The manual feed slot (single sheet) supports envelopes, labels, and cardstock up to 163 g/m². However, it is picky. Do not use glossy photo paper—this is a laser printer, and glossy inkjet paper will melt inside the fuser.
Instead of hiding the power toggle on the back panel, Samsung placed it front-and-center, encouraging users to quickly drop the machine into an energy-saving standby state. 3. Whisper-Quiet Engine samsung ml 1670