1. Introduction
This manual provides comprehensive instructions for the installation, operation, maintenance, and troubleshooting of the Aibecy EM5822H Embedded Thermal Receipt Printer. Designed for integration into various systems, this printer offers versatile connectivity options including Bluetooth (BT), USB, TTL, and RS232 serial ports, making it suitable for microcontroller secondary development and a wide range of applications.
2. Safety and Compliance
Warning: This product contains IQ (2-Amino-3-methylimidazo[4,5-f] quinoline), a chemical known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov
3. Product Features
- Versatile Compatibility: Connects to MCU, Android, Linux, Windows, and other platforms.
- Flexible Connectivity: Multiple interfaces including RS232, TTL, USB, and Bluetooth (BT).
- Simple Operation: Easy paper replacement via front panel and secure mounting with side screws.
- Secondary Development Support: Provides secondary development kit for Android, including ESC/POS printing instruction set and development materials.
- Firmware Upgrade: Clear program upgrade interface for maintenance without disassembly.
- Wide Applications: Ideal for industrial equipment control panels, cash registers, self-service machines, vehicle printing, and laboratory instruments.
4. Specifications
| Feature | Specification |
|---|---|
| Model | EM5822H |
| Brand Name | Aibecy |
| Material | ABS |
| Resolution | 203dpi |
| Print Method | Line Thermal |
| Input Mode | Black and White |
| Paper Width | ≤50mm |
| Paper Roll Length | Approx. 27.5m / 90ft |
| Print Width | Approx. 58mm / 2.28in |
| Print Speed | 90mm/s |
| Cutter | Without |
| Working Current | 2.5A |
| Dot Density | 384 Dots/Line, 8 Dots/mm |
| Service Life | 13 Million Lines |
| Interface Type | USB, TTL, RS232, BT (Bluetooth) |
| Signal Connection Type | Wi-fi (Note: Primary interfaces are BT, USB, TTL, RS232) |
| Print Content | Text, Graphics, Characters, Curves, 1D Barcodes, 2D Barcodes |
| Support System | Windows, Linux, Android, etc. |
| Product Size | Approx. 82mm x 57mm x 43mm (3.23in x 2.24in x 1.69in) |
| Color | Black |
| Battery Included | No |
| Double-sided Printing | No |
| Supports Network Printing | No |
| Paper Feed Mode | Roll Feed |
| Origin | Mainland China |
| Certification | NONE |
Figure 1: EM5822H Printer Dimensions (82x57x43mm)
5. Package Contents
The EM5822H Embedded Thermal Receipt Printer package includes:
- 1 x EM5822H Embedded Thermal Receipt Printer
- 1 x Paper Spool
- 2 x Connection Cables
- 1 x Paper Roll
Figure 2: EM5822H Printer and Included Cables
Figure 3: Connection Cables
6. Product Overview (Diagrams)
Familiarize yourself with the external components and interfaces of the EM5822H printer.
Figure 4: External Components of the EM5822H Printer
- Paper warehouse cover: Protects the paper roll compartment.
- Open lid button: Releases the paper warehouse cover for paper loading.
- Indicator light and paper feed button: Provides status indication and manual paper feed control.
- Fixed slider: Used for securing the printer in an embedded setup.
- Paper output port: Where printed receipts exit the printer.
Figure 5: Interface Ports
- POWER: Power input port.
- USB: USB interface for data communication.
- TTL: Transistor-Transistor Logic serial interface (VCC, CTS, TX, RX, GND pins).
- RS232: Recommended Standard 232 serial interface (VCC, TX, RX, GND pins).
7. Installation and Setup
7.1 Physical Installation
- Mounting: The printer can be fixed to a device by twisting the screws on both sides of the paper compartment, which allows the fixed slider to secure the unit.
- Paper Loading:
- Open the paper compartment cover on the front panel by pressing the 'Open lid button'.
- Insert the paper roll into the compartment, ensuring the paper feeds correctly towards the paper output port.
- Close the paper compartment cover until it clicks into place.
7.2 Connectivity
Connect the printer to your host device using one of the available interfaces:
- USB: Use a standard USB cable to connect the printer's USB port to your computer or embedded system.
- Bluetooth (BT): Pair the printer with your Bluetooth-enabled device. Refer to your device's Bluetooth pairing instructions.
- TTL/RS232: Use the provided cables to connect the TTL or RS232 serial ports to your microcontroller or other serial communication device. Ensure correct pin connections (VCC, TX, RX, GND, CTS for TTL).
7.3 Driver and Software Installation
For Windows and Linux systems, appropriate drivers may be required. For Android, a secondary development kit is provided, which includes the ESC/POS printing instruction set and development materials to facilitate integration.
8. Operation
8.1 Basic Printing
Once connected and configured, the printer can receive print commands from your host system. The printer supports the ESC/POS printing instruction set, allowing for control over text, graphics, characters, curves, 1D barcodes, and 2D barcodes.
- Print Speed: The printer operates at a speed of 90mm/s.
- Paper Feed: Use the paper feed button on the front panel for manual paper advancement, or control it via software commands.
Figure 6: Printer in Operation, producing a receipt.
9. Maintenance
9.1 Paper Replacement
To replace the thermal paper roll:
- Press the 'Open lid button' on the front panel to open the paper compartment cover.
- Remove the empty paper spool (if any) and insert a new thermal paper roll, ensuring the paper feeds smoothly from the bottom of the roll.
- Pull a small length of paper out past the paper output port.
- Close the paper compartment cover firmly until it latches.
9.2 Firmware Updates
The printer features a clear small program upgrade setting interface, which allows for firmware updates without requiring disassembly or returning the unit to the factory for maintenance. Refer to the provided development materials or manufacturer's website for specific instructions on performing firmware updates.
10. Troubleshooting
This section provides general guidance for common issues. For more detailed troubleshooting or specific error codes, please refer to the technical documentation provided with the secondary development kit or contact support.
- Printer not responding: Check power connection, interface cable connection (USB, TTL, RS232), and Bluetooth pairing status. Ensure the correct drivers are installed.
- No print output: Verify that paper is loaded correctly and that the paper compartment cover is fully closed. Check for any error indicator lights.
- Poor print quality: Ensure you are using thermal paper. Check for any debris in the print head area.
11. User Tips
No specific user tips were available from buyer reviews or Q&A for this product at the time of writing this manual.
12. Warranty and Support
For warranty information and technical support, please contact the seller, Globalgadget Store, or refer to the documentation provided at the time of purchase. Keep your purchase records for warranty claims.





