Invention Grant
- Patent Title: Printing apparatus and control method thereof
-
Application No.: US16825780Application Date: 2020-03-20
-
Publication No.: US11247489B2Publication Date: 2022-02-15
- Inventor: Kazuhiro Watanabe , Keita Takatani , Takeshi Nakata
- Applicant: CANON KABUSHIKI KAISHA
- Applicant Address: JP Tokyo
- Assignee: CANON KABUSHIKI KAISHA
- Current Assignee: CANON KABUSHIKI KAISHA
- Current Assignee Address: JP Tokyo
- Agency: Venable LLP
- Priority: JPJP2019-068566 20190329
- Main IPC: B41J3/46
- IPC: B41J3/46 ; B41J2/175 ; B41J29/13 ; B41J29/02

Abstract:
A printing apparatus includes at least a tank configured to hold a first printing material at a first position and a tank configured to hold a second printing material at a second position different from the first position. A light emitting control unit controls light emitting states of a plurality of light emitters. If an amount of the printing material in the first tank is less than a predetermined amount, and an amount of the printing material in the second tank is greater than a predetermined amount, the light emitting control unit transits a state of a first light emitter from a state indicating that the amount of the printing material is greater than the predetermined amount to a state indicating that the amount of the printing material is less than the predetermined amount, and maintains a state of a second light emitter.
Public/Granted literature
- US11203210B2 Printing apparatus and control method thereof Public/Granted day:2021-12-21
Information query
IPC分类: