Samsung SCX-4521FR. Print technology: Laser, Copying: Mono, Scanning: Colour. Print speed (black, normal quality, A4/US Letter): 20 ppm, Maximum resolution: 600 x 600 DPI, Time to first page (black, normal): 11s. Maximum copy resolution: 600 x 600 DPI, Copy speed (normal quality, black, A4): 9 cpm. Modem speed: 33.6 Kbit/s, Fax memory: 2 MB, Fax coding methods: JPEG, MH, MMR, MR. Standard input capacity: 150 sheets, Auto document feeder (ADF) input capacity: 30 sheets