Brother MFC Series Service Manual page 180

Assembling Note When attaching the Carriage PCB
as shown in the figure of
Head flat cable
Carriage PCB ASSY
Film
Opening
Carriage flat cable
Upper cover
Section 7-5 in this chapter.
Carriage PCB ASSY
Head flat cable
Boss
3-72
ASSY, route the Carriage flat cable
Remove by pulling the lock
Head/carriage unit
Carriage
PCB ASSY
Lock spring
Head/carriage unit
(3_051L)
Confidential