Brother PT-9600 Service Manual page 86

(5) Fit the jog dial to the notch of the shaft of the jog PCB ASSY to assemble them.
Fig. 3.2-38 Reassembling the KB Unit/Rubber Key Unit (5)
(6) Fit the jog PCB ASSY on the two pins and secure it to the KB unit or rubber key unit with
three screws (EU only).
(7) Secure the FG wire "B" of the jog PCB ASSY to the KB unit or rubber key unit (EU only).
Screws
Jog PCB ASSY
FG wire "B"
Pin
Fig. 3.2-39 Reassembling the KB Unit/Rubber Key Unit (6)
Pin
III-52
Jog dial
Notch
Jog PCB ASSY
Screw
Screw
KB unit or rubber key unit