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IBM Journal of Research and Development  
Volume 29, Number 5, Page 494 (1985)
SELECTRIC Systems/2000
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System controls for a resistive ribbon printer

by A. Bohnhoff, D. Croley, S. Dyer, T. Green, R. Maddox, L. Struttmann
The system controls for a printer using the resistive ribbon print technology involve conventional requirements, such as moving the print mechanism relative to the paper, with a new requirement, controlling the electrical energy to the ribbon, an electrothermal component. Other special requirements are dictated by using the same ribbon for hard copy print/erase while ensuring that the print and erase operations are acceptable to the user. This paper discusses the design and performance of the system controls for a resistive ribbon printer that was developed for use in an interactive typewriter application and as an output printer for a personal computer.
Related Subjects: Mechanics and mechanisms; Printing technology; Typewriter design