This is new kind of toner cartridge, can be refilled toner by end users for several times. There are two holes on the toner cartridge. One hole is for cleaning waste toner powder, other hole is for refilling fresh toner powder. Just three steps:
First step: Pull out waste plug, to pour out waste toner. Then replug waste plug.
Second step: Pull out cleaning plug, refill new toner in it. Replug refill plug.
Third step: Shake up right and left side, to make toner powder uniform distribution in the toner cartridge, install on printer to print.

Special design,  easy to refill.
All different parts are all best raw materials, stable quality in the whole toner cartridge   

If you interest ,pls contact us .more information ,pls visit our website : www.linkcolor.cn

showroom : http://linkclr.en.made-in-china.com/