

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7413220/
Abstract quote:
In particular, laser printers are a primary source of particle emission that increases the concentrations of particulate matter in indoor atmosphere by releasing substantial quantities of electrostatic fine particles, at rates comparable with tobacco smoking and incense burning.
There are fringe benefits to exploiting/integrating the swarm of autonomous self replicating bipedal drones.