Make sure that you use filtered water! This may help you avoid calcium build-up in your iron, which could clog the steam spouts.

The heat levels are often listed in relation to a certain type of fabric. For instance, cotton responds well to high heat and steam, but some synthetic fabrics might melt or fuse if they’re exposed to such temperatures. Do not use an inappropriate setting! Start with a low heat and work up. If you are ironing more than one item, start with the one that uses the lowest setting on the iron. This way, you won’t need to let the iron cool down before you continue. [4] X Research source

Iron each individual part of the garment separately. For instance, if you’re ironing a dress shirt, smooth out the collar, then the cuffs, then the sleeves, then the shoulders, then the placket – and, finally, the main body of the shirt. [6] X Research source Do not let the iron rest directly on the garment, lest the fabric overheats. If you are careless with the iron, you might start a fire!