User Guide

Rongda Technology Thermal Ribbon Barcode Printer Introduction 1. Barcode Printer Introduction The RP4xx/RP5xx series thermal/ribbon barcode printers are equipped with a single-motor driven two-gear structure capable of handling 300-meter ribbons and designed for use with large-capacity label paper. If the internal paper capacity of 5" OD (outer diameter) is insufficient, this printer can support an industrial-grade standard 8.4" OD (outer diameter) paper capacity by purchasing an external paper roll holder. This printer can meet the needs of real-time, batch label printing and connects to other devices via standard serial interface, parallel interface, USB interface, network port, etc. It offers thermal or thermal transfer printing methods. The printer supports a wide range of paper types and can use various printing materials, including paper rolls, thermal paper, and folded paper...

Methods for Clearing Paper Jams and Troubleshooting 80mm Receipt Printers I. Clearing Paper Jams When a paper jam occurs, first turn off the printer power, open the printer cover, and carefully remove the jammed paper after the print head has cooled down. Then, feed the correct paper and close the cover. Using recommended or equivalent quality paper that meets the specified width is less likely to cause a jam. II. Troubleshooting When the printer malfunctions, refer to this section for corresponding troubleshooting. If the problem persists, please contact your dealer or manufacturer. 1. Indicator lights on the control panel are not lit. Check if the power cord is correctly plugged into the printer, power adapter, and power outlet. Check if the printer's power switch is turned on. 2. Indicator lights are normal, but the printer does not print...

Cleaning Methods for RP820 Thermal Receipt Printer 1. Cleaning the Printhead The printhead should be cleaned when the printer exhibits any of the following conditions: (1) Unclear printing; (2) Unclear vertical column of the printed page; (3) Loud paper feeding noise. The steps for cleaning the printhead are as follows: (1) Turn off the printer power, open the top cover, and remove any paper if present; (2) If printing has just finished, wait for the printhead to cool completely; (3) Wipe the dust and stains on the surface of the printhead with a soft cotton cloth dampened with anhydrous ethanol (wrung out); (4) After the anhydrous ethanol has completely evaporated, close the top cover and try printing again. 2. Cleaning the Sensor The paper out sensor should be cleaned when the printer exhibits any of the following conditions: (1...

Bluetooth POS Thermal Printer RP820: Switches, Buttons, and Indicator Lights 1. Power Switch The power switch is used to turn the printer on and off. The printer's power switch is located on the left side of the printer. Pressing the "-" button turns the printer on; pressing the "O" button turns the printer off. Note (1) Turn on the switch only after connecting to the power supply. 2. Buttons and Indicator Lights Button and Indicator Light Function Description: FEED Button: Paper Feed Button In standby mode, pressing the paper feed button continuously feeds paper. The paper feed button is ineffective during printing. Pressing and holding this button before powering on the printer will allow the printer to perform a self-test after power-on. PO...

Installation and Operation of RP820 80mm Thermal Receipt Printer 1. Printer Unpacking and Part Inspection: Upon unpacking, please check the included parts. If any are missing, please contact the supplier or manufacturer. 2. Printer Connection Method (1) Ensure both the printer and PC are turned off. Plug the included data communication cable into the printer's data port and the other end into the PC's USB/Ethernet port. (2) If an electrically operated cash drawer is included, plug the RJ-11 connector on the cash drawer into the printer's cash drawer port (the cash drawer specifications must match the printer's cash drawer driver specifications). (3) Connect the printer's dedicated power adapter. Please use the included dedicated power adapter...

RP820 Thermal Receipt POS Printer Technical Specifications ● Printing Method: Line thermal printing ● Paper Width: 79.5±0.5 mm ● Effective Print Width: 72 mm or 64 mm ● Effective Resolution: 203 dpi (8 dots/mm) ● Print Speed: 300 mm/sec MAX ● Printhead Performance: Print Density: 504 dots/line or 576 dots/line Lifespan: 100 km ● Printer Interface: Cash Drawer Control: 6-wire RJ-11 socket, outputs DC 24V/1A power signal to drive the cash drawer. ● Printed Characters: ASCII characters...

