@rizla -
not too sure what you are asking as, to the best of my knowledge, I have never actually done anything to cause mapping of these drives. I think it's all done by Windows XP - or am I wrong. In addition to the two memory card slots on my HP OfficeJet, I also have a multi card reader attached via USB. Each of those show up as removable drives F:, G:, H: and I:, whereas the OfficeJet one shows up as 'memory card on HPxxxxxxxxxxxx Z:' (xxxxxxxxxxxx is the Ethernet address of the Officejet printer). I've never inserted a memory card into either slot in the OfficeJet, and I only actually power the printer up when I intend to do any printing; maybe that's related to my problem.
I sure would like to know for sure though, as I don't like things happening which can't be explained, in other words I don't like YYGTs.
TTFN