Fax problems
For complete information about troubleshooting fax problems, see the HP LaserJet Analog Fax
Accessory 300 Service Manual.
Network connectivity problems
Troubleshooting network printing problems
NOTE HP recommends that you use the MFP CD-ROM to install and set up the MFP on a
network.
1 Make sure that the network cable is securely seated into the MFP's RJ45 connector.
2 Make sure that the Jetdirect LED on the formatter is lit. See
Formatter lights.
3 Make sure that the I/O card is ready. Print a configuration page. See
Information pages. If an
HP Jetdirect print server is installed, printing a configuration page also prints a second page that
shows the network settings and status.
NOTE The HP Jetdirect embedded print server supports various network protocols (TCP/
IP, IPX/SPX, Novell/Netware, AppleTalk, and DCL/LLC). Make sure that the correct
protocol is enabled for your network.
4 On the HP Jetdirect configuration page, verify the following items for your protocol:
a Under HP Jetdirect Configuration, the status is "I/O Card Ready".
b The status is "Ready".
c An IP address is listed.
d The configuration method (Config by:) is listed correctly. See the network administrator if you
are not sure which method is correct.
e The domain name is correct.
5 Perform a loopback test to verify that the firmware is functioning correctly and that the hardware
that is on the formatter is functioning correctly. See
Loopback test.
6 Perform a ping test to verify that the MFP is communicating with other devices on the network.
See
Ping test.
7 Try printing the job from another computer.
8 To verify that a MFP works with a computer, use a parallel cable to connect it directly to a
computer. You will have to reinstall the printing software. Print a document from a program that
has printed correctly in the past. If this works, a problem with the network might exist.
9 For advanced troubleshooting, see
Troubleshooting the embedded HP Jetdirect print server.
Loopback test
Use the loopback test to verify that the firmware is functioning correctly and that the hardware that is
on the formatter is functioning correctly. This test causes the formatter to send data to itself.
Fax problems 397
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