Update: Fujitsu has updated its advice after narrowing down the issue to some much more specific circumstances. The issue appears to be a bug in Sierra, which the company expects to be fixed in an update in mid-October.
Do not use [ScanSnap Organizer], [ScanSnap Merge Pages], or [CardMinder]
Do not use Excellent mode when scanning A3 (11.7 in. x 16.5 in.) documents
No image data will be lost nor any blank pages produced when content that has been scanned in the A4 (8.3 in. x 11.7 in.), Letter (8.5 in. x 11 in.), Legal (8.5 in. x 14 in.), or smaller sizes is saved.
Do not select the following functions in either Quick Menu or Application
[Scan to Print]
[Scan to Evernote (Document)]
[Scan to Evernote (Note)]
[Scan to Google Drive]
[Photographs]
Fujitsu has taken the rather extreme step of warning owners of its entire ScanSnap scanner range to cease using the device if they are on macOS Sierra until a major bug is fixed. The bug can result in scanned pages being turned into blank pages, and even exis