To upload or remove the business logo from payment pages, follow the below steps:
Click your name in the top right corner of the screen
Select the Settings option from the drop-down menu
Choose Payment Pages tab
Click Browse... to select a logo from your computer. PNG, JPG, and GIF files may be uploaded and the minimum size is 140 px by 140px. Once selected, click Upload Logo
Once uploaded, you may crop or remove the logo as necessary