Background printing allows you to continue to use your computer while a document prints. This button indicates that background printing is off. Background printing allows you to continue to use your computer while a document prints. Click this button to turn off background printing. Background printing allows you to continue to use your computer while a document prints. This button indicates that background printing is on. Background printing allows you to continue to use your computer while a document prints. Click this button to turn on background printing. To set or change the setup options for a printer, select the printer’s name in the list box and then click this button. The button is not available until you select a printer name. To set up the selected printer to use its available print options, click this button. After the printer is set up, you don’t need to set it up again unless you wish to change the setup options.