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Patent Searching and Data


Title:
印刷装置
Document Type and Number:
Japanese Patent JP7413882
Kind Code:
B2
Abstract:
A printing apparatus includes a rotary shaft configured to rotate while holding a roll body of a printing medium, a first motor configured to rotate the rotary shaft, a roller pair configured to transport the printing medium downstream by rotating in a state of pinching the printing medium, a second motor configured to rotate the roller pair, a first sensor configured to detect a tip end or a feature of the printing medium, a second sensor configured to detect the tip end or feature of the printing medium, and an outer diameter calculating unit configured to calculate an outer diameter of the roll body based on detection by the first sensor and detection by the second sensor, wherein the outer diameter calculating unit calculates an outer diameter of the roll body before the tip end of the printing medium is pinched by the roller pair.

Inventors:
Takanori Fukuzawa
Kenichi Kiryu
Application Number:
JP2020056695A
Publication Date:
January 16, 2024
Filing Date:
March 26, 2020
Export Citation:
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Assignee:
Seiko Epson Corporation
International Classes:
B65H43/08; B41J2/01; B41J11/42; B41J15/04; B41J29/38
Domestic Patent References:
JP2013199380A
JP2014172380A
Attorney, Agent or Firm:
Toshiyuki Yokoi