Ricoh A028 Service Training Manual page 167

1 July 1994
TP (test pins) table
No.
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
Table of connector destinations
No.
101
102
103
104
105
106
107
108
109
110
112
113
RXD Finisher receiving data
TXD Finisher transmission data
RXD Paper feed control receiving data
RXD ADF receiving data
TXD Paper feed control transmission data
TXD ADF transmission data
GND
+5V Power line
-12V "
+24V "
+12V "
RMAIN Main motor standard clock pulse
ROPC OPC motor standard clock pulse
ENC OPC motor encoder input
4V AD converter standard voltage
AGND AD converter standard GND
GND
TXD Operation unit transmission data
RXD Operation unit receiving data
CPU
M Printer connector
M Sensors, switches and detection signals input
M Solenoids, motors, relays, and other loads output
S Main and OPC motors standard clock and encoder pulses input
S Analog data input
S Sensors, power pack leak detecting signals, and other input
S Power packs, flash, and other loads outputs
M Optical fiber: Finisher
M Optical fiber: Paper feed control board
M Optical fiber: ADF
- DC power input
Not used
⇑
M is controlled by the main CPU and S by the sequence CPU.
Description
Destination
2-131
Electrical Control