Brother GT-3 Series Service Manual page 145

6. Replacing Parts
4.
Remove the four Bolt Sockets (7).
(6)
(7)
5.
Shift the Reduction Belt (8) from the Pulley.
6.
Remove the Platen Pulse Motor (9) together with the Motor Bracket (10).
7.
Remove the one Screw (11) and Cord Holder 5N (3)
(3)
(11)
8.
Remove the four Bolt Sockets (12).
(12)
136
(10)
(9)
(8)
(9)
(10)
GT-3 Series