Title:
【発明の名称】画像形成装置
Document Type and Number:
Japanese Patent JP2606861
Kind Code:
B2
Abstract:
PURPOSE:To check the deviation of an image caused by the change of temperature and to prevent the deterioration of the image by making the coefficient of linear expansion of a 2nd supporting means for supporting the respective output parts of an optical exposure means on positions corresponding to plural photosensitive bodies larger than the coefficient of linear expansion of a 1st supporting means for the respective photosensitive bodies on the respective different positions. CONSTITUTION:In an image forming device in which the plural photosensitive bodies 14bK, 14y, 14m and 14c supported on the respective different positions by the 1st supporting means 11a and 11b are uniformly electrified and exposed with optical image signals outputted from the respective output parts of optical exposure means 1 and 2 whose output parts 6bK3, 6y3, 6m3 and 6c3, at least, are supported on the positions corresponding to the respective photosensitive bodies 14 by the 2nd supporting means 13, then developing is performed to superpose and transfer the images on a recording medium, the 2nd supporting means 13 is used, whose coefficient of linear expansion is larger than that of the 1st supporting means 11a and 11b. Thus, the deviation of the image caused by the change of temperature can be checked and the deterioration of the image can be prevented when plural images are superposed to be transferred on the recording medium.
Inventors:
Yoshio Kaneko
Application Number:
JP32871387A
Publication Date:
May 07, 1997
Filing Date:
December 25, 1987
Export Citation:
Assignee:
株式会社リコー
International Classes:
G03G15/01; G03G15/00; (IPC1-7): G03G15/01; G03G15/00
Domestic Patent References:
| JP62205372A |
Attorney, Agent or Firm:
Nobuoki Sugi