Having recently installed a new Windows PC I'd installed an Epson printer (SX515W). The printer itself was connected via wifi and behaving apart from one thing. It wasn't displaying the ink levels when checking them in Epson Status Monitor (e.g. when sending a document to print). Instead, you just see the message "Searching…"1 and eventually get a Communication Error.
In my experience, printer manufacturers do seem to want to install a vast number of clunky utilities, setup helpers and other cruft, so I'm always wary about just installing everything just to get the thing running.
Anyway, this post gave me the easy fix: install Epson's Network Utility.
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That message made me revisit a favourite track from 2013. ↩