Ricoh PRIPORT VT 2000 Series Service Manual page 129

28 February '91
5.13 CIRCUIT: VT2300/VT2500
Paper Table Lower
Limit SN
Paper Table Height SN
5.14 INPUT/OUTPUT: VT2300/VT2500
Signal Name
Paper Table
Lower Limit
Sensor
Paper Table
Height Sensor
Paper End Sensor
Paper Size
Detection Sensor
3
Paper Size
Detection Sensor
2
Paper Size
Detection Sensor
1
Paper Feed
Solenoid
Relay: Paper
Table Up
Relay: Paper
Table Down
+12V
102-38
+5V
-12V
GND
104-23
104-4
GND
+24V
104-25
FUSE
101
(1A)
+24V
Up
Down
Main Control PCB
Main Control PCB
I/O
CN No
7.5V
I 104-23
0V
7.5V
I 104-25
0V
I 104-21
2.5V
I 102-24
I 102-20
I 102-18
O 102-14
O 102- 8
O 102- 9
102-36
102-42
104-4
104-21
Paper End
102-24
SN-3
102-20
SN-2
102-18
SN-1
Paper Size Detection Board
102-14
SOL
102-45
SOL
102-13
301-10
102-8
RA
304
301-7
102-9
RA
301-8 303
Relay PCB
Level
When the actuator is in the sensor, the
5 m
sec
voltage at CN104-23 is 7.5 .V Pulse.
When the actuator is in the sensor, the
5 m
sec
voltage at CN104-25 is 7.5 V pulse.
When paper is present, the voltage at
5 m
5V sec
CN104-21 is 5.0 V pulse.
When paper is present, the voltage at
0V
5V CN102-24 is 0 V.
When paper is present, the voltage at
5V 0V
CN102-20 is 0 V.
When paper is present, the voltage at
0V
5V
CN102-18 is 0 V.
When the solenoid turns on, the
24V
0V
voltage at CN102-14 is 0 V.
When the paper table is being raised,
24V
0V
the voltage at CN102-8 is 0 V.
When the paper table is being lowered,
24V
0V
the voltage at CN102-9 is 0 V.
2-102
1-3
A
+12V
1-1 K
SENS1
1-4
C
+12V
1-2
E
SENS2
Paper End SN
Paper Feed SOL
Printing Pressure SOL
RA304
RA303
AC-H
AC100V
Description
Paper
302-3
(Up)
302-4
Paper
(Down)
M
Table
Motor
302-5