Digital BW, The Print

The matte black which does not come with the printer but can be
purchased separately goes into the photo black spot.  Each cartridge is
chipped so the computer can tell which ink is in the printer as well as
give you remaining ink data.

Eileen

JR Velasco wrote:
> 
> Well, yes, thank you. I thought that in order to use the light black
> instead of the photo black I had to swap them, that's to say, to
> interchange their positions in the tray. Obviously, I have here a
> linguistic problem. Maybe you can tell me, then, how to use
> exclusively the matte black... :-)