ELECTRONIC PATCH FOR REFURBISHING A USED PRINT CARTRIDGE

摘要

Devices and methods for refurbishing a used print cartridge for further use in a printing device are provided. An electronic patch is attached to a circuit on the used print cartridge. The electronic patch includes contact pads that are positioned to correspond to the location of contact pads on the circuit of the used print cartridge. The electronic patch also includes a control chip and an embedded memory array that replaces one or more functions of the memory on the used print cartridge, allowing the used print cartridge to be refilled with printing ink and reused in a printer.

主权项

1. A method of operating a remanufactured print cartridge, the remanufactured print cartridge having a print head, a cartridge circuit with at least one non-functional circuit element, and an electronic patch assembly added to the print cartridge during remanufacturing, the electronic patch assembly including a replacement circuit element for replacing the at least one non-functional circuit element of the cartridge circuit, the method comprising:
receiving information signals from a printing device; routing the information signals to the replacement circuit element; receiving operating signals associated with operation of the print head from the printing device; and operating the print head in response to the operating signals without intervention by the electronic patch assembly.