HP L7680 suddenly stopped working Mon, 2 computers get device not recognized

We are totally frustrated. The printer worked fine on Sun.  On Mon, no luck.  We have it directly connected to a Compaq running Windows 7 and occasionally switch it to a Toshiba laptop running XP.  Both machines now say a USB device is not recognized.  We have tried switching the cable, rebooting all devices.  Nothing works.  When I tried to get the Solution Center to recognize it, it went to 98% and into never-never land.  After 20 minutes, I gave up.  Any ideas?

Hello retiredinsc,
Welcome to the HP Support Forums!
Sorry to hear about the recent printing issues on the L7680, it is very strange that on Sunday it will work and then Monday it will not.
With the USB cable connected, to either computer, run the Print and Scan Dr. This will check for hardware issues on the printer, driver, software and communication issues on the computer.
Let me know what the results are, what passes, fails, etc.
Cheers,
JERENDS
I work on behalf of HP
Please click “Accept as Solution” if you feel my post solved your issue, it will help others find the solution.
Click the “Kudos Thumbs Up" to the left of the reply button to say “Thanks” for helping!

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