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4.6.42
Upper Paper Clamp
Adjustment
1.
Remove the printer covers (4.6.1) steps 1
through 3 and forms.
2.
Loosen, but do not remove, the two screws
m
from the back of the paper clamp
cover. Remove the cover by sliding it to
the back and upward.
3.
Press the forms guide release bar that
opens the upper paper clamp assembly.
Operate the upper paper clamp manually,
by moving the armature against the pIas-
tic end blocks
II .
Make sure the clamp
mechanism moves freely.
4.
Close the upper paper clamp assembly.
5.
Load program I D PRT 1; this program
allows you to open and close the paper
clamps each time you press the ENTER
key.
6.
Close the paper clamps. Tighten the
clamp bar adjusting screws
m
until the
spring is snug against the armature on
both sides (spring might already be snug) .
7.
Open or close the paper clamp as necessary.
Insert 0.007 inch (0.178 mm) feeler gauge
between the armature and one of the outer
legs of the E-core
D.
Make sure the gauge
is not between the plastic end block
II
and
the armature. Close the paper clamps. With
the armature seated on the plastic end blocks,
check for 0.006 inch to 0.008 inch (0.15
mm to 0.20 mm) gap at
I] .
Check each end,
and adjust screws
B
as required.
a.
With the armature seated on the plas-
tic end blocks, adjust each clamp bar
adjusting screw
m
for 0.013 inch to
0.015 inch (0.33 mm to 0.38 mm) at
point
&
(both ends). Make sure the
spring
II
is contacting the armature
when checking measurement
H.
9.
After the adjustment is correct, tu rn each
clamp bar adjusting screw 1/2 turn
clockwise.
10.
Open the paper clamps and install the
paper clamp cover and the main covers.
Front
m
>::::=-=====:::;;;:_:;l.-tl
Cover
Screw
(2)
...------------------D
E-Core Adjusting Screw (2)
Armature
0.013 inch - 0.015 inch
(0.33 mm - 0.38 mm)
r.::I
Clamp Bar Adjusting Screw
a
t
(1 each end)
E-Core Support (pushes E-core
upward against screw)
Belt Printer
2851pm
4-137
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