Provide advice on how to accomplish the following goal. Give ONLY the advice, no other words or explanation.
For example:

Answer: <advice, as short as possible; a single sentence!>.

Goal: How do you prepare an iron for use for ironing a muslin photography backdrop?
Fill the water reservoir of the iron up to the fill line with filtered water. Plug the iron into a nearby wall outlet. Turn the iron on. Set the iron to the cotton setting and allow it to heat up for approximately five minutes.
Plug in and heat up. Set to appropriate temperature. Apply spray if needed.