HP Jetdirect 250m Print Server series - Manual (Page 102)

Error messages
If your configuration page shows a status of "I/O Card Not Ready", you will see a specific error message
just below the status line. This error message indicates what is preventing the print server from
functioning correctly.
From the list below, please click on the error message that you see on the configuration page. This will
take you to a fuller explanation of the error.
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03 LAN Error: EXTERNAL LOOPBACK
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08 LAN Error: INFINITE DEFERRAL
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11 LAN Error: RETRY FAULTS
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12 LAN Error: NO LINKBEAT
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Other Error: If the error that you see on the configuration page is not listed above, your problem
requires assistance from HP Jetdirect technical support. Click on this entry for information on
contacting HP.