Usually, if you are seeing E31 error on your Canon printer Error E31 then it is because the printer is unable to establish a connection with the computer. This can happen because a lose or worn-out cable connections, so you need to make sure that the cable connections that connect the printer with the computer are attached properly. Make sure the printer is connected to the power source and is close to the computer in which you have set up the printer.
Here we are going to discuss in detail the solutions that you can try to fix Canon printer error E31. However, if you need a technical solution and if the problem is unresolved then get in touch with the Canon printer technicians.