Image forming method

Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Post imaging process – finishing – or perfecting composition...

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Details

430126, 355277, G03G 1316, G03G 2110

Patent

active

055321011

ABSTRACT:
An image forming method, including steps of: charging a photosensitive member; exposing the photosensitive member so that an electrostatically charged image is formed; developing the electrostatically charged image so that a toner image is formed; transferring the toner image to a transfer member by transfer means; and cleaning residual toner particles on the photosensitive member by cleaning means after the toner image has been transferred, wherein the photosensitive member rotates at peripheral speed V (mm/sec); the transfer means is disposed so that the distance from a developing position on the photosensitive member to a transfer position in a direction of rotation of the photosensitive member is d.sub.1 (mm); d.sub.1 /v is 0.17 sec. or less; and developing the electrostatically charged image with toner having a triboelectric charge of .vertline.5.vertline. to .vertline.50.vertline. .mu.c/g and containing 30% by number or less of toner particles having sizes below 4 .mu.m.

REFERENCES:
patent: 4998143 (1991-03-01), Kumasaka et al.
patent: 5009973 (1991-04-01), Yoshida et al.

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