Code :

Code: SC507
Description: LCT Main Motor Lock (Optional LCT) Definition [C] A main motor lock signal is detected for more than 0.5 s during rotation.
Causes: · LCT main motor defective · Too much load on the drive mechanism · Poor motor connector connection

Code: SC510-1
Description: LCT Tray Malfunction 1 Definition [C] 1) The LCT lift sensor does not activate for more than 18 seconds after the LCT lift motor turned on. 2) The LCT lower limit sensor does not activate for more than 18 seconds after the LCT lift motor turned on. 3) The LCT lift sensor is already activated when the LCT lift motor turns on.
Causes: · LCT lift motor defective · Pick-up solenoid defective · Poor motor connector connection · Poor pick-up solenoid connector connection · Paper end sensor defective · LCT lift sensor defective · LCT lower limit sensor defective

Code: SC510-2
Description: LCT Tray Malfunction 2 Definition [C] 1) During paper lifting, the LCT lift sensor does not activate for more than 1.5 seconds after the paper end sensor turned on. If this condition occurs four times consecutively, this SC will be generated. 2) During paper lifting, after the top of the paper reaches the upper limit position, the paper is lowered until the LCT lift sensor is de-activated. At this time, the LCT lift sensor does not de-activate for more than 5 seconds.
Causes: · LCT lift motor defective · Pick-up solenoid defective · Poor motor connector connection · Poor pick-up solenoid connector connection · Paper end sensor defective · LCT lift sensor defective · LCT lower limit sensor defective

Code: SC541
Description: Fusing Thermistor Open Definition [A] The fusing temperature detected by the thermistor was below 7°C for 16 seconds.
Causes: · Fusing thermistor defective or out of position · Poor thermistor terminal connection

Code: SC542
Description: Fusing Temperature Warming-up Error Definition [A] The fusing temperature does not reach the fusing standby temperature within 145 seconds after the main power switch is turned on.
Causes: · Fusing thermistor defective or out of position · Fusing lamp open · Fusing thermofuse open · BICU defective · Power supply board defective · Poor fusing unit connection

Code: SC543
Description: Fusing Overheat Error 1 Definition [A] A fusing temperature of over 231°C is detected for 5 seconds by the fusing thermistor.
Causes: · Fusing thermistor defective · BICU defective · I/O board (IOB) defective

Code: SC545
Description: Fusing Overheat Error 2 Definition [A] The fusing lamp stays on at full power for 30 seconds while in the stand-by condition after warming-up is completed.
Causes: · Fusing thermistor out of position

Code: SC546
Description: Fusing Ready Temperature Malfunction Definition [A] The fusing temperature goes 20°C below or 20°C over the stand-by temperature after warm-up is completed.
Causes: · Poor thermistor connector connection · Poor fusing unit connection