Ricoh C231 Service Manual page 393

4.2.3 LINES
Component
+5v (CN102-4)
+5v (CN102-2, 3)
+12v (CN102-9)
-12v (CN102-8)
+24v (CN111-3, 4, 5)
+24v (CN111-1)
SM
Condition
Wire (or PSU) The machine does not turn on.
broken
The machine does not turn on, but LED104 on
the MPU blinks.
The thermal head does not burn the master.
The thermal head does not burn the master.
E-13 is displayed, and the output mode in SP
mode does not turn anything on except the
main motor.
E-13 is displayed, and SP5-14, 15 (pressure
plate motor output mode) does not turn the
motor on.
4-5
ELECTRICAL COMPONENT DEFECTS
Symptom
C231/C237/C238