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CLEARING CARD JAMS
The
check light
,
along with a read station,
punch station, or
transport light
,
indicates a card
jam condition.
A
card
saw
should not be
used
to remove
ajam in the
punch station as
the punch mechanism could be damaged. The following
steps are recommended to remove jammed cards.
1.
Remove cards from hopper.
2.
Raise two top covers. (Raise cover on right (A)
first, then cover on left (B).)
3.
Locate card jam. If card jam is not in punch station
(C), remove jammed cards and proceed with steps 4
through 6
.
If card jam is in punch station, proceed
with step 7.
4.
Close covers and press NPRO to
re'
s et error condition
and run out any cards in card feed or transport areas.
5"
.
Reconstruct any damaged cards and place card deck
back into hopper.
6
.
Press START. This places 1442 in ready status by
initiating a run in cycle.
7.
Turn two twist-type
fasteners
(D) on inside of rear
cover counterclockwise and lower cover.
8.
With power on, rotate punch unit handwheel (E) in
direction of arrow at least one-half revolution.
9.
Push down on punch feed release lever
(F) and
pull
out card. If card remains jammed, loosen lower punch
guide holding screw (G) and remove lower punch
guide. If necessary, raise plastic card guide (H). The
card should now be easily removed.
10.
Replace lower punch guide if it was removed.
11.
Close rear and top covers.
IBM 1442 Card Read Punch
'
31
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