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Laser/scanner system
The laser/scanner system forms latent images on the photosensitive drum according to the
VIDEO signals sent from the formatter. The laser/scanner unit is illustrated below.
Figure 5-20.
Laser/scanner unit
The laser/scanner unit is controlled by the DC controller and consists of four laser units and
two laser driver PCBs (two each of the units sitting on one laser driver), and two scanner
motors (one scanner mirror reflects two colors’ laser beams).
The following is the sequence of the printing process:
ENWW Laser/scanner system 139