Brother GT-3 Series Service Manual page 170

2.
Move back the Carriage Back Plate (6) to the original position, and mount it with the four Bolt Socket (3)
and the two Screws (4).
<Note> Take care not to bend or crush the Tubes; they are very fragile.
3.
Mount the Encoder Cover F (2) with the four Screws (1).
4.
Mount the Cover UB and UF. (Refer to "6-1-2. Assembling/Disassembling of the Covers".)
Adjustment
1.
Execute CR Origin Sensor Adjustment. (Refer to "3-1-5-1. CR Origin Sensor Adjustment".)
2.
If read error occurs, e.g. printing position shift, clean the Encoder Strip. (Refer to "5-1-5. Cleaning the
Encoder Strip".)
(7)
(D)
GT-3 Series
6. Replacing Parts
161