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Technology > Laser Exposure System > Various Controls > Overview
Technology > Laser Exposure System > Various Controls > Overview
Various Controls
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Overview
Item
Operation description
Laser ON / OFF control
Laser light is turned ON / OFF according to the combination of
laser control signal
Horizontal scanning
synchronous control
To align the writing start position in horizontal scanning direction.
Vertical scanning synchronous
control
To align the writing start position in vertical scanning direction.
APC control
To make the laser light per 1 line consistent amount.
Laser Scanner Motor Control
To rotate the scanner mirror by the specified speed.
BD correction control
To correct the gap BD timing gap due to the angle variation of
Scanner Mirror.
Laser shutter control
To prevent the laser light from being emitted to the machine inside.
Image tilt correction control
To correct the image tilt in vertical scanning direction (this control
is operated based on the result of color displacement correction
control).
T-2-23
Main
Controller
DC Controller (UN1)
Laser ON/OFF control
Horizontal scanning
synchronous control
Image tilt correction control
Laser Driver PCB
Laser Driver PCB
Laser Scanner Unit 1
Laser Scanner Unit 2
Laser scanner motor control
Laser shutter control
BD correction control
Vertical scanning
synchronous control
APC control
Laser Driver PCB
Laser Driver PCB
Scanner Motor
Scanner Motor
F-2-47