Digital BW, The Print

I'm running VM with a CFS on an 1160. I recently installed the new 
MIS Eboni ink with a new cartridge. No problems at all for the first 
8 or so prints. Today, some 4 or 5 days after last printing, I tried 
to print. Started with a nozzle check -- perfect. When I started to 
printed, however, I noticed about halfway through that terrible 
banding was beginning to take place, as well as some small blotches 
and pools of ink on the print. I stopped the printing and ran a 
nozzle check. It looked pretty bad. I then ran a cleaning cycle -- no 
help. I ran two more, still the same. Looking at the nozzle check, I 
see that it is not always the same lines that are missing. It almost 
seems random. What I'd be interested in learning is whether ink 
pooling/blotching can occur with a foam problem or air-in-the-
cartridge problems, or is it a sign of something else. BTW I ran 
several purges -- no help. Also, I would get a good nozzle check and 
then that would be followed by bad one, almost seeming random. 
Perhaps I should follow Robert Morrison's advice to someone else and 
just not use the printer for a few days? Any help would be 
appreciated.

Chris Hargens