topic Re: error code 0x3401 Instalation Fail for my TR4720 in Desktop Inkjet Printers

error code 0x3401 Instalation Fail for my TR4720

chlobear — Sat, 10 Jan 2026 22:17:53 GMT

what it says on the tin, my mp drivers fail to install and i can never finish the set up process. printer used to work just fine before- ive tried everything- help!!

Re: error code 0x3401 Instalation Fail for my TR4720

DerrickL — Sat, 10 Jan 2026 23:10:18 GMT

I suggest you follow this video guide and if necessary start from here by downloading the latest software for your printer: https://www.usa.canon.com/support/p/pixma-tr4720

https://www.youtube.com/watch?v=WvVmMiU69Rk

Re: error code 0x3401 Instalation Fail for my TR4720

chlobear — Sun, 11 Jan 2026 00:01:59 GMT

thank you for the fast reply! sadly, it says that the printer is online but will not print and will not finishing installing. installer for the mp drivers error out with "installation failed" 😞

Re: error code 0x3401 Instalation Fail for my TR4720

chlobear — Sun, 11 Jan 2026 15:18:25 GMT

OK I FIXED IT!!! i changed the port it was hooked up to in the print settings (lp1 to w something something) and then i left the whole thing unplugged overnight and i tried to print, said that the printer was unplugged while still on and to repair the connection!! heres the link that canon brought me to that fixed it!!

https://ij.manual.canon/ij/webmanual/WebPortal/PTA/pta_dl.html?lng=en&type=app-gd&app=nwds&lapp=pd&los=W&os=w&osver=10.0&osarch=1