Ricoh M281 Series Service Manual page 296

Fusing Unit
10. Remove the fusing unit [A].
When removing the fusing unit [A], release the harness [B] from the mainframe.
⇒
When reinstalling the fusing unit, perform the following procedures.
(1) Turn ON the power switch after removing the fusing unit and opening the rear cover.
(2) Wait for more than 5 seconds and then turn OFF the power switch.
The cam on the left side turns backward and releases pressure when the power
switch is turned ON.
(3) Reinstall the fusing unit.
D255/D256/M281/M282 4-102
Rev. 08/09/2016
SM