Canon FAX-L160 Reference Manual page 91

2.
Close the paper delivery tray extension (A), and
then the paper delivery tray (B) itself.
Do not close the paper delivery tray without folding the extension first.
3.
Open the toner cover by the notch (A).
4.
Remove the toner cartridge.
– Do not touch the rollers and parts which have labels "CAUTION! Hot
surface avoid contact" on. They become very hot during use.
– To avoid exposing the toner cartridge to light, place it in its protective
bag or wrap it in a thick cloth.
– Do not open the drum protective shutter on the toner cartridge. Print
quality may deteriorate if the drum surface is exposed to light or is
damaged.
Always hold the toner cartridge by its handle.
7-3