Printer having automatic paper feed mechanism and manual paper f

Details Printer having automatic paper feed mechanism and manual paper f Printer having automatic paper feed mechanism and manual paper f

1991-11-13

1992-10-20

Skaggs, H. Grant

Sheet feeding or delivering

Delivering to stack and feeding therefrom

With sheet sensor for selective location

271 9, 271110, 271265, B65H 500

Patent

active

051563851

ABSTRACT:
In a printer having a manual sheet feed mechanism and an automatic sheet feed mechanism, when feed rollers of the manual paper feed mechanism are driven, a counter starts to count. At the time when the printing operation is completed, a CPU retrieves a predetermined value corresponding to a sheet length from a table stored in a ROM. The predetermined value represents the time necessary for the printing operation to be completed, with a tolerance. The CPU does not feed the next print sheet until the counter counts up to the predetermined value.

REFERENCES:
patent: 3626956 (1971-12-01), Sauder
patent: 4392740 (1983-07-01), Ito et al.
patent: 4470689 (1984-09-01), Nomura et al.
patent: 4483528 (1984-11-01), Takeyama et al.
patent: 4708455 (1987-11-01), Kubota et al.
patent: 4778296 (1988-10-01), Takahashi
patent: 5056775 (1991-10-01), Kida
patent: 5072923 (1991-12-01), Coy

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