Digital BW, The Print

I assume these are the cleaning carts you use to flush the black ink line when 
you switch from one black to another.

--- In DigitalBlackandWhiteThePrint@yahoogroups.com, Steve Kale <
stevekale@b...> wrote:
> Does anyone know what this means:
> 
> " Ink conversion cartridges required for ink change between Matte K and
> Photo K are delivered with the unit"
> 
> What are ink conversion cartridges?