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Consumables

The following is a guide to the estimated replacement time for the consumables used in
this machine. Purchase consumables at your local authorized Canon dealer. Observe
safety and health precautions when storing and handling consumables. For optimum
print quality, using Canon genuine Toner, Cartridge and Parts is recommended.
To handle and store consumables, observe precautions in "Getting Started" provided for this product.
Depending on the installation environment, printing paper size, or original type, you may need to replace
consumables before the end of the estimated lifetime.
To maintain print quality, the machine performs automatic calibration in accordance with changes in the
environmental conditions. The machine may also perform automatic calibration when it is turned ON or
recovers from sleep mode. Calibration uses the toner, and accordingly it may result in a decrease of lifetime
of the toner cartridges.
The color toner cartridges are used even in black and white printing. Therefore, much use of black and white
printing may also result in decrease in the remaining number of printable pages for each color.
Specifying an auto shutdown time shorter than the default setting (4 hours) may shorten the life of the toner
cartridges.
Toner Cartridges
Supplied Toner Cartridges
The average yield and the weight of the toner cartridge that comes with the machine are shown below.
MF746Cx / MF744Cdw / MF742Cdw
Black
Average yield
2,300 sheets
Weight
Approx. 2.2 kg
Y (Yellow), M (Magenta), and C (Cyan)
Average yield
1,200 sheets
Weight
Approx. 2.2 kg
MF645Cx / MF643Cdw / MF641Cw
Black
*
*
Maintenance
639
3S21-0A7

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