# MUNBYN RW403B 4×6 Thermal Shipping Label Printer

Shipping: The MUNBYN RW403B is a monochrome thermal label printer with Bluetooth and USB connectivity for the listed devices and systems. Its compact listed dimensions suit a small desk, while customers report easy setup and quick postage-label printing but mixed functionality experiences.

- [Original product page](https://bargainpostbox.co.uk/product/munbyn-rw403b-4x6-thermal-shipping-label-printer)
- [View offer](https://bargainpostbox.co.uk/visit/munbyn-rw403b-4x6-thermal-shipping-label-printer)
- Market: UK
- Language: en-GB
- Currency: GBP
- Brand: MUNBYN
- Model: RW403B
- Category: Computers > Printers / 3D & Scanners > Printers / 3D & Multifunction
- Price: 69.98 GBP
- Previous price: 94.99 GBP
- Discount: 26%
- Price checked: 2026-11-12T15:52:23.592Z
- Rating: 4.2 / 5
- Reviews: 584

Prices and deal status are the latest recorded data, not a guarantee of availability. Confirm the price and availability with the store.

## At a glance

- Uses thermal printing, so the listing specifies no ink.
- Bluetooth is listed for Windows, macOS, ChromeOS, Android and iOS. USB is listed for Windows and macOS.
- The manufacturer claims label alignment support from a DAC algorithm and up to 970,000 labels of lifespan. These are claims, not independently verified results.
- The listing describes use with the Munbyn Print app on iOS and Android and Munbyn Editor on Chrome.

## Pros

- Bluetooth and USB options offer a choice of connection for listed computers and mobile devices.
- Thermal, monochrome printing avoids ink cartridges for label output.
- Customer feedback reports convenient setup, quick printing and a compact footprint.

## Cons

- Monochrome print-only output is suited to labels rather than colour documents or multifunction office use.
- Customer feedback is mixed on functionality, including reports that the printer would not print.

## Specifications

### Identity
- Brand: MUNBYN
- Model: RW403B
- Colour: All Black
- Printing technology: Thermal
- Printer output: Monochrome
- Print function: Print Only
- Maximum supported paper size: 4 x 6 inch
- Print resolution: 203 dpi
- Maximum monochrome print speed: 72 ppm
- Print media: Labels, Thermal Paper
- Duplex printing: No
### Connectivity and controls
- Wireless connection listed: Bluetooth for Windows, macOS, ChromeOS, Android, and iOS; USB connection for Windows and macOS
- Control methods listed: Bluetooth for Windows, macOS, ChromeOS, Android and iOS; USB connection for Windows and macOS
- Hardware interface: USB
- Compatible devices: Laptops/PC/Smartphones/Tablets
### Dimensions and installation
- Dimensions listed: 9.1D x 18.6W x 9.2H centimetres
- Weight listed: 0.68 Kilograms
### Warranty
- Warranty term: 2 years
- Warranty type: Extended

## Before you buy

- The manufacturer claims up to 970,000 labels, a jam rate below 0.01%, 99.8% alignment accuracy and 60 dB operation. These performance figures are not independently verified. Confirm that the listed operating system and connection suit your setup before buying.

## In the box

- RW403B label printer (Included)
- User manual (Included)
- Quick start guide (Included)
- Power adapter (Included)
- Power cord (Included)
- USB-C to USB-A adapter (Included)
- USB cable (Included)
- 20 sheets of white labels (Included)

## A good fit for

- Small businesses or home offices printing postage labels and other monochrome labels.
- Buyers who want Bluetooth or a USB connection and need a compact desktop label printer.

## Less suited to

- People needing colour printing, duplex printing or a multifunction printer.
- Buyers who need a confirmed guarantee of trouble-free operation or print performance.

## Customer feedback

Customer feedback highlights quick postage-label printing, easy setup, compact size and Bluetooth connectivity. These reported strengths matter for occasional or routine label work in a small workspace, although the printer's listed wireless and USB support should still be checked against your device. Functionality feedback is mixed, with some customers reporting that it works well and others saying it will not print, so the favourable experiences do not guarantee reliable operation for every buyer.
- Positive themes: Customers report easy setup and quick printing for postage labels.
- Positive themes: Customers appreciate the compact design and Bluetooth connectivity.
- Positive themes: Customers describe the printer as worthwhile for their needs.
- Negative themes: Some customers report that the printer will not print.
- Mixed feedback: Functionality experiences differ, with reports of successful operation alongside reports of printing failure.

