Lexmark C910 User Reference Manual page 107

Removing a toner cartridge
Note: If you need instructions on how to open the top cover, see
W :
Do not touch, drop, or place anything on the transfer belt. Touching the surface of
ARNING
the transfer belt or placing items on it may cause damage.
1
Complete the steps to open the top cover.
Note: The toner can soil clothing. Do not clean clothing soiled with toner in hot water; this
permanently adheres the toner to the clothing. Use cold water to remove toner.
2
Pull the waste toner arm away from the photodeveloper.
Transfer belt
105
Opening the top cover.