Turn on the machine first, and then follow the on-screen instructions to complete the initialization of the machine. After the initialization is completed, do not move the paper pusher, and directly measure the distance between the cutter and the paper pusher. Find the "function key" on the machine and click it, then select "setting mode", and then enter the password to successfully enter the "setting mode". At this time, there are three options displayed on the machine. We need to select the "Set Machine Benchmark" option, enter the value of the distance between the previously measured cutter and the paper pusher into the "New Benchmark", and press the "Confirm" option to confirm the input . After that, press the "function key" to exit the "set machine reference" screen. After shutting down and restarting, the modification is completed.