HP LaserJet Enterprise Flow M528z. Print technology: Laser Printing: Mono printing Maximum resolution: 1200 x 1200 DPI. Copying: Mono copying Maximum copy resolution: 600 x 600 DPI. Optical scanning resolution: 600 x 600 DPI. Faxing: Mono faxing. Maximum ISO A-series paper size: A4. Direct printing. Product colour: Black White