Ink-jet recording apparatus

Incremental printing of symbolic information – Ink jet – Fluid or fluid source handling means

Reexamination Certificate

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Reexamination Certificate

active

07654656

ABSTRACT:
A switching unit is provided near a tube for connecting an atmosphere communicating section of an ink cartridge to a charge tank. This switching unit comprises: a base; and a pressing mechanism arranged inside the base and capable of individually pressing tubes, so that the switching unit can apply the pressure from the charge tank and the tube pump selectively onto a plurality of the ink cartridges.

REFERENCES:
patent: 5933172 (1999-08-01), Park et al.
patent: 6050670 (2000-04-01), Tooyama et al.
patent: 6206511 (2001-03-01), Cook et al.
patent: 6705712 (2004-03-01), Usui et al.
patent: 6824241 (2004-11-01), Sonnichsen et al.
patent: 7370949 (2008-05-01), Shiho et al.
patent: 2004 9442 (2004-01-01), None

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