1. 用胶布（最好不透明的）把 cartridge右边的孔封上，这样就能接着打很多一直到完
全打不出字来
2。比较复杂
1. Open the front cover and leave open while completing the following steps.
2. Turn the printer off.
3. Hold the 'go' button while turning the printer on. All panel lights
should be on.
4. Release the 'go' button.
5. Press the 'go' button 2 times.
6. Pause.
7. Press the 'go' button 5 times.
8. The toner light should be off.
9. The paper light should be on or flashing.
10. Close cover. The ready light should be the only light on.
来个双黄包把
