Image formation method and apparatus for forming a plurality of

Details Image formation method and apparatus for forming a plurality of Image formation method and apparatus for forming a plurality of

1990-11-21

1994-01-18

Donovan, Lincoln

Photocopying

Contact printing

Light boxes

355327, 430126, G03G 1514

Patent

active

052803252

ABSTRACT:
The present invention relates to an image formation method and the apparatus thereof. An electrostatic latent image formed on a photosensitive body is developed with toner, and the developed toner image is electrostatically transferred onto a recording sheet held on a transfer drum; in repeating the process a plurality of images are formed on the recording sheet. The electric charge on the transfer drum is increased by repeating the electrostatic transfer of the toner image, which can cause a trouble; therefore each time an image formation is completed, the charge on the transfer drum is removed. When a part of the recording sheet held on the transfer body on which the toner image is previously formed faces the photosensitive body, the transfer body is controlled to be apart from the photosensitive drum not to disarrange the image which is previously formed on the recording sheet.

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patent: 4766463 (1988-08-01), Watanuui et al.
patent: 4771319 (1988-09-01), Hamakawa
patent: 4933727 (1990-06-01), Mizuma et al.
patent: 5040026 (1991-08-01), Jamzadeh et al.
patent: 5099286 (1992-03-01), Nichise et al.
patent: 5194902 (1993-03-01), Kamimura et al.

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