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3-9. REPLACEMENT
OF THE
THREADING
GEAR
BOX
SYSTEM
3-9-1. Replacement
of the Threading Gear
Box
Replacement
procedure:
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
Put
the
unit
into
the
EJECT
mode
and
turn
the
power
OFF,
Remove
the
T Tape
Sensor
from
the gear
box after removing the fixing screw.
Remove
the two
fixing screws
of the gear
box
after
turning
the
pulley
1
revolution
in
the
direction
of
arrow
A.
Move
the
gear
box
in
the
direction
of
arrow
B and
remove
it from the unit.
Remove
the harness
from
the clamper
and
disconnect
CN511
from
the
HN-80
Board.
Replace
the
gear
box
with
a new
one.
Perform
steps
(3)
and
(4)
in
reverse
order.
Put
the
gear
box
on
the
chassis
and
thread
the
two
fixing
screws
snugly
but
do not tighten them. Tighten the two fixing
screws
of
the
gear
box
after
meshing
the
Threading
Ring
to the
gear.
Adjust
as described
in Section
5-12.
T Tape Senser
fixing screws
Gear Box
5-13
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