sc543MP 2002L

Ricoh MP 2002L SC543: Overheating

SC543 indicates that the fuser has detected an over-temperature state.

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Common causes

  • 1Faulty thermistor
  • 2Bad relay

Solutions

Quick Diagnostics

Fuser temperature exceeds safe thresholds.

Step-by-Step Solution

  1. Turn off.
  2. Cooling break.

Maintenance and Prevention

Avoid extremely long runs without breaks.

When to Call a Technician

If internal control board fails.

Device Technical Data