CENTER REGISTERED PROCESS DIRECTION HEATING ELEMENT WITH TEMPERATURE LEVELING AND/OR RESISTANCE INCREASE
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United States of America Patent
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Issued Date -
Mar 2, 2017
app pub date -
Aug 27, 2015
filing date -
Aug 27, 2015
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Abstract
Accordingly, an improved fuser is disclosed that includes a heater which provides uniformity at the surface of the fuser that contacts an imaged sheet by configuring a new heating element consisting of a resistive trace flanked by conductive paths on either side in the process direction. On one end of the resistive trace is a single continuous conductive trace referred to as the common. On the other end resistive trace are three or more separate conductive traces to allow heating for different paper widths. The resistive trace is augmented with dielectric circles to increase the overall resistivity of the heating element. Rows of dielectric can be offset from one another to insure overall thermal uniformity.
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