Sharp MX-M550U Service Manual page 334

3) Remove the switchback gate.
s. Left door open/close detector
1) Pull out the left door.
2) Remove the cover.
3) Remove the left door transport paper guide R unit.
4) Remove the left door open/close detector.
t. Duplex cover open/close detector
1)
2)
3)
u. Fusing discharge brush
1)
2)
MX-M700N DUPLEX SECTION H – 11
Pull out the left door.
Open the door, and remove the cover.
Remove the duplex cover open/close detector.
Pull out the left door.
Remove the fusing discharge brush.
* Attach the fusing discharge brush so that it is fit with the rear
end.