Sheet conveyance apparatus

Details Sheet conveyance apparatus Sheet conveyance apparatus

2008-12-22

2011-11-29

Joerger, Kaitlin (Department: 3653)

Sheet feeding or delivering

Feeding

With means to align sheet

C271S226000, C271S227000, C271S248000, C271S249000, C271S250000, C271S252000, C271S261000

Reexamination Certificate

active

08066279

ABSTRACT:
A sheet conveyance apparatus capable of detecting a sheet end portion in a short time period even if sheets are conveyed at a narrow interval and at high speed, thus making it possible to expedite the start timing of a subsequent sheet alignment operation. In accordance with results of detection by lateral registration detection sensors performed when a sheet reaches a lateral registration detection sensor unit, the sensor unit is moved in a width direction for sheet end detection. Based on a moving distance of the sensor unit from a standby position to a position where the sheet end is detected, a shift amount to be shifted the sheet in the width direction, i.e., a lateral registration error, is computed.

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