Method for increasing duplex reproduction apparatus productivity by adjusting sheet travel time difference
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United States of America Patent
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Jul 17, 2012
Grant Date -
Jul 7, 2011
app pub date -
Mar 15, 2011
filing date -
May 29, 2008
priority date (Note) -
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status (Latency Note)
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Abstract
A method of increasing productivity in a reproduction apparatus wherein a first print engine and a second print engine are coupled by an inverter and synchronized. Each sheet of a plurality of receiver sheets is selectively printed in an invert mode or a non-invert mode. A difference of a travel time of a first receiver sheet in an invert path through the inverter in the invert mode as compared to a travel time of a second receiver sheet in a non-invert path through the inverter in the non-invert mode is adjusted so that the difference is an integral multiple of a period between the receiver sheets. Frames on a dielectric support member in the appropriate print engine are skipped when switching between invert mode and non-invert mode.
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