Panasonic 69196 Panug5540 - UG5540 Toner

open the front cover remove the drum unit make attention: the light may damage the drum do not touch or scratch the drum surface shake the new toner cartridge a few times remove the seal tap on the used toner cartridge several times to allow the remaining toner to fall into the drum unit before removing turn the 2 levers on the used toner cartridge remove the old toner cartridge insert the new toner cartridge keep pressing while turnig the lever on each side of the toner cartridge make sure the triangles match insert the drum unit into the printer close the front cover the work is done