All printers stopped working

Hello,
Within the last week, ALL of my printers stopped working with my Blackbook.
Previously, I printed wired and wirelessly (airport express) to my HP C3180 at home as well as two Dell laser printers at work. Now all of a sudden, I can't print anything.
I know the HP and my Mac still communicate because I can print a test page and scan. But if I try to print, the print utility says: "Communication Failure: The computer is no longer able to communicate with your printer. Turn the printer off, check your printer connections and check for printer errors, and turn the printer back on."
I used the HP Uninstaller and then reinstalled the latest software and drivers. Still nothing.
One Dell at work gives an error 99. The other color Dell just says Stopped in status and I can't get it to resume no matter what I do. Both print fine from other computers, both Mac and PC. I deleted them from my preferences and added them again, still nothing.
The only thing that has changed recently is my wireless router. I moved my Airport Express to my stereo for Airtunes and am now using a Belkin wireless router. I can't imagine this is what made ALL of my printers stop working with my Mac.
What should I do? Any ideas or recommendations would be greatly appreciated.
Hope all is well.
Ciao,
Rodrigo

Figured it out. Unplugged base station and printer. that apparently rest everything and it's working fine now.

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Figured it out. Unplugged base station and printer. that apparently rest everything and it's working fine now.

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