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| FRU | Action |
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2 | Logic Board | Remove Tractor 2 from the printer but leave the |
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| cable connected. Be sure the slider (the black |
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| plastic piece just above the right cover) moves |
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| after turning the printer off and then on. |
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| If the slider does not move after turning the |
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| printer off and then on: |
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| • Be sure the slider and gear train are properly |
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| connected and move freely with the power |
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| off. |
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| • Be sure the Tractor 2 board is receiving: |
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| +40 V dc on |
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| If not, check the cable connection and the |
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| voltages at logic board |
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| right pin at CN10 is pin 1 (+40 V dc) and the |
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| pin just beneath it is pin 5 (+5 V dc). |
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| If these voltages are not present replace the |
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| logic board. |
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3 | Tractor 2 Motor | Check the resistances of the Tractor 2 motor |
| Board /Cable Asm | windings at CN5 on the Tractor 2 board. There |
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| should be 101 ± 5 ohms between pins: |
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| CN5 |
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| CN5 |
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| CN5 |
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| CN5 |
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| If the motor is good, replace the board / cable |
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| assembly. |
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| For information on the Tractor 2 cable |
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| connectors, see “Tractor 2 Cable |
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| Connectors” on page |
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