Sheet feeding or delivering – Delivering – Multiple discharge
Patent
1987-08-27
1990-07-10
Schacher, Richard A.
Sheet feeding or delivering
Delivering
Multiple discharge
271176, 271263, B65H 720
Patent
active
049402250
ABSTRACT:
A sheet handling apparatus to perform predetermined processes for a recorded sheet comprises: a processor to process a sheet which is output from a sheet output unit; a sensor to detect a carrier speed of the sheet; and a controller to perform predetermined processes on the basis of the sheet carrier speed detected by the sensor and sheet carrier speed data transmitted from the sheet output unit. The processor has a carrier to carry the sheet output from the sheet output unit and then stores the sheet carried by the carrier into storage units. The controller compares the sheet carrier speed detected by the sensor with the sheet carrier sheed data transmitted from the sheet output unit and outputs a warning signal to display the result of the comparison when the former speed is deviated from the latter speed by a value above a predetermined value. In this manner, the abnormality of the sheet carrier speed is correctly detected and the occurrence of the abnormality of the carrying operation of the sheet such as sheet jam or stay jam can be prevented.
REFERENCES:
patent: 4540170 (1985-09-01), Masuda
patent: 4579327 (1986-04-01), Furuichi
patent: 4629172 (1986-12-01), Kameyama
patent: 4641954 (1987-02-01), Miyata et al.
patent: 4676499 (1987-06-01), Kimizuka
Honjo Takeshi
Sato Shunji
Canon Kabushiki Kaisha
Schacher Richard A,.
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