Abstract: A mechanism for adjusting the location of a rotatable mixer and rotatable transport mechanism within the development station housing of an electrographic reproduction apparatus development station. The development station includes a housing, a rotatable mixer assembly located in a developer material reservoir within the housing, a developer device for applying developer material to an electrostatic image to be developed, a rotatable transport mechanism for moving developer material from the reservoir to the developer device, and a drive mechanism for rotating the rotatable mixer, the rotatable transport mechanism, and the developer device. The adjustment mechanism describes a first locating device for adjustably positioning the drive mechanism relative to the reservoir of the development station housing, and a second locating device for adjustably positioning the rotatable mixer and the rotatable transport mechanism relative to the development station housing.
Type:
Grant
Filed:
November 19, 1999
Date of Patent:
August 14, 2001
Assignee:
NexPress Solutions LLC
Inventors:
James George Blum, Kenneth Joseph Brown, Christopher Stephen Garcia, Donald Steven Hensel, Gary Edwin Nichols, Paul Essic Thompson
Abstract: A mechanism for sensing the pressure in the offset preventing oil delivery system for the fuser assembly of a reproduction apparatus. The pressure sensing mechanism includes a pressure-sensing gauge operatively associated with the offset preventing oil delivery system. A pressure sensing circuit includes a pressure gauge port for converting detected pressure from the pressure-sensing gauge into a corresponding electrical signal. Responsive to the electrical signal, the pressure sensing circuit calculates a delta voltage between when the oil delivery system is operating and when the oil delivery system is not operating, and determines whether the delta voltage system is within a specific operating range. A logic and control unit, responsive to the electrical signal, monitors the electrical signal from the pressure sensing circuit to ensure that the offset preventing oil is being properly delivered to the oil delivery system.
Type:
Grant
Filed:
March 31, 2000
Date of Patent:
June 5, 2001
Assignee:
Heidelberg Digital L.L.C.
Inventors:
James Denney Anthony, James Van Orchard, David Francis Cahill