Monitor/warranty system for electrostatographic reproducing machines using replaceable cartridges
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United States of America Patent
Stats
-
Oct 2, 1990
Grant Date -
N/A
app pub date -
Apr 20, 1989
filing date -
Apr 20, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A monitor/warranty system for electrostatographic reproducing machines in which replaceable cartridges providing a predetermined number of images are used, each cartridge having an EEPROM programmed with a cartridge identification number that when matched with a cartridge identification number in the machine enables machine operation, a cartridge replacement warning count, and a termination count at which the cartridge is disabled from further use, the EEPROM storing updated counts of the remaining number of images left on the cartridge after each print run.
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Family
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Cited Art Landscape
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