Digital BW, The Print

HI,
I know you are mostly all working with high end printers, but I am working 
with a HP940C, and I am hoping there is someone else out there with one of 
them, and some suggestions for nicer B&W prints.  The color prints (if kept 
below 4x6) are really fine.  Without a loop, I could never tell them from 
lab prints.  As the prints get larger so do the dots. I want to do some 
8x10 BW prints and I need some suggestions.
Thanks!!!
-Angi 

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