1. Introdución
Thank you for choosing the MUNBYN RW403B Thermal Label Printer. This device is designed to streamline your labeling tasks with its advanced features, including Bluetooth connectivity, high-precision DAC technology, and quiet operation. This manual will guide you through the installation, operation, and maintenance of your printer to ensure optimal performance.
Vídeo: Rematadoview of the MUNBYN RW403B Thermal Label Printer, demonstrating its features and ease of use for various labeling needs.
2. Contido do paquete
Comprobe que todos os elementos estean presentes no paquete:
- Impresora térmica de etiquetas MUNBYN RW403B
- Adaptador de alimentación
- Cable USB
- Guía de inicio rápido
- Sample Etiquetas
3. Impresora rematadaview
Familiarize yourself with the main components of your printer:
- Botón de encendido: Acende/apaga a impresora.
- Luz indicadora de estado: Displays printer status (e.g., power on, error, printing).
- Ranura de saída da etiqueta: Onde xorden as etiquetas impresas.
- Label Roll Compartment: Holds the label roll.
- Porto USB: For wired connection to computers.
- Porto de alimentación: Para conectar o adaptador de alimentación.

Image: The MUNBYN RW403B printer in operation, demonstrating its compact design and label output.
4. Configuración
4.1 Desembalaxe e colocación
- Remove the printer and all accessories from the packaging.
- Coloque a impresora sobre unha superficie estable e plana.
4.2 Conexión de alimentación
- Conecte o adaptador de corrente ao porto de alimentación da impresora.
- Enchufe o adaptador de alimentación a unha toma de corrente.
- Press the power button to turn on the printer. The status indicator light will illuminate.
4.3 Cargar etiquetas
- Abra a tapa da impresora.
- Place the label roll into the label compartment, ensuring the labels feed smoothly from the bottom.
- Adjust the label guides to fit the width of your labels snugly.
- Close the printer cover. The printer will automatically detect and calibrate the label size.

Image: The printer demonstrating its adjustable label guides, supporting label widths from 1.57 to 4.25 inches.
4.4 Instalación e conectividade do software
The MUNBYN RW403B supports both Bluetooth and USB connectivity across various operating systems.
- For Mobile Devices (iOS/Android): Download the "Munbyn Print" app from your device's app store. Follow the in-app instructions to connect via Bluetooth.
- For Desktop (Mac/Windows): For Bluetooth connectivity, ensure your computer's Bluetooth is enabled and pair with the printer. For USB connection, simply connect the printer to your computer using the provided USB cable. No driver installation is typically required for major shipping platforms.
- Para Chrome OS: Utilize the "Munbyn Editor" web application for label design and printing.

Image: Illustration of the printer's versatile connectivity, supporting both wireless Bluetooth and wired USB connections for various devices.
5. Instrucións de funcionamento
5.1 Printing Shipping Labels
The RW403B printer is compatible with major shipping platforms such as FedEx, UPS, USPS, Amazon, Shopify, Etsy, and eBay.
- Generate your shipping label from your preferred platform.
- Ensure the label size in your software settings matches the physical labels loaded in the printer (e.g., 4x6 inches).
- Select the MUNBYN RW403B as your printer and initiate the print command.

Image: Demonstrates the one-click wireless printing feature, allowing users to print shipping labels directly from their mobile devices or computers.
5.2 Designing and Printing Custom Labels
Utilize the "Munbyn Print" app (mobile) or "Munbyn Editor" (Chrome web application) to create custom labels.
- Open the Munbyn Print app or Munbyn Editor.
- Choose from over 2,000 templates and 3,500 pre-made design elements, or start from scratch.
- Customize your label with text (over 80 fonts available), images, OCR/voice recognition, and more.
- Preview your design and send it to the printer.

Image: The Munbyn Print App and Editor provide extensive tools for fast and easy custom label design, including templates, elements, and fonts.
6. Características clave
- Advanced DAC Technology: The RW403B features a 4-inch DAC chip that automatically calibrates, eliminating 99.8% of label alignment defects and ensuring military-grade precision for flawless labels.
- Enhanced Print Clarity: Designed for professional-grade output, this printer ensures 0.1mm font readability, producing crisp monochrome labels for return slips, inventory, organization, and branding.
- Funcionamento silencioso: Operating at only 60 dB, the printer is quieter than typing, allowing for focused work in home offices, libraries, or shared workspaces.
- Exceptional Durability: Engineered for longevity, the RW403B can print up to 970,000 labels, significantly outlasting many standard devices. Its professional-grade design minimizes paper jams to less than 0.01%.
- Soporte versátil de etiquetas: The printer supports a printable width of 1.57 to 4.25 inches, accommodating a wide range of label types and sizes for various applications.

Image: Visual representation of the printer's DAC technology, ensuring precise alignment and clear printing on various label types.

Image: A close-up comparison highlighting the superior clarity of labels printed with the MUNBYN RW403B, even for small details like barcode numbers.

Image: An illustration comparing the impressive lifespan of the MUNBYN RW403B, capable of printing up to 970,000 labels, six times more than typical printers.
7. Mantemento
7.1 Limpeza do cabezal de impresión
To maintain print quality, regularly clean the print head:
- Apague a impresora e desenchufe o cable de alimentación.
- Abra a tapa da impresora.
- Gently wipe the print head with an alcohol swab or a soft, lint-free cloth dampcon alcohol isopropílico.
- Deixe que o cabezal de impresión seque completamente antes de pechar a tapa e volver acender a impresora.
7.2 Coidados xerais
- Keep the printer free from dust and debris.
- Evite expoñer a impresora a temperaturas extremas ou á luz solar directa.
- Use only high-quality thermal labels to prevent damage to the print head and ensure optimal print results.
8 Solución de problemas
If you encounter issues with your MUNBYN RW403B printer, refer to the following common problems and solutions:
| Problema | Causa posible | Solución |
|---|---|---|
| A impresora non responde | No power, incorrect connection, software issue. | Check power cable, verify USB/Bluetooth connection, restart printer and computer/app. |
| Mala calidade de impresión | Dirty print head, low-quality labels, incorrect print density. | Clean the print head (Section 7.1), use recommended labels, adjust print density in software settings. |
| As etiquetas non se alimentan correctamente | Improperly loaded labels, label guides not adjusted. | Reload labels correctly, adjust label guides to fit snugly. |
| Problemas de conexión Bluetooth | Bluetooth not enabled, pairing failed, interference. | Ensure Bluetooth is on for both devices, re-pair the printer, move closer to the printer, avoid other wireless devices. |
9. Especificacións
Detailed technical specifications for the MUNBYN RW403B Thermal Label Printer:
- Número de modelo: RW403B
- Tecnoloxía de impresión: Térmica
- Conectividade: Bluetooth, USB
- Tamaño máximo do soporte: 4 x 6 polgadas (10.16 cm)
- Resolución de impresión: 203 ppp
- Velocidade de impresión máxima (monocromática): 72 pages per minute (labels per minute)
- Dispositivos compatibles: Android, Mac, PC, iOS
- Peso do artigo: 1.3 quilogramos
- Dimensións do produto: 31P x 7.5L x 10H centímetros
- Características especiais: Automatic Document Feeder, Energy Star, Portable
10. Garantía e soporte
MUNBYN provides comprehensive support for your RW403B Thermal Label Printer:
- Garantía: Limited Warranty (details available upon product registration or contacting support).
- Soporte técnico: Enjoy 24 months of technical assistance. For support, please visit the official MUNBYN websitio web ou póñase en contacto directamente co servizo de atención ao cliente.





