Follow these steps:
- Select Tools > Create PDF > Scanner > Autodetect Color Mode from the menu bar.
- Click the Settings icon if you want to scan multiple files into a PDF. The screen for Custom Scan appears. Check the box to prompt you to scan more pages.
- Select Scan.
- Select Scan More Pages, Scan Reverse Sides, or Scan Is Complete if you're prompted to scan more pages, then click OK.