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Patent Searching and Data


Title:
IMAGE FORMATION DEVICE
Document Type and Number:
Japanese Patent JPH04110871
Kind Code:
A
Abstract:

PURPOSE: To offer the image formation device where the transfer means is easily replaced although the image formation device can form multicolor images by multiple transfer by including a transfer means for multiple transfer in a cartridge which is arranged in a device main body in an easily detachable state.

CONSTITUTION: A transfer drum 14 is incorporated in a housing 31 together with process equipment such as a photosensitive drum 10, an electrostatic charging roller 11, yellow, magenta, cyan, and black developing units 12a, 12b, 12c, and 12d, and a cleaning unit 13, and the image formation cartridge 30 is arranged detachably in the device main body. This transfer drum 14 needs to be replaced at constant intervals. Then the technical knowledge is required to replace the transfer drum 14, and a general user can not easily replace the drum. In this invention, the image formation cartridge is constituted by including the transfer drum 14 in a conventional process cartridge and then the transfer drum 14 is replaced together with the photosensitive drum 10 by replacing the image formation cartridge 30, thereby facilitating the maintenance.


Inventors:
MIYASHIRO TOSHIAKI
KOBAYASHI TETSUYA
Application Number:
JP1990000228409
Publication Date:
April 13, 1992
Filing Date:
August 31, 1990
Export Citation:
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Assignee:
CANON KK
International Classes:
G03G15/01; G03G15/00; G03G15/16; (IPC1-7): G03G15/00; G03G15/01; G03G15/16



 
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