User Guide

Laser scanner system
The DC controller controls the laser scanner system according to commands from the formatter. The DC
controller controls the internal components in the laser scanner system to form latent electrostatic image
on the photosensitive drum according to the VIDEO signals. The following are the main components of
the laser scanner system:
●
Laser assembly
●
Scanner motor assembly
●
BD (beam detect) sensor
●
Scanner mirror
Figure 1-10 Laser scanner system
DC controller
Photosensitive drum
Scanner mirror
BD sensor
Laser assembly
Scanner motor assembly
20 Chapter 1 Theory of operation ENWW