Ink jet printer with selective nozzle priming and cleaning

Details Ink jet printer with selective nozzle priming and cleaning Ink jet printer with selective nozzle priming and cleaning

1992-10-02

1994-11-22

Fuller, Benjamin R.

Incremental printing of symbolic information

Ink jet

Ejector mechanism

B41J 2165

Patent

active

053673263

ABSTRACT:
A pagewidth ink jet printer has a fixed, pagewidth printhead with a linear array of nozzles extending along its length and a movable cleaning and priming station adapted for movement parallel to and along the array of printhead nozzles. The cleaning and priming station has a vacuum conduit connected to a vacuum source and has an open end which confronts at least one nozzle at the nozzle array. The array of nozzles reside in a planar printhead nozzle face which has a ledge spaced from and parallel to the linear array of nozzles. The ledge extends from one edge of the nozzle face, and has a planar surface parallel to the nozzle face and a predetermined distance therefrom. The cleaning and priming station is slidingly moved in contact with the ledge surface, so that the vacuum conduit open end is maintained fixed distance from the nozzle face. The station may be moved to selected nozzles and the vacuum from the vacuum source may be varied for cleaning or priming.

REFERENCES:
patent: Re32572 (1988-01-01), Hawkins et al.
patent: 4463359 (1984-07-01), Ayata et al.
patent: 4774530 (1988-09-01), Hawkins
patent: 4829324 (1989-05-01), Drake et al.
patent: 4878992 (1989-11-01), Campanelli
patent: 4947191 (1990-08-01), Nozawa et al.
patent: 5055856 (1991-10-01), Tomii et al.
patent: 5055861 (1991-10-01), Murayama et al.
patent: 5057853 (1991-10-01), Fisher
patent: 5068006 (1991-11-01), Fisher

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