4 Unpack the new toner cartridge. Place the used toner cartridge into the aluminium bag and discard it according to local regulations.
Old Toner
Cartridge
New Toner
Cartridge
Aluminum
Bag
•Wait to unpack the toner cartridge until immediately before you install it into the machine. If a toner cartridge is left unpacked for a long period of time, the toner life is shortened.
5 Gently rock the toner cartridge from side to side five or six times, and then remove the protective seal.
Toner
Cartridge
6 Slide the new toner cartridge into the opening on the right side of the drum unit. To ensure that the toner cartridge and the drum unit fit together correctly, make sure that the toner cartridge guide bar is exactly aligned with the guide slot in the drum unit.
Drum
Unit
Toner
Cartridge
131Chapter 19