iTunes crashes OfficeJet 7310

My father recently bought an iPod Nano and installed iTunes 7.7.1.
Whenever iTunes started up, his network-connected OfficeJet 7310 would
crash and cause iTunes to lock up. All of the lights would flash, and
the display would sometimes show some error code on a blue screen.
Hitting power would 'reboot' it.

Luckily, only the one computer uses the printer, so I changed it to the
USB connection, and it is working fine now.

Has anyone seen something like that before? I assume it's something with
iTunes searching for media devices and sending some commands that causes
the printer to crash. All software is up to date. I have to assume the
firmware is also up to date, as I remember it being updated shortly
after he bought it. I didn't find anything obvious on the HP
knowledgebase or Google.

For reference, the computer was a laptop running XP SP2. Everyhing is
connected through an old D-Link DI-514 router.

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