Sheet transport for high productivity trayless duplex
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United States of America Patent
Stats
-
Nov 14, 1995
Grant Date -
N/A
app pub date -
Nov 18, 1994
filing date -
Nov 18, 1994
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A duplex path loop having a acceleration nip cooperating with a belt transport and retime nip to allow duplexing of sheets while minimizing skipped pitches on the photoreceptor. As each sheet to be duplex printed is removed from the process path after first side imaging it is accelerated to create a gap between it and subsequent sheets. The sheet is then stalled or slowed in a retime nip, while subsequent sheets to be duplexed are simultaneously driven by the same transport, the first mentioned sheet being reinserted into the process path at the proper time for receiving the second side image before the arrival of the second sheet at the retime nip. Subsequent duplex sheets are handled in the same manner so that duplex copies are interleaved or otherwise reinserted into the process path with first side copies so that skipped pitches on the photoreceptor are minimized.
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Cited Art Landscape
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