Photocopying – Contact printing – Light boxes
Patent
1990-09-05
1991-10-22
Grimley, A. T.
Photocopying
Contact printing
Light boxes
355 27, 355326, 430109, 430138, 430901, G03G 1506
Patent
active
050600206
ABSTRACT:
An image recording apparatus uses coloring photosensitive toner for a full-color copying which is in the form of a microcapsule having a shell, a photosensitive resin and a chromogenic material both encapsulated in the shell, and a developer material coated on the outer surface of the shell. To increase the monochromatic copying speed, the apparatus further uses a monochromatic toner. When a user's switch is depressed, a driver unit selects either one of the full-color and monochromatic color copying mode. When the monochromatic image is to be copied, a pressure developing unit which is used for pressure developing a color latent image is retracted, so that a recording medium on which a monochromatic toner image is deposited is free from the pressure imparted by the pressure developing unit and the pressure developing unit is not smeared with the monochromatic toner powders.
REFERENCES:
patent: 4865943 (1989-09-01), Wright
patent: 4878083 (1989-10-01), Hayakawa et al.
patent: 4884082 (1989-11-01), Sonoda et al.
patent: 4920375 (1990-04-01), Akao et al.
patent: 4935784 (1990-06-01), Shigehiro et al.
Brother Kogyo Kabushiki Kaisha
Grimley A. T.
Stanzione Patrick
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