Corona Unit Section; Composition; Mechanisms - Minolta Di551 Service Manual

CORONA UNIT SECTION

[1] Composition

<Charging corona unit>
1
1. Charging control plate
2. Charging corona wire
3. Charging wire cleaning motor (M14)
4. PCL
5. Transfer entrance guide plate

[2] Mechanisms

Mechanism
Charging Scorotron (DC negative
corona discharge)
Discharging wire: Tungsten,
0.06 mm dia. (gold-plated skin
path, with automatic wire
cleaner)
Grid control: Gold-plated
stainless plate
Transfer DC positive corona discharge
Discharging wire: Oxide film
tungsten, 0.06 mm dia., with
automatic wire cleaner
Separation AC/DC corona discharge
Discharging wire: Oxide film
tungsten, 0.06 mm dia., with
automatic wire cleaner
2
4
3
Method
2-F-1
CORONA UNIT SECTION
<Transfer and separetion corona unit>
5
10
9
6. Guide rollers
7. Transfer corona wire
8. Plunging prevention plate (front)
9. Separation corona wire
10. Plunging prevention plate (rear)
6
7
8