Brother TD-4000 Service Manual page 84

(2) Turn the machine upside down.
(3) Pass the harness of sub ASSY SW through the two ribs and hole of the machine,
and secure it with the filament tape as shown in the figure below.
Filament tape (35mm)
Sub ASSY SW
25mm
Ribs
Hole
Figure 3.5-31 Attaching the Filament Tape (For 220/230/240V model)
NOTE: From here, procedures for 100/120V model and 220/230/240V model are
same.
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