Control to detect air knife blockage
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United States of America Patent
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Jun 22, 2010
Grant Date -
Apr 30, 2009
app pub date -
Oct 26, 2007
filing date -
Oct 26, 2007
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A system for detecting stripper device blockage in a printing system is disclosed. The system includes a fusing member which during operation contacts a sheet of printer media to fuse a marking material to the sheet, a stripping device configured to apply pressurized air from an air supply through at least one orifice to the fuser member in order to separate the sheet from the surface and a flow measurement device in line with the air supply which measures air flow. The air flow device will assist in performing an assessment check which may include taking a baseline measurement of air flow and a diagnostic measurement of air flow. In the case where the difference between the diagnostic measurement and baseline measurement is above a different threshold, corrective action may be taken.
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