How do you change the ink on a regal 607 numbering machine?

To change the ink on a Regal 607 numbering machine, first, ensure the machine is turned off and unplugged. Open the ink compartment by releasing the locking mechanism, then carefully remove the old ink roller. Replace it with a new ink roller, ensuring it fits snugly, and close the compartment securely. Finally, test the machine to ensure proper ink distribution.