Digital BW, The Print

a. I am havng trouble  reading clayton jones' article on ps cs on an
epson 2200
when I open an bw image  it often asks me what working space i want to
be in

 when I  go front end   I go to ps  image/mode/grayscale I dicard
color as asked  i then go to  edit and assign profile  I get three options
1. dont color manage
2. working gray dot 20%  and 
3. profile  with a pull down window   with option for 15 dot 20 etc as
well as gray gamma  1.8 2.2

 I dont sdee these option in  his article
 I think I am ok whne I go to  printe with preview and selct dont
color mamage
  any help with  which  choice of the three option I get?
  b.   I am not getting the detaiul in the shadow  oin my b/o pronts
that I am seeing on the screen  is that normal?  I am printing   dot 20
Jerry