Digital BW, The Print

>>... The LM seems to be the worst culprit (FWIW, it was also LM 
>> that would never clear in a prior 1280). ...
> 

>... your experience is very interesting as I find that LM 
> has been the offender for me as well ...

Have you noticed what I use in the 4K & 5K+ inksets?
http://home1.gte.net/res09aij/4K+.pdf 

> ... if the little rubber stopper for the fill hole does
> not form a perfect seal, ...

I have not seen one that did not seal, but I think the ink might run through
your system.

Paul
www.PaulRoark.com