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4) The 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 follows.
[A4 Series]
[LT Series]
* When the platen sensor is OFF,
• The following is judged by the signals output from the APS sensors.
- Size determined (The combination of the signals satisfies any in the above chart.)
: The size is displayed on the control panel and a specific paper size or reproduction ratio is
selected.
- Size not determined (The combination of the signals does not satisfy any in the above chart.)
: The size of the original immediately before the output signal change (or the state that there
is no original) remains.
- No original (The output signals from all sensors are level “H”.)
: The reproduction ratio and paper size are not selected.
• The size change is always observed and detected.
• The carriage-1 stays at the waiting position even if the reproduction ratio changes corresponding
to the change of the original size.
* When the platen sensor is ON,
The size of the original immediately before the platen sensor is turned ON (or the state that there is
no original) remains regardless of the output signals of APS sensors.
Size judgement APS-C APS-R APS-1 APS-2 APS-3
A3 00000
A4 01000
B4 00010
B5 11010
A4-R 00110
A5 11110
B5-R 00111
A5-R 01111
Size judgement APS-C APS-R APS-2 APS-3
LD 0000
LT 0100
LG 0010
LT-R 0110
ST 1110
ST-R 0111
Code Output signal Original
1 H Not available
0 L Available
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