Inkjet printing apparatus and printing method

Details Inkjet printing apparatus and printing method Inkjet printing apparatus and printing method

2011-07-19

2011-07-19

Rahll, Jerry T (Department: 2874)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

Reexamination Certificate

active

07980672

ABSTRACT:
To achieve high-quality printing by controlling an ink-traveling direction by an electrostatic force so that the ink can be accurately applied on a printing medium, the ink ejected to areas outside edges of the printing medium is prevented from being attracted to the end portions in margin-less printing. This configuration includes: a platen, made of a conductive material, positioned immediately below the printing medium; an absorber positioned at a side of the edge; and a mesh conductive member disposed on the absorber. A first voltage is applied to the platen, causing polarization in the printing medium, and a second voltage higher than the first voltage is applied to the conductive member. Thereby, ink ejected outside the edges in the margin-less printing, travels straight-forwardly toward the conductive member without being attracted to the end portions, and is absorbed into the absorber via the conductive member.

REFERENCES:
patent: 5646659 (1997-07-01), Moriyama et al.
patent: 5898446 (1999-04-01), Moriyama
patent: 5997133 (1999-12-01), Takemoto et al.
patent: 6935737 (2005-08-01), Kanome et al.
patent: 5-124187 (1993-05-01), None

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