6
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SCANNING SECTION
6 - 11
4. Original size is determined by the combination of the signals output from each detection point.
Combination charts for size determination of A4 series and LT series are as followed.
* When the platen sensor is OFF;
• The following points are determined by the output signals from APS sensors
- Size (The combination of the signals satisfy the above chart)
: Size is displayed on the control panel and an appropriate paper and reproduction ratio are
selected.
- Size retention (The combination of the signals do not satisfy the above chart)
: Retains the latest original size recognized (or no original state) until a new paper size is
recognized.
- No original (output from all the sensors are “1”.)
: Reproduction ratio and paper size are not selected.
• Size change is always observed and detected.
• Carriage-1 stays at the standby position even if the reproduction ratio changes corresponding to
the change of the original size.
* When the platen sensor is ON;
Retains the latest original size (or no original state) recognized right before the platen sensor is
turned ON regardless of the state of the APS sensor output signals.
Size
judgement
APS-1
APS-2
APS-3
APS-C
APS-R
A3
0
0
0
0
0
A4
0
0
0
0
1
B4
0
1
0
0
0
B5
0
1
0
0
1
A4-R
1
1
0
0
0
A5
1
1
0
0
1
B5-R
1
1
1
0
0
A5-R
1
1
1
0
1
Size
judgement
APS-2
APS-3
APS-C
APS-R
LD
0
0
0
0
LT
0
0
0
1
LG
1
0
0
0
LT-R
1
0
0
1
ST
1
0
1
1
ST-R
1
1
0
1
Code
Output signal
Original
1
H
Not available
0
L
Available