Photocopying – Contact printing – Light boxes
Patent
1990-08-14
1991-11-19
Moses, R. L.
Photocopying
Contact printing
Light boxes
364406, 377 16, G03G 2100
Patent
active
050669770
ABSTRACT:
A system for managing the number of image forming operations of an image forming apparatus is provided, wherein when the accumulated number of copies for a user exceeds a predetermined copying number to be allowed for the user, the copying operation is forced to continue up to the number of copies specified by the user at that time. However, when this condition is detected, an instruction for inhibiting the next copying operation by that user is delivered to a main unit of the image forming apparatus. The excess number of copies over the predetermined number is designated as the initial setting number in an accumulator for calculating an accumulated number of copies after resetting by a renewal arrangement.
REFERENCES:
patent: 3813157 (1974-05-01), Fantozzi
patent: 3872282 (1975-03-01), Long
patent: 4501485 (1985-02-01), Tsudaka
patent: 4531826 (1985-07-01), Stoughton et al.
Mita Industrial Co. Ltd.
Moses R. L.
Royer William J.
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