To test that it works, attempt to print a test page.

Select the Brother Printer, then under Default Paper Size select your new custom size.

Now, click the Apple Icon in the top-right corner → System Preferences → Printers and Scanners.

Optionally rename the custom size to something that is memorable like 'Brother Printer'.

Click the + icon to add a new custom size.

Under Paper Size, select Manage Custom Sizes.

To test that it works, attempt to print a test page by going back to Printer Properties → click ' Print Test Page'.

Make the exact same changes here for the corresponding printer as you just did in step II.

You may be prompted to enter the local Active Directory username and password to proceed.

Next, back in the Printer Properties window, go to the Advanced Tab → Printing Defaults.

For Brother QL-720NW or QL-820NWB, make sure that Bluetooth is turned OFF.

Go to Control Panel → Devices and Printers → Right-click on the Brother printer → Select Printer Properties.

In this case, the power light on the printer might flash red, and the dimensions that the computer is sending to the printer don't match the labels.

Pictures below show the correct and incorrect labels and spindles (note the hole-count and '205' or '202' on the side of the labels. The required spindle has two holes on the bottom.

In addition, you will need the correct spindle.

There are continuous feed formats non-continuous feed labels won't work.

It will say 205 on the side of the label.

One of the most common issues is using the wrong labels.

Review each of the following points with your local IT staff to make sure there is not an issue in any of these areas.

There can be a number of areas needing to be reviewed when troubleshooting. The Brother QL-570 should have similar driver settings as the QL-710W or QL-720NW. If there is trouble with the printer installation or difficulty in finding the printer on your network, the printer manufacturer's support is best to contact for help in those areas. Below are some common troubleshooting steps to fix issues with printing during check-in.

Brother printer test page