Photocopying – Contact printing – Light boxes
Patent
1994-10-21
1996-04-23
Royer, William J.
Photocopying
Contact printing
Light boxes
34082506, 34082515, 379106, G03G 2100
Patent
active
055108768
ABSTRACT:
A control system for collectively supervising a plurality of copiers or similar image forming apparatuses connected to a control device by communication lines with or without the intermediary of communication control units. To down-load data relating to image formation, the control device determines whether or not a copier of interest is an inoperative state and, if it is in an inoperative state, automatically sends the data to the copier via a telephone line, an exchange, and a communication control unit. This data is written to a storage device built in the copier. To up-load data relating to image formation, the control device causes each copier to automatically send the data stored in the storing device thereof and stores the data in a memory thereof. Up-loading is effected at an optimal time other than the time when the copier is performing an automatic adjustment, in use, or quite likely to be used.
REFERENCES:
patent: 5325156 (1994-06-01), Ulinski
patent: 5333286 (1994-07-01), Weinberger et al.
patent: 5347346 (1994-09-01), Shimizu et al.
patent: 5365310 (1994-11-01), Jenkins et al.
patent: 5392095 (1995-02-01), Siegel
patent: 5404199 (1995-04-01), Hirata et al.
Harada Tomofumi
Hashimoto Yasunari
Hayashi Masayuki
Kanaya Koichi
Kawada Yasuo
Ricoh & Company, Ltd.
Royer William J.
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