Canon PIXMA MG4200 Series On-Screen Manual page 474

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Settings > Changing the Settings in the Admin Password Sheet
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Changing the Settings in the Admin Password Sheet
1.
Start up IJ Network Tool.
Starting up IJ Network Tool
2.
Select the printer in Printers:.
3.
Click the Configuration button.
4.
Click the Admin Password button.
The Admin Password sheet is displayed.
5.
Change the settings or confirm.
1. Use admin password
Set a password for the administrator with privileges to set up and change detailed options. To use
this feature, select this check box and enter a password.
Important
The password should consist of alphanumeric characters and be no longer than 32
characters. The password is case-sensitive. Do not forget the password you set.
2. Password:
Enter the password to set.
3. Password Confirmation:
Enter the password again for confirmation.
6.
Click OK.
> About Network Communication > Changing and Confirming Network