Yes, since ScanSnap SV600 uses a contactless-scanning technology, which is entirely different from the previous ScanSnap models, the quality of scanned file is slightly different.
| SV600 | iX500 | |
|---|---|---|
| Color | sv600_c_superfine.pdf | ix500_c_superfine.pdf |
| Gray | sv600_g_superfine.pdf | ix500_g_superfine.pdf |
| Black & White | sv600_m_superfine.pdf | ix500_m_superfine.pdf |
Also see the sample images for details.