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Appendix
Printing communication protocol
• LP, LPR: Transfers printing data
• TCP Socket Port: Transfers printing data and printer status via bidirectional direct socket communication.
LP, LPR
Socket communication
For Ethernet interface
Communication specifications
10BASE-T/100BASE-TX
For Wi-Fi Interface
• Max. simultaneous connections: 6
• Number of connections for which printing is available: 1 (occupied until the connection is
released.)
• Time out: 90 seconds (changeable)
• Job cancel: Not available
• Banner printing: Not available
• Port type TCP communication port for direct
printing
• Port number 9100
• Port communication direction bidirectional
• Max. simultaneous connections 6
• Number of connections for which printing is available 1 (occupied until the connection is
released.)
• Time out: 90 seconds (changeable)
• Countries where Wi-Fi can be used are limited. Since notes are provided for each country, check the
sheet supplied with the product.
• When using wireless LAN, make sure you disconnect the LAN cable. If a LAN cable is connected,
wireless LAN is disabled.
• The combinations of wireless LAN cable set and firmware version you can use with this product are
as follows.
You can perform a firmware update by using the TM-m30II Firmware Updater if using a Windows
computer, or by using the Epson TM Utility if using a smart device. For details, see "Utilities" on
page 84.
Wireless LAN Cable Set Firmware Version
OT-WL02 3.03A ESC/POS or later
OT-WL05 3.03B ESC/POS or later
OT-WL06
3.03A ESC/POS or later
3.03B ESC/POS or later
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