OKI describes the OKI C321DN as a “digital 4 LED full-colour electrophotographic printer”. Yes, we know it’s a mouthful. Let’s just say that the OKI C321DN is a colour laser printer that is specifically designed for home offices, micro offices, and small offices that don’t expect to do a lot of printing. Technically speaking, however, it is worth noting that this is a LED printer and not a laser printer. This simply means that the printer uses LED’s in place of a laser to provide the heat ... Keep Reading