Open the scanning universal king, click to enter the document, click the three points on the upper right to open the PDF settings, and click to change the page size and direction of the PDF on the PDF settings page. The detailed steps are as follows:

1, first open the scanning almighty king, as shown in the figure below:

2. Click to enter the document, as shown in the figure below:

3. Then click the three points on the upper right, and click PDF Settings, as shown in the figure below:

4. On the PDF Settings page, click to change the page size and orientation of the PDF, as shown in the following figure: