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How to Configure Margins and Paper Size on macOS

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Introduction

This application note provides instructions for adjusting driver settings to address issues on macOS such as long receipts with blank space, margin or formatting problems and incorrect font sizes.

Supported Printers: Star Desktop Printers
Supported Interfaces: All
Supported Environments: macOS

Important! Margins, character fonts and page formatting are primarily defined by the POS software, especially when printing from iOS and Android devices. If your POS is web-based (accessed through a web browser) use the application note below.
How to Configure Margins and Paper Size on a Web Browser

 

Before you begin

Important! Ensure that the printer is installed, configured and operational.
Please use the Help Center FAQ search if you have not yet setup your printer.

Note: The default Paper Size for most printers is 3” with a few exceptions such as the mC-Print2 which is 2”. If you are selecting a smaller size, ensure you have installed the paper guide.
Please visit the Star Global Support Site to download the manual for your specific printer which provides more details on installing a paper guide.

 

Enable CUPS Web Interface

Note: The CUPS Driver Web Interface must be enabled on the Mac device to adjust margins and paper size. If it has already been enabled, this step can be skipped.

1. Open a web browser and type localhost:631 in the address bar. If accessing this page for the first time, the Web Interface will be disabled.

Note: If prompted, enter your Mac Username and Password to Log In.

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2. On the Mac device, go to Utilities and open “Terminal”.

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3. In Terminal, type the following command and tap Enter:

cupsctl WebInterface=yes

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4. Return to the browser and reload the page. The CUPS Web Interface will now be enabled.

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Congratulations! You have successfully enabled the CUPS Web Interface on macOS.

 

Configure Margins and Paper Size on macOS

1. Open a web browser and type localhost:631 in the address bar. Click “Printers”.

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2. Click your printer in the list.

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3. Select the Administration dropdown and choose “Set Default Options”.

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4. In the “General” tab locate “Media Size”.

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5. Select the preferred (Paper Size) x 200.

Note: 72mm x 200 is used in this example.

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6. Click “Set Default Options”.

Note: If prompted, enter your Mac Username and Password to Log In.

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7. The settings are saved.

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8. To test, open System Preferences and select “Printers and Scanners”.

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9. Highlight the printer and click “Open Print Queue…”.

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10. In the top menu bar select Printer and click “Print Test Page”.

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Note: Any additional changes need to be made in the POS software if these settings do not resolve the issue.

 

Congratulations! You have successfully adjusted the default paper size of the Star printer on macOS.

 

See also

How to Enable a Cash Drawer on macOS
How to Configure Margins and Paper Size on a Web Browser
How to Configure Margins and Paper Size on Windows

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