You can check this video to know: Installing Label Printer Driver and Prepare before use I04 on Mac.

Installing Label Printer Driver on Mac

1. Before installation, please ensure the printer is connected and turned on!

2. Please download the latest version of i04's Mac Driver from this link(https://delivery.shopifyapps.com/-/58949abbfa3d4fbe/72de811a593cf14b

Double click the "pkg" installer to begin. If the driver can not open, check the articles:

1-2-0.Initial Setup - MAC:Setting Security & Privacy before installing driver.(https://newaccount1617864698997.freshdesk.com/support/solutions/articles/67000649868-setting-security-privacy-before-installing-driver-on-mac

3.Enter your password and click InstallSoftware .

4. Follow the installation steps until you receive "Installation was successful" message.

4. Click "The Apple logo" and go to "System Preferences" -> select "Printer & Scanners".

5. Click "+" to set up a printer

6.Select "4BARCODE 4B-2054F "->Click "Select Software "

->Select "Label Printer" and click "OK "->Click "Add "

Prepare before use

1. Open desired file (e.g. a PDF). Click"File"and choose "Print". Select "Show Details"

2. Choose a paper size from "Paper Size".

If the size you need is not listed, then click "Manage Custom Sizes", input width and height, then click "OK".

3.Select "Printer Features" in "Preview", you can set up printer properties, such as "Media Tracking", "Darkness" and "Print speed".

4. Select paper type in "Media Tracking". Choose from "Continuous", "Gap" or "Black Line".

5. You can change the printing speed and the Darkness of your printing 

(Larger number means higher Darkness)

6. After setup, click "Print"

To create custom-sized labels, please see this link.()