Switch USB-C Function (Power supply/Communication)
Change the printer operation (USB-C function) when a USB device is connected to the USB-C port to “Power Supply + Communication, Communication Only, or Power Supply Only.”
The default setting is “Power Supply + Communication.” When an Android device or a Windows/macOS device that supports USB PD (USB Power Delivery)* is connected, power supply and communication are performed simultaneously.
*USB PD (USB Power Delivery):
Standard for power supply using USB
Users of Windows/macOS device
Switch the USB-C function when all of the following conditions are met.
- You want to use the printer via USB communication.
- The USB-A port is not installed to the host device.
- Communication cannot be performed even when the host device and printer are connected with a USB cable (C-C).
- Set “Communication Only Mode.”
When using for charging only without USB communication
- Set “Power Supply Only Mode.”
It is convenient to use the dedicated app for settings.
To use the app, download and install Star Quick Setup Utility.
Use App
If you do not use the dedicated app, follow the procedure below to configure the settings.
Setup procedure
1. Turn power on
- Press the Power button on the right side of the operation panel on the front of the main unit. Turn On Power
2. Open the printer cover
- Pull the opening lever to open the printer cover.
3. Setup the USB-C function
- Press the Multi-Function button
until the POWER LED begins flashing red 
(for 5 seconds or longer), and then close the printer cover
.
- When the Multi-Function button is pressed and released
, the LED display changes
.
Select the USB-C function to set.
Selecting the USB-C function setting according to the LED
- Press and hold down the Multi-Function button for 1 second
to save the selected function.
The change of the setting completes when the LED indicators return to the normal
.
