I'm just guessing...but I suspect that your post is in the External Hardware forum...because that's what a printer is, a piece of hardware connected to a system which is not connected directly to the motherboard. Any software installed in relation to a printer...is done so only to enable or enhance it's function...so it's a printer problem when such software results in an issue.
The software serves no purpose without the printer and would not have been installed on its own, so it's not really a "software problem."
If you scan through other posts in this forum, you might see other printer problems of various types here.
The software that is installed with a printer (drivers, etc.) is only installed for performance of that item, hence problems with drivers and printer software (IMO) can really be approached in at least two different ways.
Since XP is not at fault here, but you...by attempting to install XP drivers onto a Vista system...you have blurred the issues, this could have gone to several different forums.
I'll give you my cure for drivers which need to be removed...and if you don't like the response you are getting in this particular forum...I won't try to limit your posting your situation in either the XP or Vista forums.
You might bear in mind that many of the same members frequent multiple forums, so you may see some of the same responses in other forums.
In any case...I suggest trying this: How to uninstall hidden devices, drivers, and services - Tech-Recipes.com - http://www.tech-recipes.com/windows_instal...on_tips504.html
You might bear in mind that...an all-in-one will not appear in Device Manager as a printer, but rather as a scanner under the Imaging Device category.
Edit: I forgot to add...that it's probably a good idea to disconnect the printer, before trying to remove any/all folders/files related to it. I know that XP senses my all-in-one whether it's powered or not.\, no point in confusing issues.
Edited by hamluis, 25 January 2009 - 06:25 PM.