For mineral buildup on metal ice-making rods in a countertop ice maker, Endres recommends soaking a cloth in vinegar and wrapping it around the affected parts for 10–15 minutes, then wiping clean.

If your ice maker has an On/Off option, turn it off before you clean, so it’s not producing ice while you’re deep cleaning its components. If your ice maker doesn’t have an accessible On/Off ...

The manual that came with your ice maker should give you a timeframe, but most machines should be cleaned with a cleaning agent (more on that below) at least every 3-6 months if you use it daily ...