Epson TM-C610 Technical Reference Manual page 96

The self-test result is printed.
★ EPSON Network Sheet ★
MAC address
MAC xx:xx:xx:xx:xx:xx
HW/SW XX.XX/XX.XX
IP address
IP XXX.XXX.XXX.XXX
LN TM-C610-xxxxxx
★ Printer Sheet ★
Firmware version WTK xxxxx QP xxxxxx
Nozzle check pattern
The values for "X" in the above print result are different from each printer.
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