Read Section; Composition; Mechanisms - Konica Minolta 7020 Service Manual

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READ SECTION

[1]

Composition

V mirror unit
2nd mirror
3rd mirror
[2]

Mechanisms

Mechanism
Light source
Exposure
Scanning *
Lamp power supply
* Platen and RADF scans operate as follows.
a. Platen original: The original is placed on the platen
glass, and reading is accomplished by movement
of the exposure unit and V mirror unit.
b. RADF original: The exposure unit and V mirror unit
are shifted under slit glass, and the original is
scanned as it passes over the exposure unit.
Optics wires
V mirror unit
CCD unit (AD converter
board (ADB))
1st mirror
Optical motor (M2)
4 * : APS sensor 1 (PS17) is not installed on the 7022/7130/7135.
Method
Xenon lamp
Light source slit exposure
Platen original scanning:
Movement of 1st, 2nd,
and 3rd mirrors.
RADF original scanning:
Original is moved with light
source held stationary.
Lamp cord
Home-position
sensor (PS14)
Exposure unit
Slit glass
V mirror unit
2-C-1
READ SECTION
APS sensors 1 and 2 *
(PS17, PS18)
Exposure-lamp
inverter (INV1)
Scanner drive
board (SCDB)
Platen original
Exposure unit
CCD unit
RADF original