Make sure your computer is properly connected to the printer, either using USB or Wifi.Put printer in service mode to use Service tool ST3400 resetter.
Download Canon Service Tool V3400 (ST3400) ResetterĬompatibility: Windows Guide on how to use the Canon service tools v3400 Resetter software Some errors that can be overcome with this resetter are Error B200. This Canon service tool is a program to fix printer problems in various types of Canon printers from the inside, such as resetting, maintenance, and so on.
