Canon L90 - Manual (Page 152)

7-15
Maintenance
6
Hold the toner cartridge with one
hand, and pull the seal completely
out.
If toner is adhered on the removed seal, be
careful that your hands or clothes do not
get dirty from touching the toner.
If your hands or clothes get dirty
from touching the toner, wash them
immediately in cold water. Do not use
hot water. If you do, the toner may be set
permanently.
Do not pull the seal out at an angle.
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–
7
Hold the toner cartridge by its
handle (A).
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.
8
The arrow (A) on the toner
cartridge should be facing away
from you and pointing down.