Multicolor ink ribbon switching system for printer

Details Multicolor ink ribbon switching system for printer Multicolor ink ribbon switching system for printer

1988-12-15

1990-07-31

Burr, Edgar S.

Typewriting machines

Including interposed inking device for record-medium

Including mechanism for shifting ribbon laterally at...

400212, 4002161, 400225, 400185, B41J 3314, B41J 3514

Patent

active

049446185

ABSTRACT:
A multicolor ink ribbon switching system for a printer includes at least one discrimination switch, a controller, a cassette swinging mechanism, and a ribbon feed mechanism. The discrimination switch discriminates whether a ribbon cassette mounted on a base is a multicolor or monochromatic ink ribbon cassette. The controller receives an output from the discrimation switch. If the output represents the multicolor ribbon cassette, the controller outputs a swinging signal in the color switching mode and a ribbon feed signal in the printing mode. However, if the output represents a monochromatic ribbon cassette, the controller outputs a ribbon feed signal. The cassette swinging mechanism causes the ribbon cassette to swing in response to the cassette swinging signal to switch ribbon colors. The ribbon feed mechanism winds the ribbon in response to the ribbon feed signal from the controller.

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Greenlief et al, "Variable Lift . . . Mechanism", IBM Technical Disclosure Bulletin, vol. 26, No. 3B, pp. 1580-1582, 8-83.

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