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NOTE: The Europe/Asia model has one length sensor (L1), but the North American model has two length sensors (L1, L2)
Original Size | Length | Width Sensor | SP4301 | |||||
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A4/A3 Version | LT/DLT Version | 2 | 1 | 1 | 2 | 3 | ||
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A3 | 11" x 17" | H | H | H | H | H | 00011111 | |
B4 | 10" x 14" | H | H | H | H | L | 00011110 | |
F4 | 81/2" x 14" (8" x 13") | H | H | H | L | L | 00011100 | |
A4 SEF | 81/2" x 11" | L | H | H | L | L | 00001100 | |
B5 SEF | — | L | H | L | L | L | 00001000 | |
A5 SEF | 51/2" x 81/2" | L | L | L | L | L | 00000000 | |
A4 LEF | 11" x 81/2" | L | L | H | H | H | 00000111 | |
B5 LEF | — | L | L | H | H | L | 00000110 | |
A5 LEF | 81/2" x 51/2" | L | L | H | L | L | 00000100 | |
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H:High (Paper Present) L: Low
The original size data is taken by the main CPU when the DF position sensor is activated. This is when the ADF is positioned about 12 cm above the exposure glass. At this time, only the sensor(s) underneath the original receive the reflected light and switch on. The other sensor(s) are off. The main CPU recognizes the original size from the on/off signals from the five sensors.
If the copy is made with the ADF open, the main CPU decides the original size from the sensor outputs when the Start key is pressed.
The above table shows the outputs of the sensors for each original size. This original size detection method eliminates the necessity for a
Width Sensor 1 Width Sensor 2
Width Sensor 3
0,0 | Length Sensor 1 |
Length Sensor 2 |
| A5 LEF |
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A5 SEF | A4 LEF |
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B5 SEF | B4 | |
| A4 SEF | A3 |
PTM | B070/B071 |