Canon MG2500 series Online Manual page 135

Both Black and Color
Uses the FINE cartridges installed on the machine, which are color and black.
Important
When a setting other than Plain Paper or Envelope is selected for Media
Type on the Main tab, Black Only is disabled because the machine uses the
color FINE cartridge to print documents.
Do not detach the FINE cartridge that is not in use. Printing cannot be
performed while either FINE cartridge is detached.
Bottom Plate Cleaning
Performs cleaning of the bottom plate of the machine.
To prevent smudges on the back side of a sheet of paper, perform Bottom Plate Cleaning
before you perform duplex printing.
Also perform Bottom Plate Cleaning if ink smudges caused by something other than print
data appear on the printed page.
Roller Cleaning
Cleans the paper feed rollers.
Paper feeding may fail if paper dust has stuck to the printer's paper feed rollers. In this
case, clean the paper feed rollers to improve the print result.
Power Off
Turns off the printer from the machine driver.
Perform this function to turn off the machine when you cannot press the ON button
(POWER button) on the printer because the machine is out of your reach.
You must press the ON button (POWER button) on the printer to turn the machine on again
after clicking this button. When you use this function, you will not be able to turn the printer
on from the printer driver.
Auto Power
Opens the Auto Power Settings dialog
Specify settings for operating the machine power automatically. Perform this function if you
want to change the auto power settings.
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