HP LaserJet M442dn (8AF71A) Product Type: Printer Functions: printing, copying, scanning Print speed black (ISO, A4): up to 24 ppm First page black (A4): 7.7 seconds Duplex printing: automatic (standard) Working resource (month, letter): up to 50,000 pages Working resource (month, A4): up to 50,000 pages 1 Recommended monthly page volume: 2000 to 5000 pages Print quality black: up to 1200 x 1200 dpi Print languages: PS, PLC 6 Printing technology: laser Connectivity, Standard: Hi-Speed ​​USB 2.0 Device, Ethernet 10/100 Base TX Network Capabilities: Standard (Built-in 10/100 Base TX Ethernet) Display: 4-line LCD Processor speed: 600 MHz Memory: 512 MB Scanner type: Flatbed Scan file format: PDF, JPEG, TIFF Enhanced scanning resolution: up to 4800 x 4800 dpi Scan resolution, optical: up to 600 dpi Scan size, maximum: 297 x 432 mm Scanning technology: Digital-CMOS Image Sensors (D-CIS) Copy speed (black, normal quality, A4): up to 24 cpm Copy resolution (black text): up to 600 x 600 dpi Copies, maximum: up to 999 copies Replaceable cartridges W1335A HP Original 335A LaserJet Toner Cartridge (yield 7,400 ISO pages); W1335X HP Original 335X High-Yield Black LaserJet Toner Cartridge (yield 13,700 ISO pages); CF257A HP 57A Original LaserJet Imaging Drum (yield 80,000 pages) Minimum dimensions (W x D x H): 560 x 540 x 417 mm Maximum dimensions (W x D x H): 960 x 1090 x 933 mm Weight: 25.4 kg Color: White