Make settings to connect the iPad to the receipt printer.
The illustration used is of the TM-m30III-H.
Make sure the receipt printer is turned off.
Connect the AC cable to the AC adapter.
Connect the DC cable of the AC adapter to the power connector.
Connect the iPad to the receipt printer with a USB cable.
Be sure to use a genuine iPad cable or a USB-certified cable for the connection. Also, if you are using a Lightning cable, use an MFi-certified cable.
USB-A - Device Charging allows data communication while charging the iPad.
The USB-C connector (USB-PD compatible) allows data communication while charging the iPad.
Connect the plug on the AC cable to the outlet.
Turn on the receipt printer.
For more details about receipt printers, see the user's guide for the product.