If you want to change the printing priority of a print job or set a specific time for it to print, click the Show details arrow at the bottom of the window. The Priority list becomes active.
Note
If you see a stop sign icon and the message Print queue on hold in the EPSON Monitor3 dialog box, select Start print queue from the Printer menu to release the queue and resume printing.
Priority list box
Settings selected for the highlighted print job
Click the print job whose priority you want to change. Then click the Priority list box and select one of the following settings:
•Normal prints the job in the order it is received
•Urgent moves the job before Normal priority jobs in the print queue
•Hold holds the job in the print queue until you’re ready to release it for printing by clicking 
restart
•Print Time opens the Set Print Time dialog box. Enter the date and time you want to print the document, then click OK.