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9.2.17.1 End-of-Forms Switch (Old Style)
Note:
The old style end-of-forms switch actuator
is behind the platen; the new style actuator is
under the platen.
Adjustment
The switch points should open when the actuator
tip is 1/2 to 3/4 of the way into the platen slot
m
and the paper release lever
m
is forward. If
they do not, perform the following adjustment.
Check with power off.
1.
2.
3.
4.
Turn power off at the operator control
panel.
Remove the printer cover (9.2.1).
Set up an ohmmeter to the R X 1 scale.
If your machine has a forms emitter ampli-
fier card, connect the meter leads to the
End-Of-Forms switch terminals
II .
If your machine has no emitter amplifier
card, connect the meter leads between
TPB2-1 and TPB1-8
m.
5.
Slightly loosen the switch bracket mounting
screw
IJ.
6.
Slide the switch away from the platen as far
as possible.
7.
In this step, operate
th~
switch by moving
the paper release lever
a.
Position the
switch so that its points close when the ac-
tuator tip is 1/2 to 3/4 of the way into the
platen slbt
m
and the paper release lever is
being pulled toward the platen.
9-26
Removal
8.
9.
Tighten the switch assembly mounting
screw
II.
Pull the paper release lever toward the platen
and leave it there.
10.
Form the switch override bracket
Ii
by
twisting it so that it lifts the switch actuator
0.000 inch to 0.010 inch (0.00 mm to
0.25 mm) from the platen slot bottom
m.
11.
Check the adjustment by operating the paper
release lever several times. The switch con-
tacts should open when the actuator tip is
1/2 to 3/4 of the way out of the platen slot
and the paper release lever is being pushed
backward. Readjust if necessary.
12.
Install the printer cover and the forms
tractor unit.
1.
2.
3.
4.
5.
6.
7.
a
to 0.010 inch
Turn power off at the operator control
panel.
Remove the forms tractor unit (9.2.7).
Remove the printer cover (9.2.1).
Remove the switch and actuator by removing
two screws
OJ .
Transfer the switch leads
g
from the old
switch to the new switch.
Reinstall the switch and actuator with screws
m·
Adjust the switch.
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