Digital BW, The Print

Having read Clayton's articles about B/O printing on the 2100/2200 I have
tried quite a few experiments and have to say I like the results I am
getting.  I have been using the Matte Black ink and get rather a warm tone.

I would like to try the MIS Eboni black which I understand is a bit more
neutral but I am a bit confused as to which cartridge to order.  The
reference to Ebony black on the MIS web site is Light Black Position - Eboni
Matte Black 100% ARC-T0347-QUT - $10.95 but surly I need one for the Black
position?

Could someone/Clayton please give me the exact order number.  Thanks.

Martin