Ricoh Pro 8320 - Sc753-53

1.SC Codes
484
Major Cause
 Internal temperature thermistor defective
 Glue heater defective
 Slave board defective
Solution
 Reconnect the connector.
 Replace the internal temperature thermistor.
 Replace the gluing unit.
 Replace the slave board.
 Replace the thermistor harness.
After the repairs, cancel the low performance mode, and then turn the power off/on.
SC753-53
Error Name
Perfect Binder: Glue heater startup error 3
Pattern
B
Error Condition
The warm-up temperature was below the +-5C target for the glue vat temperature. (Not detected within
100 sec. after machine warm-up.)
Major Cause
 Internal temperature thermistor defective
 Glue heater defective
 Slave board defective
Solution
 Reconnect the connector.
 Replace the internal temperature thermistor.
 Replace the gluing unit.
 Replace the slave board.
 Replace the thermistor harness.
After the repairs, cancel the low performance mode, and then turn the power off/on.