Brother GT-3 Series Service Manual page 175

6. Replacing Parts
B. Removing the Maintenance Unit from GT-3
1. Remove the Cover DB and the Cover PB in the back, and Cover DL and Cover PF in the front. Refer to
"6-1-2. Assembling/Disassembling of the Covers".
2. Disconnect the connector (2) from the Maintenance PCB (1).
(2)
3. Remove the Connector (2) and the Cord Clamp (3) to make the Harness free.
4. Remove the four Bolt Sockets (4) that fix the Maintenance Unit with the printer.
166
(4)
(1)
(3)
(2)
GT-3 Series
(4)