Printer for monochrome and color printing

Details Printer for monochrome and color printing Printer for monochrome and color printing

1987-04-30

1989-09-19

Wiecking, David A.

Typewriting machines

Including interposed inking device for record-medium

Including mechanism for shifting ribbon laterally at...

400208, 4002161, B41J 3514

Patent

active

048675873

ABSTRACT:
A printer for use with both monochrome and color ink ribbon cartridges has a cartridge holder which is rotatable to correctly position the ink ribbon of whichever cartridge is put in place in front of the print head. The cartridge holder and a transmission for driving it are mounted on a carriage which is movable in front of a platen. A driving motor for powering the transmission is placed on the carriage to convert the printer from monochrome so as to be able to use with either a monochrome or a color ink ribbon cartridge and a switch having two sets of contacts in a single circuit responds to the presence of a color ink ribbon cartridge to position the color ribbon in front of the printer at a color home position.

REFERENCES:
patent: 4425046 (1984-01-01), Van Horne et al.
patent: 4563100 (1986-01-01), Hamamichi
patent: 4586837 (1986-05-01), Johnson et al.
patent: 4611938 (1986-09-01), Rettke et al.
patent: 4693619 (1987-09-01), Ishii et al.

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