Method and apparatus for removing toner waste from a toner sump

Details Method and apparatus for removing toner waste from a toner sump Method and apparatus for removing toner waste from a toner sump

1997-02-13

1998-06-02

Royer, William J.

Electrophotography

Internal machine environment

Particle or contaminant control

399107, 399123, 399358, G03G 1500

Patent

active

057615772

ABSTRACT:
The present invention is a method and apparatus for vacuuming toner waste from a toner sump in a xerographic printing machine. A xerographic module in the machine contains a photoconductor, charging devices, a cleaning unit and the toner sump. When the toner sump approaches a full condition, the toner waste must be removed in order to prevent failure of the xerographic module seals. This is accomplished by removing the xerographic module from the machine, opening a sealed toner sump port and attaching a vacuum source to the toner sump port so that the toner waste can be removed with the vacuum source. A disposal adaptor tool sealingly engages the vacuum source to the toner sump at the toner sump port, allowing the toner to removed in a clean glove environment. Once the toner waste is removed from the toner sump, a new toner seal is placed over the toner sump port and the xerographic module is returned to the machine for further use.

REFERENCES:
patent: 4601569 (1986-07-01), Garris
patent: 4932355 (1990-06-01), Neufeld
patent: 5243388 (1993-09-01), Berns et al.
patent: 5349425 (1994-09-01), Kamijo et al.
patent: 5349427 (1994-09-01), Benedict et al.

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