1. Introduction
The Phomemo M834 is a compact and versatile portable thermal printer designed for on-the-go printing. It utilizes advanced thermal technology, eliminating the need for ink cartridges, making it a cost-effective and convenient solution for various printing needs. This manual provides detailed instructions for setting up, operating, and maintaining your Phomemo M834 printer.

Image: The Phomemo M834 portable printer in white, shown with various printed documents, a smartphone, and a Bluetooth symbol indicating wireless connectivity.
Key Features:
- Enhanced Print Clarity: 300 dpi resolution for sharp and clear prints.
- Versatile Paper Support: Compatible with US Letter, A4, 4.33'', 3.14'', 2.08'' paper sizes and roll, fold, and ordinary thermal paper types.
- Extended Battery Life: 2600mAh rechargeable battery for up to 160 pages of continuous printing.
- Wide Device Compatibility: Supports Bluetooth connection for smartphones (Android, iOS) and USB connection for PCs (Windows 10/11, Linux, Chrome OS, macOS).
- Inkless and Cost-Effective: Thermal technology eliminates the need for ink, toner, or ribbons.
2. Safety Information
Please read and follow these safety guidelines to ensure safe and proper operation of your Phomemo M834 printer:
- Do not disassemble, repair, or modify the printer yourself.
- Keep the printer away from water, moisture, and extreme temperatures.
- Use only the specified power adapter and cables provided with the printer.
- Avoid exposing the print head to direct contact, as it can be hot after prolonged use.
- Store thermal paper in a cool, dry place away from direct sunlight to preserve print quality.
3. What's in the Box
Upon unboxing your Phomemo M834 Portable Printer, please verify that all the following items are included:
- 1 Phomemo M834 Portable Printer (Upgraded)
- 1 Roll Thermal Paper
- 1 USB-C Cable
- 1 USB-C to USB Adapter
- 1 Flannelette Storage Bag
- 1 User Guide
4. Setup
4.1 Initial Charging
Before first use, fully charge the printer using the provided USB-C cable and a compatible power adapter. The charging indicator light will show the charging status.
4.2 Loading Thermal Paper
Open the paper compartment cover. Insert the thermal paper roll or folded paper with the printable side facing up. Ensure the paper is aligned correctly and close the cover securely.
4.3 Connecting Your Printer
The Phomemo M834 supports both Bluetooth and USB connections.

Image: The Phomemo M834 printer demonstrating its Bluetooth connectivity with mobile devices (Android, iOS, Tablets) and USB connectivity with computers (Chrome OS, Mac OS, Windows, Linux).
4.3.1 Bluetooth Connection (for Smartphones/Tablets)
- Download the 'Phomemo' App from the App Store (iOS) or Google Play (Android).
- Turn on the printer.
- Open the Phomemo App and enable Bluetooth on your device.
- Within the app, search for and connect to your M834 printer.

Image: A visual guide showing the three steps to connect the Phomemo M834 printer via Bluetooth: download the app, open the app and connect via Bluetooth, then select the file to print.
4.3.2 USB Connection (for PCs)
- Download the printer driver from the official Phomemo website (m834.phomemo.com).
- Connect the M834 printer to your laptop or PC using the provided USB-C cable.
- Select 'M834 Printer' from your computer's print options and proceed with printing.

Image: A visual guide illustrating the three steps for USB connection: download the driver, connect the printer to a laptop with the USB cable, and then select the M834 printer for printing.
Setup Videos:
Video: This video demonstrates how to connect the Phomemo M834 printer with a Mac OS system, guiding users through the necessary steps for successful pairing and printing.
Video: This video provides instructions on how to connect the M834 printer with a smartphone or tablet, detailing the process for wireless setup and use.
5. Operating Your Printer
5.1 Printing Documents and Images
Once connected, you can print various types of content. For mobile devices, use the Phomemo App to select documents (Word, TXT, PDF, Excel) or images for printing. The app also supports scanning and printing text.

