Back-pressure and impedance tester for ink jet cartridges

Details Back-pressure and impedance tester for ink jet cartridges Back-pressure and impedance tester for ink jet cartridges

2006-11-28

2006-11-28

Vo, Anh T. N. (Department: 2861)

Incremental printing of symbolic information

Ink jet

Controller

C347S092000

Reexamination Certificate

active

07140714

ABSTRACT:
A flow resistance measuring or black-pressure tester is provided for ink cartridges. A syringe pump extracts fluid at a desired flow rate from an outlet port of an ink cartridge. An ink removal device allows a user to selectively purge air from the system to improve the accuracy of the meassurements. A variety of flow rates are measured to collect as benchmark data and allow new designs to be similarly sized, specified, and materials and pathways selected to control fluid delivery in replacement ink cartridges.

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