Epson TM-T20II UB-R04 Technical Reference Guide - Page 20

Limitations

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Limitations Limitations for the TM printer • AC adapter connection (Note about TM-U200, TM-U210) When combining and using the TM-U200 or TM-U210 and the UB-R04, the PA, PB series AC adapter packed with the TM-U200 and TM-U210 cannot be used. Use the PS-180. • Be sure to use the connector cover with the UB-R04 to avoid malfunction due to electrostatic discharge when it is installed in the TM-T90 or TM-L90. Limitations for wireless communication • The transmission of the radio waves cannot be stopped. The only way to stop the transmission of radio waves is to turn the TM printer off. • For other limitations, see the cautions in "Countries Where This Product Can be Used" on page 18. • When setting the encryption type, there are the following restrictions: • WPA/WPA2-PSK is not available in the Ad-Hoc mode. • When using the UB-R04 in the Ad-Hoc mode, printing a dynamic status sheet is subject to the following restrictions: • Even if there is no host computer to connect to, "Connect" appears as the Link Status. • Between power-on and the time when the printer to connect is found, "0dBm" appears as the Signal Level. If the host computer connected to the TM printer discontinues communication, the value that had been obtained immediately before discontinuation of communication is held appears. • W53 and W56 channels are not available to connect to a stealth SSID access point. • For combination with wireless LAN devices, in the Ad-Hoc mode, the printer may not operate normally (wireless connection may frequently be disconnected or connection may not be possible), depending on the combination of the device to connect with. In that case, consider the following: When setting up: If wireless connection is not possible and an IP address cannot be set, set using another PC or the USB connection. When printing: For more stable printing, it is recommended to use the infrastructure mode. Limitation for customer display use When the UB-R04 is connected, the DM-D connector on the TM unit cannot be used. 20

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20
Limitations
Limitations for the TM printer
•
AC adapter connection (Note about TM-U200, TM-U210)
When combining and using the TM-U200 or TM-U210 and the UB-R04, the PA, PB series AC adapter
packed with the TM-U200 and TM-U210 cannot be used. Use the PS-180.
•
Be sure to use the connector cover with the UB-R04 to avoid malfunction due to electrostatic discharge
when it is installed in the TM-T90 or TM-L90.
Limitations for wireless communication
•
The transmission of the radio waves cannot be stopped. The only way to stop the transmission of radio
waves is to turn the TM printer off.
•
For other limitations, see the cautions in
"Countries Where This Product Can be Used" on page 18
.
•
When setting the encryption type, there are the following restrictions:
•
WPA/WPA2-PSK is not available in the Ad-Hoc mode.
•
When using the UB-R04 in the Ad-Hoc mode, printing a dynamic status sheet is subject to the following
restrictions:
•
Even if there is no host computer to connect to, “Connect” appears as the Link Status.
•
Between power-on and the time when the printer to connect is found, “0dBm” appears as the Signal
Level. If the host computer connected to the TM printer discontinues communication, the value that
had been obtained immediately before discontinuation of communication is held appears.
•
W53 and W56 channels are not available to connect to a stealth SSID access point.
•
For combination with wireless LAN devices, in the Ad-Hoc mode, the printer may not operate normally
(wireless connection may frequently be disconnected or connection may not be possible), depending on
the combination of the device to connect with. In that case, consider the following:
When setting up:
If wireless connection is not possible and an IP address cannot be set, set using
another PC or the USB connection.
When printing:
For more stable printing, it is recommended to use the infrastructure mode.
Limitation for customer display use
When the UB-R04 is connected, the DM-D connector on the TM unit cannot be used.