How to add print area: rectangular shape? (inkXE Version 5.4.0 onwards)
To add rectangular print area.
1. Open inkXE Admin.
2. Go to Products in the toolbar towards the left and select Product List from the drop down.
3. The product list will appear towards the right. Select your product.
4. In the product page, go to Printing Area.

5. Click on the drop-down below and select Rectangle Printing Area.
6. Next, tap Add New.

6. A popup named Configure Custom Size will appear. Tap Add New Size.
7. Set properties, such as, size name, height, and width and click on save icon.
8. Close the popup.
You have added rectangular print area.