1. Introduction
This manual provides detailed instructions for the setup, operation, maintenance, and troubleshooting of your Rongta RP335A 80mm USB Thermal POS Printer. Please read this manual thoroughly before using the printer to ensure proper function and longevity of the device.
2. Product Overview
The Rongta RP335A is an 80mm thermal POS printer designed for efficient and reliable receipt printing in various business environments. It features high-speed printing, automatic paper cutting, and versatile connectivity options.
Key Features:
- Auto Cutting Function: Automatically cuts paper after printing.
- Logo Trademark Printing: Supports printing of custom logos and trademarks.
- QR Code Printing: Capable of printing QR codes.
- Multilingual Support: Prints text in over 100 languages.
- High Print Speed: Up to 250 mm/sec.
- Durable Design: Cutter life of 1 million cuts, printhead life of 100 km.
Printer Components:

This image displays the Rongta RP335A thermal POS printer, a compact black device designed for point-of-sale receipt printing. The top features a paper output slot, and the front panel includes indicator lights and control buttons.
3. Setup Instructions
Follow these steps to set up your Rongta RP335A printer:
- Connect Power: Connect the power adapter to the printer and then to a power outlet. The power adapter input is AC 110V/220V, 50~60 Hz, with a power output of DC 24V/2.5A.
- Connect to Device: Connect the printer to your computer or device using the provided USB cable. The printer supports USB and USB + LAN communication ports.
- Install Paper Roll: Open the paper cover, insert an 80mm thermal paper roll, ensuring the paper feeds correctly through the output slot. Close the cover securely.
- Install Drivers: Download and install the appropriate printer driver for your operating system. Drivers are available for Windows (7/8/8.1/10/XP/2000/2003/Vista), Linux, and Mac OS. Refer to the manufacturer's website for the latest drivers.
- Test Print: After driver installation, perform a test print from your computer to confirm proper communication and functionality.
4. Operating Instructions
To operate the Rongta RP335A printer:
- Power On: Ensure the printer is connected to power and your device, then press the power button.
- Select Printer: In your application (e.g., POS software, word processor), select the Rongta RP335A 80mm Thermal POS Printer from the list of available printers.
- Adjust Settings: Configure any necessary print settings, such as paper size, print quality, or specific features like logo printing, within your application's print dialogue.
- Initiate Print: Click the print button in your application. The printer will automatically print the document and cut the paper.
5. Maintenance
Regular maintenance ensures optimal performance and extends the life of your printer:
- Cleaning the Printhead: Periodically clean the thermal printhead with a soft, lint-free cloth moistened with isopropyl alcohol. Ensure the printer is off and cooled down before cleaning.
- Cleaning the Cutter: Keep the auto-cutter area free from paper dust and debris. Use a soft brush or compressed air.
- Paper Quality: Use high-quality thermal paper to prevent premature wear of the printhead and cutter.
- Environmental Conditions: Operate the printer in a clean, dry environment, away from direct sunlight and extreme temperatures.
6. Troubleshooting
If you encounter issues with your Rongta RP335A printer, consider the following:
- No Power: Check all power connections and ensure the power outlet is functional.
- No Print Output: Verify that the printer is correctly connected to your computer, the paper roll is installed properly, and the printer drivers are installed and selected in your application.
- Poor Print Quality: Check the thermal paper quality and ensure the printhead is clean.
- Paper Jams: Turn off the printer, open the paper cover, and carefully remove any jammed paper. Ensure the paper roll is correctly seated.
- Driver Issues: Reinstall the printer drivers or update them to the latest version from the manufacturer's website.
For persistent issues, contact customer support.
7. Specifications
| Feature | Specification |
|---|---|
| Model Number | RP335A |
| Printer Technology | Direct Thermal |
| Connectivity Technology | USB (USB + LAN option available) |
| Max Paper Size | 80mm |
| Paper Width | 79.5 +/- 0.5 mm |
| Printing Width | 72mm |
| Printing Speed | 250mm/s |
| Max. Resolution | 203 dpi |
| Auto Cutter Life | 2 million cuts |
| Printer Head Life | 150 km |
| Driver Support | WIN98/WIN2000/WINNT/WINXP/OPOS/WIN7/WIN8/Linux/Mac OS |
| Power Input | AC 110V/220V, 50~60 Hz |
| Power Output | DC 24V/2.5A |
| Cash Drawer Output | DC 24V/1A |
| Product Dimensions | 10 x 10 x 10 cm |
| Item Weight | 150 Grams |
| Special Features | Borderless Printing |
8. Warranty Information
The Rongta RP335A 80mm USB Thermal POS Printer comes with a 1-Year Warranty from the date of purchase. This warranty covers manufacturing defects under normal use. Please retain your proof of purchase for warranty claims. The warranty does not cover damage caused by misuse, accidents, unauthorized repairs, or consumables such as thermal paper.
9. Customer Support
For further assistance, technical support, or warranty inquiries, please contact your retailer or the manufacturer's customer service department. Ensure you have your product model number (RP335A) and purchase details available when contacting support.





