Digital BW, The Print

I'm a traditional darkroom printer, trying to get the hang of digital.

I've bought Colorvision's Spyder 2 and ProfilerPlus.

I've calibrated my monitor and created an ICC for Ilford Gallerie paper.

The problem I'm now having is using the ICC with grayscale printing.

I can use Photoshop to determine the colours (via Print Preview),
select the ICC and switch off Colour Management in the print driver. 
But it won't let me use grayscale.  I then get a slight colour cast
when I print.

Can anyone help me with eliminating the colour cast?  I suppose there
are two possibilities:

- printing grayscale with the ICC I've created; or

- may be there's a problem with either the monitor ICC or paper ICC or
both....

Incidentally, I'm using Photoshop on PC.

Thanks in advance
Gareth