Photocopying – Contact printing – Light boxes
Patent
1988-11-10
1989-09-19
Prescott, A. C.
Photocopying
Contact printing
Light boxes
355202, 355210, 355244, 355260, 355326, G03G 1500, G03G 1501
Patent
active
048686069
ABSTRACT:
Three mounting portions are provided along a direction of rotation of a photoreceptor with an eraser lamp and a corona charger provided on the upstream side of the mounting portions. A first developing unit, an outline unit and a second developing unit, each of which can be attached to and detached from each of the mounting portions, are mounted in this order from the upstream side. When an outline mode is selected, colors of the developing units mounted on the downstream side of the outline unit are displayed on a display portion. When there is no developing unit on the downstream side, no color is displayed, and the copying operation in the outline mode is prohibited. If there is only one developing unit on the downstream side, the copying operation is started by pressing a copying key. If there are a plurality of developing units on the downstream side, a plurality of colors are displayed, and the copying operation is prohibited until one of those colors is designated.
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Kusumoto Keiji
Miyamoto Hirohisa
Minolta Camera Kabushiki Kaisha
Prescott A. C.
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