In/scan/copy 2 mặt tự động, in mạng

HP LaserJet Enterprice M4555H MFP   ( Print-Scan-Copy)
A4, Print and copy speed of up to 52ppm (A4) , 55ppm (letter) ,  1200 dpi effective output quality ,  800MHz processor , 1GB RAM  , Hard Disk Standard, HP High-performance Secure Hard Disk (embedded) , Input: 500 & 100 sheet trays, 50 sheet ADF , Copy : up to 1000 pg , Reduce/ enlarge: 25%- 200% , Scan to E-mail ; Save-to-Network Folder; Save-to-USB drive; Send to FTP; Send to LAN Fax; Send to Internet Fax ; Secondary e-mail; Send to folder; Send-to-workflow; Send-to-printer; Authentication; Digital fax (send to LAN, Windows 2000, Internet); OCR; PDF, JPEG, TIFF, MTIFF, XPS, PDF/A  , Auto duplex printing , HP PCL6, HP PCL 5e, HP Postscript level 3 emulation, direct PDF printing. 1 Hi-Speed USB 2.0 Host port; 1 Hi-Speed USB 2.0 Device port; 1 Gigabit Ethernet 10/100/1000Base-TX network port; 1 open EIO slot; 1 Foreign Interface port ; 1 Hardware Integration Pocket; 3 Internal USB Host ports , Recommended Monthly Print Volume3 5000 to 20,000 ,   Duty Cycle4 (Monthly A4, Letter) Up to 250,000 pages   
Use : CE390A ( HP 90A )