Brother MFC-J6510DW Service Manual page 251

Intermediate roller
(10) At the right and left ends of the intermediate roller (viewed from the rear), pull the lock
arms of bushings R and L outwards to release their bosses and turn them in the direction of
the arrows shown below.
(11) Slightly pull out bushing R towards you and remove the intermediate roller to the left.
Lock arm of bushing R
Inner paper guide
CR guide rail
Lock arm of bushing L
Intermediate roller
3-126
(Rear)
(3_097)
Confidential