Brother MFC Series Service Manual page 143

(18) As shown below, loosely tie the CR timing belt in a bundle on the Head/carriage unit.
(19) Move the Head/carriage unit to the left side until it meets the (two) CR guide rail
notches.
(20) Remove the Encoder lock by turning it 90 degrees.
Notches
CR guide rail
Head/carriage unit
Encoder lock
Hook
CR timing belt
Encoder lock
(3_029L)
3-35
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