From the manufacturer

Can the ScanSnap iX1400 scan photos?

Yes. The automatic document feeder will scan both sides of each document simultaneously. Yes! The iX1400 capably scans photos and offers helpful features like auto facial rotation and red-eye reduction to create beautiful, sharable digital images of your printed photos.

Is the iX1400 a duplex scanner? What does

Yes. iX1300, iX1400 and iX1600 can scan to an existing printer already configured to the PC or Mac that ScanSnap is connected to. Yes, the iX1400 is a duplex scanner, meaning it scans both sides of the page. The iX1400 scans both sides at once, so you don't have to flip pages over.

Can the iX1400 scan to other applications besides the ScanSnap apps? Is it TWAIN compatible?

No. ScanSnap Cloud is an optional free service that can only be used with Wi-Fi enabled ScanSnap models and ScanSnap iX1400 can only be used with the included USB cable connected to a PC or Mac. The ScanSnap iX1400 does not include a TWAIN driver, but it can be configured to scan into many 3rd party apps that support the viewing of PDF and JPEG files natively, such as Adobe Acrobat and others. Need TWAIN? Check out the RICOH fi Series.