Communications: electrical – Condition responsive indicating system – Specific condition
Patent
1997-12-15
1998-08-11
Tong, Nina
Communications: electrical
Condition responsive indicating system
Specific condition
83167, 8352212, 399407, 270 5807, G08B 2100
Patent
active
057932980
ABSTRACT:
This invention relates to an image forming apparatus provided with a punching unit and a paper refuse collecting box (container). The apparatus has a controller provided with a counter and monitor. The counter counts the total number of binder holes formed in paper by a punching operation by multiplying the number of sheets of paper to be punched by the punching unit with the number of binder holes formed in one sheet of paper that is designated by an operator. The monitor converts the total number of binder holes calculated by the counter into the amount of paper refuse accumulated in the container each time the punching operation is finished, while integrating the amount of paper refuse accumulated in the container. When it is judged that the integral value exceeds a predetermined maximum value, the controller causes a display device to display the necessity of emptying the container.
REFERENCES:
patent: 3878745 (1975-04-01), Handziak et al.
patent: 4140390 (1979-02-01), Schultheis et al.
patent: 4421000 (1983-12-01), Murphy
patent: 5253030 (1993-10-01), Shigemura et al.
patent: 5508799 (1996-04-01), Irie
patent: 5628502 (1997-05-01), Amarakoon
Mita Industrial Co. Ltd.
Tong Nina
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