Introduction
Thank you for choosing the HPRT MT620 Portable Thermal Printer. This compact and versatile printer is designed for on-the-go printing, supporting various document sizes and offering seamless connectivity with multiple devices. This manual provides essential information for setting up, operating, and maintaining your printer to ensure optimal performance.

Image: The HPRT MT620 Portable Thermal Printer actively printing a document, demonstrating its compact design and ease of use.
Package Contents
Please check the box for the following items:
- HPRT MT620 Portable Thermal Printer
- USB Charging Cable
- User Manual (this document)
- Sample Thermal Paper Roll (may vary by region)
Specifications
| Feature | Detail |
|---|---|
| Model | MT620 |
| Printer Type | Thermal Printer |
| Max Paper Size | 216mm (supports A4, A5, US Letter, 4"x6", 5"x7") |
| Print Speed | 16ppm |
| Connectivity | Bluetooth, USB |
| Network Printing | Wireless (via Bluetooth) |
| Double-sided Printing | No |
| Paper Feed Mode | Manual |
| Battery Capacity | 2000mAh |
| Battery Life | Up to 200 A4 sheets on a full charge |
| Charging Interface | USB |
| Dimensions (L x W x H) | 266mm (10.47") x 55mm (2.17") x 47mm (1.85") |
| Weight | Approximately 0.67 kg (package weight) |
| Origin | Mainland China |

Image: The HPRT MT620 printer's flexibility in handling various paper sizes, from shipping labels to legal documents, including A5, US Letter, A4, 4"x6", and 5"x7".

Image: Visual representation of the printer's 2000mAh high-capacity battery, highlighting its USB charging capability and ability to print up to 200 A4 sheets per charge.

Image: Detailed view of the HPRT MT620 printer, labeling the Power button, Cover-Opening Button, USB Interface, and providing precise dimensions (Length: 266mm, Width: 55mm, Height: 47mm).
Setup Guide
Follow these steps to set up your HPRT MT620 printer:
- Charge the Printer: Connect the printer to a power source using the provided USB cable. The battery indicator will show charging status. Ensure it's fully charged before first use for optimal battery life.
- Download APP/Driver:
- For mobile devices (iOS/Android): Download the official HPRT printing app from your device's app store.
- For computers (Windows/Mac/Linux/Chrome): Download the appropriate driver from the official HPRT website: https://download.hprt.com/HPRT-MT620. Install the driver before connecting the printer via USB.
- Open Cover and Adjust Separator: Gently open the printer cover. Locate the paper separator and adjust it to match the width of the thermal paper you intend to use.
- Load Paper: Insert the thermal paper into the printer with the glossy side facing upwards. Ensure the paper is aligned correctly and feeds smoothly.
- Connect Device:
- Bluetooth Connection: Turn on the printer. On your mobile device, enable Bluetooth and search for available devices. Select "HPRT MT620" (or similar name) to pair. Follow any on-screen prompts.
- USB Connection: Connect the printer to your computer using the USB cable. The computer should recognize the printer after the driver installation.
- Ready to Print: Once connected, you can now send print jobs from your device.

Image: Step-by-step visual instructions for setting up the HPRT MT620 printer, covering driver installation, paper loading, and device connection.

Image: Overview of device compatibility for the HPRT MT620, showing support for Android, iOS, iPad via Bluetooth, and Windows, Mac, Linux, Chrome via USB, along with the driver download link.
Operating Instructions
Using your HPRT MT620 printer is straightforward:
- Power On/Off: Press and hold the Power button (refer to the diagram in the Specifications section) for a few seconds to turn the printer on or off.
- Sending Print Jobs:
- From Mobile App: Open the HPRT app, select the document or image you wish to print, and follow the app's instructions to send the print job to your connected printer.
- From Computer: Open the document on your computer, select "Print" from the application menu, choose the HPRT MT620 as your printer, adjust settings if necessary, and click "Print".
- Paper Loading: Always ensure the thermal paper is loaded correctly with the glossy side up. If the paper runs out during printing, replace it and resume the print job if supported by your application.
- Status Indicators: Observe the LED indicators on the printer for status updates (e.g., power on, charging, error, low battery). Refer to the full manual for detailed indicator meanings.

Image: The HPRT MT620 printer in a mobile setting, highlighting its portability for printing on the go, such as during travel.

Image: A collage showcasing the HPRT MT620 printer's adaptability for use in diverse environments, including vehicles, meetings, home offices, and outdoor settings.
Maintenance
Proper maintenance ensures the longevity and performance of your thermal printer:
- Cleaning the Print Head: Regularly clean the thermal print head with a soft, lint-free cloth lightly dampened with isopropyl alcohol. Ensure the printer is off and cooled down before cleaning.
- Cleaning the Paper Path: Remove any paper dust or debris from the paper path using a soft brush or compressed air.
- Battery Care: To prolong battery life, avoid fully discharging the battery frequently. Store the printer in a cool, dry place if not used for extended periods.
- Paper Quality: Use high-quality thermal paper recommended for your printer to prevent damage to the print head and ensure clear prints.
- Storage: Store the printer in a clean, dust-free environment.
Troubleshooting
Here are some common issues and their solutions:
| Problem | Possible Solution |
|---|---|
| Printer not turning on | Ensure the battery is charged. Connect to a power source and try again. |
| No print output / Blank pages | Check if thermal paper is loaded correctly (glossy side up). Ensure the paper is not empty. Clean the print head if necessary. |
| Poor print quality (faded, lines) | Clean the print head. Ensure you are using good quality thermal paper. Check if the paper is old or exposed to heat/light. |
| Cannot connect via Bluetooth | Ensure Bluetooth is enabled on both devices. Make sure the printer is in pairing mode or discoverable. Forget and re-pair the device. Ensure no other device is connected to the printer. |
| Cannot connect via USB | Ensure the correct driver is installed on your computer. Try a different USB port or cable. Restart your computer and printer. |
| Paper jam | Turn off the printer. Carefully open the cover and remove any jammed paper. Ensure the paper separator is correctly adjusted for the paper width. |
User Tips
- For best results, always use fresh, high-quality thermal paper.
- Keep the printer's firmware updated through the official app or website for new features and bug fixes.
- When printing from mobile, ensure the HPRT app has necessary permissions (e.g., Bluetooth, storage access).
- To save battery, turn off the printer when not in use.
Warranty and Support
For warranty information, technical support, or service inquiries, please refer to the official HPRT website or contact their customer service directly. Keep your purchase receipt as proof of purchase for warranty claims.
Official HPRT Website: www.hprt.com