Samsung ML-4512ND Monochrome Laser Printer Output Capacity, std.: 500 sheets Black Print Quality: 600 x 600 dpi Cartridges Compatible: MLT-D307S MLT-D307L MLT-D307E MLT-D307U MLT-R307 Part Number: ML-4512ND/XAA Time To First Page (seconds): 7 sec. Emulations: PCL5e, PCL6, IBM ProPrinter, EPSON, PostScript3, PDF Direct V1.7, XPS v1.0 Duplex printing: Yes Max. Duty Cycle: Up to 200,000 pages monthly