Description: Fusing ready temperature malfunction
The fusing temperature goes 10 °C below or 10 °C over the stand-by temperature after warm-up is completed.
Causes: • Thermistor defective • Poor connection of the fusing unit • Power supply board defective
Code: SC547
Description: Zero cross signal malfunction
Zero cross signals are not detected within a certain period.
Description: Communication error between IOCSS and duplex unit
The IOCSS board cannot communicate with the duplex unit properly.
Causes: • Poor connection of the duplex unit • IOCSS board defective • Duplex control board defective
Code: SC691
Description: Communication error between BICU and fax controller
The BiCU board cannot communicate with the fax controller properly.
Causes: • Poor connection of the interface harness which connects the BiCU board and the fax controller • BICU board defective • Fax controller defective
Code: SC692
Description: Communication error between BiCU and printer controller
The BICU board cannot communicate with the printer controller properly.
Causes: • Poor connection of the interface harness which connects the BICU board and the mother board. • Poor connection between the mother board and the printer controller • BICU board defective • Printer controller defective • Mother board defective
Code: SC900
Description: Total counter error
The total counter is not working properly.
Causes: • Total counter defective • IOCSS board defective