ADF
SM 6-23 B234/B235/B236/D101/D102/D103
Detailed
Descriptions
6.6.6 ORIGINAL SIZE DETECTION
The ADF detects the original size by combining the readings of original length
sensor [A], and original width sensors-1 [B], -2 [C], and -3 [D].
Original Length
The original length sensor and the disk [E] (connected to the transport roller)
generate a pulse signal. The CPU counts pulses, starting when the leading edge of
the original turns on the registration sensor [F], until the trailing edge of the original
turns off the entrance sensor [G].
Original Width
The CPU detects original width using three original width sensors -1, -2, -3 as
shown above. Three small circles on the diagram indicate the positions of the
sensors.
Original Width Sensor Location
Detectable Paper Sizes
Please refer to the “1.2 ADF” table in “Specifications”.
B234D919.WMF
DLT/LT LEF
A3/A4 LEF
A4 SEF
B4/B5 LEF
B234D920.WMF
[E]
[G]
[D]
[A]
[F]
[C]
[B]
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