Ink jet recording apparatus, ink container, and ink cartridge

Details Ink jet recording apparatus, ink container, and ink cartridge Ink jet recording apparatus, ink container, and ink cartridge

2005-08-16

2005-08-16

Pham, Hai (Department: 2861)

Incremental printing of symbolic information

Ink jet

Controller

Reexamination Certificate

active

06929341

ABSTRACT:
In the ink jet recording apparatus using an on-demand supply system, an image natural and stable in color tone is output. For this purpose, when a capacity of a sub-tank is represented by A, an amount of residual ink remaining after the ink has been discharged is represented by “a”, a ratio by weight of a volatile component in a composition of ink used is represented by B and a ratio of a colorant concentration of ink at saturated state made by repeating ink supply and ink discharge, to an initial colorant concentration of the ink is represented by R, they are satisfying an equation of A/(A−a×B)=R≦1.20.

REFERENCES:
patent: 4926196 (1990-05-01), Mizoguchi et al.
patent: 6786588 (2004-09-01), Koyano et al.
patent: 2002/0063759 (2002-05-01), Hirano et al.
patent: 2000-334982 (2000-12-01), None

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