Ricoh PRO C7200X - Page 304

1.SC Codes
300
SC No.
Level
Error Name/Error Condition/Major Cause/Solution
SC753-
50
B
Perfect Binder: Internal temperature thermostat disconnect error
The A/D value of the internal temperature thermostat was detected below -20
degrees for 1 sec.
 Internal temperature thermistor connector loose, broken, defective
 Thermistor defective
 Slave board defective
 Reconnect the connector.
 Replace the internal temperature thermistor.
 Replace the slave board.
 Replace the thermistor harness.
After the repairs, cancel the low performance mode, and then turn the power
off/on.
SC No.
Level
Error Name/Error Condition/Major Cause/Solution
SC753-
51
B
Perfect Binder: Internal temperature thermistor error
Temperature was detected above 10°C three consecutive times (sampled every
sec. for 1 min.).
 Internal temperature thermistor connector loose, broken, defective
 Thermistor defective
 Slave board defective
 Reconnect the connector.
 Replace the internal temperature thermistor.
 Replace the slave board.
 Replace the thermistor harness.
After the repairs, cancel the low performance mode, and then turn the power
off/on.
SC No.
Level
Error Name/Error Condition/Major Cause/Solution
SC753-
52
B
Perfect Binder: Glue heater startup error 2
The warm-up temperature was above the +-5°C target for the glue vat
temperature. (Not detected within 100 sec. after machine warm-up.)
 Internal temperature thermistor defective
 Glue heater defective
 Slave board defective
 Reconnect the connector.
 Replace the internal temperature thermistor.
 Replace the gluing unit.