If you get an error saying that the software cannot be installed, make sure you have uninstalled/trashed the previous S10M version, making sure you have emptied the trash, maybe restart your Mac after those steps. Install ScanSnap Manager from the newly-downloaded file from the Japanese site.Find the correct OS X version, and download the corresponding ScanSnap_V21L20.dmg file.
#DOWNLOAD SCANSNAP S510 DRIVER FOR MAC#
Open the Japanese Mac download page, and scroll down until you find the ScanSnap Manager for Mac section. Now that we have the English Language folder for the ScanSnap Manager software, we can go ahead and install the Japanese Snansnap Manager for the S510 under OS X.Open the Applications folder and drag the ScanSnap folder to the trash, then empty the trash.Copy the English.lproj folder to the desktop.
Then open the Contents » Resources folder. Control click on it and choose Show Package Contents from the pop-up menu.