Up to 25 ppm/50 ipm (black and white, 200 dpi, TIFF file, using HP Smart Document Scan Software), up to 20 ppm/40 ipm (150 dpi, colour), up to 19 ppm/38 ipm (300 dpi greyscale)
Standard connectivity
Hi-Speed USB - compatible with USB 2.0 specifications
Dimensions (W x D x H)
625 x 415 x 265 mm
Scan system
Scan type
Flatbed, ADF
Scan technology
Charge Coupled Device (CCD)
Hardware scanning resolution
Up to 600 x 600 dpi
Bit depth
48-bit internal/24-bit external
Gray scale levels
256
Multi feed detection
Yes, ultrasonic
Auto document feeder capacity
Standard, 100 sheets (75 g/m²)
Scan speed (ADF, A4)
Up to 25 ppm/50 ipm (black and white, 200 dpi, TIFF file, using HP Smart Document Scan Software), up to 20 ppm/40 ipm (150 dpi, colour), up to 19 ppm/38 ipm (300 dpi greyscale)
Media types supported
Paper (plain, inkjet, photo), envelopes, cards (index, greeting), 3-D objects
Scan input modes
Front panel scan to HP Smart Document Scan Software; HP Document Copy; software scan using HP Smart Document Scan Software; user application via TWAIN, ISIS, WIA or Kofax VRS drivers
Scan file format
BMP, JPG, TIFF, TIFF (compressed), PNG, PDF (normal, normal with images, searchable image-only, MRC), PDF/A, RTF, TXT, UNICODE, HTM, DOC, WPD, XML, XLS, OPF, XPS
Maximum scanning size
216 x 356 mm
Control panel
4 front-panel buttons (Scan to destination with selection & LCD, Copy, Tools utility, Cancel)
Other technical information
Standard connectivity
Hi-Speed USB - compatible with USB 2.0 specifications
Twain version
Version 1.9
Compatible operating systems
Windows® 2000, Windows® XP Home, Windows® XP Professional, Windows® XP Professional x64, Windows Vista™, Windows Vista™ x64
Minimum system requirements
Microsoft® Windows® XP or 2000 (Drivers only): 500 MHz processor; Windows® XP, XP x64, or 2000; 64 MB RAM, 80 MB free hard disk space; USB 1.1 and later; CD-ROM drive; 800 X 600 SVGA monitor; 16-bit colour; Microsoft® Windows® Internet Explorer 6 and later. Microsoft® Windows® XP or 2000 (minimum): 500 MHz processor; Windows® XP, XP x64, or 2000; 256 MB RAM, 200 MB free hard disk space; USB 1.1 and later; CD-ROM drive; 800 X 600 SVGA monitor; 16-bit colour; Microsoft® Windows® Internet Explorer 6 and later. Microsoft® Windows® XP or 2000 (recommended): 1.4 GHz processor; Windows® XP, XP x64, or 2000; 512 MB RAM, 500 MB free hard disk space; USB 2.0 and later; CD-ROM drive; 800 X 600 SVGA monitor; 16-bit colour; Microsoft® Windows® Internet Explorer 6 and later. Windows Vista™: (Drivers only): 800 MHz processor; Windows Vista™, Windows Vista™ x64; 512 MB RAM, 80 MB free hard disk space; USB 1.1 and later; CD-ROM drive; 800 X 600 SVGA monitor; 16-bit colour; Microsoft® Windows® Internet Explorer 7 and later. Windows Vista™: (minimum): 800 MHz processor; Windows Vista™, Windows Vista™ x64; 512 MB RAM, 200 MB free hard disk space; USB 1.1 and later; CD-ROM drive; 800 X 600 SVGA monitor; 16-bit colour; Microsoft® Windows® Internet Explorer 7 and later.
Windows Vista™: (recommended): 1.4 GHz processor; Windows Vista™, Windows Vista™ x64; 1 GB RAM, 500 MB free hard disk space; USB 2.0 and later; CD-ROM drive; 800 X 600 SVGA monitor; 16-bit colour; Microsoft® Windows® Internet Explorer 7 and later
Energy Star certified
Yes
Operating temperature range
5 to 40° C
Operating humidity range
15 to 80% RH
Non-operating humidity
15 to 80% RH
Power consumption
80 watts maximum
Power supply type
Built-in universal power supply
Dimensions (W x D x H)
625 x 415 x 265 mm
Weight
15 kg
Warranty
Standard one-year limited hardware warranty. Warranty and support options vary by product, country and local legal requirements.
What's in the box
HP Scanjet N8420 Document Flatbed Scanner, automatic document feeder (ADF), Hi-Speed USB cable, power cord, ADF cleaning cloth, Setup and Support Guide, customizable button label, CD-ROM(s) includes software for Windows: HP Smart Document Scan Software, ScanSoft PaperPort, IRIS Readiris Pro OCR, Kofax VirtualReScan, EMC ISIS/Twain drivers, EMC QuickScan Pro Demo
Software included
EMC ISIS/TWAIN drivers; Kofax VirtualReScan; HP Smart Document Scan Software; ScanSoft PaperPort; I.R.I.S. Readiris Pro OCR