Brother MFC9100C Service Manual page 66

1.8 Scanner Unit
(1) Disconnect the following flat cable and harnesses from the main PCB:
- CCD flat cable
- Panel-main harness
- CCD motor harness
- Scanner HP sensor harness
(2) Press the pawl of the link, move the link to the right, and release it from the shaft of the link
support secured to the bottom of the scanner unit.
NOTE: Be careful with the scanner unit that will spring open further.
(3) Remove the two screws from the torsion bar support and take it off from the rear frame.
(4) Pull out the top ends of the torsion bars from the opening provided in the torsion bar plate.
(5) Keep the scanner unit at a right angle to the machine body, and pull out the pivot pins
inwards. The scanner unit may be separated.
IV - 25