Brother GT-3 Series Service Manual page 239

6. Replacing Parts
Assembling
How to assemble the Ink Switch Guide Bush
Be sure to use the new Retaining Ring CSTW-12 in assembling.
Insert the projecting portion (2) of the Ink Switch Guide Bush into the groove (1) on the Ink Switch 1 Bracket
and fix the new Retaining Ring CSTW-12. Make sure that there is no play between the Ink Switch 1 Bracket
and the Ink Switch Guide Bush.
(1)
(2)
(3)
How to assemble the Ink Switch Dog and Ink Switch Spring Support
Assemble the Ink Switch Dog and then the Spring Compression 4.1X15.9 as shown in the photos below.
Insert and fix the convex part of the Ink Switch Guide Bush to the groove on the Ink Switch Spring Support.
(4)
(5)
(4)
GT-3 Series
230