Recorders – Record receiver deforming
Patent
1992-06-05
1994-01-18
Pendegrass, Joan H.
Recorders
Record receiver deforming
355305, B41M 526
Patent
active
052803023
ABSTRACT:
The present invention is used in an image-recording apparatus wherein a substantially uniform layer of triboelectrically charged thermoplastic toner particles is deposited onto an imaging member. The toner particles are imagewise heated such that the heated toner particles are thermally tacked to the imaging member. The imaging member is then contacted with a mass of magnetic carrier particles to attract nonheated toner particles to the carrier particles, thereby removing nonheated toner particles from the imaging member and ladening the carrier particles with the removed toner particles. In accordance with the invention, upon using the carrier particles to attract and remove toner from the imaging member, the toner-laden carrier particles are mixed with a supply of carrier particles in which the average number of toner particles per carrier particle is lower than that of said toner-laden carrier particles. This produces a mixture of carrier particles in which the average amount of toner attracted to each carrier particle is substantially lower than that of the toner-laden carrier particles. This mixture is then subjected to a detoning step in which essentially all of the toner on each carrier particle is removed prior to the carrier particles being contacted to the imaging member again.
REFERENCES:
patent: 4482244 (1984-11-01), Yamazaki et al.
patent: 4483611 (1984-11-01), Matsuura et al.
patent: 4494863 (1985-01-01), Laing
patent: 4547063 (1985-10-01), Stange
patent: 4571071 (1986-02-01), Bothner
Evans Peter G.
Flick James R.
Kamp Dennis R.
Rubin Bruce J.
Yousey Kevin E.
Eastman Kodak Company
Pendegrass Joan H.
Treash Leonard W.
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