1. Introdução
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: Acimaview of the MUNBYN RW403B Thermal Label Printer, demonstrating its features and ease of use for various labeling needs.
2. Conteúdo da embalagem
Por favor, verifique se todos os itens estão presentes na embalagem:
- Impressora de etiquetas térmicas MUNBYN RW403B
- Adaptador de energia
- Cabo USB
- Guia de início rápido
- Sample Rótulos
3. Impressora sobreview
Familiarize yourself with the main components of your printer:
- Botão de energia: Liga/desliga a impressora.
- Luz indicadora de status: Displays printer status (e.g., power on, error, printing).
- Saída de emergência com etiqueta: Onde surgem os rótulos impressos.
- Label Roll Compartment: Holds the label roll.
- Porta USB: For wired connection to computers.
- Porta de alimentação: Para conectar o adaptador de energia.

Image: The MUNBYN RW403B printer in operation, demonstrating its compact design and label output.
4. Configuração
4.1 Desembalagem e Colocação
- Remove the printer and all accessories from the packaging.
- Coloque a impressora sobre uma superfície estável e plana.
4.2 Conexão de Energia
- Conecte o adaptador de energia à porta de alimentação da impressora.
- Conecte o adaptador de energia a uma tomada de parede.
- Press the power button to turn on the printer. The status indicator light will illuminate.
4.3 Carregando Etiquetas
- Abra a tampa da impressora.
- Place the label roll into the label compartment, ensuring the labels feed smoothly from the bottom.
- Ajuste as guias de etiqueta para que se encaixem perfeitamente na largura das suas etiquetas.
- Feche a tampa da impressora. A impressora detectará e calibrará automaticamente o tamanho da etiqueta.

Image: The printer demonstrating its adjustable label guides, supporting label widths from 1.57 to 4.25 inches.
4.4 Instalação 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.
- For 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. Instruções de operação
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.
- Préview 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. Principais características
- 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.
- Clareza de impressão aprimorada: Designed for professional-grade output, this printer ensures 0.1mm font readability, producing crisp monochrome labels for return slips, inventory, organization, and branding.
- Operação silenciosa: Operating at only 60 dB, the printer is quieter than typing, allowing for focused work in home offices, libraries, or shared workspaces.
- Durabilidade excepcional: 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%.
- Suporte versátil para 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. Manutenção
7.1 Limpeza da cabeça de impressão
Para manter a qualidade de impressão, limpe regularmente a cabeça de impressão:
- Desligue a impressora e desconecte o cabo de alimentação.
- Abra a tampa da impressora.
- Gently wipe the print head with an alcohol swab or a soft, lint-free cloth dampenriquecido com álcool isopropílico.
- Allow the print head to dry completely before closing the cover and turning the printer back on.
7.2 Cuidados Gerais
- Keep the printer free from dust and debris.
- Evite expor a impressora a temperaturas extremas ou à luz solar direta.
- Use only high-quality thermal labels to prevent damage to the print head and ensure optimal print results.
8. Solução De Problemas
Se você encontrar problemas com sua impressora MUNBYN RW403B, consulte os problemas e soluções comuns a seguir:
| Problema | Possível causa | Solução |
|---|---|---|
| A impressora não está respondendo | No power, incorrect connection, software issue. | Check power cable, verify USB/Bluetooth connection, restart printer and computer/app. |
| Qualidade de impressão ruim | 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. |
| Etiquetas não alimentadas corretamente | Improperly loaded labels, label guides not adjusted. | Reload labels correctly, adjust label guides to fit snugly. |
| Problemas de conexão Bluetooth | Bluetooth desativado, falha no emparelhamento, interferência. | Ensure Bluetooth is on for both devices, re-pair the printer, move closer to the printer, avoid other wireless devices. |
9. Especificações
Detailed technical specifications for the MUNBYN RW403B Thermal Label Printer:
- Número do modelo: RW403B
- Tecnologia de impressão: Térmico
- Conectividade: Bluetooth, USB
- Tamanho máximo da mídia: 4 x 6 polegadas (10.16 cm)
- Resolução de impressão: 203 dpi
- Velocidade máxima de impressão (monocromática): 72 pages per minute (labels per minute)
- Dispositivos compatíveis: Android, Mac, PC, iOS
- Peso do item: 1.3 quilos
- Dimensões do produto: 31P x 7.5L x 10A centímetros
- Características especiais: Automatic Document Feeder, Energy Star, Portable
10. Garantia e Suporte
MUNBYN provides comprehensive support for your RW403B Thermal Label Printer:
- Garantia: Limited Warranty (details available upon product registration or contacting support).
- Suporte técnico: Enjoy 24 months of technical assistance. For support, please visit the official MUNBYN website ou entre em contato diretamente com o atendimento ao cliente.





