Brother MFC9100C Service Manual page 104

(5) Make sure that the ink cartridges and print head have been removed.
(6) Remove the screw from the eccentric bushing L and take off the bushing lock. Then turn the
bushing clockwise (when viewed from the left) until its pawl becomes aligned with the cutout
provided in the main frame, and then pull out the bushing L and carriage rail. In the same
way, remove the eccentric bushing R.
(7) Bring the carriage to the center of the travel ("A" range shown below).
(8) First pull the carriage presser to the front, lift up the carriage to take off the lower edge from
the main chassis, and take out the carriage ASSY (the head flat cables, carriage, and CR
drive belt).
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