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Chapter 1 Product Overview
USB-PD and Network Tethering
USB-PD Function
USB-PD stands for USB Power Delivery, the name of the standard for power supply using USB. The USB-C
connector (USB-PD compatible) of this product can supply up to 18 W.
How to Use the USB-PD Function
By connecting your USB-PD compatible smart device to the USB-C connector (USB-PD compatible) of the
printer, you can use the smart device while charging it.
The USB-C connector (USB-PD compatible) of the printer has the following operation modes. Change the
operation mode if necessary according to your smart device.
The operation mode setting can be changed using Epson TM Utility (for iOS/Android), TM-m30III Utility (for
Windows), or in the software setting mode of the printer.
When using Epson TM Utility
Change the setting in [Change Printer Settings] - [USB-PD Mode].
When using TM-m30III Utility
Change the setting in [Advanced] - [Interface] - [USB-PD Mode]. See the TM-m30III Utility User's Manual for
details.
When using the Software Setting Mode of the Printer
Change the setting in [3. Customize Value Settings] - [10. Interface Settings] - [13. USB-PD Mode].
See "Software Settings" on page 65 for more details.
Setting Explanation
Normal (initial setting) Allows power supply to and communication with a smart device connected to the USB-C
connector (USB-PD compatible).
Source Fixed mode Allows only power supply to a smart device connected to the USB-C connector (USB-PD
compatible). Therefore, the network tethering functionality cannot be used.
Select this mode if you want to supply power to an iOS device while connecting to it via
Bluetooth.
Sink Fixed mode Allows only communication with a smart device connected to the USB-C connector (USB-PD
compatible). Therefore, the device cannot be charged.
Select this mode when communicating with Android or Windows devices that do not
support USB-PD.
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