How to refill PGI570/CLI571 - PIXMA MG 5700/5750/5751/5752/5753/6800/6850/6851/6852/6853 - YouTube
Compatible 20 Ink Cartridges with Chip and Level Indicator with Canon PGI-550 / CLI-551 for Canon Pixma IP-7200 IP-7250 IX-6800 IX-6850 MG-5400... on OnBuy
Canon : PIXMA Manuals : MG6800 series : Replacing Ink