Digital BW, The Print

Thanks for the replies. New cartridge installed, and one step further 
up on the steep learning curve of producing digital negatives
Cheers
John
-- In DigitalBlackandWhiteThePrint@yahoogroups.com, "john794552" 
<jwillyfontana@...> wrote:
>
> I am needing to change from matt black to photo black ink cartridges 
> on my R2400, in order to try printing some digital negatives.
> My query is whether I can just swop them back when I need matt black 
> again? Do I need to somehow seal up the matt black cartridge while 
it 
> is out of the printer, or does it seal itself? I assume they must be 
> interchangeable as required, and not to be ditched once removed.
> Many thanks
> John Fontana
>