Canon i-SENSYS MF6550, Laser, 600 x 1200 DPI, Mono copying, Color scanning, Mono faxing, A4 Canon i-SENSYS MF6550. Print technology: Laser, Maximum resolution: 600 x 1200 DPI. Copying: Mono copying, Maximum copy resolution: 1200 x 600 DPI. Scanning: Color scanning. Faxing: Mono faxing. Maximum ISO A-series paper size: A4