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How do I setup the default receipt or label paper size on my Mac?

Posted on 4th Aug 2014 in Support

Unfortunately not all browsers and operating systems work the same when it comes to printing, so we've added instructions for the most common combinations. By default OS X sets US letter as the 'Default paper size' under System Preferences -> print & scan. This can cause printing issues when trying to print to a thermal receipt printer such as the Star TSP100. This tutorial also applies to those who want to print their custom sized labels using a Zebra label printer.

Google Chrome for Mac OS X:

1. Click the "Print" button 
2. Click "Print using system dialog" 
3. Select and change paper size 
4. If printing any size besides "Letter" you'll need to add a custom paper size:

  • Select "Manage Custom Sizes..." at the bottom 
  • Click the "+" button on the left to add a new paper size
  • Double click "Untitled" and rename to "Receipt"
  • Set the Paper Size to the correct height/width. For example, width: 72 mm, height: 200 mm
  • Leave the "Non-Printable Area" set to "User Defined"
  • Press "OK" to save

5. Press "Print"

Safari for Mac OS X: 

1. Click the "Print" button
2. Select and change paper size
3. If printing any size besides "Letter" you'll need to add a custom paper size:

  • Select "Manage Custom Sizes..." at the bottom 
  • Click the "+" button on the left to add a new paper size 
  • Double click "Untitled" and rename to "Receipt 
  • Set the Paper Size to the correct height/width. For example, width: 72 mm, height: 200 mm
  • Leave the "Non-Printable Area" set to "User Defined" 
  • Press "OK" to save 

4. Press "Print"

Next, go to System Preferences and set your thermal receipt printer as your default printer. We just created the "Receipt" size, so that's the one we'll use here as the default paper size.

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