Negative pressure electrostatic process unit for printers and multifunction peripherals
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United States of America Patent
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Jan 8, 2019
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N/A
app pub date -
Sep 25, 2017
filing date -
Sep 25, 2017
priority date (Note) -
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Abstract
A system and method for removing toner and particles from a developer cavity of an electrostatic process unit of a toner-based printer includes a filter displaced over at least a portion of the developer cavity, and a fan configured to draw a volume of air through the filter from the portion of the developer cavity adjacent to the filter. The fan is coupled to the photoconductive drum of the electrostatic process unit and rotates when the photoconductive drum rotates. The rotation of the fan generates a negative pressure on the filter which draws the volume of air through the filter. The filter removes airborne toner and particles from the volume of air. The toner and particles are removed from the electrostatic process unit by an associated auger.
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