Digital BW, The Print

>I'm also very curious to see how they pressurize the bigger
carts: 
>An internal bladder, an external pump metering air into the
cart, a 
>simple mechanical solution such as a springy plastic panel
pushing 
>against the ink bag?  How they do this could affect third party 
>suppliers as much as cloning the inks, at least initially.

It will have to be something that provides constant pressure
so that leaves out compressed air or gas. It would have to be
a spring or external pump.

Regards, Walt

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