Photocopying – Contact printing – Light boxes
Patent
1992-09-18
1994-06-21
Grimley, A. T.
Photocopying
Contact printing
Light boxes
355210, G03G 1500
Patent
active
053232100
ABSTRACT:
An image forming apparatus includes first and second frames separable from each other, wherein the first and second frames constitutes a main assembly of the image forming apparatus; a process cartridge detachably mountable to the main assembly, wherein the process cartridge contains an image bearing member and at least one image forming device actable on the image bearing member; a developing unit detachably mountable to the main assembly separately from the cartridge, the developing unit forming a developed image on the image bearing member; wherein the main assembly is separable in a first mode in which the cartridge and the developing unit are in either of the first frame or the second frame and in a second mode in which the cartridge and the developing unit are in different ones of the first and second frames.
REFERENCES:
patent: 4583844 (1986-04-01), Honda
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patent: 4924267 (1990-05-01), Yoshikawa et al.
patent: 4928144 (1990-05-01), Kasahara et al.
patent: 5005053 (1991-04-01), Kozuka
patent: 5036367 (1991-07-01), Haneda et al.
patent: 5041872 (1991-08-01), Nukaya et al.
patent: 5065195 (1991-11-01), Haneda et al.
European Search Report.
Canon Kabushiki Kaisha
Grimley A. T.
Royer William J.
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