Printer with fast line-feed speed

Details Printer with fast line-feed speed Printer with fast line-feed speed

2005-08-09

2005-08-09

Meier, Stephen D. (Department: 2853)

Incremental printing of symbolic information

Ink jet

Controller

C347S041000, C347S043000

Reexamination Certificate

active

06926381

ABSTRACT:
Feeding a recording medium through a printer for printing images on the recording medium by actuating a line feeding motor in predetermined stepped increments, feeding the recording medium through the printer by a line feeding device driven by the line feeding motor, printing a image on the recording medium by a print head scanning across the recording medium and ejecting ink from nozzles, the print head having j nozzles spaced at a predetermined pixel resolution that is less than a pixel resolution printed by the printer, j being an integer number, controlling the actuating step to actuate the line feed motor in stepped increments, and controlling the j nozzles utilized in printing the image. For each stepped increment of the line feed motor, the line feeding device feeds the recording medium (m×1
) pixels of the print head pixel resolution, where m and n are integer numbers and m is greater than n. The j nozzles that print in any one scan of the print head are controlled based on the number of increments of the line feed motor. Additionally, a print driver calculates a line skip amount and a buffer offset amount, and adjusts a starting position for storing of the image data in a print buffer in a case where a first line of image data to be stored in the print buffer is white data.

REFERENCES:
patent: 4510506 (1985-04-01), Moriguchi et al.
patent: 5926192 (1999-07-01), Yamane
patent: 6564310 (2003-05-01), Nakata et al.
patent: 2002/0109746 (2002-08-01), Murakami et al.
patent: 0 679 518 (1995-11-01), None
patent: 0 760 289 (1997-03-01), None
patent: 0 935 213 (1999-08-01), None
patent: 0 967 791 (1999-12-01), None
patent: 0 940 975 (2001-12-01), None

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