Apparatus for print assembly blade deflection detection

Details Apparatus for print assembly blade deflection detection Apparatus for print assembly blade deflection detection

2011-05-10

2011-05-10

Gray, David M (Department: 2852)

Electrophotography

Control of electrophotography process

Control of cleaning

C399S350000, C399S345000, C399S123000, C399S264000, C399S273000, C399S327000

Reexamination Certificate

active

07941067

ABSTRACT:
An apparatus (100) that detects blade deflection from a print assembly contact surface is disclosed. The apparatus can include a print assembly (110) rotationally supported in the apparatus, where the print assembly can have a print assembly contact surface (112) and a print assembly conductor (114). The apparatus can include a blade (120) configured to be coupled to the print assembly contact surface and a blade conductive layer (130) coupled to the blade. The apparatus can include a sensor (140) configured to measure a capacitance between the blade conductive layer and the print assembly conductor.

REFERENCES:
patent: 4937633 (1990-06-01), Ewing
patent: 5264904 (1993-11-01), Audi et al.
patent: 5278620 (1994-01-01), Godlove
patent: 5799226 (1998-08-01), Shigeta et al.
patent: 2008/0232874 (2008-09-01), Parks et al.

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