Tray X Empty message displays. Tray does not respond to loading paper. No response from the front door switch.
| FRU | Action |
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1 | High Capacity Feeder | Check the voltage on the board at |
| Option Control Board | |
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| approximately +5 V dc. If incorrect, |
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| disconnect the cable at J4 and check |
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| the voltage again. If incorrect, |
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| replace the high capacity feeder |
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| option control board. |
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2 | Elevator Top Optical | Check the continuity of the sensor |
| Sensor Cable | cable. If incorrect, replace the cable. |
| Elevator Top Optical | If correct, replace the top optical |
| Sensor | sensor assembly. |
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Tray X Paper Low Message displays when the high capacity feeder input tray is full or has adequate paper in the tray.
| FRU | Action |
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1 | Paper Low Switch | Run the sensor diagnostics for tray X |
| Paper Low Switch Cable | (X=the number that represents the |
| High Capacity Feeder | high capacity input tray). If the test |
| Option Control Board | fails, check the voltage at |
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| (grey). The voltage measures |
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| approximately +24 V dc. If incorrect, |
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| disconnect the paper low switch |
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| cable from J3 and measure the |
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| voltage again on |
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| replace the high capacity feeder |
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| option control board. If correct, |
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| check the cable for a short between |
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| pins 1 and 2 on the cable. If |
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| incorrect, replace the cable. If |
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| correct, check the switch for a bent |
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| or deformed actuator lever or |
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| defective switch. If incorrect, replace |
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| the switch. |
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