Laser/scanner system
The laser/scanner system forms the latent electrostatic image on the photosensitive drums according to the
VIDEO signals sent from the formatter. The product has two laser/scanners: one for yellow and magenta and
the other for cyan and black.
The main components of the laser/scanner system are the laser unit and the scanner motor unit, which are
controlled by the signals sent from the DC controller.
Figure 1-9 Laser/scanner system
DC controller
Formatter
Scanner mirror
Scanner motor unit
SCANNER MOTOR
CONTROL signal
VIDEO signal
LASER CONTROL signal
BDI signal
BD sensor
Laser unit
Photosensitive drum (M)
Photosensitive drum (Y)
Yellow laser
Magenta laser
Protective glass
ENWW Laser/scanner system 23
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