Patent ID: 8764172
Filing Date: 2014-07-01
Classification: B41J,G03G

Abstract:
1. A printing material cartridge attachable to a cartridge attachment unit of a printing apparatus having a plurality of apparatus-side terminals, comprising: a memory device; and a plurality of cartridge terminals adapted and positioned to contact corresponding apparatus-side terminals so that electrical communication is enabled with the printing apparatus, the plurality of cartridge terminals including a plurality of first terminals and a plurality of second terminals, wherein the first terminals are electrically coupled to the memory device and are configured to be applied with a power source voltage and signals for operating the memory device as supplied from the printing apparatus; the plurality of second terminals are adapted for detecting the connection status of the plurality of second terminals with the corresponding apparatus-side terminals to determine the attachment conditions of the printing material cartridge in the cartridge attachment unit, wherein the plurality of first terminals have a plurality of first contact portions located for contacting corresponding apparatus-side terminals when the printing material container is properly attached to the cartridge attachment unit, the plurality of second terminals have a plurality of second contact portions located for contacting corresponding apparatus-side terminals when the printing material container is properly attached to the cartridge attachment unit, the plurality of first and second contact portions are arranged so as to form a first row and a second row, and contact portions of the plurality of second contact portions are located respectively at the ends of the first row and at the ends of the second row.