- Be careful when setting the toner cartridges because the toner cartridges have different shapes, and the cartridge may be damaged if you try to force a cartridge into the wrong place. The position of the toner cartridges is Y, M, C, K from the left.
Open the toner supply unit front cover [A].
Unpack the new toner cartridge.
Turn the toner cartridge upside down and shake 5-6 times while grasping both ends.
Set each color toner cartridge. Push the toner cartridge until it locks into place.