Sharp FO-2080 Especificaciones Pagina 40

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<2> Scanner (writing) section
No.
Parts
Note
Code Signal name Name Type Function/operation Active condition
1 SYNC SYNC IN Laser beam sensor Bin diode Detects the laser beam position.
By this signal the left image print
start position is controlled.
LOW (0V) when
laser beam is
detected.
2 No. 1 mirror
3 No. 3 mirror Leads the laser beam to the OPC
drum.
4 Second cylindrical
lens
Corrects the laser beam deflection
by variations in the scanning mirror
angle. Corrects the optical section
dirt.
5Fθ mirror (No. 2
mirror)
Corrects the laser beam form and
pitch.
6 Scanning mirror
(rotation mirror)
Scans the laser beam and
performs imaging.
7 No. 1 cylindrical
lens
Adjust the direction of laser beam.
8 Laser diode Generates laser beam. (Controls
ON/OFF for imaging)
2)
1) SYNC
8)
7)
6)
5)
4)
3)
FO-3800M
5 – 8
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