Patent ID: 6935716
Filing Date: 2005-08-30
Classification: B41J

Abstract:
1. An ink jet recording apparatus comprising: an ink cartridge mounting portion for mounting an ink cartridge for containing ink to be supplied to an ink jet head, said ink cartridge being detachably mountable to said ink jet head, wherein said ink cartridge includes an information memory medium storing predetermined information, and wireless sending means for wireless sending of the predetermined information stored in said information memory medium to said ink jet recording apparatus within a predetermined limited range, wherein said mounting portion of said ink jet recording apparatus is provided with wireless communicating means for wireless receipt of the information sent from said wireless sending means of said ink cartridge, and wherein said predetermined limited range is such that communication between said wireless sending means and said recording apparatus is not possible if said ink cartridge is not properly mounted to said mounting portion of said recording apparatus, wherein said ink jet recording apparatus further comprises: electric power supplying means for supplying electric power to said ink cartridge through electromagnetic induction; electric power control means for permitting supply of the electric power to said electric power supplying means at a predetermined timing; and error discriminating means for discriminating a mounting error upon failure of a wireless reception of the information by said wireless communicating means when the electric power is supplied thereto.