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AR-BC320 DESCRIPTIONS OF EACH SECTION 7 - 23
(3) Major parts and signals functions and operations
RW: Abbreviation of Related Wiring, which means the said load is specified in the related figure of the mechanical and the electrical sections.
No.
Name
Code, Signal name
Function
1
Scanner motor
SM
Drives the copy lamp unit and the mirror base unit.
2
Pulley belt
—
Transmits drive power of the scanner motor to the pulley.
3
Pulley
—
Drives the scanner drive wire.
4
Scanner drive wire
—
Transmits drive power of the scanner motor to the copy lamp unit and
the mirror base unit.
5
Scanner unit home position sensor
MHPS
Detects the home position of the copy lamp unit.
6
Shading glass
—
Reference glass for shading correction
7
Copy lamp
CL
Radiates light onto documents. (Xenon lamp)
8
Reflector
—
Converges light from the copy lamp.
9
No. 2 mirror
—
Sends document images to No. 3 mirror.
10
No. 3 mirror
—
Sends document images to the lens.
11
Lens
—
Reduces document images (photo images) and projects them to the
CCD.
12
CCD PWB
—
Receives the document image (photo signals) and converts them into
electrical signals.
RW
Inverter PWB
LAMP
Drives the copy lamp (Xenon lamp).
RW
Scanner motor drive
SM A, A’, R, B’
RW
MHPS
MHPS
Scanner home position detect jam
6
5
4
2
1
3
12
9
10
8
11
7
Summary of Contents for AR-BC320
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