## Frequently asked questions

### Which devices and connections are listed?
Bluetooth is listed for Windows, macOS, ChromeOS, Android and iOS. USB is listed for Windows and macOS. Confirm compatibility with your particular device and software.
### Does the RW403B use ink?
The listing identifies it as a thermal printer and specifies no ink. It produces monochrome output.
### What does the package include?
The stated contents list includes the printer, user manual, quick start guide, power adapter, power cord, USB-C to USB-A adapter, USB cable and 20 sheets of white labels.
### Are the advertised lifespan and alignment figures independently confirmed?
No independent verification is supplied. The manufacturer claims up to 970,000 labels and 99.8% alignment accuracy.

## Alternative options

- [MUNBYN 4x6 Direct Thermal Labels, Fanfold Shipping Label Paper for Thermal Printer, Pack of 1000 Permanent Adhesive Labels for Shipping Packages](https://bargainpostbox.co.uk/visit/munbyn-rw403b-4x6-thermal-shipping-label-printer)
- [MUNBYN Shipping Label Printer Bluetooth, Postage Thermal Label Printer 4x6 for Business, Compatible with Etsy, Shopify, Royal Mail, DHL, DPD, Evri, with 25 Labels, 130B, Black](https://bargainpostbox.co.uk/visit/munbyn-rw403b-4x6-thermal-shipping-label-printer)
- [MUNBYN Wireless Thermal Printer, Wi-Fi Shipping Label Printer, Compatible with iPhone iPad Mac Android Windows Chromebook, for Etsy Shopify Royal Mail DHL DPD Evri, ITPP941 AirPrint](https://bargainpostbox.co.uk/visit/munbyn-itpp941-airprint-wifi-thermal-label-printer)
- [MUNBYN Shipping Label Printer, 411B, Black \| Thermal Label Printer 4×6, Compatible with iPhone, Android, Windows, macOS, Royal Mail, DHL, DPD, Evri](https://bargainpostbox.co.uk/visit/munbyn-rw403b-4x6-thermal-shipping-label-printer)
- [MUNBYN 4x6 Direct Thermal Roll Shipping Labels 500 Pics for Address Mailing Postage fits USPS UPS FedEx Shipping Labels, Commercial Grade](https://bargainpostbox.co.uk/visit/munbyn-rw403b-4x6-thermal-shipping-label-printer)
- [4x6 Thermal Label Printer with Built-in Label Holder, Bluetooth & USB \| Inkless Printing, Fast Setup, Wireless Printing, Cost-Effective Shipping Solution for Small Business, & Home Offices](https://bargainpostbox.co.uk/visit/munbyn-rw403b-4x6-thermal-shipping-label-printer)
- [ETIKEZ Bluetooth 4x6 Thermal Shipping Label Printer for Parcels, Black \| Postage parcel label machine, supports iOS, Android, Windows Mac, works Amazon, Shopify, Etsy, Royal Mail, Evri, DPD, DHL](https://bargainpostbox.co.uk/visit/munbyn-rw403b-4x6-thermal-shipping-label-printer)
- [vretti Thermal Shipping Label Printer 4x6,USB Only,No Bluetooth \| Postage Label Printer for Amazon, Royal Mail,Vinted，Compatibel with Windows, Mac OS and Linux, 99.99% Scan Success](https://bargainpostbox.co.uk/visit/vretti-db402-thermal-shipping-label-printer)
- [JADENS Bluetooth Thermal Label Printer, 4x6 Shipping Label Printer, 50 Labels Included, Compatible with Hermes, Royal Mail, DHL, DPD, Evri, Amazon, Shopify](https://bargainpostbox.co.uk/visit/munbyn-rw403b-4x6-thermal-shipping-label-printer)
- [MUNBYN Shipping Label Printer Bluetooth, Postage Thermal Label Printer 4x6 for Business, Compatible with Etsy, Shopify, Royal Mail, DHL, DPD, Evri, with 25 Labels, 130B, White](https://bargainpostbox.co.uk/visit/munbyn-rw403b-4x6-thermal-shipping-label-printer)
- [MUNBYN Bluetooth Label Printer, Desktop Thermal Label Printer 4x6 for Shipping Postage Home Small Business 941B, White](https://bargainpostbox.co.uk/visit/munbyn-itpp941b-wh-uk-bluetooth-thermal-label-printer)
- [MUNBYN 57mmx32mm Direct Thermal Labels, Self-Adhesive Address Shipping Thermal Stickers, BPA&BPS Free Kraft Square Stickers for Label Printer-1 Roll,1000 Sheet](https://bargainpostbox.co.uk/visit/munbyn-rw403b-4x6-thermal-shipping-label-printer)

