Product Name: Omera Compatible Refill Bottle Ink Replacement for Canon GI-21 GI21 Black Dye Ink Product Brand: Omera Ink Type: Printer Dye Ink Page Yield: Black Ink up to 8300 Pages (At 5% coverage on A4 paper) Ink Capacity:135ml Black Ink, 3-Pack Total 405ML Applicable Model: ? Canon G3260 All-in-One Wireless Supertank (Megatank) Printer ? Canon G2260 All-in-One Wired Supertank (MegaTank) Printer ? Canon PIXMA G1220 Single Function MegaTank Inkjet Printer Due to bottleneck design issues, the modified products are also compatible with the following Printers, Canon PIXMA G5020 G6020 G7020 MegaTank Printers for GI-20 ink Canon PIXMA G620 Wireless MegaTank Photo All-in-One Printer for GI-23 ink Note: ? Please use the ink ASAP after opening, Please keep it in a cool dry place, avoid direct sunlight, and Keep out of reach of children. ? When using the printer, be sure to shut it down normally.Sudden power failure will cause the print head to not return to the protection compartment. ? Inkjet printers are recommended to print 1-2 times a week. If you do not print for a long time, the ink will dry and block the print head, resulting in poor printing results. ? Avoid printing continuously for a long time. This will cause the print nozzle to overheat, affecting its life and print quality. ? It is recommended not to add ink below the ink warning line, because if it is below the ink threshold, air will easily enter and cause poor printing results