Pagewidth ink jet printer including multiple pass defective nozz

Details Pagewidth ink jet printer including multiple pass defective nozz Pagewidth ink jet printer including multiple pass defective nozz

1998-01-08

2000-07-18

Stephens, Juanita

Incremental printing of symbolic information

Ink jet

Controller

349 14, 349 13, 349 23, 349 42, B41J 29393, B41J 2938, B41J 2165, B41J 2155

Patent

active

060896930

ABSTRACT:
A liquid ink printer, depositing ink drops to form an image, including a pagewidth printbar, movable to print a complete image when defective nozzles of the printbar are identified. A positioning device, coupled to the pagewidth printbar, positions the printbar at a plurality of discrete locations, to move a functioning nozzle to the location in the image where the defective nozzle should deposit drops of ink. Defective nozzles are identified by the printer control mechanism and a user is given the option to fix the image through a user interface where the printer is directed to fill in the missing information of the image. Defective nozzles can also be identified by printing a test pattern which identifies to a user which of the nozzles are non-functioning. The user then inputs this information to the printer.

REFERENCES:
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patent: 5627571 (1997-05-01), Anderson et al.
patent: 5798773 (1998-08-01), Hiramatsu et al.

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