
RISO Inc. Technical Communications
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CHAPTER 13: AF SCANNING SECTION
[ 13 - 5 ]
3. AF Original Scanning Mechanism
After the AF original setting operation is completed and if the Start key is pressed for the scanning operation,
the scanner lamp turns ON.
The FB read pulse motor activates immediately to move the lamp carriage to the shading compensating
position, and the shading compensation is done. Then the FB read pulse motor rotates the other way and
brings the lamp carriage to the AF scanning position and stops.
At the same time, the AF read pulse motor rotates in the forward direction to bring the original 29.9mm from
the point in which the AF read sensor turned ON and stops. The AF read pulse motor starts to feed the
original through the AF unit and the read-signal goes ON to start the scanning. As the tail end of the original
goes out of the original read sensor the read-signal goes OFF to end the scanning. (If the operator has
chosen a print paper size smaller than the original, the read-signal turns OFF after scanning for that size.)
After the read-signal turns OFF, the AF read pulse motor rotates at a fast speed to eject the original out. After
a given period of time from the point in which the AF original ejection sensor detects the original gone out, the
AF read pulse motor stops to end the AF original scanning movement.
Original ejection roller
AF read sensor
Registration roller
AF original
ejection sensor
Read roller
Original OUT
White plate used for
shading compensation
AF Scanning window
Anti-reflection sheet
1303
Содержание RZ2xx Series
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