Product name:KSUMEI Table Inkjet Printer Cartridge refill ink 6pcs for HP Color parameters:Black/Cyan/Magenta/Yellow Volume:100 ML × 6 Using tips? The original ink cartridge chip was designed as one-time serial number detecting.If the ink capacity of the ink cartridge is used up, serial number will finished detect,the chip will be locked,the ink cartridge can no longer detect the chip and print,so before filling ink make sure there is some ink left in the cartridge. 2.Before refilling ink to the cartridge, please turn off the chip information on the printer before the ink is used up. 3.After refill ink, install the ink cartridge, ink capacity of the cartridge cannot be reset,printer will prompt low ink level warning,but the ink capacity in the cartridge is sufficient, do not affect the normal printing.ingestion. Maintenance recommendations: 1. Canon compatible refill ink shelf life is generally two years, ink storage requirements sealed, avoid direct sunlight, temperature should not be too high or too low (normal room temperature can). 2. Ink should be stored in a cool and backlit place, in cartons or containers of other materials, and stored separately to avoid debris accumulation and damage caused by overloading. 3. Ink composition is particularly volatile, ink must be sealed and stored.