Method and apparatus of forming a toner image on a receiving she

Details Method and apparatus of forming a toner image on a receiving she Method and apparatus of forming a toner image on a receiving she

1991-09-23

1993-02-16

Grimley, A. T.

Photocopying

Contact printing

Light boxes

355326, G03G 1516A

Patent

active

051875268

ABSTRACT:
One or more toner images are transferred to an intermediate image member and then to a receiving sheet. The intermediate image member is made relatively conductive, for example, it has a resistivity less than 10.sup.9 ohm-cm facilitating transfer to the intermediate. To provide adequate allowance for variability for the impedance of receiving sheets a transfer backing roller forms a nip with the intermediate image member which transfer backing roller has a relatively low conductivity. For example, the transfer backing roller has a resistance of 10.sup.10 ohm-cm or greater.

REFERENCES:
patent: 3781105 (1973-12-01), Meagher
patent: 3862848 (1975-01-01), Marley
patent: 4190348 (1980-02-01), Friday
patent: 4712906 (1987-12-01), Bothner et al.
patent: 4931839 (1990-06-01), Tompkins et al.
patent: 5053827 (1991-10-01), Tompkins et al.
patent: 5084735 (1992-01-01), Rimai et al.

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