Description: Development bias leak
A development bias leak signal is detected.
Causes: • Poor connection of the PCU • High voltage supply board defective
Code: SC393
Description: TD sensor error 2
TD sensor output voltage falls out of the adjustment range (2.0 ± 0.2 V) after the TD sensor initial setting has been finished.
Causes: • TD sensor abnormal • Poor connection of the PCU
Code: SC401
Description: Transfer roller leak error 1
A transfer roller current leak signal is detected.
Causes: • High voltage supply board defective • Poor connection of the PCU • Transfer roller damaged
Code: SC402
Description: Transfer roller leak error 2
A transfer roller current leak signal is detected.
Causes: • High voltage supply board defective • Poor connection of the PCU • Transfer roller damaged
Code: SC411
Description: Separation bias error
A separation bias leak signal is detected.
Causes: • High voltage supply board defective • Poor connection of the PCU • Discharge brush defective
Code: SC500
Description: Main motor lock
A main motor lock signal is detected for more than 5 seconds or the lock signal is not detected for more than 500 ms during rotation.
Causes: • Too much load on the drive mechanism • Main motor defectivee