What most naturally follows?

How to clean a cd player
Confirm there is no cd in the player.
If the cd drive is tray-loaded, open the tray and disconnect the power cable without switching it off from the power button. This will leave the tray open, allowing you access to the slot.
Blow away dust with a handheld air bulb. These rubber bulbs are sold as dust blowers in places that stock cameras or jeweler's equipment.