1. Introduction
This manual provides detailed instructions for the setup, operation, and maintenance of your HPRT iDPRT MT890 Portable Wireless Thermal Printer. Please read this manual thoroughly before using the printer to ensure proper function and longevity of the device.

Image: The HPRT iDPRT MT890 Portable Wireless Printer shown in a professional meeting environment, highlighting its compact size and suitability for various scenarios.
2. Product Overview
2.1 Key Features
- Advanced Inkless Technology: Utilizes thermal printing, eliminating the need for ink cartridges. Achieves high-speed printing, completing an A4 page in 5-8 seconds.
- Innovative Built-in Roll Paper Design: Supports thermal roll paper, allowing printing on various lengths as needed. Includes a serrated tearing knife for easy paper detachment.
- Versatile Connectivity: Compatible with Laptop (Mac, Windows, Linux, Chrome OS) via USB and mobile phones (iOS, Android) via Bluetooth.
- "HerePrint" Mobile Application: A free application offering extensive functions for a creative printing experience on mobile devices.
- Compact and Portable: Measuring 12.4 x 4.8 x 2.7 inches, this lightweight printer is designed for portability, fitting easily into briefcases, backpacks, or suitcases.

Image: An illustration highlighting the key features of the MT890 printer: Bluetooth/USB connectivity, inkless thermal printing, a 2500mAh battery capacity, and its lightweight design.
2.2 What's in the Box
The package includes:
- HPRT iDPRT MT890 Portable Wireless Thermal Printer
- Instruction Manual (this document)
- USB Cable (for charging and wired connection)
- Thermal A4 Paper Roll (for initial use)
3. Setup
3.1 Charging the Printer
Before initial use, fully charge the printer. Connect the provided USB cable to the printer's charging port and a compatible USB power adapter (not included) or computer USB port. The charging indicator light will show the charging status.

Image: The MT890 printer connected to a wall adapter via its USB cable, indicating the charging process.
3.2 Loading Thermal Paper
- Open the paper compartment cover.
- Insert the thermal paper roll into the compartment, ensuring the printable side faces the print head.
- Pull a small amount of paper out of the compartment.
- Close the paper compartment cover securely.
Note: Only use thermal paper. Regular A4 paper is not compatible with this printer. The printer supports various thermal paper sizes including US Letter, A4, and A5, as well as continuous roll paper.

Image: The MT890 printer with thermal paper being loaded, illustrating the support for multiple paper sizes like 8.5 inches (216mm), 8 inches (210mm), and 4 inches (110mm).
3.3 Software and Driver Installation
3.3.1 For Desktop Computers (Windows, Mac, Linux, Chrome OS)
To print from a desktop computer, you need to install the appropriate driver:
- Connect the printer to your computer using the provided USB cable.
- Visit the official iDPRT driver download page: https://www.idprt.com/Driver/
- Download and install the driver corresponding to your operating system.
- Follow the on-screen instructions to complete the installation.

Image: The MT890 printer connected to a laptop, with an overlay indicating the driver download website for Windows, Mac OS, and Linux.
3.3.2 For Mobile Devices (iOS, Android)
To print from your smartphone or tablet, download the "HerePrint" application:
- Scan the QR code provided in the product packaging or search for "HerePrint" in your device's app store (Apple App Store for iOS, Google Play Store for Android).
- Alternatively, visit the app download link: https://hereprint.hprt.com/app/hereprint
- Install the "HerePrint" application on your mobile device.

Image: The MT890 printer with a smartphone displaying the "HerePrint" app interface, alongside QR codes and app store icons for downloading the application on Android and iOS devices.
3.4 Connecting to the Printer
3.4.1 USB Connection (for Desktop)
After installing the driver, connect the printer to your computer using the USB cable. The computer should recognize the printer automatically.
3.4.2 Bluetooth Connection (for Mobile Devices)
- Ensure Bluetooth is enabled on your mobile device.
- Turn on the HPRT MT890 printer.
- Open the "HerePrint" application.
- Within the app, navigate to the device connection settings and select your MT890 printer from the list of available Bluetooth devices.
- Follow any on-screen prompts to pair the devices.

