Brother GT-3 Series Service Manual page 225

6. Replacing Parts
Disassembling and assembling the Ink Cartridge Base Unit
(3)
(1)
(1)
3
(6)
Ink Switch Dog section
Boss section
Procedure
1.
Remove the eight Connectors of the Harness: Ink Sensor (1) form the Ink Sensor PCB Assy (2).
2.
Remove the four screws (3) and remove the Ink Switch Dog.
<Note>
There are three types for mounting the Ink Switch Dog: Pattern 1, 2 and 3. (Refer to "6-1-34. Ink Switch
Dog".)
3.
Remove the eight Screws (4) and dismount the eight Ink Sensor PCB Assys (2).
4.
Remove the eight Screws (7) and dismount the Connecting Plate (8).
5.
Remove the eight Screws (9) and dismount the Back Connecting Plate (10).
6.
Remove the three Screws (5) and dismount the Needle Bracket (6).
<Note>

Pay attention not to put dust or dirt into the Needles. Cover the edge of the Tubes with the Caps listed
below.

Disassemble the Needle Bracket (6) here if necessary. (Refer to "6-1-36. Needles".)
216
Boss section
(5)
(4)
(2)
(2)
(16)
(15)
(2)
(4)
(19)
Ink Cartridge Base
(10)
(14) (13)
(15)
(16)
(14) (13)
18 Mounting position
GT-3 Series
(9)
(8)
(7)
Boss section
(12)
(11)
(18)
(17)
12 Mounting