(10.12) The phenomenon that continuous scanning cannot be performed after Bonjour name is changed is rectified. macOS High Sierra (10.13) has been added as a supported OS. macOS Mojave (10.14) has been added as a supported OS. macOS Catalina (10.15) has been added as a supported OS. (10.15) Correct the failure that may dysfunction ADF scan depending on settings. macOS Big Sur (11.0) has been added as a supported OS.