In the case of Genia’s scanner, it is using far-infrared radiation in the terahertz band. Terahertz radiation is at the extreme high end of infrared; almost microwave, in fact.

Over time, the printer's scanner window and corona wire also get dirty, and this may affect print quality. Brother recommends that you regularly clean the printer's exterior and interior to ...

Yes, laser cutters that come off the slow boat from China are more affordable than ever, and with some tweaks and hacks they can turn out some decent results. But if you just want a laser lightshow… ...