Patent · US Active

Transfer NIP for an electrophotographic device, and methods of making and using same

US8588667B2 · kind B2 · utility

0Cited by

1References

30Claims

0Family size

Assignee

Lexmark International, Inc. · US

Inventors

Julie Ann Gordon Whitney · Georgetown, US
Kerry Leland Embry · Midway, US
Bartley Charles Gould, II · Lexington, US
Frank Hughes · Paris, US
Brandon Alden Kemp · Lexington, US
Kurt Daniel Lambert · Madison, US
Niko Jay Murrell · Lexington, US

Key dates

Filing date	Jun 29, 2010
Grant date	Nov 19, 2013
Priority date	—
Expiry date	Oct 4, 2030

Classification

Technology area (CPC G)Physics
CPC primaryG03G2215/0145
WIPO fieldOptics
WIPO sectorInstruments

Abstract

An imaging apparatus having a toner transfer station, including a donating member for donating toner forming an image; and a transfer roll which serves to form a transfer nip in which toner is transferred from the donating member to a media sheet disposed in the transfer nip between the donating member and the transfer roll, wherein a product of a resistivity of the transfer nip and a dielectric constant thereof is greater than or equal to a product of a resistivity of the media sheet and a dielectric constant thereof.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.