The elevator tray fails to stop at the correct position and continues to drive into the bottom frame.
| FRU | Action |
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1 | Lower Limit Switch | Check continuity of the lower limit |
| Lower Limit Switch Cable | switch. If incorrect, replace the |
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| switch. If correct, check the switch |
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| cable. If incorrect, replace the cable. |
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| If correct, replace the high capacity |
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| feeder option control board. |
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2 | High Capacity Feeder | Disconnect the lower limit switch |
| Control Board | cable and check the voltage at |
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| (orange). The voltage measures |
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| approximately +5 V dc. If incorrect, |
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| replace the high capacity feeder |
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| option control board. |
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The elevator tray down button does not operate. The tray moves to the upper position.
Service Tip: Open the high capacity feeder option front door and check the black rubber bumper attached to the door switch spring. Be sure the rubber button is centered and not touching the sides of the hole or the switch will not function properly.
| FRU | Action |
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1 | Lower Limit Switch | Check the lower limit switch to make |
| Lower Limit Switch Cable | sure it is not closed (normally open). |
| High Capacity Feeder | If incorrect, replace the switch. |
| Control Board | Check the lower limit switch cable for |
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| a short between pins 1 and 2. If |
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| incorrect, replace the cable. If |
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| correct, replace the high capacity |
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| feeder option control board. |
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