One of the parameters of the IDS very valuable for our customers is having autonomy when
the supply gets empty. On this search of the optimal solution, an intermediate tank is usually
used, due to its cost. Another way of increasing the autonomy of the system when having an
out of ink event is having another IDS (having then two supplies) so you can consume ink from
the other one when having an out of ink event. However, this architecture is much more
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INC, HP, "PASSIVE SELECTOR VALVE FOR DUAL SUPPLY IDS", Technical Disclosure Commons, (May 07, 2021)