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3102 Platen Release
Service Check
1.
Remove the access cover (3051).
2.
Press down on either platen bushing
G.
The plat-
en-release levers
0
should hold the bushings
tightly against the frame; no movement should
occur when removing pressure from the bushings.
3.
If
either bushing moved in step 2, perform the
following adjustment:
Adjustment
This procedure is used for both the left and right
adjusting nuts. However, when adjusting the left nut,
ensure that the platen-release lever
0
does not touch
the print head forms guide when the carrier moves to
the extreme left
G).
Left side view
Platen
Platen bushing
1.
Switch off the printer power.
2.
Remove the top cover (3052).
3.
Reinstall the platen (3101).
Note: When adjusting the right nut, remove the
right paper-advance knob and the forms tractor
drive gear (3104).
4.
Loosen the screw
G
that locks the nut
0
so that
the screw is partially tight.
5.
Press down the platen bushing
G
and turn the nut
so when the bushing is released, the platen-release
lever holds the bushing tightly against the frame.
6.
Hold the nut
0
in this position and tighten the
locking screw
G.
7.
Check the platen gear for binds (3201); adjust if
necessary.
8.
Remove the platen (3101).
9.
Reinstall the top cover (3052).
Right side view
Maintenance Procedures
3-11
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