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1 VFU (Vertical Form Unit)
1.1
VFU Function
The VFU function is to feed the paper automatically to a pre-programmed line.
The TOF position and vertical tab positions are set as follows according to the set-up mode.
If
you wish to set them to another position, they must be set by the program.
1.2
VFU Initialization
TOF position . . . . .
.is set according to the forms length specification of Function No. 1. (3 -15
inches)
Vertical tab position ... Vertical tab (ch2) is set at every inch from the TOF.
The number of lines will differ with the No. 2 function specification. (Line
spacing pitch specification)
lj$ill!UQ
The VFU is initialized with the forms length 11 inches and a vertical pitch
of 6 lines/inches as follows;
ch6ch5ch4ch3ch2chl
NarE
8 7 6 l
4 3 2
I
I
x
I 0 0 0 0 0 I
'!OF (chi)
x x x x x x x x
2
x
I
0 0 0 0 0 0
x x x x x x x x
3
x
I 0 0 0 0 0 0
x x x x x x x x
4
x
I 0 0 0 0 0 0
xxxxxxxx
l
x
I 0 0 0 0 0 0
xxxxxxxx
6
x
I 0 0 0 0 0 0
xxxxxxxx
7
x
I 0 0 0 0
I 0
VT (ch2)
xxxxxxxx
8
x
I 0 0 0 0 0 0
xxxxxxxx
9
x
1 0 0 0 0 0 0
x x x x x x x x
10
x
1 0 0 0 0 0 0
xx xx x·x xx
11
x
1 0 0 0. 0 0 0
xxxxxxxx
12
x
1 0 0 0. 0 0 0
x x x x x x x x
13
x
1 0 0 0 0
I 0
VT (ch2)
x x x x x x x x
14
x
I 0 0 0 0 0 0
--
-
53
XIOOOOOO
xxxxxxxx
54
X I 0 0 0 0 0 0
xxxxxxxx
SS
X I 0 0 0 0 I 0
VT (ch2)
xxxxxxxx
l6
X I 0 0 0 0 0 0
xxxxxxxx
l7
XIOOOOOO
xxxxxxxx
l8
X I 0 0 0 0 0 0
xxxxxxxx
l9
XIOOOOOO
xxxxxxxx
60
X I 0 0 0 0 0 0
xxxxxxxx
61
XIOOOO
I 0
VT (ch2)
•
TOF is set in the first line of chl.
xxxxxxxx
62
XIOOOOOO
xxxxxxxx
•
VT is set at every inch from the position of TOF.
63
XIOOOOOO
xxxxxxxx
•
X can be either 0 or 1.
64
X I 0 . 0 0 0 0 0
xxxxxxxx
65
XIOOOOOO
•
Tab set of one line needs 2 bytes of data.
xxxxxxxx
66
XIOOOOOO
xxxxxxxx
67
XIOOOOO
I
'!OF (chi)
xxxxxxxx
C-1
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