Paper feed control device for copier

Details Paper feed control device for copier Paper feed control device for copier

1988-04-18

1989-03-28

Rolla, Joseph J.

Sheet feeding or delivering

Feeding

With means to interrupt feeding

271155, B65H 714, B65H 704

Patent

active

048157252

ABSTRACT:
A paper feed control device for controlling a paper feed level, or height, to a predetermined one by moving up and down a tray which is loaded with a stack of papers by a motor or the like. A proportional relation between the number of papers 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 pulses will appear before a near-paper-end condition is reached. Based on a result of the decision, the paper feed is controlled.

REFERENCES:
patent: 4369442 (1983-01-01), Werth et al.

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