1. Product Overview
The AIMO MR3 is a compact and portable wireless thermal tattoo stencil printer designed for creating precise tattoo stencils. It utilizes advanced thermal printing technology to produce crisp, accurate designs on specialized transfer paper. With its built-in rechargeable battery and smart app compatibility, it offers convenience and flexibility for tattoo artists and enthusiasts.

2. Package Contents
Please check the package for the following items:
- AIMO MR3 Mini Wireless Thermal Tattoo Stencil Printer
- USB Charging Cable
- User Manual (this document)
- (Optional, depending on purchase) Tattoo Transfer Paper (77/80mm width)
3. Setup Guide
3.1 Charging the Printer
Before first use, fully charge the printer using the provided USB cable. The printer has a built-in 2200mAh rechargeable battery.
3.2 App Installation
The AIMO MR3 printer operates via the 'ePrinter' mobile application. Download the app from your device's app store:
- For Android devices: Search for 'ePrinter' on Google Play Store.
- For iOS devices: Search for 'ePrinter' on the Apple App Store.

3.3 Preparing Transfer Paper
The AIMO MR3 is compatible with 77/80mm wide tattoo transfer paper. Each sheet typically consists of four layers:
- Master Sheet (for applying your design)
- Protective Tissue Paper (removed before use)
- Transfer Carbon Paper (for transferring the design)
- Yellow Backing Sheet (removed before use)

Before loading, carefully separate the yellow backing sheet and the protective tissue paper from the transfer paper, leaving only the master sheet and the carbon paper attached.
3.4 Loading Transfer Paper
- Open the top cover of the printer by pressing the release button.
- Remove the yellow backing paper and protective tissue from the transfer paper.
- Insert the prepared transfer paper into the printer with the blue carbon side facing up (front side facing up), ensuring it is aligned correctly.
- Close the top cover securely.

4. Operating Instructions
4.1 Connecting via Bluetooth
- Turn on the AIMO MR3 printer.
- Enable Bluetooth on your smartphone or tablet.
- Open the 'ePrinter' app. The app will guide you to connect to the printer via Bluetooth.
4.2 Printing a Stencil
- Within the 'ePrinter' app, select or design your desired tattoo pattern. The app offers features like AI tattoo design, preview, and a tattoo material library.
- Adjust print settings as needed (e.g., darkness, size).
- Initiate the print command from the app. The printer will feed the transfer paper and print the stencil.

4.3 Applying the Stencil
Once printed, the stencil can be transferred to the desired location on the skin. Follow standard tattoo stencil application procedures.


5. Maintenance
5.1 Cleaning
Regularly clean the printer's exterior with a soft, dry cloth. Avoid using harsh chemicals or abrasive materials. Ensure no debris obstructs the paper path.
5.2 Battery Care
To prolong battery life, avoid completely discharging the battery frequently. If storing the printer for an extended period, ensure it is partially charged (around 50%) and recharge it every few months.
5.3 Storage
Store the printer in a cool, dry place away from direct sunlight and extreme temperatures. Keep it free from dust and moisture.
6. Troubleshooting
6.1 Printer Not Connecting via Bluetooth
- Ensure the printer is powered on and fully charged.
- Verify Bluetooth is enabled on your mobile device.
- Restart both the printer and your mobile device.
- Ensure the 'ePrinter' app has Bluetooth permissions enabled.
6.2 Poor Print Quality / Faint Stencils
- Check if the transfer paper is loaded correctly with the blue carbon side facing up.
- Ensure the transfer paper is specifically designed for thermal stencil printers and is of good quality.
- Adjust the print density/darkness settings within the 'ePrinter' app.
- Clean the thermal print head if there are streaks or blank lines (refer to maintenance section).
6.3 Paper Jams
- Ensure the transfer paper is properly prepared (yellow backing and tissue paper removed) and inserted straight into the printer.
- Do not use wrinkled or damaged transfer paper.
- Open the printer cover and carefully remove any jammed paper.
6.4 Printer Not Printing
- Check if the printer has sufficient battery charge.
- Verify that the transfer paper is loaded correctly and there is enough paper.
- Ensure the Bluetooth connection is stable.
- Restart the 'ePrinter' app and the printer.
7. Specifications
| Feature | Specification |
|---|---|
| Model | AIMO MR3 |
| Type | Thermal Tattoo Stencil Printer |
| Max. Resolution | 203dpi |
| Print Speed | 23ppm |
| Max Paper Size | 80mm (3 inch) width |
| Paper Feed Mode | Manual |
| Interface Type | Bluetooth, Wired/Wireless |
| Voltage | 100-240V |
| Battery | 2200mAh Rechargeable (prints up to 280-330 pages) |
| Double-sided Printing | No |
| Dimensions (approx.) | 145mm (L) x 70mm (W) x 54mm (H) |
| Application | Professional Art and Image, Tattoo Stencil Printing |


8. User Tips
- Paper Compatibility: This printer is specifically designed for 77/80mm wide thermal tattoo transfer paper. It is NOT compatible with standard US Letter or A4 size paper.
- Purpose: The AIMO MR3 is intended for printing tattoo stencils that are then transferred to the skin for permanent tattoos. It does not print directly onto skin for temporary tattoos.
- App Features: Explore the 'ePrinter' app's AI tattoo design and material library features to enhance your creative process.
- Battery Life: With its 2200mAh battery, the printer can produce a significant number of stencils (up to 280-330 pages) on a single charge, making it ideal for on-the-go use.
9. Warranty & Support
This product is covered by the 'Shop's Three Guarantees' policy. For detailed warranty information, service, or technical support, please refer to the seller's official website or contact their customer service directly.