Brother TD-2020 Service Manual page 61

(4) Connect each harness to the main PCB ASSY.
(5) Attach the main PCB ASSY to the machine by sticking two sheets of tape C
(W: 9mm) so that the harnesses are blocked in.
Cover open
sensor harness
RT sensor
harness
Tape feed
motor harness
Tapes C
Head harness ASSY 2 (BL)
Figure 3.5-22
III - 47
Sensor cover
harness
Head harness
ASSY 1 (RD)
Panel PCB
harness
Main PCB ASSY