Tested and will not power on, not sure if it's a power supply issue or scanner. Seller ***AS-IS*** for parts of repair. GENERAL Max Supported Document Size 8.5 in x 11.7 in Manufacturer HP POWER DEVICE Voltage Required AC 100/240 V Voltage Required Margin 10% Frequency Required 50/60 Hz Power Consumption Operational 15 Watt Type external power adapter MEDIA HANDLING Max Document Size 8.5 in x 11.7 in Supported Document Type Plain paper Document Feeder Type Manual MISCELLANEOUS Microsoft Certifications Certified for Windows Vista Cables Included 1 x USB cable SYSTEM REQUIREMENTS OS Required Apple MacOS 9.1 or later, Apple MacOS X 10.1, Microsoft Windows 2000 / XP, Microsoft Windows Millennium Edition SCANNER Optical Resolution 1200 dpi x 1200 dpi Scan Scaling 2000% Type flatbed scanner Scanner Speed Details 38 sec/scan - color - 4x6 50 sec/scan - OCR - full-page 27 sec/scan - black white 10 sec/scan - preview Interface Type USB Form Factor desktop Scan Mode single-pass Input Type color Document Size Class A4/Letter Max Supported Document Size 8.5 in x 11.7 in Max H-Document Size 8.5 m Scan Speed 27 sec/page (gray) Max V-Document Size 11.7 m Color Depth 48-bit color Max H-Optical Resolution 1200 dpi Max V-Optical Resolution 1200 dpi Supported Document Type plain paper Document Feeder Type manual Control Panel Buttons Functions HP Scanning Software, copy, email, scan Compliant Standards TWAIN INTERFACES Interface USB Connector Type Type A ENVIRONMENTAL PARAMETERS Min Operating Temperature 50 F Max Operating Temperature 95 F Humidity Range Operating 15 - 80% HEADER Brand HP Product Line HP ScanJet Model 3500C Localization French, German, Italian Country Kits Switzerland Packaged Quantity 1 Compatibility Mac, PC EXPANSION SLOTS Type none CABLE DETAILS Type USB cable Form Factor external Included Qty 1 SCANNER SPEED DETAILS Speed 10 sec/scan, 27 sec/scan, 38 sec/scan, 50 sec/scan Mode OCR, black white, color, preview Document Size 4x6, full-page SOFTWARE Software Included Hemera CD Designs Creator, Jigsaw Puzzler, Readiris Pro, drivers utilities DIMENSIONS WEIGHT Width 19.7 in Depth 11.8 in Height 2.6 in Weight 5.95 lbs SLOT REQUIRED Type none