Product highlights
Bluetooth / USB
one 4×6 label per second
203 DPI Clear Printing
Essential for Small Business
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Your purchase helps plant trees🌳
Print wirelessly. Any device, any OS.
Buying for a business?
Get a custom quote for potential bulk savings on approved business orders.
Product highlights
Bluetooth / USB
one 4×6 label per second
203 DPI Clear Printing
Essential for Small Business
[Trust & Support: Double the Assurance]
Every MUNBYN RW402B thermal shipping label printer comes backed by a 2-year warranty and 24 months of dedicated technical support — twice the coverage offered by most competitors. Broad compatibility with all major shipping carriers and e-commerce platforms, including FedEx, UPS, USPS, Amazon, Shopify, Etsy, and eBay, means your label printing workflow stays connected and uninterrupted from day one.
[Exceptional Durability: Built to Last]
This shipping label printer is engineered for long-term, high-volume reliability. With a rated lifespan of up to 970,000 labels — six times longer than standard models — the RW402B is the dependable workhorse your business can count on day after day, shipment after shipment, without costly replacements or unexpected downtime.
[Smart Automation: Time-Saving & Effortless]
Forget fiddling with settings every time you switch label sizes. The RW402B's intelligent Auto Size Detection automatically calibrates to any direct thermal label between 1.57" and 4.3" wide, so you can load and print in seconds. Less manual adjustment means less wasted paper and more time spent on what actually matters — running your business.
[Superior Reliability: Jam-Free Printing]
Jammed labels cost you time, paper, and patience. MUNBYN's patented MicroJam Technology reduces the jam rate to under 0.01%, delivering a consistently smooth, uninterrupted printing experience, whether you're running 10 labels or 10,000. Fewer errors, less waste, and a shipping label printer you can rely on during your busiest fulfillment days.
[Creative Freedom: Your Brand's Creative Engine]
The MUNBYN RW402B goes far beyond printing postage. Its advanced printing algorithm renders barcodes, fine text, and complex graphics with crisp, scan-ready precision. Pair it with the free MUNBYN Print app — featuring 3,500+ design elements, 2,000+ templates, and 80+ fonts — to create custom shipping labels, branded product stickers, home organization labels, and more. With PDF/TXT import and built-in OCR text recognition, designing and printing professional labels from any device has never been easier.
Free Shipping on Orders Over $79*
Ships within 48 Hours.
14-day Risk-free Trial
2-Year Warranty & Lifetime Support
30-day Price-Match
Need help choosing the right product or placing an order?
Our MUNBYN support team is here to help. If you have any questions about products, compatibility, orders, or after-sales service, feel free to contact us at any time. We respond to all inquiries within 24 business hours (Monday–Friday).
Shipping Information
We offer free shipping straight to your door throughout the contiguous US*. It usually takes 2-5 business days* for your package to be delivered, so you can sit back and relax, worry-free.
*Please see our shipping policy for more details.
Help Center
Find everything you need in one place:
FAQ’s
Have a quick question?
Visit our FAQ page, which covers the most common topics, including:
If you can’t find the answer you’re looking for, our support team is always ready to help.
Still need assistance?
Contact Us at
Order: order@munbyn.com
Tech: support@munbyn.com
+1 628 229 3612
Mon - Fri: 7AM - 5PM (UTC-8)
Print Anything, Anywhere
Your ideas, your space — print wherever inspiration strikes.
Ink-Free, Worry-Free
Zero ink. Time, money, and planet-saving.
Fast to Print, Easy to Keep Going
High speed:150 mm/s = one 4×6 label per second.
Included in the Box
Printer
USB Cable
Adapter
Power Adapter
User Manual
Quick Tips
Labels
High-End Labels in Minutes
Designing custom packaging has never been this simple. Using the MUNBYN app and our versatile DIY Labels, you have a library of 3,000+ design assets and templates at your command.
Craft bespoke logos and promotional stickers that perfectly capture your brand’s personality—all while keeping your budget in check.
