Canon Color imageRUNNER LBP5975 User Manual page 331

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6
6-8 Replacing Toner Cartridges
Hold the toner cartridge so that the tab (A) is at the bottom,
and then shake it up and down 10 times each as shown in the
figure to evenly distribute the toner inside the cartridge.
(A)
IMPORTANT
If toner is not distributed evenly, this may result in deterioration in print quality. Be
sure to carry out this procedure properly.