Brother GT-3 Series Service Manual page 227

6. Replacing Parts
Disassembling and assembling of the Ink Switch Dog Unit
(1)
(11)
(12)
Be sure to put the Ink Switch Dog Unit on the table as shown in the photo above in operation.
Procedure
1.
Remove the eight Connectors of the Harness: Ink Sensor (1) form the Ink Sensor PCB Assy (2).
2.
Remove the six screws(3) and dismount the Ink Switch PCB Assy (2)
3.
Remove the six Spacers M3-11 (4) and remove the six Washer Springs (5) and the Washer Plains (6).
<Note>
(6) *: Some machines have triple Washer Plains (6) piled; confirm when you disassemble.
4.
Remove the eight sets of Ink Switch Spring Supports (7), Spring Compressions 4.1X15.9 (8) and Ink
Switch Dog (9).
5.
Remove the eight Retaining Rings C5TW-12 (10), and remove the Ink Switch Guide Bushings (11) from
the Ink Switch 1 Bracket (12). (Refer to "6-1-34. Ink Switch Dog".)
6.
Assemble by the reverse process of the step 1-5 above.
<Note>
Follow the order of the screwing the six screws (3) when you assemble the Ink Switch PCB Assy (2); first
mount the screws of both sides ((3) in the photo below), then tighten the rest of four screws.
<Note> The tightening torque of the screws should be 0.5 N·m.
218
(2)
(7)
(8)
(9)
(10)
(3)
(3)
GT-3 Series
(4)
(5)
(6)
*