Parallel Port Service Check
| FRU OR PROCEDURE | ACTION |
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1 | Parallel Port | Run a test page to be sure the printer |
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| can print. Run the “Parallel Port Test” |
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| on page 28. If the test fails, replace |
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| the system board. |
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2 | Serial Adapter | Check the serial adapter green light. |
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| If the light is off, replace the serial |
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| adapter. |
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| Run the “Serial Adapter Test” on |
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| page 29. Compare the printout of the |
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| switch setting configuration to the |
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| switch settings on the serial adapter. |
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| If they do not match, the switches |
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| could be failing. Try running the Serial |
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| Adapter Test again. If the printout still |
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| doesn’t match the switch settings, or if |
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| you don’t get a printout replace the |
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| serial adapter. |
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