Patent ID: 7798622
Filing Date: 2010-09-21
Classification: B41J

Abstract:
1. A cartridge for an inkjet printer, the cartridge comprising: a cartridge body for mounting the cartridge in the inkjet printer, the cartridge body having printer contacts for electrical connection to an electronic controller within the inkjet printer; a plurality of ink storage reservoirs for sealed storage of different inks; a printhead in sealed fluid communication with the plurality of ink storage reservoirs and electrically connected with the printer contacts for receiving print data and power for operation; a plurality of refill ports in sealed fluid communication with each of the plurality of ink storage reservoirs respectively for receiving refill ink; a refill interface positioned on the cartridge body exterior, the refill interface having the refill ports positioned adjacent each other and refill data contacts for connection to complementary contacts on a refill unit when it docks with the refill interface; and an integrated circuit assembly arranged to store information relating to the properties of at least one of the refill ink, the ink stored in the ink storage reservoir and the performance characteristics of the printer cartridge, the integrated circuit assembly being connected to the refill data contacts and the printer contacts, such that the electronic controller adjusts the printhead operation in response to the information provided by the integrated circuit assembly.