Error Name/Error Condition/Major Cause/Solution
• IOB (PCB17) defective
1. Update the engine software to the latest version.
2. Replace the IOB (PCB17).
SC500 (Engine: Paper Transport 2: Fusing, Others)
Error Name/Error Condition/Major Cause/Solution
Fusing Pressure Release Motor (M9) Error 1
The over-current detection signal of the fusing pressure release motor (M9) is
detected 20 times consecutively.
• Connector disconnected or defective
• Drive transmission of the Fusing pressure release motor (M9) defective
• Fusing pressure release motor (M9) defective
• Connect-Left PCB (PCB20) defective
• IOB (PCB17) defective
• Connector disconnected or defective
Reconnect the following connectors. Then perform a conduction inspection. If
there is no conduction, replace the connector.
• Fusing Pressure Release Motor (M9) – Connect-Left PCB (PCB20)
connector
• Connect-Left PCB (PCB20) – IOB (PCB17) connector
• Drive transmission of the Fusing pressure release motor (M9) defective
Check the gears. If any gears are damaged, replace them.
• Fusing pressure release motor (M9) defective
Replace the Fusing pressure release motor (M9).
• Connect-Left PCB (PCB20) defective
Replace the Connect-Left PCB (PCB20).
• IOB (PCB17) defective
Replace the IOB (PCB17).
Error Name/Error Condition/Major Cause/Solution
Fusing Pressure Release Motor (M9) Error 2
The position detection sensor is not detected for 30 seconds consecutively after
the fusing pressure release motor (M9) is activated.
• Connector defective or disconnected
• Drive transmission of the Fusing pressure release motor (M9) defective
• Fusing pressure release motor (M9) defective
• Connect-Left PCB (PCB20) defective
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