Dot matrix printer having interchangeable print head and font ca

Details Dot matrix printer having interchangeable print head and font ca Dot matrix printer having interchangeable print head and font ca

1987-04-24

1988-10-18

Sewell, Paul T.

Typewriting machines

Typing by other than type-face or type-die

Character formation by impact

400175, 400692, B41J 312

Patent

active

047782919

ABSTRACT:
A dot printer comprising a printer head freely detachably attached to a carriage in the printer and a system cartridge also freely detachably attached to the printer, said system cartridge having stored a character front and a firmwear program therein, wherein the number of dots printed can be changed by exchanging the printer head and the system cartridge with those which are different in number of pins used. Printing can be thus done with any desired numbers of dots which meet various purposes and one dot printer can be used for various purposes with extremely high economy.

REFERENCES:
patent: 4388010 (1983-06-01), Mott
patent: 4411540 (1983-10-01), Nozaki

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