This page shows methods of cleaning various Canon printheads
Heads Using PGI550/CLI551
https://www.youtube.com/embed/ZuXi_V5lTpI
Heads using PGI8/CLI5 : PGI520/CLI521’s : PGI525/CLI526’s cartridges
https://www.youtube.com/embed/ZheZf-vdho8
This page shows methods of cleaning various Canon printheads
Heads Using PGI550/CLI551
https://www.youtube.com/embed/ZuXi_V5lTpI
Heads using PGI8/CLI5 : PGI520/CLI521’s : PGI525/CLI526’s cartridges
https://www.youtube.com/embed/ZheZf-vdho8