RP820 Thermal POS Printer Usage Precautions and Product Features 1. RP820 Thermal POS Printer Usage Precautions (1) The printer should be installed in a stable place, avoiding placement in areas subject to vibration and impact. (2) Do not use or store the printer in high temperature, high humidity, or heavily polluted areas. (3) Connect the printer's power adapter to a suitable grounded socket. Avoid using the same socket as large motors or other equipment that may cause voltage fluctuations. (4) Prevent water or conductive substances (e.g., metal) from entering the printer. If this occurs, immediately turn off the power. (5) The printer must not print without paper, otherwise it will seriously damage the printing rollers and thermal ink...

Troubleshooting Rongda RP331 Thermal Receipt Printer: I. Clearing the Printer Blade Jam: When the printer blade jams, the printer cover cannot be opened. Power off and restart the printer. If the blade does not return to its original position, turn off the printer power, open the printer front cover (as shown in the left image), and turn the manual dial (as shown by the arrow in the right image) until the cover can be opened normally. This clears the blade jam. II. Troubleshooting: When the printer malfunctions, refer to this section for corresponding troubleshooting. If the problem persists, please contact your dealer or manufacturer. 1. Indicator lights on the control panel are not lit: Check if the power cord is correctly plugged into the printer, power adapter, and power outlet. Check if the printer's power switch is turned on. 2. Indicator lights are normal, but the printer does not...

Cleaning Methods for Rongda RP331 Thermal Receipt Printer 1. Cleaning the Printhead The printhead should be cleaned when the printer exhibits any of the following conditions: (1) Unclear printing; (2) Unclear vertical column of the printed page; (3) Loud paper feeding noise. The steps for cleaning the printhead are as follows: (1) Turn off the printer power, open the top cover, and remove any paper if present; (2) If printing has just finished, wait for the printhead to cool completely; (3) Wipe away dust and stains on the surface of the printhead with a soft cotton cloth dampened with anhydrous ethanol (wrung out); (4) After the anhydrous ethanol has completely evaporated, close the top cover and try printing again. 2. Cleaning the Sensor The paper out sensor should be cleaned when the printer exhibits any of the following conditions: ...

Instructions and Self-Test for Rongda Technology RP331 80mm High-Speed ??Thermal Printer I. Printer Power On/Off, Buttons, and Indicator Lights The button and indicator panel are shown in the following diagram: Button and Indicator Light Function Description: FEED Button: Paper Feed Button In standby mode, pressing the paper feed button continuously feeds paper. The paper feed button is inactive during printing. Pressing and holding this button before powering on the printer will perform a self-test after power-on. POWER Light...

Installation and Operation of High-Speed ??Thermal Receipt Printer RP331 1. Printer Unpacking and Part Inspection: Upon unpacking, please check the included parts. If any are missing, please contact the supplier or manufacturer (examples are provided below). 2. Printer Connection Method (1) Ensure both the printer and PC are turned off. Plug the included data communication cable into the printer's data port and the other end into the PC's USB/Ethernet port. (2) If equipped with an electrically operated cash drawer, plug the RJ-11 connector on the cash drawer into the printer's cash drawer port (the cash drawer specifications must conform to the printer's cash drawer driver specifications). (3) Connect the printer's dedicated power adapter. Please use the included dedicated power adapter. Connect...

RP331 80mm Thermal Receipt Printer Technical Specifications ● Printing Method: Line thermal printing ● Paper Width: 79.5±0.5 mm ● Effective Print Width: 72 mm ● Effective Resolution: 203 dpi (8 dots/mm) ● Print Speed: 250 mm/sec MAX ● Printhead Performance: Print Density: 576 dots/line or 384 dots/line; Lifespan: 150 km ● Automatic Cutter: 2 million cuts ● Printer Interface: ...