Xerox Workcentre 4250V/UX Copy/Colour Scan/Fax, B&W, A4. Copy speed (normal quality, black, A4): 45 cpm, Copy resolution (black text): 600 x 600 DPI, Maximum number of copies: 999 copies. Maximum print size: 216 x 356 mm. Standard input capacity: 600 sheets, Auto document feeder (ADF) input capacity: 100 sheets. Enhanced scan resolution: 600 x 600 DPI. Print technology: Laser