Printing apparatus and conveying control method

Details Printing apparatus and conveying control method Printing apparatus and conveying control method

2008-04-04

2011-12-20

Le, Uyen Chau N (Department: 2874)

Incremental printing of symbolic information

Ink jet

Controller

C347S004000, C347S104000

Reexamination Certificate

active

08079659

ABSTRACT:
Provided are a printing apparatus and a conveying-error controlling method capable of printing a high-quality image by correction reflecting the conveying amount of a printing medium. A provided inkjet printing apparatus prints images by printing scans for actual printing and by conveying the printing medium with a roller orthogonally to the printing-scan direction. In each printing scan, the printing medium is scanned with a print head having an array of nozzles from which the ink is ejected. The print head moving direction differs from the arranging direction of the nozzles in the array. The apparatus includes a conveying controller to control the conveying of the printing medium on the basis of a correction value used to correct a conveying error of the roller. The conveying controller changes the correction value to be applied in accordance with the conveying amount of the printing medium between two scans with the print head.

REFERENCES:
patent: 6568784 (2003-05-01), Izumi et al.
patent: 2004/0061767 (2004-04-01), Yamada
patent: 2004/0165023 (2004-08-01), Kang et al.
patent: 2006/0197785 (2006-09-01), Uchida
patent: 1496854 (2004-05-01), None
patent: 1521001 (2004-08-01), None
patent: 2006-240055 (2006-09-01), None
patent: 2006-272957 (2006-10-01), None

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