Patent ID: 9592676
Date: 2017-03-14
CPC Classifications: B41J

Claim:
1. An ink cartridge chip comprising an interface unit, a control unit, and a storage unit, wherein: the interface unit is configured to receive a light control command sent from an imaging device, and the light control command comprises ink cartridge identification information; the storage unit is configured to store autogenic identification information and a state flag, and the state flag comprises an executable state or a non-executable state, wherein the autogenic identification information is information to distinguish different ink cartridge types; the control unit is connected to any light-emitting unit, and is configured to execute the light control command, wherein a type of the light control command comprises a light-lighting-up command or a light-extinguishing command; and the control unit is connected to the interface unit and the storage unit, and is configured to, when the interface unit receives the light control command, control the light-emitting unit to execute the light control command based on the type of the light control command and the state flag in the storage unit; after the light-emitting unit executes the light control command, to re-determined the state flag based on an association relationship between the ink cartridge identification information and the autogenic identification information.