Photocopying – Projection printing and copying cameras – Combined with or convertible to a contact printer
Patent
1986-01-13
1987-08-18
Braun, Fred L.
Photocopying
Projection printing and copying cameras
Combined with or convertible to a contact printer
G03G 2100, G03G 1500
Patent
active
046873201
ABSTRACT:
A control system for an electrophotographic copier includes a detector switch for outputting a warning signal when it detects that a container for discarded toner for the copier becomes full and a device for stopping the copying operation only after a specified number of copies are produced after the container became full and the aforementioned warning signal has been outputted.
REFERENCES:
patent: 3737734 (1973-06-01), Nakamura et al.
patent: 3838922 (1974-10-01), Nelson
patent: 3989371 (1976-11-01), Valentine
patent: 4436414 (1984-03-01), Kamiyama et al.
Nakanishi Yasushi
Taniguchi Akihiko
Braun Fred L.
Sharp Kabushiki Kaisha
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