Cleaning subsystem for a xerographic reproduction machine

Details Cleaning subsystem for a xerographic reproduction machine Cleaning subsystem for a xerographic reproduction machine

1979-07-16

1981-02-24

Moses, Richard L.

Photocopying

Projection printing and copying cameras

Combined with or convertible to a contact printer

1525652, 118652, G03G 2100

Patent

active

042524350

ABSTRACT:
To clean toner, particularly magnetic toner, from a photoreceptor, an improved cleaning subsystem includes a foam roll cleaner in contact with and mounted to rotate in a tangential direction opposite to that of the photoreceptor. The foam roll cleaner is mounted within a housing, and a baffle extends upwardly at an angle from the housing into the pre-nip zone between the photoreceptor and the cleaner in extremely close proximity to both the photoreceptor and to where the cleaner initially contacts the photoreceptor during rotation of the cleaner. This arrangement generates a positive pressure within the housing and to relieve this positive pressure without expelling any toner from the housing, filtered openings are provided in the housing. To discharge or release toner from the foam roll cleaner during operation of the cleaning subsystem, the cleaner is vibrated. Any magnetic toner accumulating on the interior surfaces of the housing are moved or conveyed downwardly into the bottom portion of the housing by magnetic conveyors located on the exterior of the housing.

REFERENCES:
patent: 3942889 (1976-03-01), Kurita et al.
patent: 3955235 (1976-05-01), Meyer
patent: 4181425 (1980-01-01), Higaya et al.

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