o0CosmoMemory0o
100+ Head-Fier
Use no cleaning fluids on an assembled capsule or bare capsule. I use a very slightly damp anti-bacterial to wipe down all parts separately. I make sure it is almost dried out before using it anywhere near the actual capsule. When I do, I wrap the thin cloth tight around my index finger and wipe areas softly. The slight dampness picks up any crumbled foam residue and clears marks from the driver cover. Apart from this though, the rest is best left alone. I could have written off loads of HD540IIs if I got too over-zealous.