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9.2.17.2 End-of-Forms Switch (New Style)
Note:
The new style end-of-forms switch actuator
lever is under the platen; the old style actuator
lever is behind the platen.
Adjustment
1.
2.
3.
4.
Turn power off at the operator control panel.
Remove the printer cover (9.2.1).
Remove the paper delfector, then move the
paper release lever to the forward position.
Reinstall the platen.
5.
Check to ensure that the switch actuator
lever is centered in the platen groove
Ii .
If
it is not centered. loosen the switch assembly
mounting screw
B
and reposition the switch
assembly.
6.
7.
Set your CE meter to the Rx1 scale. Remove
the wire at the common (C) terminal of the
switch.
Connect the meter leads to the normally
closed (N/C) and common (C) terminals of
the switch.
D
CN/O
N/C
o
Top View
8.
9.
Loosen the switch mount holcl!ng screws
m ,
then pivot the switch mO.Jnt
DI
toward the
front of the printer.
Insert a 0.030 inch (0.76 mm) feeler gauge
between the top of the actuator lever and
the bottom of the platen groove. Slowly
pivot the switch mount toward the rear
until the meter indicates that the switch has
transferred.
Note:
Ensure that the feeler gauge is held in
the horizontal position during this step.
10.
Tighten the switch mount holding screws,
then recheck the adjustment.
11.
Remove the platen.
12.
Reinstall the paper deflector and the platen.
13.
Move the paper release lever backward and
forward to check that the switch override
arm transfer the switch contacts. If the
contacts transfer, skip steps a through d.
Otherwise:
a. Move the paper release lever to its rear-
most position.
b. Loosen set screw
III .
c. Place 0.012 inch to 0.020 inch (0.30 mm
to 0.50 mm) of paper or card stock
between the switch actuator lever and the
bottom of the platen groove.
d. Pivot the override arm
II
so that the end
of the arm comes to rest on, without
moving, the end-of-forms switch actuator
lever
m .
e. Tighten the set screw.
f. Recheck the adjustment.
14.
Disconnect your CE meter and reconnect
the wire that you removed in step 6.
15.
Replace the printer cover.
Removal
1.
2.
3.
4.
5.
6.
7.
8.
9.
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 end-of-forms switch assrmbly by
removing the screw and lockwasher
a .
Remove the switch from the assembly by
removing the two screws
m.
Transfer the switch leads from the old
switch to the new switch (N/C and C).
Install the new switch on the switch assembly.
Reinstall the end-of-forms switch assembly.
Adjust the switch.
Serial Printer
9-27
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