How to type faster on a gas station ticket machine

1. First, turn on the power of the gas station invoicing machine.

2. Next, press and hold the pause button for 3 seconds. The light of the pause button starts to flash. Press and hold the font button to start adjusting the printing speed.

3. Finally, keep pressing until the status of the three lights is off and on (i.e. Song Dynasty High Speed), or off and on "Hei Tai High Speed", that is, the high speed state is selected.