The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 16, 2015
Filed:
Jul. 27, 2012
Ichimi Masuda, Shiojiri, JP;
Masayuki Nakagawa, Suwa, JP;
Ichimi Masuda, Shiojiri, JP;
Masayuki Nakagawa, Suwa, JP;
Seiko Epson Corporation, Tokyo, JP;
Abstract
A control method that conveys a recording medium fed from a first conveyance unit a specific number of paper feed steps after the leading end is detected by a first detection unit, and stops conveyance after conveying the leading end of the recording medium passed the second conveyance unit, second detection unit, and print unit to an initial printing position has a reference distance acquisition step that gets a reference number of conveyance steps equal to the distance between the second detection unit and the initial printing position in the specific number of conveyance steps; an actual step count measurement step that measures an actual number of steps the recording medium is conveyed during actual conveyance from detection of the leading end by the second detection unit until conveyance stops; and an evaluation step that determines if paper feed error occurred when conveying the recording medium.