Epson TM-m30III Technical Reference Manual page 38

Support and Usage Precautions
When using the USB-PD function and network tethering function, confirm the following precautions and
make sure to fully check and evaluate the operation before use.
• Communication may not be possible even if the smart device is USB-PD compatible.
• Use the genuine cable of the smart device or a USB certified cable to connect the printer to the smart device.
Also, when using a Lightning cable, use an MFi certified cable.
• Charging may not be possible depending on the charging specifications of the smart device.
• Bluetooth communication cannot be used when an iOS device is connected to the printer via the USB-C
connector (USB-PD compatible) and the USB-PD mode is set to [Normal]. In this case, set the USB-PD
mode to [Source Fixed].
USB-PD Mode: Normal
USB connection
Connected
Not connected
USB-PD Mode: Source Fixed
USB connection
Connected
Not connected
• After turning on the printer, wait until the initialization process is complete (about 40 seconds) before
printing or making settings via the USB-C connector (USB-PD compatible).
• We are not liable for any pure economic loss caused by failure to charge your smart device due to failure,
error, or malfunction of the printer.
USB communication
with an iOS device
Possible
Not possible
USB communication
with an iOS device
Not possible
Not possible
Chapter 1 Product Overview
Bluetooth communication
with an iOS device
Not possible
Possible
Bluetooth communication
with an iOS device
Possible
Possible
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