New Maintenance Kit InstalledColor Scanner Optical Resolution: 600 x 600 dpiColor Copier Speed: 30 cpm Black & ColorFax Machine Speed: 33.6 KbpsColor Laser Printer Speed: 30 ppm Black & ColorInterface Connects Via Parallel, USB and Fast EthernetProcessor Speed: 533 MHzMemory Standard: 320 MB (256 MB RAM and 64 MB fixed memory)Maximum Memory: 512 MBConnectivity: Bidirectional IEEE-1284-B compliant parallel port, HP Jetdirect Fast Ethernet Embedded Print Server, Hi-Speed USB 2.0, 1 open EIO slot, foreign interface harness, host USB accessory portOptional Connectivity: HP Jetdirect 625n Gigabit Ethernet internal print server (Part #: J7960A), HP Jetdirect 635n IPv6/IPsec and Gigabit Ethernet internal print server (Part #: J7961A), Ports: HP Jetdirect ew2400 802.11g Wireless & Fast Ethernet external print server (USB 2.0) (Part #: J7951A)HP Jetdirect en3700 Fast Ethernet external print server (USB 2.0) (Part #: J7942A)HP bt1300 Bluetooth� Wireless Printer Adapter (Part #: J6072A)Mac Compatible: YesInput capacity: Standard: Up to 600 sheetsInput capacity: Maximum Up to 2100 sheetsEnvelope feeder: Yes, 75 (with the purchase of an optional envelope feeder)Envelope input: Standard Up to 10 envelopesOutput capacity: Standard 4345mfp: Up to 500 sheetsOutput capacity: Maximum Up to 700 sheets (with 3-bin mailbox), up to 500 sheets (with stapler/stacker)Duplex printing (printing on both sides of paper) 4345mfp: Automatic (optional)Document finishing SheetfedMedia sizes: Standard Letter, legal, executive, statement, 8.5 x 13 in, envelopes (No. 10, commercial)Media sizes, Custom Multipurpose tray, 3-bin mailbox, and stacker element of stapler/stacker: 3 x 5 to 8.5 x 14 in; 500-sheet input Trays 2, 3, 4, 5: 5.8 x 8.3 to 8.5 x 14 in; custom sizes not supported on optional automatic two-sided printing accessory, envelope feeder, or staplerMedia types Paper (bond, color, letterhead, plain, preprinted, prepunched, recycled, rough), labels, envelopes, cardstock, transparencies Supported file formats: PDF, JPG, TIF, MTIFScanner type: Flatbed, ADFScan resolution: Hardware Up to 600 dpiBit depth 30-bitLevels of grayscale: 256Standard Automatic document feeder capacity: 50 sheetsMaximum scan size 8.5 x 11.7 inCopy resolution: Black Up to 600 x 600 dpiCopy reduce/enlarge settings: 25 to 400%Maximum number of copies: Up to 999 copiesFax broadcast: 100Fax delayed sending: NoFax forwarding: YesJunk fax barrier: YesPolling: YesRemote retrieval: NoDistinctive ring detection: No Standard Envelope input: Up to 10 envelopesTotal Media Capacity: 1100 sheetsMonthly Duty Cycle: 200,000 pagesNetworking: Print server - Ethernet, Fast Ethernet - plug-in moduleHard Disk Standard: 20 GB HP high-performance embedded hard disk Minimum System Requirements: PC: Windows 98: Pentium 90, 16 MB RAM; Windows Me: Pentium 150, 32 MB RAM; Windows NT 4.0: Pentium 90, 32 MB RAM; Windows 2000: 133 MHz processor, 64 MB RAM; Windows XP: 233 MHz processor, 64 MB RAM; Windows Server 2003 (standard edition): 550 MHZ processor, 128 MB RAM; 220 MB of available hard disk space for Windows, CD-ROM drive or Internet connection, IEEE 1284-compliant bidirectional parallel port, USB 1.1 port, USB 2.0 port. Macintosh: 160 MB available hard disk space, Mac OS 9.x, v 10.1 and higher, CD-ROM drive, USB port or IEEE 1284-B compliant bidirectional parallel portPower: AC 120 VDimensions: (WxDxH): 30 x 19 x 21.5 inWeight: 117.7 lbsSystem Requirements: Microsoft Windows NT 4.0, Apple MacOS 9.x, Apple MacOS X 10.1, Microsoft Windows 3.1 / MS-DOS, Microsoft Windows Server 2003, Microsoft Windows 98/ME/2000/XPProfessionally Packed With "Sealed Air" Instapak Foam PackagingStandard 90 Day Warranty includes Parts and Labor**We cover all shipping charges within the Warranty periodModel: Q7519AIncluded: HP Color LaserJet 4730XS MFP Printer: 100-sheet multipurpose tray, 500-sheet input Tray 2 (for 600-sheet capacity), 500-sheet output tray, 50-sheet ADF, Fax Modem, HP Jetdirect Fast Ethernet Embedded Print Server, 256 MB DDR RAM, 1 available EIO slot