This guide will walk you through the steps to correctly print a 4x6 inch shipping label for Pirate Ship using the Knaon Y813BT thermal label printer.
Prerequisites
Before printing, ensure you have:
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Knaon Y813BT thermal label printer (connected via USB)
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4x6 inch thermal labels (compatible with the printer)
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Pirate Ship account with a generated shipping label
Step-by-Step Instructions
1. Set Up the Knaon Y813BT Printer
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Power on the printer and load 4x6 inch thermal labels.
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Install Drivers (First-Time Setup Only):
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Connect the printer to your computer via USB.
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Download and install the correct driver for your OS:
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Note: Skip this step if the printer is already set up.
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2. Generate & Print the Label in Pirate Ship
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Log in to your Pirate Ship account.
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Create your label and click "Print Label".

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Adjust Print Settings:
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Select "4x6" Shipping Label" from the dropdown menu.

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Click the print icon to open the print preview.

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Finalize & Print:
For Mobile App
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Download our Flashlabel Pro app via this link:
https://knaon.com/blogs/knaon-y813-bt/how-to-use-printer-on-the-phone -
Import your PDF into the app and print directly. For detailed step-by-step instructions, please refer to the section titled "Print a PDF Label Using FlashLabel Pro App" in this link:
https://knaon.com/blogs/knaon-y813-bt/how-to-use-printer-on-the-phone
If you're using an iPhone, go to "Save Label" and scroll down—you’ll see the "Print with FlashLabel Pro" option (see screenshot). You can print directly from here, no need to save PDFs or images first.

For Mac
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Enter the preview interface.
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Select the KNAON Y813BT printer.
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Choose paper size: 4×6inch.
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Click Print.

For Windows
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Enter the preview interface.
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Select the KNAON Y813BT printer.

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Choose paper size: 100×150mm.
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Click Print.

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