Ricoh Pro 8300S - Sc753-51; Sc753-52

1.SC Codes
483
Solution
 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.
SC753-51
Error Name
Perfect Binder: Internal temperature thermistor error
Pattern
B
Error Condition
Temperature was detected above 10°C three consecutive times (sampled every sec. for 1 min.).
Major Cause
 Internal temperature thermistor connector loose, broken, defective
 Thermistor defective
 Slave board defective
Solution
 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.
SC753-52
Error Name
Perfect Binder: Glue heater startup error 2
Pattern
B
Error Condition
The warm-up temperature was above the +-5°C target for the glue vat temperature. (Not detected
within 100 sec. after machine warm-up.)