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5.4
PLATEN ADJUSTMENT
(cont'd)
D.
Place the printhead release lever
in
position
3.
Then, insert a
0.014-inch feeler gauge between the nose of the printhead
and
the platen.
E.
Adjust left hand platen screw until the feeler
gauge fits loosely
between the printhead and the platen.
F.
Move
the
printhead to
the right side of the printer.
G.
Place
the
printhead release lever
in
position
3
and insert
a
0.014-mch
feeler gauge between the nose of the printhead
and the
platen.
H.
Adjust
the right hand
platen screw until the feeler gauge
fits
loosely between the printhead and the platen.
I.
Apply red GLPT insulating varnish to the left
and right hand
platen screws.
5
*
5
«OTOR/HALL EFFECT SENSOR CLEARANCE ADJUSTMENT
A.
Remove printer covers.
(Refer to
paragraph
4.4.1.)
B.
Loosen
the
Hall effect sensor mounting screw on
the head
carriaqe
assembly.
r
C
Insert
a
0.005-inch feeler guage between the sensor and the
magnetic rotor.
D.
Move
the sensor against the feeler
guage until the guage can be
moved with slight friction, then tighten the
mounting
screw.
E.
Insert
a
0.004-inch feeler gauge between the sensor and the
magnetic rotor.
The gauge should fit loosely.
F.
Move
the
head carriage assembly and observe the rotor.
The rotor
should revolve without touching the sensor.
5.6
LINE FEED SOLENOID ADJUSTMENT
A.
Remove printer covers.
(Refer
to paragraph 4.4.1.)
B.
Loosen
the two solenoid
mounting bolts located on the outside of
the left
printer mechanism side plate using
a
5/16-inch nutdriver.
C
Fully retract
the
solenoid plunger
(move
towards
front) and
insert the thick end (0.216
inch)
of the solenoid adjustment
gauge between the solenoid housing and the
rubber O-ring.
D.
Adjust
the
solenoid lock nut using
a
1/4-inch nutdriver so that
some resistance
is
felt
when
the
guage
is
pulled
out.
5-3
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