Ricoh Pro 8300S - Sc753-56; Sc753-57

1.SC Codes
486
 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.
SC753-56
Error Name
Perfect Binder: Glue low limit late error
Pattern
B
Error Condition
The level of the glue in the vat was detected below the low limit 4 times.
Major Cause
 Glue clogged, glue supply defective
 Glue level thermistor connector loose, broken, defective
 Slave board defective
Solution
 Reconnect the connector.
 Replace the gluing unit.
 Replace the slave board.
 Check the remaining amount of glue pellets.
 Remove the clogged glue.
 Check the gluing unit.
After the repairs, cancel the low performance mode, and then turn the power off/on.
SC753-57
Error Name
Perfect Binder: Glue high limit late error
Pattern
B
Error Condition
Without glue application, and with the glue level above the low limit, the glue level thermistor did not
detect the level of the glue at the high limit, even after 12 glue pellets were supplied.