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The linked Alfazeta manual has recommendations for very carefully vacuuming the panel.

Wouldn't you just make the picture change a few times to remove dust and that's it? They flip, the dust comes out.

Doesn't dust usually cling to surfaces due to static electricity and, in some settings, presence of grease in the dust?

You can individually remove the discs and use a compressed air cannister, but it's very laborious.