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How to enable, disable, or change the supervisor password on the DM300C, DM400C, and more

Learn how to enable, disable, or change the supervisor password on the DM300C, DM400C, and DM475.
Products affected: DM300C™, DM400C™, and DM475™
The Supervisor Password prevents unauthorized access to the postage refill operation or to setup procedures. To enable or disable the supervisor password follow these steps.
  1. Press the Menu button
  2. Select Setup
  3. If necessary, press the green down arrow button to scroll through the menu screens
  4. Select Lock Code/Password
  5. Select Enable or Disable Password
  6. Enter the new supervisor password and select Accept
  7. Re-enter the new supervisor password and select Accept
  8. At the Password Enabled message, select OK

UPDATED: 14 August 2021