My Epson ET-4850 was working fine with WiFi, then suddenly this error appeared. What could have caused this?

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Grade: Education Subject: Support
My Epson ET-4850 was working fine with WiFi, then suddenly this error appeared. What could have caused this?
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Sudden WiFi errors can be caused by several factors. A change in your router's settings (like the security protocol or SSID), interference from other devices, a power surge affecting the printer, or a temporary issue with your internet service provider could all be responsible. Check your router settings and internet connection first.