Patent ID: 9108419
Filing Date: 2015-08-18
Classification: B41J

Abstract:
1. An ink cartridge chip, comprising an interface unit and a control unit, wherein the interface unit is connected to an image forming apparatus and used for receiving a light control instruction sent by the image forming apparatus, the light control instruction comprising a light-on instruction or a light-off instruction, both the light-on instruction and the light-off instruction comprise ink cartridge identification information, and the light-on instruction is used for indicating the illumination of a light-emitting unit connected to the control unit; and the control unit is used for controlling whether to execute the light control instruction according to the state of the ink cartridge chip when the interface unit receives the light control instruction, and updating the state of the ink cartridge chip according to predetermined triggering conditions which relate to the ink cartridge identification information in the light control instruction, wherein the states of the ink cartridge chip comprise an executable state and a non-executable state.