Methods and apparatus for remanufacturing toner cartridges

Details Methods and apparatus for remanufacturing toner cartridges Methods and apparatus for remanufacturing toner cartridges

2007-11-13

2010-11-23

Tran, Hoan (Department: 2884)

Electrophotography

Having particular structure

Remanufacturing

Reexamination Certificate

active

07840158

ABSTRACT:
A device for detaching a drum from a cartridge, the device having a fixture for supporting the printer cartridge; a clamp for preventing printer cartridge movement while the drum is being detached from the printer cartridge; and a cutting device having at least one adjustable cutting edge, wherein the adjustable cutting edge may be adjusted from an unexposed position to an exposed position and vice versa. A method of removing a drum from a printer cartridge, the drum being attached to the printer cartridge by at least one drum gear assembly, the drum gear assembly having a cylinder with a hollow interior, the method having the steps of supporting the printer cartridge on a fixture; substantially securing the printer cartridge; and cutting the drum gear assembly from the hollow interior.

REFERENCES:
patent: 6735404 (2004-05-01), Higeta et al.
patent: 7346292 (2008-03-01), Williams et al.
patent: 7618507 (2009-11-01), Wazana et al.
patent: 2008/0159780 (2008-07-01), Williams et al.

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