Troubleshooting a 121.24 fuser error code

Issue description

The printer will post a 121.24 error if its fuser never reached the fuser detection temperature. This could happen if the printer is not connected to a proper voltage outlet.

Solution

To resolve the error, make sure to connect the printer directly to a power outlet that matches its required voltage rating. See the sticker label from the back of the printer to verify the device’s required voltage rating.

Verify the voltage requirement of the printer by checking the sticker label from the back of the printer.