It shows the list of current print jobs displayed on the left. This list of print jobs is displaying all print jobs has been assigned to this printer. Click Name of the print job to view details of model's profile and print settings.
Print: Start printing. An overview of the current printing progress will appear.
You can also Stop, Resume, and Pause to change the material type.
History: A list of print jobs were printed in this printer
Add: you can select a print job in the history list to current print list.
Clear: Erase the entire history print jobs.
Delete: The chosen print job will be removed from current list to History.