Step-by-step tutorials and troubleshooting videos.
Find FAQs, setup instructions, and driver downloads.
80% of our leadership team are women, bringing empathy and innovation into every design and decision. Because when women lead, technology becomes more human — and creation becomes more meaningful.
Say goodbye to tangled cables and hello to effortless printing. Enjoy instant Bluetooth connectivity wherever you work, or plug in via USB when you need it.Seamlessly compatible with Windows, Mac, iPhone, iPad, and Android—your whole workspace connected, your printing made simple.
4x6" 3x2" 3x1" 2x1" 4" 2"
Your MUNBYN printer automatically recognizes and adjusts to different label sizes—no manual setup needed.
From 4×6 shipping labels to 2×2 logo stickers and a wide range from 1.57" to 4.3" wide, switching between tasks takes only seconds.
Designed to print more than 980,000* labels in shipping labels
Print life and label quantity estimates are based on laboratory calculations (150 KM printhead life × 4×6" label length). Actual performance may vary due to print frequency, label material, operating environment, and maintenance conditions.
Shipping Label
Designed for small to high-volume fulfillment, MUNBYN printers produce crisp 4x6 shipping labels that scan instantly and stick securely.
Perfect for:
Reduce printing time, avoid reprints, and keep every shipment moving efficiently.
Custom Labels
Create labels tailored to your exact needs — from unique dimensions to personalized layouts.
Use for:
Flexible, professional, and fully customizable to your workflow.
Barcode Labels
Print high-precision barcode labels that ensure fast scanning and accurate inventory tracking.
Commonly used for:
Improve operational efficiency and reduce costly manual errors.
Fragile Labels
Clearly mark fragile items with bold, high-contrast labels that grab attention during handling and delivery.
Ideal for:
Minimize damage, reduce returns, and ship with confidence.
Branded Labels
Add logos, brand colors, thank-you messages, or marketing inserts to elevate your packaging.
Great for:
Build recognition, increase repeat purchases, and stand out in every unboxing moment.
Stickers for Daycare/School
Print name labels and stickers that help keep school and daycare items sorted and easy to identify.
Perfect for:
Water-resistant, long-lasting, and made for everyday life.
Please read our FAQs page to find out more.
MUNBYN uses advanced Thermal Printing Technology, which means zero ink, zero toner, and zero ribbons. You only need thermal labels. This not only saves you hundreds of dollars in supply costs annually but also eliminates the mess of leaking cartridges and the frustration of running out of ink mid-shipment.
Yes! MUNBYN printers are compatible with any Direct Thermal Labels. Whether you prefer fan-fold or roll labels, as long as the width is between 1.57" to 4.3" (40mm-110mm), our thermal printer will automatically sense and calibrate to it.
MUNBYN is a favorite for small business owners. MUNBYN label printers are fully compatible with major platforms, including:
Our thermal printers support a wide range of direct thermal labels, including 4×6" shipping labels, 3×2", 2×1", barcode labels, round labels, and custom sticker sizes (40–110mm width depending on the model). The printer auto-detects label size—no manual calibration required.
Yes. The sticker printer is designed for quick setup with step-by-step installation guides and driver downloads available. Most users can complete installation in just a few minutes.
Our intelligent Automatic Label Identification does the work for you. Insert your labels, press and hold the top button until you hear a single beep, and the printer will automatically adjust the label size and spacing for perfect alignment.
High-quality printing starts with a clean print head. If quality drops:
If the issue persists, contact customer support for further assistance.
Yes, every MUNBYN printer is backed by a 2-year warranty. We stand by our hardware and will provide a replacement or repair if you encounter any manufacturing defects.
Yes. You can use this printer for both business labeling (shipping, barcodes, inventory, retail tags) and home organization (storage labels, pantry tags, files, craft projects). Its versatile direct thermal printing and support for multiple label sizes make it suitable for a wide range of personal and professional uses.
Yes, we offer flexible label customization, including stickers, logo labels, and creative templates for branding. Shop Custom Label Here.
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