Electrophotographic recording apparatus and system including a d

Details Electrophotographic recording apparatus and system including a d Electrophotographic recording apparatus and system including a d

1992-03-26

1993-06-01

Grimley, A. T.

Photocopying

Contact printing

Light boxes

346157, 355271, 355326, G03G 500

Patent

active

052164667

ABSTRACT:
In the improved electrophotographic recording apparatus, exposure is performed on a photoreceptor drum 7 in response to a signal from an optical head 13 provided in the vicinity of the drum 7, a thin endless metal belt 4 having a dielectric layer on the outer surface being brought into contact with the drum 7 so as to form an electrostatic latent image on the belt 4 and, thereafter, the latent image being developed with a toner 9 to produce a toner image which is then transferred onto a transfer medium 10 and permanently fixed to record the final image. This apparatus is free from deterioration of the photoreceptor and it is only the toner which is one of the consumables that needs maintenance, thereby reducing not only the economic burden on the part of the user but also the number of parts or components. Two or more units of this apparatus may be arranged in series in a geometric pattern to construct a multi-color printing electrophotographic recording system.

REFERENCES:
patent: 3890040 (1975-06-01), Schmidlin
patent: 3923392 (1975-12-01), Buchan et al.
patent: 3947113 (1976-03-01), Buchan et al.
patent: 4341455 (1982-07-01), Fedder
patent: 4408864 (1983-10-01), Hardenbrook
patent: 4455079 (1984-06-01), Miwa et al.
patent: 4918487 (1990-04-01), Coulter, Jr.
patent: 4994855 (1991-02-01), Ohashi et al.
patent: 5053821 (1991-10-01), Kunugi et al.

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