1. Each Original HP Cartridge should indicate on the packaging whether it is an ink Cartridge or LaserJet toner Cartridge

2. With a yield of up to 5,900 sheets, this Canon Cyan high-capacity toner cartridge is ideal for offices with high-volume printing requirements and looking to reduce the frequency of replacements.

3. The present invention relates to a device for automatically and manually supplying toner to a toner cartridge, and the device comprises: a DC adaptor (100); a residual toner detection sensor (200); a control means (300); a toner container (400); an air pump (500) for pumping the toner of the toner container (400); a three-way valve (600) connected between the toner container (400) and the air pump (500) so as to supply or block air to the toner container (400); and a toner hose (700) for transferring the toner of the toner container (400) to a toner cartridge.