4. Select Lock Out Functions, select menu options, and make necessary settings.
You can lock the following buttons and functions.
Load Paper Source Cancel
Eject Tear Off Menu
LF Micro Adjust Shortcut Menu
FF Pause
5. Select Panel Lock Out Mode and make sure to select On to enable the settings in effect.
6. Turn off the printer and exit the lock out setting mode.
DLQ-3500II/DLQ-3500IIN User’s Guide
Menu Options for Settings 32