Circuit - Ricoh C211 Service Manual

2.2 CIRCUIT

Drum
Safety SW
Drum
Release
Solenoid
Drum
Rotation
SW
Ink Supply
Solenoid
Color
Drum
Ink Petection
Pin
Component Name
MSW: Drum
Rotation
Ink Supply SOL
Drum Release SOL
Ink Detection PCB
C216
Scanner
Safety SW
SOL
COM
NC
NO
1
SOL
2
5
6
7
8
Ink Detection
Board
ID Conversion Board
I/O
CN No
24V
0V
I 104-30
24V
O 102-16
24V
O 104-35
12V
I 104-9
2-7
CN102-46
+24 V
CN104-39
Safety SW = IN
CN104-35
Safety SW = OUT
CN104-40
CN104-30
MSW: Drum Rotation
2 A
CN102-45
CN102-16
CN104-3
GND
CN104-14
SIG: Color Drum
CN102
-43
GND
CN104
-9
Ink Detection
CN102
-41
-12 V
Main Board
Description
When the drum rotation SW is pressed,
CN104-30 goes to 24V.
When the solenoid is turned on,
0V
CN102-16 goes to 0V.
When the drum position sensor 1 is
0V
deactuated, CN104-35 goes to 0V.
When there is no ink on the ink roller,
0V
CN104-9 goes to 0V.
24 V
SM