Step 2Cleaning the soldering iron
Scenario 1: Someone left me with a cold & dirty iron.
This is common in some workplaces / college electronic labs, etc. If the tip of the iron is covered in gunk, it may not heat properly, even if you heat it up, and use the steps listed under Scenario 2. If this is the case, unplug the iron and allow it to cool. After the iron is cool, lightly scuff the surface of the iron tip with 600 grit (or higher) sandpaper until it begins to gain some luster again. You are not trying to remove metal, just the oxidation. (notice the tip of the iron in the provided picture)
Scenario 2: My Iron is dirty from use, but still hot.
Remember that sponge from earlier? All you need to do is set your iron to the side and allow it to heat for a few moments (about 90 seconds is usually sufficient). Once the iron has heated, you'll start to notice some brown deposits on the tip. This is rosin. Simply take your iron, and flick the tip on the wet sponge (WARNING: do not hold the sponge in your hand to do this.)
We're almost done.. but not quite. Procede to the next step.
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