How do I fix error code SC 543 for my copier Infotec ISC 2824, thank you

Ricoh Error Code SC541 sc542 sc 543 sc544 sc545 sc546 Lanier Savin...

Reseting SC 543 error code on Ricoh copier

Press CLEAR MODE(yellow) key,
Press 1 , 0 , 7
Press and hold down CLEAR/STOP (red) key for more 5 sec.
Press in the SP Mode( on the touch pane)

Go to sp5810 and reset SC code

Open the front door turn OFF the power main switch, and turn it ON

fuser assy replace or have tech fix will need to reset code if you replace fuser assy

thermal fuse blown this guy says


Ricoh Error Code SC541 sc542 sc 543 sc544 sc545 sc546 Lanier Savin...

Try, after powering down, removing and reseating the controller board (the one that the print cable plugs into) -Carl

Fusing overheat error

Symptom:
Detected fusing temperature
remained above 230°C for 1
second.

Possible Cause:
• Fusing thermistor defective
• PSU defective

I have infotec machine when I powered machine a error code genereted sc 541 what is the solution?

Start by pressing clear modes, 1, 0, 7, and press and hold clear/stop. enter copy sp, select 7 fot data log, scroll to 7807, and execute. exit all the way out, and recycle the power. See if that does not fix your problem.

No.
Type
Details (Symptom, Possible Cause, Troubleshooting Procedures)
553
A
Heating roller overheat (software error)
The detected heating roller temperature stays at 230°C or more for 1 second.
• Defective PSU
• Defective lOB
• Defective EGB
Related SC code: SC 543
1. Replace the PSU.
2. Replace the lOB.
3. Replace the EGB.
This is the simptoms of the service manual , you should check that your power output is stable and double check if there is not anything like paper stuck some were in the fuzing unit wich could also cause the fuzer to over heat