Epson TM-T88VI-iHUB, Reference Manual

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Notes on Wi-Fi connection
Because not all the combinations of the printer and Wireless LAN units have been checked for operation, the
operation of the printer in combination with all the Wireless LAN units is not guaranteed. Especially in the ad-
hoc mode, the printer may not operate normally, depending on the combination of the device to connect with.
Be sure to carry out evaluation of the operation before use.
Notes on use

When you initialize or change the printer settings, the printer is reset to reflect the settings. It may take about
1 minute depending on the network settings or environment. Also, your application may indicate power off
during the time waiting for reset. In that case, wait for about 1 minute, and then reconnect to the printer.

Where Wi-Fi communication is in heavy traffic, your application may falsely recognize that the
communication is disconnected and indicate power off due to response delay. In that case, disable Power
Save to improve the trouble.
NFC Tag
Transmission standard ISO14443 A
Frequency 13.56 MHz
Resonance frequency 14.30 Hz±0.55 MHz
Memory 144 byte
Transmission distance Approximately 10 mm from the NFC installation location.

The transmission distance is an estimate that depends on our experiment conditions and is not a
guaranteed value.

It varies based on the installation environment and target device.