Title:
【発明の名称】画像形成装置
Document Type and Number:
Japanese Patent JP3019355
Kind Code:
B2
Abstract:
An image forming apparatus includes a corona charger, a surface electrometer and a memory provided around a photoreceptor drum. When power supply of the image forming apparatus is turned on, an image adjusting process is carried out. In the image adjusting process, level of charging the corona charger is changed stepwise, the surface potential on the photoreceptor drum at the time is measured by the surface electrometer and the result of measurement is stored in the memory. When image forming process is carried out subsequently, the charge level of the corona charger is set based on the data stored in the memory.
Inventors:
Tadafumi Shimizu
Masahide Ueda
Shinichiro Tabuchi
Masahide Ueda
Shinichiro Tabuchi
Application Number:
JP6857990A
Publication Date:
March 13, 2000
Filing Date:
March 19, 1990
Export Citation:
Assignee:
Minolta Co., Ltd.
International Classes:
G03G15/00; G03G15/02; G03G15/06; G03G21/00; (IPC1-7): G03G15/00; G03G15/02; G03G15/04; G03G15/043; G03G15/06; G03G15/08
Domestic Patent References:
| JP62283356A | ||||
| JP5872165A | ||||
| JP56156842A | ||||
| JP1231068A | ||||
| JP252368A | ||||
| JP5517174A |
Attorney, Agent or Firm:
Yukio Kubo