VeriFone VX520 – How To Darken Printing

1. Press F2 and F4 at the same time
2. Prompt for the password and key in 1 alpha alpha 66831
3. In system mode, press 1 for Edit Parameters
4. Press ENTER to select Group 1
5. Prompt for the password and key in 1 alpha alpha 66831
6. Press ENTER at “File: CONFIG.SYS”
7. Press 1 to add a New Parameter
8. Key in the name of the parameters * 3 alpha 2 alpha 7 alpha alpha 5 alpha alpha (*DARK) and press Enter
9. Key in the value which should be 5 for optimal output and press ENTER
10. Press the red CANCEL button to return to the Verix Terminal MGR menu
11. Press 3 for Restart
12. Press F3 for CREDIT/DEBIT to activate the application