How to disable color ink cartidges?

[rcirlin]

I want a printer that uses only black cartridges, i.e. for legal documents and such. much like the Laser models used in business offices during thr 1990s.

 

[Pyree]

http://www.pcmag.com/article2/0,2817,2349935,00.asp#fbid=yn1MSGzY22a