I recently upgraded from dell dimension 4100 to a used dell 4550 and transferred my officejet. I supposedly found the latest upgrades from hp and installed them and the latest driver. When I first start up the dell, the all-in-one works fine. After any printing from the pc to the printer, it disconnects. This is so frustrating. The only way I can get communications is to restart the computer. It always gives me an error when initializing the hp printer, but the communications still works. I thought it might be a bad cable, so replaced it. The problem is the same. Can this have something to do with the newer computer maybe having been on a network and has to be initialized each time a print has been done?
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Updated to dell. HPT45 will print color test page. No color on standard print monde.
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