Brother MFC-J6510DW Service Manual page 191

Document feed roller ASSY 1, document pull-in/separation roller ASSY, separation
rubber ASSY and pinch rollers
(18) At the rear end of the document feed roller ASSY 1, release the lock arm of the bushing
from the ADF drive unit as shown below and remove the document feed roller ASSY 1.
Note: Do not put the removed document feed roller ASSY 1 directly anywhere, but put it
on the removed ADF cover placed upside down or such place to prevent the ASSY 1 from
getting stained.
(19) At the rear end of the document pull-in/separation roller ASSY, release the lock arm of the
bushing from the ADF drive unit as shown below and remove the ASSY.
(20) Remove the separation rubber ASSY, using the following steps.
Release the two pawls on the left end of the separation rubber ASSY by pressing their
stoppers on the upper ADF chute to the left. Press the front and rear lock arms on the ASSY
inwards with the tip of a flat screwdriver and take the ASSY out of the upper ADF chute.
The separation spring also comes off.
Note: When removing the separation rubber ASSY, take care not to let the spring bounce
off.
(21) At the front end of the pinch roller shaft, press the lock arm to release the shaft as shown
below and take out the shaft together with the pinch rollers. The pinch roller springs also
come off.
Lock arms of the bushings
Document feed
roller ASSY 1
Document pull-in/
separation roller ASSY
Separation spring
Pinch roller
Pinch
rollers
Pinch roller
springs
ADF drive unit
Lock arm
3-66
Document pull-in/
separation roller ASSY
Lock arm
Pawls
Document feed roller ASSY 1
Separation rubber ASSY
Pinch roller shaft
(Front)
Upper ADF chute
(3_033)
Confidential