Popping your cash drawer in Cash Register Express and CRE 2000 1) Load Cash Register Express and go to the Invoice Screen 2) Click on Setup, then click on the Options Screen 3) Go to the Cash Drawer field. 4) Select the appropriate port that the cash drawer is attached to. If the cash drawer is attached to the printer then select the port that the printer is attached to. 5) Click Update. 6) If the cash drawer is connected to a receipt printer, make sure the printer is On-Line and has paper in it. 7) Click on Setup. 8) Click on Open Cash Drawer 9) Type in the Administrator's password. The drawer should pop open.