Ricoh PRIPORT VT 2000 Series Service Manual page 196

2.3 VT2300/VT2500 VR
NO. VR
1. VR-101
2. VR-102
3. VR-103
4. VR-104
5. VR-105
6. VR-1
7. VR-2
8. VR-201
9. VR-204
10. VR-901
2.4 VT2300/VT2500 DIP SW (on the image processing PCB)
NO. DIP SW
1. DPS400-1
2. DPS400-2
3. DPS400-3
4. DPS400-4
5. DPS400-5
6. DPS400-6
7. DPS400-7
8. DPS400-8
PCB
Main
Main
Main
Main
Main
A/D Conversion White Level Adjustment
A/D Conversion Black Level Adjustment
Power Supply Thermal Head Voltage Adjustment (16V)
Power Supply Vcc(+5V) Line Voltage Adjustment
Ink Detecting
Enlarge/Reduction Compensation Switch
Enlarge/Reduction Compensation Switch
Enlarge/Reduction Compensation Switch
Reproduction Ratio (ON: LT Version OFF: A4 Version)
Thermal Head (Pulse Control)
400-5
400-6
Output the Test Pattern Image (Normal: ON)
Dither matrix selection (Normal: ON)
(ON: 6 x 6 Dither matrix, OFF: 4 x 4 Dither matrix)
Main Motor Speed Adjustment
2nd Paper Exit Detection Adjustment
Drum Master Detection Adjustment
Master Eject Detection Adjustment
1st Paper Exit Detection Adjustment
Ink Detecting Adjustment
Function
Image Density
High
ON ON
ON OFF
4-7
28 February '91
Function
Low
OFF OFF
ON OFF