Brother GT-3 Series Service Manual page 317

Procedure
1. Remove the Cover Cartridge. (Refer to "6-1-2. Assembling/ Disassembling of the Covers".)
2. Cover the floor and the table with some paper or cloth (1) as shown in the left photo.
3. Remove the dirty Felts (2) from the Cartridge Base (1).
In Pattern 1, remove all the eight round Felts (2) from the Cartridge Base (1).
<Note>
Those Felts (2) are applied with the double-sided adhesive tape. Remove with no glue left on the Cartrige
Base (1). Clean the dirty ink or glue with alcohol.
Mount the new Felts (2) on the position shown in the photo.
Cartridge Base (1): Round holes:
Confirm the photo in the right. Fix the both
top-bottom edges of the new Felt (2) with the
double-sided tape at the bottom of the φ20
holes on the Cartridge Base (1). Cover the
holes with the Felt (2) with 5 mm margins at
right-left ends.
Better to put 3 marks on the Cartridge Base (1)
first and then align the edges of the Felts (2) to
those marks.
Cartridge Base (1): U-notch type:
Confirm the photo in the right. Fix the both
top-bottom edges of the new Felt (2) with the
double-sided tape at the bottom of the
U-notches on the Cartridge Base (1). Fix the
Felt (2) with 5 mm margins at right-left ends.
Better to put 3 marks on the Cartridge Base (1)
first and then align the edges of the Felts (2) to
those marks.
4.
Mount the Cover Cartridge. (Refer to "6-1-2. Assembling/ Disassembling of the Covers".)
308
Paper or cloth
(1)
GT-3 Series
(1)
(2) (2)
5mm
Mark
Mark
Top position of the tape
(2)
5mm
Mark
Top position of the tape
6. Replacing Parts
5mm
Mark
20 mm wide
Double-sided tape
Φ20 hole
(1)
(2)
5mm
Mark
20 mm wide
Double-sided tape
Mark