Epson DFX-9000 - OB: Fan3 Driver Error; OC: Fan4 Driver Error

Epson DFX-9000 Field Repair Guide 3/29/07
Troubleshooting Printer Component, Software Item, LCD Display, Printer Button Page 124.
OB: Fan3 Driver Error
Cause: Fan3 not rotating.
Action:
1. Check the FAN3 connection on the Sensor Board (CNFAN3).
2. Replace FAN3.
3. Check the Fan Alarm Sensor and 42vdc connections on the ROM Board (CNSEN1 and CNSEN2 respectively).
4. Replace the ROM Board.
5. Replace the Sensor Board.
OC: Fan4 Driver Error
Cause: Fan4 not rotating.
Action:
1. Check the FAN4 connection on the Sensor Board (CNFAN4).
2. Replace FAN4.
3. Check the Fan Alarm Sensor and 42vdc connections on the ROM Board (CNSEN1 and CNSEN2 respectively).
4. Replace the ROM Board.
5. Replace the Sensor Board.