Samsung SCX-6545N, Laser, 1200 x 1200 DPI, Mono copying, Mono scanning, A4, Grey Samsung SCX-6545N. Print technology: Laser, Maximum resolution: 1200 x 1200 DPI. Copying: Mono copying, Maximum copy resolution: 600 x 600 DPI. Scanning: Mono scanning. Maximum ISO A-series paper size: A4. Product colour: Grey