FLAT BED IMAGE SCANNING SECTION
THEORY OF OPERATION
GR3770 3 - 8
6. FLAT BED IMAGE SCANNING SYSTEM
The original reading area, in general, depends on size of sheet set on the Paper feed tray. When Bound Original
mode is ON, realtime trimming is performed.
Flat bed read pulse motor
Image scanner home position sensor
<START> key ON
Image sensor LED is lit and shading
correction is performed.
Flat bed read pulse motor gets ON and the image scanner
starts to move in scanning direction.
Skipping to read approximately 5mm of the original top part,
reading/writing starts.
On completion of reading/writing for size well corresponding
to the printing sheet, the image scanner LED is put OFF and
the flat bed read pulse motor is turned OFF.
Image scanner moves to STOP position
When original scanning density is in "AUTO", FB auto scanning contrast Adjustment
is first performed.
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