Liquid level detector for ink jet printer

Details Liquid level detector for ink jet printer Liquid level detector for ink jet printer

1985-07-03

1986-12-02

Hartary, Joseph W.

Recorders

Markers and/or driving means therefor

With ink supply to marker

73304R, 137392, G01D 1800

Patent

active

046268740

ABSTRACT:
An ink level detector for use with an ink jet printer includes two electrodes for sensing changes in ink level inside an ink reservoir due to consumption. Fresh ink is supplied to the reservoir from an ink cartridge which is mounted in an upper wall of the reservoir. At least one of the two electrodes is positioned adjacent to a location where the cartridge is mounted to the upper wall of the reservoir.

REFERENCES:
patent: 3835881 (1974-09-01), Dal
patent: 4202267 (1980-05-01), Heinzl

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