I do two things. I have a Honeywell HEPA air cleaner that also has a carbon impregnated, cleanable/replaceable pre-filter. It runs on low speed 24/7 in the little studio. I think it helps significantly. There’s rarely ever any visible dust on equipment.
The second thing I do is take a hand held Dyson 11 vacuum w/ HEPA filter and hand vacuum the feed mechanisms on my printers. And I hand vacuum-dust the entire small studio. Everything, thoroughly, at least once per week: computers, monitors, UPS, all horizontal spaces, shelves, etc. While I’m doing this manual cleaning, I have the Honeywell running in “Turbo” mode that really moves large volumes of air. Afterward, I clean the pre-filter on the Honeywell.
I’ve never had issues with dust/dirt contamination in printing, using this routine.
I also have a battery operated “blower” and each and every sheet (and roll prior to loading) gets thoroughly blown off to get rid of any possible clinging dust particles.
Rand