Incremental printing of symbolic information – Ink jet – Ejector mechanism
Patent
1995-06-08
1997-01-28
Fuller, Benjamin R.
Incremental printing of symbolic information
Ink jet
Ejector mechanism
347 40, B41J 2145, B41J 215, B41J 221
Patent
active
055981925
ABSTRACT:
An ink jet printer includes a printhead having a plurality of segments each having ink ejecting nozzles, each segment supplied with ink of a different characteristic. Means are provided for moving the printhead in a direction transverse to the advancing movement of a recording medium. Means are further provided for moving the printhead between two or more positions along the recording medium advance direction. Thus, the printhead can print a swath of ink of a first characteristic from one segment and then be moved to print a second swath from a second segment with ink of a second characteristic. In one embodiment, a printhead has two segments, one printing in black, and the other in color. A shift mechanism is enabled to move the printhead between a black print position and a color print position. The invention contemplates alternate color printing swaths at alternate printing positions along the same printing swath, or a combination thereof.
REFERENCES:
patent: 4463359 (1984-07-01), Ayata et al.
patent: 4774529 (1988-09-01), Paranjpe et al.
patent: 4908638 (1990-03-01), Albosta et al.
patent: 5371531 (1994-12-01), Rezanka et al.
Burger William R.
Kneezel Gary A.
Moore Steven R.
Fuller Benjamin R.
Nguyen Thinh
Xerox Corporation
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