VueScan Drivers for Acer/BenQ Scanners Can't find a driver for your Acer/BenQ scanner? VueScan is here to help Don't you hate how Acer/BenQ stop releasing drivers. Use camera of your phone to capture documents, IDs and driver licenses! MobileTwain allows using camera of your cell phone or Tablet with any TWAIN compatible. If VueScan doesn't see your scanner on Mac OS X, first make sure that About This Mac (in the Apple menu) in the USB devices section can see the scanner.