All my neighbours are in printer's access list except my MikroTik 751U-2HnD.
All phones and tablets connect to MikroTik router except Epson XP-330.
Why? What is wrong that makes router invisible?

Try setting channel width to 20MHz.

Try setting channel width to 20MHz.

thank you. it helped me a little, but full set of WiFi settings are below. security profile settings are important too.