Image Processing Pcb (Ipif) - Riso GR 3770 Technical Manual

DESCRIPTION OF PCBs

IMAGE PROCESSING PCB (IPIF)

4. Image Processing PCB (IPIF)
To Power Supply
PCB CN5
SW
SW1(GAM) : For Gamma compensation adjustment
SW2(SLICE) : Line mode slice level adjustment
SW3(ADF) : ADF Read Pulse Motor speed adjustment(Image elongation/shrinkage)
SW4(WPM) : Write Pulse Motor speed adjustment
SW5(FB) : FB Read Pulse Motor speed adjustment(Image elongation/shrinkage)
SW6(HP) : Paper Size potentiometer compensation adjustment
LED
LED1(+5V) : +5V
LED2(+12V) : +12V
LED3(+24V) : +24V
GR3770
To FBI PCB To FBI PCB
B2 B30
B29
6 4 B1
3 1 A2 A30
A29
A1
CN5 CN1
ADF
SW1 SW2 SW4
SW3
SLICE WPM
Light (0) - Dark (F)
Dark (0) - Standard (8) - Light (F)
Shrink (0) - Standard (8) - Elongate (F)
Shrink (0) - Standard (8) - Elongate (F)
Shrink (0) - Standard (8) - Elongate (F)
(0 - F)
TP
TP1
TP47
APX(II)-10
To Digitizer PCB
2 26
1
25
CN3
HP
To TPH
SW5 SW6
FB
IC45
To System PCB2
: GND
: GND