The Starink Compatible Canon GI-21 Ink Refill Bottles are high-quality replacement ink bottles designed for Canon MegaTank printers, including the PIXMA G1220, G1230, G2260, G2270, G3260, G3270, G3272, G3290, G4270, and G4280. Each set includes 140 ml of black ink and 70 ml of each color, delivering consistent ink flow, vibrant color reproduction, and sharp text for high-volume home, school, and office printing.

Buying Guide

Before ordering, make sure this Canon GI-21 refill bottle set is compatible with your MegaTank printer.

1. Check your printer model. Verify that your printer is listed in the Compatible Printers section below.
2. Confirm the ink series. Ensure your printer requires Canon GI-21 ink bottles. Note that the GI-21, GI-20, and GI-16 are different series and are not interchangeable.
3. Enjoy easy refilling. These bottles feature a specialized nozzle that fits directly into your MegaTank printer for hassle-free, chip-free refilling.

Compatible Printers

Our Canon GI-21 ink bottles work flawlessly with the following Canon MegaTank printer models:

Bottle Volume

Keep your tanks full and ready for demanding workloads. These high-capacity refill bottles provide outstanding output equivalent to the OEM:

• 140ml per Canon GI-21 Black ink bottle.
• 70ml per Canon GI-21 Color (Cyan/Magenta/Yellow) ink bottle.

What's in the Box

This convenient 4-pack provides a complete refill solution for all your printer's color reservoirs:

• 1 x Compatible Replacement for Canon GI-21 Black ink bottle (140ml)
• 1 x Compatible Replacement for Canon GI-21 Cyan ink bottle (70ml)
• 1 x Compatible Replacement for Canon GI-21 Magenta ink bottle (70ml)
• 1 x Compatible Replacement for Canon GI-21 Yellow ink bottle (70ml)
• 1 x User Guide

How to Refill

1. Open the printer's tank cover and remove the cap of the tank you want to refill.
2. Uncap the new GI-21 ink bottle and insert the nozzle directly into the matching color port.
3. Allow the ink to flow. The auto-stop nozzle will prevent overfilling once the ink reaches the maximum fill line. Squeezing is generally not required.
4. Remove the bottle and replace the tank cap securely before closing the printer cover.
5. Run a quick nozzle check from your printer settings to ensure proper ink flow.

Usage Scenarios

• High-Volume Home Printing: The G3270 and G3290 are built for bulk printing — a 140ml black bottle and 70ml color bottles keep the tanks full through months of everyday documents.
• Home Photo Output Printing: Vivid cyan, magenta, and yellow refills support the color photo printing capability of the G3270 and G4280 for family snapshots and casual prints.
• All-in-One Workflows Printing: The G3270, G3272, and G4270 support print, scan, and copy functions — this 4-bottle set keeps all three running without repeated visits to the store.
• Small Business Document Printing: The G4280's larger ink capacity and ADF support make it a practical office machine — this ink set sustains that output affordably.
• Student & Household Printing: Refill once and print for months — the MegaTank system is designed for households that print regularly and want fewer interruptions.
• Color Projects & School Materials Printing: Consistent cyan, magenta, and yellow output for worksheets, poster projects, and simple creative printing on the G2260 or G2270.

Comparison: Starink vs. OEM Canon GI-21