CPC B41J 2/17546 (2013.01) [B29C 64/259 (2017.08); B41J 2/17566 (2013.01); B41J 2/17596 (2013.01); B33Y 30/00 (2014.12); B41J 2002/17573 (2013.01)] | 23 Claims |
1. A system to fill or drain a reservoir in a printer, comprising:
a controller to set a unit to a total capacity of a container divided by an integer greater than 1;
a container sensor to sense the container connected to the printer; and
a pump to pump, in set unit increments, at least one unit of a printing agent from the container to the reservoir or from the reservoir to the container.
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