## Add-ons

- [MUNBYN Thermal Labels 4x6 Fanfold for Label Printer, Compatible with Royal Mail, Hermes, FedEx, Shopify, Etsy, PayPal, Pack of 500](https://bargainpostbox.co.uk/visit/munbyn-rw403b-4x6-thermal-shipping-label-printer)

## Images

![MUNBYN RW403B 4×6 Thermal Shipping Label Printer — 1](https://bargainpostbox.co.uk/i/ZO3n-IQhs2syoKX8kjmdfKl14CQC1V1wyqZvRjjit2O5OzZZ7dAqdvSloeDmewfLE0-aXmrKrOdFPj9EAw4eX7n-NqcwR6kNkIUIoqn-PnKr4v_GOZPX_hBP.jpg)

![MUNBYN RW403B 4×6 Thermal Shipping Label Printer — 2](https://bargainpostbox.co.uk/i/R59khzJF-FIZZVINEQCxGpDO3JxwVzPdbj_0_njo4cxFTpytqoX9yO53-7-2qMBUjTp0etZUQoR7ueV8Y9Ya4VCbxwkihtd6jxZY3CPslwoR9i581hwSbxx-.jpg)

![MUNBYN RW403B 4×6 Thermal Shipping Label Printer — 3](https://bargainpostbox.co.uk/i/C6MV0uRzqWGn_uD9Mz2FhIHZObF0Ya33T__tykXDjGVKHhmWHJ3iSsWqd6pLfyEK94sbzmzah1uCIOYyyHFkP-U3G6XhrIfwFCp1odCZ5qcLROrvxnDmhdkJ.jpg)

![MUNBYN RW403B 4×6 Thermal Shipping Label Printer — 4](https://bargainpostbox.co.uk/i/5F8VV2wLJWwXE6Ga4j1NKwyeD0KQfX6ZhPeL93hrdnDteHUNKy--ynAzn3rM4q4QdDWBqna7DQvF05wVjhyCTiFhm-g2jzdDNJPEd6PKbPhY31FigLSOD9y0.jpg)

![MUNBYN RW403B 4×6 Thermal Shipping Label Printer — 5](https://bargainpostbox.co.uk/i/Jfea3r9XAy_E8xnwTG_2rc3Cai8nkiiMDTS_gN6CrzxP4G7AmJixs4nhWcr8ykT3gdNKlBkXhagPOB_jcSrMH-hNPRNW0w4lJsWqCwr9QzwGNShQFJJjCraF.jpg)

![MUNBYN RW403B 4×6 Thermal Shipping Label Printer — 6](https://bargainpostbox.co.uk/i/hlM3rrYKAycUJqVubNasyucryNESKvBzBFzR39YwqClxgHK4CrfDfh5W-WTmpQ1tzplUdjb-1rNrwwnCeAw5RWY-HKMbFFZvNlP_evNghESH3eEQ7DTcAsoH.jpg)

![MUNBYN RW403B 4×6 Thermal Shipping Label Printer — 7](https://bargainpostbox.co.uk/i/Y_O7ohHT898zzZmigT5IG3pIZtFCstzC0CyQDjEho6dKIixo81mUEphV3xYxYlHRyJstdtN6ODDNSCjyShrIeOHKdolBv_3avPP_Qd_w0mCy_wG-GPWhvmCf.jpg)