Title:
液体吐出装置
Document Type and Number:
Japanese Patent JP7269001
Kind Code:
B2
Abstract:
To reduce density unevenness generated in a boundary between recording elements.SOLUTION: A liquid discharge head includes a plurality of recording elements 15 which are provided for each discharge port and discharge liquid from the discharge ports. The plurality of recording elements 15 are equally divided into a first recording element array 21 and a second recording element array 22 and driving current is supplied for each recording element array. The first recording element array 21 is divided into a plurality of groups 16a-0 to 16a-2 while the second recording element array 22 is divided into a plurality of groups 16b-0 to 16b-2. A driving section 31 drives the groups 16a-0 to 16a-2 in parallel and drives the recording elements in the same group in a prescribed order. A driving section 32 drives the groups 16b-0 to 16b-2 in parallel and drives the recording elements in the same group in a prescribed order. The group driven first and the group driven last are not adjacent to each other in a boundary between the first recording element array 21 and the second recording element array 22.SELECTED DRAWING: Figure 4
Inventors:
Takuma Kodoi
Nobuo Ito
Nobuo Ito
Application Number:
JP2018243088A
Publication Date:
May 08, 2023
Filing Date:
December 26, 2018
Export Citation:
Assignee:
Canon Inc
International Classes:
B41J2/01
Domestic Patent References:
| JP10146977A | ||||
| JP2008296506A | ||||
| JP200171466A |
Foreign References:
| US20160059548 |
Attorney, Agent or Firm:
Akio Miyazaki
Masaaki Ogata
Masaaki Ogata
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