|   | SC 42m mono | SC 42C | SC 42e | 
| Upgradeable | m ➔ cm ➔ e
 | c ➔ e | N/A | 
| Optical Resolution | 1200dpi | 1200dpi | 1200dpi | 
| Interpolated Resolution | 9600dpi | 9600dpi | 9600dpi | 
| Max Scan Width | 42in (106.7cm) | 42in (106.7cm) | 42in (106.7cm) | 
| Max Media Width | 44in (111.8cm) | 44in (111.8cm) | 44in (111.8cm) | 
| Max Scan Length | Depends on file format and software application.  See scanner software information | 
| Max Media Thickness | 0.08in (2mm) | 0.08in (2mm) | 0.08in (2mm) | 
| Accuracy | +/-0.1% +/-1 pixel | +/-0.1% +/-1 pixel | +/-0.1% +/-1 pixel | 
| Auto Size Display |  Detects and displays the width of the document as it is loaded (mm or inches) | 
| Imaging Technology | SingleSensor | SingleSensor | SingleSensor | 
| Data Capture (color/grayscale) | 16-bit | 48-bit/16-bit | 48-bit/16-bit | 
| Color Space | N/A | RAW RGB/sRGB | RAW RGB/sRGB | 
| Scan Speed 1-bit mono (in/sec) @200dpi | 13.00 | 13.00 | 13.00 | 
| Scan Speed 8-bit grayscale (in/sec) @200dpi | 13.00 | 13.00 | 13.00 | 
| Scan Speed 24-bit color (in/sec) @200dpi | N/A | 3.0 | 6.0 | 
| Paper Path | Face-up, front entry, rear exit or rewind to front | 
| Interface | SuperSpeed USB 3.0 with up to 5Gb/sec transfer rate | 
| Power Requirements | External power supply 100~250 VAC autosensing +/-10%, 50 – 60HzLess than 40Wh (scanning) / 4.2Wh (standby)
 | 
| Weight & Dimensions (WxHxD) | 49lbs (22kg) 48.5 x 8 x 10.6in (123.2 x 20.1 x 27cm) | 
| Host Platform | Windows 7, Windows Vista, Windows XP* 32-bit and 64-bit architectures with USB3 or USB2 interface | 
| Certifications | CB, CE, FCC, UL, RoHS compliant. ENERGY STAR® qualified | 
| Included Software | SmartWorks EZ Touch – SCAN/COPY/EMAIL software |