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| 국가/구분 | United States(US) Patent 등록 |
|---|---|
| 국제특허분류(IPC7판) |
|
| 출원번호 | US-0340994 (1989-04-20) |
| 발명자 / 주소 |
|
| 출원인 / 주소 |
|
| 인용정보 | 피인용 횟수 : 380 인용 특허 : 8 |
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 th
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.
A monitor/warranty method for an electrostatographic reproducing machine having at least one replaceable cartridge warranted to produce a predetermined number of images, and an operating system for controlling operation of said machine including job programming means for programming image runs, said
A monitor/warranty method for an electrostatographic reproducing machine having at least one replaceable cartridge warranted to produce a predetermined number of images, and an operating system for controlling operation of said machine including job programming means for programming image runs, said cartridge including an on-board memory for monitoring cartridge use, comprising the steps of: (a) counting the images produced; (b) accessing said cartridge memory to obtain a current image count of the number of images remaining on said cartridge and a predetermined termination image count reflecting the maximum number of images that can be produced by said cartridge; (c) arithmetically updating said current image count with the count of images produced during said run; (d) storing said updated current image count in said cartridge memory; (e) comparing said updated current image count with said termination count; and (f) where said updated current image count is at least equal to said termination count, disabling said cartridge from further use.
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