Title:
【発明の名称】画像形成装置
Document Type and Number:
Japanese Patent JP3053915
Kind Code:
B2
Abstract:
PURPOSE:To decide a supplying time in accordance with each toner and to supply toner in an image forming device which forms a multi-color or full color image by using plural kinds of toner. CONSTITUTION:A CPU 67 is provided with a table showing the correspondence of a toner supplying time to a toner supplying amount for the toner of each color, and the output level of every picture element of the digital image signal of each color is counted so as to calculate the video counted number of each color. The video counted number of each color is transmitted to the CPU 67, and the supplying time, that is, the revolving speed of a screw 62 is decided from the toner supplying amount per image of one sheet corresponding to the video counted number of each color inputted by referring to the table. When one toner image is formed in the image forming station of each color, the screw 62 is rotated by the decided revolving speed to supply the toner of each color before forming the next toner image.
Inventors:
Masami Izumizaki
Application Number:
JP20214491A
Publication Date:
June 19, 2000
Filing Date:
July 18, 1991
Export Citation:
Assignee:
Canon Inc
International Classes:
G01N21/27; G03G15/00; G03G15/01; G03G15/08; H04N1/23; H04N1/29; (IPC1-7): G03G15/00; G03G15/01; G03G15/08
Domestic Patent References:
| JP623269A | ||||
| JP1200373A | ||||
| JP6243674A | ||||
| JP6263962A | ||||
| JP61129669A | ||||
| JP4170563A | ||||
| JP4250478A | ||||
| JP4254880A |
Attorney, Agent or Firm:
Akira Kurahashi