DCP-T420W

FAQs & Troubleshooting

Check the Serial Number

The serial number is on the back of the unit.

You can also see the serial number by using Brother iPrint&Scan.

Start Brother iPrint&Scan.
- Windows
  Launch (Brother iPrint&Scan).
- Mac
  In the Finder menu bar, click Go > Applications, and then double-click the iPrint&Scan icon.
The Brother iPrint&Scan screen appears.
If your Brother machine is not selected, click the Select your Machine button, and then select your model name from the list. Click OK.
Click (Machine Settings) to configure the settings.
If required, type the password in the Login field, and then click Login.

The default password to manage this machine's settings is located on the back of the machine and marked "Pwd". We recommend immediately changing the default password to protect your machine from unauthorized access.
Go to the navigation menu, and then click General > Maintenance Information.

Start from , if the navigation menu is not shown on the left side of the screen.
Check your Brother machine's serial number.

You can also check your Brother machine's serial number with the Print Quality Check Sheet.