POST fails, 230 Paper Jam, Check Duplex message displays.
| FRU | Action |
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1 | Duplex D.C. Servo Drive | Check the D.C. servo motor cables |
| Motor | for signs of cuts or other damage. |
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| Check the D.C. servo motor sensor |
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| cable connector for pin damage. If |
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| no problem is found, replace the |
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| FRUs in the following order: |
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| D.C. motor assembly |
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| duplex option system board |
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2 | Input Sensor, Input Sensor | Run the Duplex Sensor Test from the |
| Flag | diagnostics menu. If the test fails, |
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| check the input sensor cable at J5 |
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| on the system board for correct |
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| installation. If no problem is found, |
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| replace the FRUs in the following |
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| order: |
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| input sensor assembly |
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| duplex option system board |
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3 | Paper Exit Sensor and Flag | Check the duplex exit sensor for |
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| correct installation and free |
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| movement of the sensor flag. Check |
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| to make sure the sensor cable is |
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| connected to J8 on the system |
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| board. If no problem is found, |
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| replace the FRUs in the following |
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| order: |
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| exit sensor assembly |
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| duplex option system board |
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