Paper feeder, recording apparatus, and method of detecting a...

Details Paper feeder, recording apparatus, and method of detecting a... Paper feeder, recording apparatus, and method of detecting a...

2005-04-19

2005-04-19

Walsh, Donald P. (Department: 3653)

Sheet feeding or delivering

Feeding

Pack holders

C271S160000, C271S162000

Reexamination Certificate

active

06880822

ABSTRACT:
A paper feed unit includes a hopper on which sheets are stacked and which is turned around a rotation shaft. The hopper is turned to move apart from or move to a paper feed roller. The paper feed unit has three modes: a large release mode in which the hopper is turned to be most apart from the paper feed roller, a non-release mode in which the printing sheet is abutted against the paper feed roller, and a small release mode in which the printing sheet is slightly separated from the paper feed roller, and is at a medium level between the above two modes. When a paper feeding job is still present, a state that the uppermost printing sheet is slightly separated from the paper feed roller is retained by the small release mode, whereby a swing range of the hopper is minimized.

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patent: 0 478 300 (1992-04-01), None

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