Pausing a Print
At any time during a print you can click the pause button (pictured below) to make your printer temporarily pause.
Resuming a Print
Once paused your printer will need to be Resumed again when you want it to complete the print.
Setting up Pause and Resume G-Code
If you printer has not already been setup to handle Pause and Resume (if you are creating a new printer profile) - you can change the behavior of Pause and Resume in the printer G-Code settings. This is an advanced option and if you are using an included profile 'Pause' and 'Resume' should already be setup correctly.