1. Introduction
The Rongta RP850 is an 80mm thermal receipt printer designed for point-of-sale (POS) environments, including restaurants and kitchens. It features an auto-cutter, sound and light indicators for order reminders, and multiple interface options for versatile connectivity.
Important Compatibility Notice: This printer is not compatible with Square, Clover, Chromebook, UberEats, Grubhub, Doordash, Postmates, Upserve, Shopify, Gloriafoods, or Lightspeed systems. It does not support Wi-Fi or Bluetooth connectivity. It is also not compatible with iPhone, iPad, Android phones, or Android tablets. The RP850 is designed to work with laptops and desktop computers running Windows, Mac, or Linux operating systems.
2. Product Overview
2.1 Interfaces
The RP850 printer offers several connectivity options located on the rear panel:
- USB Port: For direct connection to a computer.
- LAN Port (Ethernet): For network connectivity.
- Serial Port: For serial data communication.
- Cash Drawer Port: For connecting a cash drawer.
- Power Port: For connecting the power adapter.
2.2 Key Features
- Auto Cutter: Automatically cuts receipts after printing.
- Sound and Light Indicator: Provides audible and visual alerts for order reminders. This function can be configured.
- Wall Hanging Design: Features two hanging holes on the bottom for wall mounting, optimizing space.
- DIP Switches: Located on the bottom for advanced configuration of features like auto-cutter, languages, and print density.
3. Setup
3.1 Unpacking and Initial Inspection
Carefully remove the printer from its packaging. Inspect the printer for any signs of damage. Ensure all components, including the power adapter and any included cables, are present.
3.2 Loading Thermal Paper
The RP850 uses 80mm wide thermal receipt paper. Follow these steps to load the paper:
- Open the printer's top cover by pressing the release latch.
- Insert the thermal paper roll into the compartment, ensuring the paper feeds from the bottom and the leading edge extends out of the printer.
- Close the top cover firmly until it latches.
3.3 Connecting to a Computer
Connect the printer to your computer using one of the available interfaces (USB, Serial, or Ethernet). Ensure the power adapter is connected to the printer and a power outlet.
3.4 Driver Installation
Drivers are essential for your computer to communicate with the printer. A USB flash drive containing the user guide and driver setup guide (PDF) is included with the printer. If the USB flash drive is unavailable or lost, drivers can be downloaded from the official Rongta website.
- Windows/Linux: Follow the instructions in the driver setup guide for your operating system.
- Mac OS: The USB flash drive includes a specific Mac OS driver installation manual. Please read it carefully before proceeding with the installation.
- TCP/IP Installation: The printer can also be installed via TCP/IP for network printing. Refer to the driver setup guide for detailed instructions.
4. Operating Instructions
4.1 Basic Printing
Once the drivers are installed and the printer is connected, you can print receipts from your compatible POS software or application. Ensure the printer is selected as the default or desired printer in your system settings.
4.2 Sound and Light Indicator Settings
The printer features a sound and light indicator for order reminders. This function can be configured or disabled using the printer tool software (available on the USB flash drive or official website).
- To disable the sound: Open the printer tool, navigate to "Other" settings, select "Volume Set," choose "Voiceless," and then click "Set."
- The printer tool also allows you to adjust font settings and other parameters.
4.3 DIP Switches Configuration
The DIP switches located on the bottom of the printer allow for advanced configuration. These switches can control settings such as the auto-cutter function, language, sound-light indicator behavior, and print density. Refer to the detailed instructions in the user guide (on the USB flash drive or official website) for proper configuration.
5. Maintenance
5.1 Paper Replacement
When the paper roll is depleted, replace it by following the steps outlined in Section 3.2, "Loading Thermal Paper." Ensure you use 80mm thermal paper.
5.2 Cleaning the Printer
Regular cleaning helps maintain printer performance and extends its lifespan:
- Print Head: Use a soft, lint-free cloth lightly dampened with isopropyl alcohol to gently wipe the thermal print head. 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.
- Exterior: Wipe the exterior of the printer with a soft, dry cloth. Avoid using harsh chemicals.
6. Troubleshooting
This section addresses common issues you might encounter with the Rongta RP850 printer.
- Printer Not Responding/Printing:
- Check all cable connections (power, USB/Serial/Ethernet).
- Ensure the printer is powered on.
- Verify that the correct printer driver is installed and selected in your operating system and application.
- Incorrect or Faint Printing:
- Ensure you are using thermal paper, loaded correctly.
- Use the "Rongta printer tool" to check and adjust print density settings.
- If using a POS program, you may need to change the printer emulation (e.g., to emulate a Star printer) within the "Rongta printer tool" for proper functionality.
- Unwanted Beeping/Sound Indicator:
- Refer to Section 4.2, "Sound and Light Indicator Settings," to configure or disable the sound via the printer tool.
- Driver Installation Issues:
- If the included USB flash drive is not working, download the latest drivers from the official Rongta website.
- For Mac OS, ensure you follow the specific Mac OS driver installation manual.
If you encounter persistent issues, please contact Rongta customer support or visit their official website for further assistance.
7. Specifications
| Feature | Specification |
|---|---|
| Model Name | RP850 |
| Brand | Rongta |
| Product Dimensions | 7.87"W x 5.71"D x 5.59"H (200mm x 145mm x 142mm) |
| Item Weight | 3.01 pounds (1.37 Kilograms) |
| Connectivity Technology | USB, Ethernet, Serial |
| Printing Technology | Thermal |
| Maximum Media Size | 80mm |
| Paper Width Support | 80mm / 58mm |
| Print Width | 72mm / 48mm |
| Maximum Print Resolution | 203dpi |
| Max Print Speed Monochrome | 120 ppm |
| Compatible Operating Systems | WIN2003/WINXP/WIN7/WIN8/WIN10/LINUX/Mac |
| Command Compatibility | ESC/POS/OPOS |
| Special Feature | Portable (design for placement) |
| UPC | 714119453304 |
8. Warranty and Support
8.1 Warranty Information
The Rongta RP850 printer comes with a limited warranty. Please refer to the warranty documentation included with your product or visit the official Rongta website for specific terms and conditions.
8.2 Customer Support
For technical assistance, driver downloads, or any questions regarding your Rongta RP850 printer, please visit the official Rongta website or contact their customer support team. Contact information can typically be found on the manufacturer's website or in the product packaging.
