Canon Knowledge Base - Install an Ink Cartridge - PIXMA MP280, MP495, or MP499
Unable to install ink cartridge error 168A tr4520 - Canon Community
How to Replace an Empty Ink Cartridge in the Canon PIXMA TS3520 Wireless All-in-One Printer – an Illustrated Tutorial in 11 Steps – Replacethatpart.com
Canon Knowledge Base - Replace an Ink Cartridge - PIXMA TR4520, TR4522
PIXMA MG2420/MG2520: Setting the ink tanks - YouTube
Canon Knowledge Base - Replace ink cartridge(s) MP470