Howard I have the picture now. I have a soft spot for printing this was why I started thinking over your post, a lot has happened since I spent lots of time on sorting out some hp inkjet odd problems, I was hoping this was not a resurgence. I am not really conversant with LXDE and that is why I got in trouble here.

1.. When you use/run LXDE CD it is best referred to as "using or running the LiveCD" . This CD is made by burning the LXDE ISO file you downloaded at some stage.
2.. Now many people also run the ISO directly without the CD, ie in some smart way the ISO file is used to run LXDE in the same manner as when started from a CD, but without using a CD

There are a number of ways to do this but Just18 have been active and produced a script/program when this is run, on for example with LXDE iso file as input, it will set up a Linux system on a partition on a hard disk, that will behave exactly like the LiveCD. Search Forum and you will find it, I think it is called Poor Mans Install, well until we started calling it LiveHDD.
3.. Back to your situation. LXDE uses Gutenprint for it general print install, this is different to what KDE and MiniMe does, Gutenprint is an option for us KDE/MiniMe users. This was the part I had forgotten. I do have a copy of LXDE installed but made the mistake of not checking up front on this, I should have when I saw you mention Gutenprint. I thought you were a crash hot printer expert that had specifically chosen Gutenprint for the extra refinements that this can give.
Put it another way, LXDE use Gutenprint as its base printing option, there is nothing wrong with that. In a way I am quite interested to look at that but I am a bit concerned about the time it might take me. This was why I said I was bailing out and referred you back to the LXDE section.
4.. The Gutenprint is the same for me and you from the repos, again the difference is you are lumbered with it from the start for us it is an option as well to be added to whatever we are already using.
Back to your problem:
When you run up the LiveCD and before you install to hard disk, what is your printing like? Does it fail here as well? If you are quite familiar with LXDE I am reluctant to suggest to try 'one of the others' as this may bring it own set of problems. Have you raised the problem in the LXDE section already?
I wish you speedy recovery from your operation, I sincerely hope you will be able to enjoy your renovation.
Edit:Ok, I have just found a few of your previous posts on the matter. I see you have been to the LXDE section.
How much time are you prepared to put into solving the problem? Is LXDE your main attraction or would KDE or MiniMe be just as acceptable? Then a quick check with fx MiniMe LiveCD could be advantageous.