Top Fill Refilling Canon PGI-550, CLI-551 and related cartridges This video guide describes the process for modifying an Canon OEM/Original CLI-551 XL cartridge for refilling using the Top-Fill method...
Canon PGI-550/570 – CLI-551/571 kit options and confusion Since the Canon desktop printers came out with the newer cartridge and chip design we’ve been getting somewhat caught up...