Ink-jet printing apparatus and recovery treatment method...

Details Ink-jet printing apparatus and recovery treatment method... Ink-jet printing apparatus and recovery treatment method...

2006-04-04

2006-04-04

Nguyen, Thinh (Department: 2861)

Incremental printing of symbolic information

Ink jet

Controller

C347S084000

Reexamination Certificate

active

07021731

ABSTRACT:
An ink-jet printing apparatus according to the present invention has a main tank storing ink, a sub-tank releasably connectable with the main tank through an ink supply passage and a printing head for ejecting ink supplied from the sub-tank, for performing printing by ejecting ink from the printing head to a printing medium. The apparatus includes an ink supply controller for supplying ink from the main tank to the sub-tank through the ink supply passage during a period after completion of printing at a preceding time and before starting printing at a next time, and an ink draining controller for performing ink draining of at least a part of ink remaining in the sub-tank during the period after completion of printing at the preceding time and before starting printing at the next time and in advance of ink supply by the ink supply controller.

REFERENCES:
patent: 3891121 (1975-06-01), Stoneburner
patent: 4007684 (1977-02-01), Takano et al.
patent: 4714931 (1987-12-01), Erskine et al.
patent: 6398351 (2002-06-01), Blum et al.
patent: 6471345 (2002-10-01), Yoshino et al.
patent: 6536885 (2003-03-01), Kuribayashi et al.
patent: 2002/0063759 (2002-05-01), Hirano et al.
patent: 2000-334982 (2000-12-01), None

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