Method and apparatus of detecting toner concentration of dry developer
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United States of America Patent
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-
Mar 17, 1981
Grant Date -
N/A
app pub date -
Aug 23, 1978
filing date -
Sep 1, 1977
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method and apparatus to detect the toner concentration of two component dry developer comprising toner and carrier includes the use of a toner catcher having a conductive member and which is capacitively charged. The developer is applied to the catcher, which traps the toner to determine the toner content.
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