摘要 |
Provided is a printing apparatus, including a sensor unit which optically detects, at a measurement position, a surface of a sheet, for measuring a moving state of the sheet. The sensor unit measures the moving state of the sheet when the sheet is located at the measurement position, and measures a moving state of a surface of the rotary member when the sheet is not located at the measurement position.
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申请人 |
CANON KABUSHIKI KAISHA |
发明人 |
SAITO, HIROYUKI;UCHIDA, HARUO;SHIGENO, KENJI;AOKI, NORIYUKI;KAWAKAMI, KAZUHISA;KANOME, YUJI;YAMAMOTO, KOSUKE;TSUKUDA, MASAKAZU;SUZUKI, YOSHIAKI |