Scanner System; Scannner System Overview - Samsung SCX-8030ND Series Service Manual

2.9 Scanner system

This section describes the printer scanner system part
2.9.1 Scanner System Overv 2 9 1 S
During the scanning process, the surface of a docume
the paper is led through mirrors, a lens, and a slit to a
performed, converting the optical image data into an e
changed to a digital signal, which then undergoes vario
formation. After that, arithmetic operations are perform formation After that arithmetic operations are perform
the data writing processor.
In this printer, a reduction-type CCD for color processi
white CCDs is that its devices are arranged in 3 lines a
These lines are composed with 3-line color devices an
1. DADF Glass
Service Manual
SCX-8030/8040 series
2. Product D
S t O
2. FR module
3. HR module
Description
ts and processes.
view i
ent is exposed to direct light. The light reflected from
CCD where optical-to-electrical conversion is
electrical (analog) signal. This analog signal is
ous corrective processes necessary for image
med on the digital signal, which is then transmitted to med on the digital signal which is then transmitted to
ing is used. How this CCD differs from black and
and covered with color filters (Red, Green, and Blue).
nd a black-and-white device with no filter.
7. Auto Paper Sensor
Reflector
Xe-Lamp
4. Lens
2-4 48
6. Scan Main Board
5. CCD Board
Driving Pulley
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