Fast Scanner funktioniert nicht

Fast Scanner turns your iPhone into a multipage scanner for documents, receipts, notes, invoices, whiteboards and other paper text.  With Fast Scanner, you can quickly scan your documents, then print or email them as multipage PDF or JPEG files.  Fast Scanner scan any type of documents, ranging from a receipt to multipage book.  All scanned documents are exported as industry-standard PDF file.  Just scan any documents and tap "Send" button.  Moreover you can save the PDF files in your iPhone or open them in other apps such as iBook, PDF Reader, etc.  You can add new pages or delete existed pages within the PDF file.  If the document needs to be printed, send it to any printer nearby.  Fast Scanner support a lot of image editing options so you can make the scanned images as easy to read as possible.