Image: A man working on a laptop, wirelessly printing a document to the compact HPRT MT890 printer placed on a table, demonstrating wireless connectivity and instant printing.
4. Operating Instructions
4.1 Printing from a Computer
- Ensure the printer is powered on and connected via USB.
- Open the document or image you wish to print on your computer.
- Select "Print" from the application's menu (e.g., File > Print).
- Choose "HPRT MT890" as your printer.
- Adjust print settings (e.g., paper size, orientation) as needed.
- Click "Print" to start the printing process.

Image: A woman at an office desk, focused on her laptop, with the MT890 printer beside her, illustrating its use for business document printing.
4.2 Printing from a Mobile Device
- Ensure the printer is powered on and connected via Bluetooth to your mobile device through the "HerePrint" app.
- Open the "HerePrint" application.
- Select the document, image, or content you wish to print within the app.
- Adjust print settings as available in the app.
- Tap "Print" to initiate printing.
5. Maintenance
5.1 Cleaning the Print Head
To maintain print quality, periodically clean the print head. Use a soft, lint-free cloth lightly dampened with isopropyl alcohol. Gently wipe the print head surface. Ensure the printer is turned off and cooled down before cleaning.
5.2 General Care
- Keep the printer away from dust, direct sunlight, and extreme temperatures.
- Avoid dropping or subjecting the printer to strong impacts.
- Use only recommended thermal paper. Using incorrect paper types can damage the print head.
- When not in use for extended periods, store the printer in a dry, cool place.

Image: A diagram illustrating the layered structure of high-quality 3-proof thermal paper, consisting of a protection layer, print layer, and paper layer. A note indicates that regular A4 paper cannot be used.
6. Troubleshooting
6.1 Printer Not Turning On
- Ensure the printer is fully charged. Connect it to a power source and wait for the charging indicator.
- Press and hold the power button for a few seconds.
6.2 No Print Output / Blank Pages
- Check if thermal paper is loaded correctly and the printable side is facing the print head.
- Ensure you are using thermal paper, not regular paper.
- Verify the printer is connected and recognized by your device.
6.3 Poor Print Quality
- Clean the print head as described in the Maintenance section.
- Ensure the thermal paper is of good quality and not expired or damaged.
- Check print settings in your application for density or darkness adjustments.
6.4 Cannot Connect via Bluetooth
- Ensure the printer is powered on and within range of your mobile device.
- Verify Bluetooth is enabled on your mobile device.
- Restart both the printer and your mobile device.
- Forget the device in your phone's Bluetooth settings and try pairing again through the "HerePrint" app.
6.5 Driver Installation Issues
- Ensure you downloaded the correct driver for your operating system from the official iDPRT website.
- Temporarily disable antivirus or firewall software during installation if issues persist.
- Try connecting the printer to a different USB port or computer.
7. Specifications
| Feature | Detail |
|---|---|
| Brand | HPRT |
| Model Name | MT890 |
| Connectivity Technology | Bluetooth, USB |
| Printing Technology | Thermal |
| Special Feature | Portable, Inkless |
| Printer Output | Monochrome |
| Max Print Speed (Monochrome) | 20.35 mm/s (approx. 5-8 seconds per A4 page) |
| Supported Sheet Sizes | US Letter, A4, A5, Roll Paper (up to 8.5 inches wide) |
| Product Dimensions | 3.74 x 10.6 x 1.97 inches |
| Battery Capacity | 2500mAh |
| UPC | 728434048190 |

Image: The MT890 printer shown alongside a laptop bag and other accessories, illustrating its compact dimensions (10.6in length, 3.7in width, 1.9in height) and ease of portability.
8. Warranty and Support
This product comes with a 90-day limited warranty from the date of purchase. This warranty covers manufacturing defects and malfunctions under normal use. It does not cover damage caused by misuse, accidents, unauthorized modifications, or use of non-thermal paper.
For technical support, warranty claims, or further assistance, please contact HPRT customer service. Refer to the official HPRT website for contact information.





