Epson Javascript SDK Print Parameter Error?

I am using epson epos javascript sdk for printing receipt in TM-T82III ethernet printer. I have configured the printer ip address and other settings using EpsonNetConfig. But every day I need to open the printer ip address in browser url (no need to give signin details) before starting print , other wise I will get a connection refused error. I am missing any other configuration. I have downloaded the sdk version epos-2.17.0

Epson Javascript SDK Print Parameter Error?

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