Ink jet printer and a method of computing conveyance amount...

Details Ink jet printer and a method of computing conveyance amount... Ink jet printer and a method of computing conveyance amount...

2008-02-08

2011-12-13

Luu, Matthew (Department: 2861)

Incremental printing of symbolic information

Ink jet

Controller

C347S016000

Reexamination Certificate

active

08075083

ABSTRACT:
A method of computing a conveyance variance from a difference of two adjustment patterns in order to measure a variance in a conveyance amount occurring while a sheet is conveyed. By using this method, the variance that occurs during one rotation of the roller occurring because of the roller accuracy, deflection of the roller, and the attachment of a roller supporting member can be alleviated. Thus, the unevenness occurring synchronously to one rotation of the roller can be alleviated, and as a result, an ink jet printer that is capable of printing with high quality can be provided.

REFERENCES:
patent: 6126345 (2000-10-01), Ito et al.
patent: 6198549 (2001-03-01), Decker et al.
patent: 6769759 (2004-08-01), Yamasaki
patent: 7093917 (2006-08-01), Yamada
patent: 2004/0066426 (2004-04-01), Yamada
patent: 2003-011344 (2003-01-01), None

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