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Process/Operation > Laser Exposure System > Overview > Overview
Process/Operation > Laser Exposure System > Overview > Overview
Laser Exposure System
Overview
■
Overview
Laser exposure system forms the electrostatic latent image on the photosensitive drum by the
laser exposure.
This system is composed of the laser assembly and the scanner motor assembly that are
unified as the laser scanner unit.
In this machine, 1-polygon 4-laser method is adopted for the purpose of downsizing.
Scanner Motor
Driver
Photosensitive Drum
Scanner motor control signal
Video signal
Laser control signal
BD signal
Scanner Mirror
C/Bk Laser Driver
Y/M Laser Driver
Relay PCB
DC Controller
Main Controller
F-2-43
[2]
[ 3]
[4]
[ 5]
[6]
[ 8]
[11]
[ 12]
[10]
[ 10]
[13]
[ 11]
[7]
[ 9]
[1]
DC Controller
Main Controller
[1]
C/Bk Laser Driver
[8]
BD signal
[2]
C/Bk video signal
[9]
Y/M Laser Driver
[3]
C/Bk laser control signal
[10]
Imaging Lens
[4]
Scanner motor control signal [11]
Reflection Mirror
[5]
Y/M video signal
[12]
Polygon Mirrors
[6]
Y/M laser control signal
[13]
Scanner Motor Driver
[7]
BD Circuit
F-2-44