Liquid injection apparatus with residual ink quantity detecting

Details Liquid injection apparatus with residual ink quantity detecting Liquid injection apparatus with residual ink quantity detecting

1990-12-05

1992-08-04

Hartary, Joseph W.

Recorders

Markers and/or driving means therefor

With ink supply to marker

73723, 25023119, 340618, B41J 2175

Patent

active

051363097

ABSTRACT:
A residual ink quantity detecting apparatus for detecting a residual quantity of ink in a supply source of ink for supplying ink to an ink-jet printer comprises a deviation member, which is connected to an ink supply path extending from the supply source, constitutes part of the path and can be deviated upon change in pressure in the path, an adjusting member for adjusting a deviation of the deviation member in order to set a pressure at which the deviation member is deviated and a detection unit for detecting the deviation of said deviation member.

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