Technique for printing with different printer heads

Details Technique for printing with different printer heads Technique for printing with different printer heads

1997-05-15

2000-08-22

Coles, Edward L.

Facsimile and static presentation processing

Static presentation processing

Attribute control

358 18, 347 13, 347 47, G06F 1500

Patent

active

061081019

ABSTRACT:
A printing method is provided for use with a printer which reads and then outputs to a printer head a fixed number of bits at a time so as to permit the printer to use a printer head having a number of nozzles which is different than the fixed number of bits. According to this technique, bit data corresponding to an image band to be printed is obtained, the band including multiple pixel arrays, the pixels in each pixel array being arranged in a manner similar to the nozzles in a printer head. In a first loading step, bit data for m pixels of an i-th pixel array are loaded into a register in the printer head, m being a predetermined integer, and i being an arbitrary integer. In a second loading step, bit data for n pixels of an (i+1)-th pixel array are loaded into the register in the printer head, n being a predetermined integer. Finally, the printer head is caused to print an array of dots based on the contents of a register which includes the bit data loaded pursuant to the first and second loading steps, the printed array of dots corresponding to the i-th pixel array.

REFERENCES:
patent: 4872027 (1989-10-01), Buskirk et al.
patent: 5049904 (1991-09-01), Nakamura et al.
patent: 5355441 (1994-10-01), Kawai et al.
patent: 5600353 (1997-02-01), Hickman et al.
patent: 5606355 (1997-02-01), Komatsu
patent: 5854886 (1998-12-01), MacMillan et al.

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