toner according to the following, whenever you want to. It is recommended that you check the
level before you start to print a large job.
(Status Monitor)
Toner Level Messages
<OK>: There is no need to replace the toner cartridges.
<Low>: The toner is low. Make sure that you have a replacement toner cartridge ready.
<Nearly Out>: Replacing the toner cartridge with a new one is recommended.
LINKS
About Replacement Toner Cartridges
Downloaded from ManualsPrinter.com Manuals
Blank space of originals becomes grayish in printouts
<Device Status> <Remaining Toner>
Partially faded
Check the toner level
Uneven density