Tables
D158/D159 Models
There is no APS sensor (width) in the scanner unit. However, the original width can be
detected by CCD. The APS sensor (length) [A] detects the original length.
The BICU board checks each sensor status when the platen cover sensor [B] is activated as it
is closed. It detects the original size by the on/off signals it gets from each sensor.
If the copy is made with the platen cover fully open, the CPU determines the original size from
the sensor outputs after the Start key is pressed.
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