User`s guide

AcuLaser M4000 Series User's Guide
Installing Options 101
Removing the Duplex Unit
1. Turn the printer off and unplug the power cord and interface cable.
2. Loosen the two screws on the lower sides of the Duplex Unit.
3. Press the unlock button to unlock the hooks, then remove the unit from the printer.
4. Attach the duplex unit connector cover and the upper option cover to cover B.
5. Reconnect the interface cable and power cord, then turn the printer on.