[. . . ] Also be sure to follow all warnings and instructions marked on the printer. [. . . ] Use up the ink cartridge within six months of installation for best results. Do not touch the ink supply port or its surrounding area and the green IC chip on the side of the ink cartridge. Caution : Cautions must be followed to avoid damage to this product or bodily injury. In addition, more room is required for the rear of the printer when printing under specific conditions. Choose a flat and stable location that can support the printer weight (about 52 kg). Operate the printer under the following conditions: Temperature: 10 to 35°C (50 to 95°F) Humidity: 20 to 80% without condensation Even the conditions above are met, you may not print properly if the environmental conditions are not proper for the paper. [. . . ] If this dialog box appears, make sure the publisher is SEIKO EPSON, and then click Unblock. [. . . ]