User Check
1. Take out the duplex unit.

2. And open the rear cover to remove the jammed paper.

3. Close the cover to try again.
4. Or else try to clean the light guide pillar of duplex tray.

1. Take out the duplex unit.
2. And open the rear cover to remove the jammed paper.
3. Close the cover to try again.
4. Or else try to clean the light guide pillar of duplex tray.