Patent ID: 9302486
Filing Date: 2016-04-05
CPC Classification: B41J

Claim Text:
1. An ink cartridge for an inkjet printer, the inkjet printer comprising a first sensor which comprises a first light transmitting portion and a first light receiving portion, and a second sensor which comprises a second light transmitting portion and a second light receiving portion, the ink cartridge, comprising: an ink reservoir for storing ink, an ink outlet for supplying ink to the printer, and an installation detection component coordinated with the printer to detect whether the ink cartridge is successfully installed, the installation detection component including: a first signal blocking portion disposed at the front upper end of the ink cartridge and a second signal blocking portion disposed on a light shield plate at the front central end of the ink cartridge, wherein the first signal blocking portion can block light from the first light transmitting portion and the second signal blocking portion can block light from the second light transmitting portion, a controller, a connecting circuit, and a light-emitting portion disposed on the light shield plate of the ink cartridge and connected with the controller through the connecting circuit, wherein the controller is configured to control the light-emitting portion, after the second signal blocking portion blocks light from the second light transmitting portion, to emit light, the light emitted by the light-emitting portion is then received by the second light receiving portion, to determine whether the installation is successful, and wherein the controller controls the light-emitting portion automatically.