canon printer is one of the main emblem in printer category and largely used at houses and small workplaces. Every now and then customers face hassle where canon printer continually showing offline, however easy & easy solutions are available to take away this error. so if your canon pixma ts6420 offline then follow the instructions given on this manual.
Why Canon PIXMA TS6420 Offline? What are the steps to bring it back online?
Just follow the steps below