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4.6.44
Lower Paper Clamp (285 Ipm)
4.6.44.1
Two Coil Clamp with Two
Engaging Levers
m
Service Check
1.
2.
3.
4.
5.
6.
Install single-part forms that are wide
enough to cover the print line. Close the
print unit.
Load program 10 PRT1. This program
allows you to open or close the paper
clamps each time you press the ENTER
key.
Close the paper clamps.
Grip the forms and try to pull them up-
ward. The forms must be held tightly on
both ends. If forms are not held tightly,
do the adjustment.
Open the paper clamps.
Pull the forms upward. The clamp should
not hold the forms.
Adjustment
1.
2.
Power down.
Remove the printer cover and divider
(4.6.1) and forms.
3.
Close the print unit and set forms thick-
ness control to 6.
I
DANGER
The ribbon clutch solenoid becomes very
hot after extended use. Be sure it is cool
before attempting maintenance.
4.
While holding levers
m
up, adjust guide
plates for 0.000 inch to 0.003 inch (0.00
mm to 0.08 mm) at
II.
5.
Do service check. If OK, omit remaining
adjustments.
6.
Remove the print unit (4.6.10).
7.
8.
9.
Engage the paper clamp mechanism by
lifting levers
m
up.
Note:
Hold levers up with folded paper
between levers and print base.
Loosen screws
a ,
then turn adjusting
nuts
m
1/2 turn clockwise to move the
clamp away from the lower forms guide
m.
Load program 10 PRT1. This program
allows you to open or close the paper
clamps each time you press the ENTE R
key.
10.
Close the paper clamps.
11.
Make sure the clamp bar
III
is straight.
Form bar carefully, if needed.
12.
Check between the two outer tension
springs (both ends) for condition
m .
If
the clearance is incorrect, turn adjusting
nut(s)
m
until correct. When the clearance
is correct, check to be sure that the
armature is sealed against the residual on
the solenoid case
01.
Check clearance
m
again.
. 0.001 inch loose
(0.03 mm)
Note:
If the adjustment cannot be made
with the adjusting nut, rotate the solenoid
and bracket to vary the adjustment:
a. Tighten screws
1m) .
b. Power down, and do lower paper clamp
removal, steps 5 and 6.
c. Rotate the solenoid bracket one turn
around the adjusting nut (clockwise to
increase ~ ).
d. Install solenoids and brackets. Loosen
screw
Em ,
then repeat adjustment, steps
7 through 12.
13.
Open the paper clamps. Turn both adjusting
nuts
m
1/2 turn counterclockwise to move
the clamp toward the lower forms guide
m ;
then tighten both screws
B .
14.
Remove the support material used to hold
the levers up
Ii
,then unlatch the clamp
mechanism.
15.
Install single-part forms that are wide
enough to cover the print line.
16.
Latch the clamp mechanism, and hold the
levers up as before.
17.
Close the paper clamps again. Check for
even forms clamping by trying to pull up on
each end of the form. The form should be
held tightly across its width. Repeat adjust-
ment if form is not held tightly.
18.
Power down and remove the support
material
riB .
19.
Install the print unit (4.6.10).
20.
Place the printer in the operating position
and install the covers.
P
·
U·
Guideplate
r~nt
nit
0.000 inch - 0.003 inch
(0.00 mm - 0.08 mm)
~(t-
0-
Ki
Lift levers and
insert suppqrting
material to hold
_ _ _ -----"' ___ Ie_vers up.
Belt Printer
2851pm
4-139
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