Since upgrading to OSX 10.6.6 HP Colour Laserjet 2605 no longer connects?

10-11  Source: Network gathering  Views:0 

I have just upgraded to Snow Leopard OS 10.6.6. My HP Colour Laserjet 2605 no longer works. If I try to print, it says it is offline. I have tried removing and re-adding it. It no longer shows up in Bonjour - or rather it occasionally does, for about 1 second, before disappearing. I have repeatedly reset the printing system, rebooted and re-added. No joy. I have tried adding the printer via the IP address. It never finds it. This is a printer that worked perfectly just before I upgraded from 10.5, and continues to work perfectly via my Windows PC on the same network. I notice there are several similar problems on this forum with 10.6.6 and HP printers - can anyone help?
Have you updated to the most recent drivers using Software Update?
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