Digital BW, The Print

The description of MIS's UT-3D inks says that on printers such as the  
Epson 2200, both glossy and matte papers can be printed without  
changing the pure-black cartridge. The Eboni cartridge remains in the  
black position (for use with matte papers), and glossy surfaces are  
handled by inks from other cartridges.

Can anyone direct me to instructions as to how this is done for  
glossy paper?

Straight profiling with ColorVision / Printfix Pro 2.0 is fine for  
matte papers (it seems... although I'm struggling with that, too),  
but it couldn't care less about Eboni vs. PhotoBlack.     What do I  
do (and where!) to turn off the Eboni cartridge and manipulate the  
others into giving me a deep black?

Thanks.

Myron

MacBook Pro (with WinXP running too, but not printing at the moment)
Epson 2200, UT3D
QTR
Printfix Pro 2.0
Profile Prism
CS3
...and all the other usual suspects