Importance

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Abstract

The invention provides for an ink storage module for a printer cartridge having a number of ink storage modules. Each cartridge module operatively stores a different colored ink for delivery to a printhead of the printer. The module includes upper and lower plate members having an ink bag located between the plate members to define an ink volume, said plate members displaceable towards and away from each other. The module also includes a bag constrictor assembly engaged with said plate members and configured to act on the bag when the plate members are displaced towards each other to reduce the ink volume, as well as a lid engaged with the plate members and bag constrictor assembly, the lid having at least one port in fluid communication with the bag, to deliver ink to a printhead or to facilitate refilling said bag with ink. The module further includes a valve insert located between the lid and the bag, with the insert having an inlet valve and an outlet valve arranged in fluid communication with respective ports in the lid. The inlet valve facilitates refilling of the bag with ink, and the outlet valve facilitates ink delivery to the printhead.

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First Claim