Epson Aculaser C1100 Series Instruction Manual page 164

7. Insert the cartridge all the way until it stops securely with the
arrow mark on the top of the toner cartridge facing toward
cover A.
8. Push down the right lever to lock the toner cartridge.
Note:
The toner cartridge is installed securely when the right lever cannot
be turned any further. Make sure that the toner cartridge is installed
securely.
9. Close cover A.
164
Maintenance and Transportation