Hi Suzzy Q,
That Janome isn't vintage, but that's OK. All sewing machines need oiling, but these newer, drop-in bobbin machines don't need it like a front-loading oscillating hook system. You can remove the needle plate, then remove the bobbin case, and clean the lint out. Then, while you're in there, you can oil the feed dog linkage and put some oil in the center hole under the bobbin case. You can also open the end cap (left side) and oil the take-up linkage and needle bar (which is notorious for freezing-up on that particular machine). You can also open the service panel on the bottom, clean that out, and oil wherever metal rubs on metal. You can remove the top lid, then remove the set-in top of the machine to get to the upper shaft -- oil both ends and the crank that connects to the lower shaft. Sewing machines are machines, and machines need oil. A machine like yours would be happy with being oiled once or twice a year. Your machine is harder to get inside, than the old mechanical machines -- you have to be careful not to disconnect any circuit board cables. If you just clean the bobbin area after every-other project, that makes a big difference in stitch quality and overall performance.