Digital BW, The Print

Guy,
 
>... E2200 using UT7 inks on a Mac... MIS PK in the K slot, 
>and MIS LC in the yellow position.

>When I print using no curves(i.e. - 16 bit grayscale file; 
>printer space "same as source"), the prints essentially match 
>what I'm seeing on screen; not bad, in fact pretty sweet. 

>However, when I try to use Paul's curves(switching first to 
>48bit RGB,

48 bit may be overkill.  24 bit works fine.

> creating a new curves layer and then loading the appropriate 
>curve, and finally printing),

The layer must be the top one.

> the prints emerge looking extremely low in contrast 
>as if the black jets aren't firing.

The dmax ought to be the same whether curves are used or not.

Be sure the driver "Color Management" section is set to "No Color
Adjustment."

I'm not sure what else to suggest.

Paul
www.PaulRoark.com