FLAT BED IMAGE SCANNING SECTION
THEORY OF OPERATION
GR37703 - 7
5. FLAT BED AUTO SCANNING CONTRAST ADJUSTMENT SYSTEM
This is made effective only when original scanning density is set to “AUTO”.
Further, the “auto Scanning Contrast Adjustment function” does not operated in Photo, Line/Photo Mixed (DUO),
or Dot mode.
From the top of an original:
Approx. 9mm
Approx. 12mm
Approx. 15mm
Top
Bottom
<START> key ON
Image scanner LED lights up and
shading correction is performed.
Flat bed read pulse motor is turned
ON and the image scanner starts to
move in scanning direction.
Original top three lines are read in.
Image scanner returns to the home
position.
To FB reading or Bound original
reading step.
If the image scanner is not in the home position, the following step starts
when the image scanner home position sensor is turned ON.
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