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2.9 Scanner system
This section describes the printer scanner system part
2.9.1 Scanner System Over
2 9 1 S
During the scanning process, the surface of a docume
The light reflected from the paper is led through mirror
electrical conversion is performed, converting the optic
This analog signal is changed to a digital signal, which
necessary for image formation. After that, arithmetic o
then transmitted to the data writing processor.
In this machine, a reduction-type CCD for color proces
with color filters (Red, Green, and Blue).
DADF Glass
Service Manual
2. Product d
S
t
O
Glass-Scan
HR module
description
ts and processes.
view
i
ent is exposed to Full Rate(FR) module light.
rs, a lens, and a slit to a CCD where optical-to-
cal image data into an electrical (analog) signal.
h then undergoes various corrective processes
perations are performed on the digital signal, which is
ssing is used. CCD is arranged in 3 lines and covered
FR module
Auto Paper Sensor
2-5
59
Lens
CCD Board
Driving Pulley
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