Samsung CLP-620ND, Laser, Colour, 9600 x 600 DPI, A4, 20 ppm, Duplex printing Samsung CLP-620ND. Print technology: Laser, Colour. Maximum duty cycle: 65000 pages per month. Maximum resolution: 9600 x 600 DPI. Maximum ISO A-series paper size: A4. Print speed (black, normal quality, A4/US Letter): 20 ppm, Duplex printing. Network ready https://www.trustedreviews.com/reviews/samsung-clp-620nd-colour-laser-printer A couple of weeks back we reviewed the Samsung CLX-6220FX colour laser multifunction printer. The CLP-620ND, reviewed here, is a single-function printer, based on the same print engine as that machine. It's intended for a small business or a workgroup wit...