Photocopying – Contact printing – Light boxes
Patent
1994-10-21
1996-08-13
Royer, William J.
Photocopying
Contact printing
Light boxes
34082506, 34082515, 355202, 379106, G03G 2100
Patent
active
055461646
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: 5291244 (1994-03-01), Kajiwara et al.
patent: 5300980 (1994-04-01), Maekawa et al.
patent: 5305055 (1994-04-01), Ebner et al.
patent: 5373349 (1994-12-01), Ito
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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