Brother MP-21C Service Manual page 85

(7) Remove the Main roller ASSY from the Chassis R, with the Bearing R main
attached.
Note: DO NOT touch the rubber portion of the Main roller ASSY.
Main roller ASSY
Chassis center ASSY
(8) Turn the Release cam counterclockwise until its catch fits in the detented portion of
the Chassis R, then remove the Release cam.
Note: Gear 10 is assembled on the Release cam. Be careful not to lose the Gear
10.
(9) Remove Gear 10 from the Release cam.
<Reassembly>
Note: Fit the catch of the Bearing R main in the detented portion of the Chassis R,
then turn the Bearing R main.
Bearing R main
Fig. 3.47
Fig. 3.48
III-32
Chassis R
Chassis R
Gear 10
Release cam