Multiple copying process with improved image retention

Details Multiple copying process with improved image retention Multiple copying process with improved image retention

1981-11-12

1984-12-04

Kittle, John E.

Radiation imagery chemistry: process, composition, or product th

Electric or magnetic imagery, e.g., xerography,...

Post imaging process, finishing, or perfecting composition...

4301066, G03G 1309

Patent

active

044865252

ABSTRACT:
The disclosed process produces a plurality of copies of an original by repeating development of the same electrostatic latent image of the original once formed on a charge retentive member and transfer of the thus developed image onto plural sheets of recording paper, wherein the development is effected by using a magnetic brush having a non-magnetic sleeve with an electrically-insulating surface layer and a two-component developer containing toner and a carrier with a volume resistivity of less than 10.sup.10 .OMEGA..multidot.cm and higher than 10.sup.7 .OMEGA..multidot.cm.

REFERENCES:
patent: 4238558 (1980-12-01), Ziolo
patent: 4239845 (1980-12-01), Tanaka et al.
patent: 4242434 (1980-12-01), Hirakura et al.
patent: 4265993 (1981-05-01), Kawanishi et al.

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