1, get the toner cartridge to see a half-moon snap on the side. Carefully remove this snap.

2. After removing the half-moon snap, pull out the iron rod from the other side.

3. With the iron rod out, open the cover on the top part of the toner cartridge.

4, open the cover and then lift the drum core from one side can be taken out smoothly.

5, out of the drum core after the drum will be wiped clean, out of the new drum core in accordance with the original position for replacement.

6, will be replaced after the completion of the toner cartridge into the printer for testing.