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Title:
画像形成装置および画像形成装置の制御方法
Document Type and Number:
Japanese Patent JP7367452
Kind Code:
B2
Abstract:
To provide an image forming apparatus that prevents erroneous detection of an abnormality in the concentration of toner with a simple method.SOLUTION: An image forming apparatus comprises: an image carrier on which an electrostatic latent image is formed; a developing device that develops the electrostatic latent image on the image carrier into a toner image; a toner concentration detection unit that detects the concentration of toner in a developer in the developing device; a flowing unit that causes the developer in the developing device to flow; a stop period acquisition unit that acquires a stop period during which the flowing unit is stopped; and a toner concentration abnormality determination unit that determines whether the concentration of toner detected by the toner concentration detection unit falls within a predetermined range according to the length of the stop period acquired by the stop period acquisition unit.SELECTED DRAWING: Figure 4

Inventors:
▲高▼橋 道雄
Application Number:
JP2019190181A
Publication Date:
October 24, 2023
Filing Date:
October 17, 2019
Export Citation:
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Assignee:
Konica Minolta, Inc.
International Classes:
G03G15/08; G03G21/00; G03G21/20
Domestic Patent References:
JP11015255A
JP2015230409A
JP7056432A
JP2012073390A
Attorney, Agent or Firm:
Patent Attorney Fukami Patent Office