2-2 Samsung ElectronicsSpecificationsItem Specification & DescriptionPrinting Area No-print area : 3mm from edge(Top,Bottom,Left,Right) of listed core mediaNo-print area : 3mm from edge(Top,Bottom,Left,Right) of envelopeOperating Environment Temperature : 10~30°C, Humidity : 20~80%RHStorage Environment Temperature : 0~35°C, Humidity : 10~90%RHWeigh Net : Max 11Kg, Gross : 12KgExternal Dimension 420 (W) x 368 (D) x 220 (H)mmPrint Cartridge Life Span : 6,000 pages, 5% PatternDeveloping : Non-magnetic Contact DevelopingCharging : Conductive Roller ChargingDensity Adjustment : 3 step (Light, Medium, Dark)Toner Supply Method : Exchanging the DeveloperToner Checking Sensor : NoneTransfer System : Conductive Roller TransferFusing System : Temperature & PressureOzone Emission : Less than 0.1 PPMEmulation GDI,PCL4.5CPU ARM7 TDMI (clock speed 66MHz)RAM Memory Standard : 4M byteROM 1M byte (8M bit x 1 : Program) Flash MemoryEEPROM 512 bytesInterface Bidirectional Parallel Standard- IEEE 1284 COMPATIBLE MODE- IEEE 1284 NIBBLE MODE- IEEE 1284 BYTE MODE- IEEE 1284 ECP WITHOUT RLE- IEEE 1284 ECP WITH RLEUSB Interface Standard- USB 1.0 compliant- 12Mbps 1 portInterface Switching Automatic (Parallel, USB)Interface Time Out 5 min (max.)Download Service Manual And Resetter Printer at http://printer1.blogspot.com