When the first original is being fed, the bend in the lift shaft is pointing up,
and the spring is at maximum compression. As sheets of the document are
scanned, the spring pushes the document table upwards so that the top of
the stack is always against the pick-up roller.
When all pages of the original have been fed out of the ADF, the document
table lift clutch and paper feed motor are energized to lower the tray. They
turn off when the document table sensor is deactivated. If the sensor is not
deactivated within the desginated time, a document table error will occur.
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g404d532.wmf
Det
a
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Descriptions
October 9th, 1995
DETAILED SECTION DESCRIPTIONS
SCANNER PROCESS
2-11
