Introduction
This manual provides detailed instructions for the setup, operation, maintenance, and troubleshooting of your Phomemo D520-BT Bluetooth Thermal Shipping Label Printer. Please read this manual thoroughly to ensure proper use and optimal performance of your device.
Package Contents
Upon opening the package, verify that all the following items are included:
- Phomemo D520-BT Thermal Printer
- Power Adapter
- USB Cable
- Quick Start Guide
- Sample Labels
Setup
1. Physical Connection
- Place the printer on a stable, flat surface.
- Connect the power adapter to the printer's power port and then plug it into an electrical outlet.
- (Optional) For wired connection, connect the USB cable from the printer to your computer.

Image: The Phomemo D520-BT printer showing connectivity options, including Bluetooth for mobile devices and USB for computers (Mac OS, Windows, Linux, Google OS).
2. Loading Labels
The D520-BT printer supports various label types and sizes, from 0.78" to 4.4" wide, including 4" x 6" shipping labels. It features a large internal paper bin that can hold up to 500 sheets of 4"x6" labels.
- Open the printer cover.
- Place the label roll into the internal paper bin, ensuring the labels feed smoothly from the top.
- Adjust the label guides to fit the width of your labels snugly.
- Close the printer cover.

Image: The internal label capacity of the D520-BT printer, illustrating how a roll of 500 4x6 inch labels fits inside.
3. Software and Bluetooth Connection
The Phomemo D520-BT printer works with the "Labelife" application for mobile devices and computers.
- For Mobile Devices (Bluetooth):
- Download the "Labelife" app from the Apple App Store or Google Play Store.
- Ensure Bluetooth is enabled on your mobile device.
- Open the "Labelife" app and follow the in-app instructions to connect to your D520-BT printer. The Bluetooth connection is stable within 5 meters.
- For Computers (USB/Bluetooth):
- Install the appropriate printer drivers for your operating system (Mac OS, Windows, Linux, Google OS). Drivers are typically available on the Phomemo support website.
- Connect the printer via USB. The "Labelife" software can be used for editing and printing.
- Some systems may also support Bluetooth connection for computers; refer to your computer's Bluetooth settings and the "Labelife" software for pairing instructions.

Image: Demonstrating Bluetooth connectivity with the "Labelife" app, showing a stable connection within 5 meters.

Image: The "Labelife" software interface on a laptop, used for creating and editing labels before printing.
4. Calibration
After loading labels, it is recommended to calibrate the printer to ensure accurate label detection and printing. This can usually be done via a feed button on the printer or through the "Labelife" app settings. Refer to the app's instructions for specific calibration steps.
Operating Instructions
1. Printing Labels
The D520-BT printer is designed for fast and reliable thermal printing, achieving speeds of up to 150mm/s or approximately 60 sheets of 4"x6" labels per minute. It does not require ink or ribbon.
- Prepare Your Label: Use the "Labelife" app or software to create or import your label design. The app offers over 500 templates and supports WORD/TXT/PDF printing.
- Select Printer: Ensure your D520-BT printer is connected via Bluetooth or USB and selected within the "Labelife" application.
- Print: Initiate the print command from the application. The printer will automatically feed and print the labels.

Image: The Phomemo D520-BT printer in operation, demonstrating its ability to print various label types including shipping labels, barcode labels, and custom decorative labels.

Image: Illustrates the high-speed printing capability of the D520-BT, showing labels being printed quickly for business use.
2. Supported Platforms and Label Types
The D520-BT printer is compatible with most major shipping platforms and supports a wide range of label applications.
- Shipping Platforms: Shopify, Etsy, eBay, Amazon, Poshmark, FedEx, ShipStation, ShippingEasy, Shippo, Ordoro, and others.
- Label Applications: 4" x 6" shipping labels, barcode labels, address labels, postage labels, bulk mailing labels, and various custom labels for business or home use.

Image: Compatibility graphic for the D520-BT printer, listing major e-commerce and shipping platforms like eBay, Shopify, Amazon, FedEx, and UPS.
Maintenance
1. Cleaning the Printer
Regular cleaning helps maintain print quality and extends the life of your printer.
- Ensure the printer is powered off and unplugged before cleaning.
- Use a soft, lint-free cloth slightly dampened with isopropyl alcohol to gently wipe the print head. Avoid touching the print head with bare hands.
- Clean the platen roller (the rubber roller that feeds the labels) with the same damp cloth.
- Wipe the exterior of the printer with a dry, soft cloth.
- Allow all components to dry completely before powering on the printer.
2. Label Storage
Store thermal labels in a cool, dry place away from direct sunlight and heat sources to prevent premature fading or damage to the thermal coating.
Troubleshooting
If you encounter issues with your Phomemo D520-BT printer, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Printer not connecting via Bluetooth. | Bluetooth is off, device is out of range, or app not recognizing printer. | Ensure Bluetooth is enabled on your device. Check if the printer is within 5 meters. Restart the "Labelife" app and the printer. Try re-pairing the device. |
| Poor print quality (faint, incomplete). | Print head is dirty, labels are old/damaged, or incorrect label type. | Clean the print head as described in the Maintenance section. Use fresh, high-quality thermal labels. Ensure labels are loaded correctly. |
| Labels not feeding correctly or jamming. | Labels improperly loaded, label guides not adjusted, or debris in paper path. | Re-load labels, ensuring they are straight and the guides are snug. Clear any obstructions from the paper path. Calibrate the printer. |
| Cannot connect to Mac computer. | Driver incompatibility or specific Mac OS version issues. | Ensure you have the latest Mac drivers from the Phomemo website. Try connecting via USB. If issues persist, contact Phomemo support for specific Mac OS troubleshooting. |
| Printer not responding. | Power issue, connection problem, or printer error state. | Check power connections. Restart the printer and the connected device. Verify USB or Bluetooth connection. |
Specifications
| Feature | Detail |
|---|---|
| Model | D520-BT |
| Printing Technology | Thermal |
| Connectivity | Bluetooth, USB |
| Print Speed | Up to 150mm/s (approx. 60 4"x6" labels/minute) |
| Label Width | 0.78" to 4.4" |
| Max Input Sheet Capacity | 500 sheets (4"x6" labels) |
| Compatible Devices | Smartphones, Tablets, Laptops, PCs |
| Operating System Compatibility | Android, iOS, Mac OS, Windows, Linux, Google OS |
| Control Method | App ("Labelife") |
| Product Dimensions | 8.8"D x 7"W x 6.6"H (22.35 x 17.78 x 16.76 cm) |
| Item Weight | 4.24 pounds (1.92 kg) |
| Special Features | Bluetooth connectivity, large capacity paper bin, wide label size compatibility, DIY templates via app. |
Warranty and Support
Phomemo products are designed for reliability and performance. For specific warranty details, please refer to the warranty card included with your product or visit the official Phomemo website.
For technical support, troubleshooting assistance, or inquiries about replacement parts, please contact Phomemo customer service through their official website or the contact information provided in your product packaging. When contacting support, please have your product model (D520-BT) and purchase information ready.
Online Resources:
- Visit the Phomemo Store on Amazon for product information and accessories.
- Check the "Labelife" app for FAQs and in-app support.





