1. Introduction
This manual provides detailed instructions for the NETUM NT-8003DD 80mm Bluetooth Thermal Receipt Printer. Please read this manual carefully before using the product to ensure proper operation and to extend the lifespan of your device. This portable thermal printer is designed for various applications requiring quick and efficient receipt or bill printing, compatible with Android and iOS devices.
2. Product Features
- Mini structure and light weight for portability.
- 80mm thermal printing capability.
- Bluetooth connectivity for convenient wireless operation.
- High-speed printing at 90mm/s.
- Supports QR code and barcode printing.
- Equipped with a 2000mAh long-lasting lithium battery.
- Super power lithium electricity provides a standby time of 5-6 days.
- Auto sleep and auto awake functions to save power.
- Supports multiple languages.
- Low operating costs, as it requires no ribbons or ink cartridges.
- Compatible with Android and iOS operating systems.
- LED indicators to display power status and other information.
3. Package Contents
Please check the box for the following items:
- NETUM NT-8003DD Thermal Receipt Printer Unit
- Rechargeable Lithium Battery (2000mAh)
- USB Cable
- Thermal Paper Roll (starter roll)
- User Manual (this document)
4. Setup Instructions
4.1 Battery Installation
- Ensure the printer is powered off.
- Locate the battery compartment cover on the bottom or back of the printer.
- Open the battery compartment.
- Insert the provided lithium battery, ensuring the contacts align correctly.
- Close the battery compartment cover securely.
4.2 Paper Loading
- Press the cover open button/latch to open the paper roll compartment.
- Insert a new 80mm thermal paper roll into the compartment, ensuring the paper feeds out from the top and the print side is facing the print head.
- Pull a small amount of paper out beyond the cutting edge.
- Close the paper roll compartment cover firmly until it clicks into place.
4.3 Charging the Printer
Before first use, fully charge the printer's battery.
- Connect the provided USB cable to the printer's USB port.
- Connect the other end of the USB cable to a compatible USB power adapter (not included) or a computer's USB port.
- The 'CHARGE' LED indicator on the printer will illuminate, indicating that charging is in progress.
- Once fully charged, the 'CHARGE' indicator may change color or turn off, depending on the printer's design.
5. Operating Instructions
5.1 Power On/Off
- To Power On: Press and hold the power button (usually marked with a power symbol) for a few seconds until the indicator lights illuminate.
- To Power Off: Press and hold the power button again until the indicator lights turn off.
5.2 Bluetooth Pairing
To print wirelessly, you need to pair the printer with your Android or iOS device.
- Ensure the printer is powered on and within range of your device.
- On your mobile device, go to the Bluetooth settings and turn Bluetooth on.
- Search for available devices. The printer should appear as 'NT-8003DD' or a similar name.
- Select the printer from the list to initiate pairing. You may be prompted for a PIN (common default PINs are '0000' or '1234').
- Once paired, your device will show the printer as 'Connected'.
5.3 Printing
After successful Bluetooth pairing, you can print from compatible applications on your mobile device.
- Open the application from which you wish to print (e.g., a POS application, receipt printing app).
- Select the print option within the application.
- Choose the 'NT-8003DD' printer from the list of available printers.
- Confirm print settings and initiate the print job.
5.4 LED Indicators
The printer features several LED indicators on its control panel:
- CHARGE: Indicates charging status.
- ERROR: Illuminates when an error occurs (e.g., paper out, print head overheating).
- MODE: May indicate different operating modes or settings.
- Battery Level Indicators: A series of lights (e.g., 3-4 bars) showing the remaining battery charge.
6. Maintenance
6.1 Cleaning the Printer
- Exterior: Wipe the printer's exterior with a soft, dry cloth. Do not use harsh chemicals or abrasive cleaners.
- Print Head: If print quality degrades, the thermal print head may need cleaning. Use a cotton swab lightly dampened with isopropyl alcohol to gently wipe the print head surface. Allow it to dry completely before use.
- Paper Path: Remove any paper dust or debris from the paper path using a soft brush or compressed air.
6.2 Battery Care
- Avoid fully discharging the battery frequently.
- Charge the battery regularly, even if the printer is not in use for extended periods, to maintain battery health.
- Store the printer in a cool, dry place when not in use.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Printer does not power on. | Low battery or no battery installed. | Charge the battery or ensure it is correctly installed. |
| No print output. | Paper out, paper loaded incorrectly, or print head issue. | Check paper roll, reload correctly, or clean the print head. |
| Poor print quality. | Dirty print head or low-quality thermal paper. | Clean the print head. Try a different roll of thermal paper. |
| Cannot connect via Bluetooth. | Printer not in pairing mode, incorrect PIN, or device issue. | Ensure printer is on and discoverable. Re-enter PIN. Restart both devices. |
| ERROR indicator is on. | Paper out, cover open, or print head overheating. | Check paper, ensure cover is closed, or allow printer to cool down. |
8. Specifications
| Feature | Specification |
|---|---|
| Interface Type | USB + Bluetooth |
| Max Paper Size | 80mm |
| Black Print Speed | 70mm/s |
| Max. Resolution | 203 Dpi (8 Dot/mm) |
| Printing Method | Thermal Line Printing |
| Print Width | 48±0.5mm |
| Net Weight | 440g |
| Dimension (L*W*H) | 112*83*54mm |
| Print Command | ESC/POS |
| Paper Type | Thermal Roll Paper |
| Certification | CE, ROHS, FCC |
| Operating System | Android/iOS |
| Power Supply | Built-in 2000mAh Lithium Battery |
9. User Tips
- For optimal print quality, use high-quality thermal paper.
- Keep the printer's firmware updated for best performance and compatibility.
- When not in use, power off the printer to conserve battery life.
- Avoid exposing the printer to extreme temperatures or direct sunlight.
10. Warranty and Support
The NETUM NT-8003DD printer comes with a 12-month (1-year) warranty from the date of purchase. This warranty covers manufacturing defects and malfunctions under normal use.
For after-sales service, including returns and replacements, please contact your original point of purchase or the manufacturer's customer support. Ensure you have your purchase receipt and product model number available when seeking support.





