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IBM 01 Maintenance Manual page 422

Electric typewriters
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VISIBLE INDEX-CARD HOLDER
THE VISIBLE INDEX-CARD HOLDER
is a card carrier which
travels vertically in the area normally occupied by the front
paper guide. Two elongated slots in the card carrier guide its
vertical motion. The card carrier has a spring blade running
the length of the platen which holds the card in the typing
position. Two sector gears mounted on each end of the
platen provide vertical motion for the carrier.
A PLATEN LATCH PAWL
operates in the ratchet to hold
the platen during line spacing of cards. The usual detent
roller is used during line spacing of correspondence. Selec-
tion of the platen latch pawl, the detent, or release of both
is made by a three-position detent release lever.
AN ADJUSTABLE FIRST LINE WRITING STOP
and an ad-
justable horizontal card stop allow accurate positioning of
the card.
CARDS
of varying lengths can be used, depending upon the
length of the carriage. From one to three writing lines can
be typed on each card.
FLAT FEEDING
of the cards past the writing line eliminates
curvature of the card.
THE TYPEWRITER
can be easily converted from card typing
to correspondence use.
Operating Procedures
NORMAL CORRESPONDENCE.
To prepare the machine for
normal correspondence, use the following procedure:
1. Loosen the black plastic knob which locks the platen
stop lever on the right end of the carriage. Raise the
rear end of the platen stop lever so that the front end
will allow the platen to rotate.
2. Place the detent release lever in the forward position.
3. Loosen the smaller knob on the right end of the platen
and the hand-set screw on the left end of the platen.
To loosen the smaller knob on the right end of the
platen, rotate the knob clockwise as viewed from the
right side of the typewriter.
4. Replace the line gage card holders.
VISIBLE INDEX CARD TYPING.
To prepare for visible
index card typing, use the following procedure:
1. Lift the line gage card holders out of the typewriter.
3

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