Method and apparatus for solid recovery of waste toner

Details Method and apparatus for solid recovery of waste toner Method and apparatus for solid recovery of waste toner

1991-12-04

1992-08-04

Grimley, A. T.

Photocopying

Contact printing

Light boxes

118652, G03G 2100

Patent

active

051363380

ABSTRACT:
Apparatus for recovering waste toner in a copier or printer includes a rotatable heating drum and a heat source for heating the drum so that its exterior surface reaches a temperature sufficient to melt toner particles. Waste toner particles that are removed by a cleaning apparatus are fed through a chute onto the surface of the heating drum for melting. A rotatable receiving roller forms a transfer nip with the heating drum for transfer receiving melted toner from the heating drum. Melted toner on the receiving roller is cooled off into a solid mass or plug of toner for clean, safe disposal.

REFERENCES:
patent: 3924566 (1975-12-01), Dennie
patent: 4264966 (1981-04-01), Terzian
patent: 4271497 (1981-06-01), Terzian
patent: 4483628 (1984-11-01), Terzian
patent: 4627737 (1986-12-01), Nance et al.
patent: 4724459 (1988-02-01), Ford
patent: 4992830 (1991-02-01), Kohyama

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