Canon FAX-L160 Reference Manual page 103

9.
Insert the toner cartridge so that the guide (A)
on the left side of the toner cartridge fits into
the groove inside the machine and slide it down
parallel to the guide.
10.
Push the toner cartridge to make sure it is
properly set in the machine.
11.
Close the toner cover.
Be careful not to get your fingers caught.
12.
Open the paper delivery tray (A) and the extension
(B).
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