Improvements in transfer electrophotography

Details Improvements in transfer electrophotography Improvements in transfer electrophotography

1974-08-12

1976-01-20

Martin, Jr., Roland E.

Gas separation: apparatus

Magnetic separating means

96 1LY, 427 16, 427 17, G03G 1314, G03G 1310

Patent

active

039334902

ABSTRACT:
An improved process of transfer electrophotography employing a liquid developer is described. The depth of the developer on the surface of a an electrophotographic photosensitive member on which an electrostatic latent image to be developed is formed is controlled to a value in the range of 5-30 .mu. prior to transfer. The developer image is transferred to a copying material having an oil absorption coefficient greater than 50 seconds in such a way that the controlled depth of the developer on the photosensitive member is reduced to a value in the range of 2-15.mu.. After transfer, the photosensitive member is cleaned to reduce the depth of the remaining developer to a value no greater than 1.mu..

REFERENCES:
patent: 3461843 (1969-08-01), Noon
patent: 3576623 (1971-04-01), Snelling
patent: 3663219 (1972-05-01), Takahashi
patent: 3722994 (1973-03-01), Tanaka et al.
patent: 3783826 (1974-01-01), Urbanek et al.

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