In your new pictures, your first picture may show a very small amount of leaf spotting fungus. That kind of fungus doesn't harm the orchid. Here in Florida, we grow outdoors, and almost every orchid has a little bit of that on the leaves. If you want to use Physan on it, that's fine, but it's not necessary unless it starts getting much worse. If there's a way to increase air movement in the growing area, that can help, and leave a little room between plants so air can move. Also make sure the leaves are dry by nightfall. Wet leaves at night encourage fungus. It's nothing to worry about at the moment.
The second new picture looks to me like an orchid that's getting more light than it's used to. The sun is growing stronger as we get into spring and several of my orchids have lots of that purple color on them from increased light. Usually the plant will get accustomed to the increased light and will grow better because of it. Just keep an eye on the orchid. If you start to see a burnt area that looks brown and dead, then it's getting too much light. But the purple tinge usually means it's getting good strong light and it will probably adjust. If you want to put it in a place with slightly less light, it's OK, but I would be inclined to let the plant try to adjust to the light. It should have some protection from direct mid-day sun though.
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