Photocopying – Projection printing and copying cameras – Combined with or convertible to a contact printer
Patent
1987-04-24
1989-01-17
Grimley, Arthur T.
Photocopying
Projection printing and copying cameras
Combined with or convertible to a contact printer
G03G 1500
Patent
active
047990813
ABSTRACT:
A copying system comprises a first circuit for selecting a copying mode or a service program mode responsive to a manipulation of one or a plurality of keys, a second circuit for setting an operation mode to the service program mode when enabled by the first circuit, and a control device for automatically resetting one of a plurality of predetermined service program modes when the second circuit is disabled by the first circuit. Adjusting data for use in adjusting parts of the copying system in the service program mode are entered from the keys, and the predetermined service program modes are automatically reset when the operation mode is changed from the service program mode to the copying mode.
REFERENCES:
patent: 4297029 (1981-10-01), Carlson
patent: 4332464 (1982-06-01), Bartulis et al.
patent: 4547062 (1985-10-01), Fujiwara
patent: 4553830 (1985-11-01), Nguyen
patent: 4627721 (1986-12-01), Nguyen et al.
patent: 4682158 (1987-07-01), Ito et al.
IBM Technical Disclosure Bulletin, vol. 23, No. 7A, Dec. 1980, Laliberty et al, "Diagnostic Mode Exercising for Copiers", pp. 2714-2715.
Hirono Tatsuo
Kikuno Mitsutoyo
Nakashima Yoshihiro
Yoshino Hirobumi
Grimley Arthur T.
Pendegrass J.
Ricoh & Company, Ltd.
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