Hello everyone.
I also have this issue on two devices KyoceraM3550idn in my network.
I try:
1. Facroty reset in service;
2. Update firmware for latest versions 2NM_2000.007.124 2019.03.01 in my case;
3. Try to create and enable different accounts (not only Admin);
4. Open case in Kyocera (waiting for an answer);
5. Try to change security settings in browser and printer;
I have this ussue F24C only in Google Chrome (any versions) other browsers works fine (Edge, IE, Firefox);
I think there is some problem in network, but if random users have the same problem i think it is a problem in some devices (some models of printers) and their firmware or compatibility with browsers and request.
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