Bleed avoiding, color ink jet printing

Details Bleed avoiding, color ink jet printing Bleed avoiding, color ink jet printing

1995-11-21

2000-01-18

Le, N.

Incremental printing of symbolic information

Ink jet

Ejector mechanism

347 5, 395109, B41J 221

Patent

active

060152060

ABSTRACT:
In an ink jet printer, bleed between the boundaries between color and black are avoided by printing process black and black ink in an alternating pattern for the first two dots. Logic (62) determines the boundary from a bit map and issues the control signals for alternating lines (66, 68). Best results are experienced when the process black is printed before the black ink as the vehicle of the colored inks apparently supports penetration of the black ink.

REFERENCES:
patent: 4614967 (1986-09-01), Sayanagi
patent: 4682216 (1987-07-01), Sasaki et al.
patent: 4748453 (1988-05-01), Lin et al.
patent: 5012257 (1991-04-01), Lowe et al.
patent: 5057852 (1991-10-01), Formica et al.
patent: 5168552 (1992-12-01), Vaughn et al.
patent: 5220342 (1993-06-01), Moriyama
patent: 5771054 (1998-06-01), Dudek et al.

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