Service Call SC 553 on Ricoh Aficio SP C811DN Printer.
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
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