HP 310X - Manual (Page 143)

Check your printer manual.
for HP Jetdirect 175x external print server/Internet connector for USB
and HP Jetdirect 310x external print server/Internet connector for
USB
There appears to be a printer error. If the printer is still not online and
does not show an error message on the control panel display, please
refer to your printer manual for further information on how to correct
the error, or for information on how to contact Hewlett-Packard
technical support if you can't correct the error. (Note that your printer
manual may be either printed on paper or stored electronically on a
CD-ROM.)
After you have resolved the printer error, if you still have problems
connecting the printer to the network you can restart this
troubleshooting utility. Click on the button below to return to the
beginning of troubleshooting for the print server.
©2000, 2001 Hewlett-Packard Company