Paper feed control device for copier which determines the actual

Details Paper feed control device for copier which determines the actual Paper feed control device for copier which determines the actual

1989-10-02

1990-12-11

Skaggs, H. Grant

Sheet feeding or delivering

Feeding

With means to interrupt feeding

271155, 271259, 271157, B65H 714

Patent

active

049764217

ABSTRACT:
A paper feed control device for controlling a paper feed level, or height, to a predetermined level by moving up and down a tray which is loaded with a stack of papers by a motor. A proportional relation between the number of paper fed as counted by a paper counter and the number of encoder pulses which is associated with an amount of movement of the tray is calculated to determine how many pulse will appear before a near-paper-end condition is reached. Based on a result of the decision, the paper feed is controlled.

REFERENCES:
patent: 4535463 (1985-08-01), Ito et al.

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