Laser/scanner system
The laser/scanner system receives VIDEO signals from the ECU and formatter and converts the signals
into latent images on the photosensitive drum.
The main components of the laser/scanner are the laser unit and the scanner motor unit. The DC
controller sends signals to the laser/scanner to control the functions of these components.
Figure 1-13 Laser/scanner system
Formatter
DC controlle r
BDI signal
VIDEO signal
LASER CONTROL signal
SCANNER MOTOR CONTROL signal
Engine controller
Photosensitive drum
Scanning mirror
BD sensor
Laser unit
Scanner motor unit
22 Chapter 1 Theory of operation ENWW
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