Brother MFC-J2320 Service Manual page 198

(6) Release two Hooks of the Tube binder securing the Carriage flat cables.
(7) Release the wiring of the three Carriage flat cables and remove the Flat core.
Release the Carriage flat cables from the tube clamp.
Head/carriage
unit
(8) Release the Lock spring and Hook to remove the Carriage PCB ASSY.
Carriage PCB ASSY
Lock spring
Head/carriage
unit
Flat core
Carriage flat cables
Fig. 3-66
Hook
Fig. 3-67
3-68
Confidential