CHAPTER 4
Action: Disconnect connector J216 on the DC controller PCB. Turn the power switch ON and measure the voltage between connector
3.The DC controller PCB is defective. Action: Replace the DC controller PCB.
<Possible causes>
1. The FM1 drive signal line connector is loose.
Action: Reconnect connector J208 on the DC controller PCB.
2. The fixing unit/scanner fan is defective.
Action: Disconnect connector J208 on the DC controller PCB. Turn the power switch ON and measure the voltage between connector
3.The DC controller PCB is defective. Action: Replace the DC controller PCB.
<Possible causes>
1. The FM4 drive signal line connector is loose.
Action: Reconnect connector J225 on the DC controller PCB and connectors J25 and J26.
2. The fixing unit fan is defective.
Action: Disconnect connector J225 on the DC controller PCB. Turn the power switch ON and measure the voltage between connector
3.The DC controller PCB is defective. Action: Replace the DC controller PCB.
Multi-purpose tray pick-up unit fan (FM5) failure
<Possible causes>
1. The FM5 drive signal line connector is loose.
Action: Reconnect connector J229 on the DC controller PCB and connectors J34 and J35.
2. The
Action: Disconnect connector J229 on the DC controller PCB. Turn the power switch ON and measure the voltage between connector
3. The DC controller PCB is defective.
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