Doc Scan funktioniert nicht

It's very useful when you need to print multiple pages (e. g. - Scan QR codes from camera or photo albums to open URL, phone calls, emails, and add contacts ... etc. - File Naming Rules: Save your time to name new files in advance. - In-App Fax: Send and receive faxes when you are out of the office or have no fax machine at all.  Instantly scan multi-page documents and send them out on the go. - Photo Collage: Combine multiple pages into one sheet.  Share as PDF / JPEG / TXT / docx by email, FAX, SMB, Cloud Services, WebDAV, and iTunes / WiFi file sharing.  Transform your iPhone / iPad into a pocket scanner, PDF editor, and photo collage maker.  Scan and OCR documents to produce high-quality images.  Enter texts, fill forms, sign, draw, collage, and send.  Fax documents to over 100 countries instantly (price calculated by the number of pages and recipient country and paid via in-app purchase). - Cloud Backup and Restore Documents (Silver / Gold plan): backup or restore documents to any date like a time machine. – Account will be charged for renewal within 24 hours before the end of the current period.