Image: The Phomemo app interface displaying options for printing documents (Word, TXT, PDF, Excel), printing images (with free editing, batch printing, and collage features), and scanning to print with erasable text support.
5.2 Paper Compatibility
The M834 printer is designed to work with various thermal paper sizes and types to suit different applications.

Image: The Phomemo M834 printer demonstrating support for various thermal paper sizes including US Letter (216mm), A4 (210mm), 4.33'' (110mm), 3.14'' (80mm), and 2.08'' (53mm), and three types: flat paper, continuous paper, and roll paper.
Video: This video illustrates how the M834 printer supports multiple sizes of thermal paper, showcasing its versatility for different printing tasks.
5.3 Battery Life
The M834 is equipped with a 2600mAh rechargeable battery, allowing for extended use. A full charge supports approximately 160 pages of continuous printing.

Image: An illustration emphasizing the Phomemo M834's 2600mAh large capacity battery, indicating 300DPI high definition printing and the ability to print 160 pages on a full charge with inkless technology.
5.4 Print Quality
The M834 offers 300 DPI print clarity, providing sharp and clear output for various documents.

Image: A comparison showing the superior clarity of 300DPI printouts from the Phomemo M834 compared to 203DPI from other thermal printers, highlighting a 60% upgrade in pixels.
5.5 Portability
Weighing approximately 1.5 lbs, the M834 is designed for easy portability, making it ideal for travel and mobile use.

Image: A person sitting with a bag, showcasing the Phomemo M834 printer's compact and portable design, noting its weight of approximately 1.5 lbs (similar to a bottle of water) and dimensions.
Video: This video provides an overview of the Phomemo M834 Upgraded Portable Printer, highlighting its features and benefits for users seeking a mobile printing solution.
6. Maintenance
6.1 Cleaning the Printer
To maintain optimal print quality and extend the life of your printer, regular cleaning is recommended.
- Exterior: Wipe the exterior of the printer with a soft, dry cloth. Do not use abrasive cleaners or solvents.
- Print Head: If print quality degrades, gently wipe the print head with a cotton swab lightly dampened with isopropyl alcohol. 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 Paper Storage
Store thermal paper in a cool, dry place, away from direct sunlight, heat, and humidity. Improper storage can affect print quality and paper longevity.
7. Troubleshooting
If you encounter issues with your Phomemo M834 printer, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Printer not turning on | Low battery; Power button not pressed correctly | Charge the printer fully; Press and hold the power button for a few seconds. |
| Poor print quality (faded, lines) | Print head dirty; Incorrect paper loading; Low battery; Old thermal paper | Clean the print head; Ensure paper is loaded correctly; Charge the printer; Use fresh thermal paper. |
| Cannot connect via Bluetooth | Bluetooth not enabled; Printer not discoverable; App issue | Ensure Bluetooth is on for both devices; Restart printer and app; Reinstall app if necessary. |
| Paper jam | Improper paper loading; Damaged paper | Open cover, carefully remove jammed paper; Ensure paper is flat and aligned. |
| Printer not recognized by PC via USB | Driver not installed; Faulty USB cable/port | Install the correct driver from Phomemo website; Try a different USB cable or port. |
If the problem persists after trying these solutions, please contact Phomemo customer support for further assistance.
8. Specifications
| Feature | Detail |
|---|---|
| Brand | Phomemo |
| Model Name | M834 |
| Connectivity Technology | Bluetooth, USB |
| Printing Technology | Thermal |
| Special Feature | Portable Printers Wireless for Travel, Bluetooth Portable Printer |
| Color | White |
| Printer Output | Monochrome |
| Max Printspeed Monochrome | 3 ppm |
| Item Weight | 695 Grams |
| Product Dimensions | 12"D x 4.7"W x 4"H |
9. Warranty and Support
Phomemo provides a standard warranty for its products. Please refer to the warranty information included in your product packaging or visit the official Phomemo website for details regarding warranty terms and conditions.
For technical support, troubleshooting assistance, or any inquiries regarding your Phomemo M834 printer, please contact Phomemo customer service. You can often find contact information on the official website or within the Phomemo app.
An electronic version of the user guide is available for download: Phomemo M834 User Guide (PDF)





