2 paper trays 2 Colour scan Colour scanning Laser technology Laser HP LaserJet M433a, Laser, Mono printing, 1200 x 1200 DPI, Mono copying, A3, White HP LaserJet M433a. Print technology: Laser, Printing: Mono printing, Resolution (maximum): 1200 x 1200 DPI. Copying: Mono copying, Maximum copy resolution: 600 x 600 DPI. Scanning: Colour scanning, Optical scanning resolution: 600 x 600 DPI. Maximum ISO A-series paper size: A3. Product colour: White