Push the toner cartridge into the printer until it touches the
back of the printer while aligning (A) on both sides of the
toner cartridge with the toner cartridge guides inside the
Close the front cover.
Close the front cover completely until it clicks.
If you cannot close the front cover, check if the toner cartridge is installed properly.
If you try to close the front cover forcefully, this may result in damage to the printer.
Do not leave the front cover open for a long time after installing the toner cartridge.