RICOH MP301SPF ERROR CODE SC500 SC541 SC542 SC543 SC544 SC546

Repair of a RICOH copier generating damage codes related to the furnace, i.e. fusing.
Thermistor, lamp and thermostat heating shaft replacement
all parts available at www.copy-expert.pl
SC-541 Fusing thermistor open error: The fusing temperature remains lower than the specified temperature by 20 degrees Celsius:
Defective thermistor
Incorrect installation of the thermistor
Defective power supply unit
Loose connectors
SC-542 Fusing temperature warm-up error
Defective thermistor
Incorrect installation of the thermistor
Defective fusing lamp
Defective power supply unit
SC-543 Fusing overheat error 1:
Defective thermistor
Defective power supply unit
SC-544 Fusing overheat error 2
Defective thermistor
Defective power supply unit
SC-545 Fusing lamp overheat error:
Defective thermistor
Incorrect installation of the thermistor
Defective power supply unit
SC-546 Unstable fusing temperature:
Defective thermistor
Incorrect installation of the thermistor
Defective power supply unit
SC-559 Consecutive fusing jam:
Paper jam in the fusing unit.
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[@احمدمحمد-ع3ظ8ذ]

I have richo 5210 and in the screen appears some thing called functional problem and sc 500, What I do now

[@MrRicoh]

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

[@akashrathod6786]

@@MrRicoh how to solve Ricoh sp210 sc500 eror code

[@cornelongondo3513]

@@MrRicoh how do we go about this error ricoh sp301 sc500

[@techtips9079]

dear Whats the reason for this error.? And how do u solved?