System and method for controlling a printer device

Photocopying – Contact printing – Light boxes

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355208, G03G 1500

Patent

active

055216749

ABSTRACT:
A system and method for controlling image transfer device operations through use of a medium marking material on the image transfer medium being printed. The medium marking material is coded on the paper and sensed by the transfer device to control operations. The medium marking material is visible and/or legible to an operator prior to printing, but becomes invisible during or after printing operations. Responsive to the marking material sensed, a marking signal is produced and translated to a command signal recognized by the printer for controlling printer operations. Heat generated by the printing process causes the marking material to become virtually indistinguishable from the paper during/after printer operations.

REFERENCES:
patent: 4876571 (1989-10-01), Nakamura et al.
"Apple Joins The Fray With New Color LaserWriter 12/600 PS", Hard Copy Observer, vol. V, No. 7, Jul. 1995, p. 51.

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