FrameMaker Ver5.5E(PC) Di251/Di351 MECHANICAL/ELECTRICAL
.05.03.01
M-21
12-1. Laser Emission Timing
• The laser diode is forced to turn ON to project the laser beam onto the SOS Sensor
Board, which generates an SOS signal.
• The SOS signal determines the laser emission timing.
A to B: LD activation
BtoC:LDOFF
C to D: Laser beam exposure area according to the image data
Electrical Component Control Signal Energized Deenergized Wiring Diagram
M5 PJ9A-3 L H 7-G
1167M024AD
Polygon Mirror
f-θ Lens
Polygon Motor M5
SOS Mirror
Cylindrical Lens
Collimator Lens
Laser Diode Board
PWB-B
PC Drum
SOS Sensor
1171M038AA
PC Drum
SOS Mirror
SOS
Sensor
SOS Signal
ABCD
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