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Ricoh A224 Aficio 250 AD1-E
Error Codes List page 6
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- Code: SC920
- Description: MSU connection error
The MSU set signal is not detected
- Causes: • Poor connection between the BICU board and the MSU • BICU board defective • MSU defective
- Code: SC921
- Description: MSU hardware error
The hardware of the MSU is defective
- Causes: • MSU defective • BICU defective • Front door safety switch does not work properly
- Code: SC980
- Description: Program loading error
The program cannot load properly.
- Causes: • Poor connection between the BICU and the ROM board • BICU board defective • ROM board or the program defectiveM
- Code: SC981
- Description: NVRAM clear error
The data stored in the NVRAM is not cleared properly when the Memory All Clear is performed.
- Causes: • NVRAM defective
- Code: SC990
- Description: Communication error between BICU and IOCSS board
The BiCU board cannot communicate with the IOCSS board properly.
- Causes: • Poor connection between the BiCU board and the IOCSS board • BiCU board defective • IOCSS board defective