Step 1. Connect Printer with Computer
Connect the printer to the computer using the supplied USB cable and power on the printer.
Step 2. Go to System Preferences
Click on the Apple icon on the top left corner of the screen, and select System Preferences.
Step 3. Select Print and Fax
Step 4. Choose Default Printer
In the Default Printer drop down box, select STAR TSP 143.
Step 5. Open Safari Browser - Select Print Receipt
A printer menu will appear and expand the window by click on the dropdown arrow. Then uncheck the Print Headers and Footers Box. After that, under Paper Size, select Manage Custom Sizes.
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