Modifying Canon inkjet cartridges for Top-fill refilling

Guide to show how to expose and open up the original fill hole in Canon inkjet cartridges, and demonstrates the options available to plug/seal it again after refilling. Find our Canon compatible refill bundles on: http://www.octoinkjet.co.uk/ NOTE: This video is NOT a complete guide to refilling a Canon inkjet cartridge. The process of chip resetting, refilling and/or troubleshooting are not included.