Example, disable print preview of POS Receipt.
Navigate to System Configuration.
Select Printing and Format tab and select Current Outlet then click on the POS Receipt which is under Customization on Printing Format (Windows Print) section.
Click on the Customize button on the Customization on Printing Format (Windows Print) section.
Click on the setting button on the POS Receipt which you wanted to disable printing preview.
Uncheck the Show printing preview and click on OK.
Click on Apply.
Click on Yes[Enter] or press Enter button on your keyboard.