Title:
画像形成装置
Document Type and Number:
Japanese Patent JP7037737
Kind Code:
B2
Abstract:
An image forming apparatus includes a latent image bearer, a latent image writing device, a developing device, a conveyance unit to convey a recording medium, a transfer device, a length data acquisition unit to obtain a length of the recording medium in a conveyance direction of the recording medium, an image forming processor to form a test pattern, and a light quantity correction calculator that acquires image density data of the test pattern and calculates a light quantity correction value to correct a light quantity. The image forming processor sets a position of the test pattern on the recording medium in the conveyance direction of the recording medium and a length of the test pattern in the conveyance direction of the recording medium based on the length of the recording medium in the conveyance direction of the recording medium obtained by the length data acquisition unit.
Inventors:
Narita Susumu
Shinobu Sakagami
Ordinance Sato
Koichi Murota
Suzuki Masashi
Takuma Nishio
Hiroaki Nishina
Shinobu Sakagami
Ordinance Sato
Koichi Murota
Suzuki Masashi
Takuma Nishio
Hiroaki Nishina
Application Number:
JP2017116141A
Publication Date:
March 17, 2022
Filing Date:
June 13, 2017
Export Citation:
Assignee:
株式会社リコー
International Classes:
B41J2/447; B41J2/45; B41J29/393; G03G15/00; G03G15/043
Domestic Patent References:
| JP2015174442A | ||||
| JP2013044990A | ||||
| JP2013121152A | ||||
| JP2013242425A | ||||
| JP2015169905A | ||||
| JP2015001659A | ||||
| JP2016090771A | ||||
| JP2015051584A |
Foreign References:
| US20130259510 |
Attorney, Agent or Firm:
Kuroda Toshi
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