Setting or disabling the lock code on the DM300-DM475

Learn how to set or disable the Lock Code on the DM300c, DM400c, DM475c (G920) and DM300M, DM400M, DM475M (G922).
Products affected: DM300c™, DM400c™, DM475™ (G920); DM300M™, DM400M™, DM475M™ (G922)
The Lock Code feature prevents unauthorized access to the system after the franking machine has entered sleep mode, or when it is powered up.

Once a Lock Code is set, to lock the franking machine, press the Power / Lock button (top left, next to the tape feeder) and select Lock the Meter.
To unlock, wake the franking machine by pressing any key, enter the 4-digit pin, then press Enter.

Important: If you do not know the lock code set for your franking machine, please contact us. 

Follow the instructions below, to learn how to set, change or disable a Lock Code on your franking machine.

To access the Lock Code menu

  1. Press Options.
  2. Select Setup.
  3. Select Lock Code / Password. You may need to press Page Down.

To activate the Lock Code feature and set a Lock Code

  1. Select Enable Lock Code.
  2. Enter a new 4-digit Lock Code, then select Continue.
  3. Re-enter the new Lock Code to confirm, then select Continue.
  4. The franking machine confirms that the Lock Code has been enabled. Select OK.
  5. Press Home to return to the Home screen.

To change the Lock Code

  1. At the Lock Code / Passwords menu, select Change Lock Code.
  2. Enter the existing Lock Code, then select Continue.
  3. Enter a new 4-digit Lock Code, then select Continue.
  4. Re-enter the new Lock Code, then select Continue.
  5. The meter confirms that the Lock Code has been changed. Select OK.
  6. Press Home to return to the Home screen.

To disable the Lock Code

  1. At the Lock Code / Passwords menu, select Disable Lock Code.
  2. Enter the Lock Code, then select OK.
  3. The Lock Code is disabled and the meter returns to the Lock Code / Password menu. 
  4. Press Home to return to the Home screen.

UPDATED: 18 May 2022