(2) Format specification by format control tape (FCT)
The FCT is a looped paper tape with punched holes and sprocket holes for
The punched hole data is read by the FCT unit and sent to the
feeding.
printer to notify it of a forms feed format.
the FCT and shows the relationship between a forms feed format and punched
holes.
(Perforation)
____ -------------- ---;-.
Channel 1 (TOP of form)
Channel3
Channels 5 and 7
Channel3
Channel12
(Perforation)
Figure 4.11 An example of FCT and forms feed format
I 0
A
I
I
A'
Figure 4.11 is an example of
Channel number
Channel 1
, Punched hole
Cut here
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