Chapter 11-431.7.2.2 Ink Tank 0013-18861. Unpacking the Ink TankDo not unpack the ink tank until you are ready to install it.When installing the ink tank, be sure to shake it slowly 7 to 8 times before unpacking it. Otherwise, the ink ingredients may precipitate and degrade the printquality.To prevent foreign matter from entering the ink port, installed the unpacked ink tank in the printer immediately.2. Handling the Ink TankTo prevent foreign matter from entering the ink flow path and causing ink suction and printing problems, never touch the ink port and contacts of the ink tank.When you press down the ink tank lock lever, the needle enters the ink port, allowing ink to flow between the printer and ink tank.Do not raise or lower the ink tank lock lever except when replacing the ink tank.F-1-30T-1-261.7.2.3 Handling the Printer 0017-46571. Precautions against Static ElectricityCertain clothing may generate static electricity, causing an electrical charge to build up on your body. Such a charge can damage electrical devices or changetheir electrical characteristics.In particular, never touch the printhead contacts.[1] Ink tank[2] Ink tank lock lever[3] Ink port[4] Contacts[4][3][1][2]