Digital BW, The Print

Hello, I'm new to the group and digital BW. I am reasonably 
proficient with CS2 and colour output from my R800.I am so far 
unsuccessful printing a full range to near black in any 
print,including as part of step wedges. I suspect that I may also 
have wrong options selected in CS2. The colour management setup I 
normally use for colour print with R800 is unsuitable and I need 
some unlearning.
The hardware is
Epson 890 with UT2 ink set including photoblack.
Paper is Epson Premium Glossy. When I print a 21 step wedge there is 
missing ink  in the 100% block (0 value)(banded and light). The 
print in general of the wedge is  a little lighter and inferior to 
color output version from my R800.The only full size print that was 
normally toned had apparently all of the (K99%)pure black absent, 
showing an abrupt area of light grey where near black should be in 
the print. I chose a file with very good tonal range to test.
It appears as though the photo black ctg may not be used??? or 
working properly

I have tried Quadtone RIP, slider method and curves, all with too 
light and also black deficient results.
Printer monitor shows cartridges full, I have tried reseating them, 
nozzle check shows six unbroken 4 line staggered strips.

Any suggestions will be most welcome. Also, would someone mind 
summarising CS2 settings UT2 printing (sliders and curves methods if 
possible) I must be making mistakes in there too.

File>print with preview>print document (profile: Untagged grey
color handling> No color management (also tried let printer 
determine)
Print>name 890>properties> media type PGPP>color Mode 
Custom>advanced  color controls Gamma 1.8 (and tried 2.2)
Mode>Vivid Photo 1440dpi
Brightness +10, contrast -3, C+7, M-7,
I'm sure this  set up must be capable of great results, must be 
operator error
thanks in advance
Hoppy