4in (4x6) USB WiFi Thermal Shipping & Barcode Label Printer 1

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4in (4x6) USB WiFi Thermal Shipping & Barcode Label Printer

The 4in (4x6) USB WiFi Thermal Shipping & Barcode Label Printer is a compact direct-thermal printer designed for 4"x6" shipping labels, barcode tags, and receipts — it prints without ink or toner. It supports USB and WiFi connections for flexible plug-and-play or networked use with desktops and mobile devices. Selling points: fast, reliable printing with crisp barcode quality, low operating cost (no ink/toner), broad software and device compatibility, and easy label loading and maintenance for busy shipping workflows.

brand name:

Xprinter

Samples:

$89.0/piece | Min. order : 1 piece

Shipping:

Support Sea freight

Place of Origin:

China

Payments:

L/C,D/A,D/P,T/T,Western Union,MoneyGram,OA

Lead Time:

1-500(pieces):4(days),>500(pieces):To be negotiated(days)

Customization:

Customized logo (Min. Order: 500 sets),Customized packaging (Min. Order: 500 sets),Graphic customization (Min. Order: 500 sets)

Inquiry

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Paper width

108mm

Print command

ESC

Interface

USB

warranty(year)

1-Year

software development kit (sdk)

Yes

products status

Stock

private mold

Yes

Max. Resolution

200DPI

Interface Type

Usb

Color Print Speed

Donot support

black print speed

101.6mm/s

after-sales service

Call Center and on-line Technical Support

place of origin

Guangdong, China

max paper size

108 mm (4.25")

Printing Method

Ribbon printing

Style

black

Paper type

Self-adhesive/waterproof label/synthetic paper/thermal

Application

Department Stores

Product name

Barcode Label Printers

Use

Barcode Label Printer

Type

Thermal/Thermal transfer

Fast Accurate Compact Labeling

High-performance Label Printers designed for packing and fulfillment, this 4in USB/Bluetooth/Wi‑Fi thermal shipping and barcode printer produces crisp 4x6 labels at up to 203 DPI and 152 mm/s to speed order processing and cut scanning errors. Its compact, rugged housing, efficient roll-paper packaging and flexible 0°/90°/180°/270° rotation let you save space on the packing bench and print in the style and orientation you need while supporting TSPL, EPL, ZPL and DPL emulations for seamless system integration. A 32‑bit CPU, reliable connectivity options and responsive after‑sales support — including online tech help, call‑center assistance and free spare parts — remove downtime and make high‑volume custom label runs effortless.

Here are several 4-word subtitle options you can use:

The Xprinter XP-420B 4in (4x6) USB WiFi Thermal Shipping & Barcode Label Printer is built for shipping and barcode tasks with thermal printing at 203 DPI and speeds up to 152 mm (6")/s, handling 108 mm (4.25") roll paper and offering label rotation at 0°, 90°, 180° and 270°. Featuring a 32‑bit CPU, versatile connectivity (USB, Bluetooth, Wi‑Fi), and broad emulation support (TSPL, EPL, ZPL, DPL), its compact structural design simplifies integration into diverse workflows and ensures reliable operation within 5–40°C (storage -40–60°C) environments. As part of a manufacturer-backed range of Label Printers, it delivers high throughput and customization for artwork and sizes, plus responsive after-sales support with online technical assistance and free spare parts while a large factory capacity meets bulk orders.

Fast Wireless Shipping Labeler

Xprinter XP-420B is part of a line of 4-inch (4x6) USB/WiFi thermal shipping and barcode Label Printers, offering 203 DPI resolution and print speeds up to 152 mm/s (6"/s) for fast, legible shipping and barcode labels. The thermal unit supports USB, Bluetooth and WiFi interfaces, a 32-bit CPU, 0°/90°/180°/270° rotation and common emulations (TSPL, EPL, ZPL, DPL) while handling 108 mm (4.25") thermal roll media. Designed for business environments, it operates between 5–40°C, stores between −40–60°C, and is backed by call center and online technical support with free spare parts.

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Fast Accurate Wireless Labeling

Built around a brand commitment to durable, high-throughput fulfillment tools, the 4in (4x6) USB WiFi Thermal Shipping & Barcode Label Printer is engineered with precision thermal printheads, robust materials, and rigorous QA to ensure reliable, long-term operation for busy shipping stations. As one of the versatile Label Printers for e-commerce and warehouse workflows, it delivers fast, high-resolution 4x6 shipping and barcode output without ink, offers USB and WiFi connectivity, and supports major platforms and mobile printing. Key highlights and advantages include quick setup, energy-efficient thermal technology, adjustable sensors for multiple label formats, SDK and driver support, and a compact design that reduces downtime and streamlines packing and scanning.

Material introduction

The Xp-420B thermal model is built to run on thermal roll paper and a wide range of label stocks and adhesive sticker materials tailored for shipping and barcode tasks. It also supports ribbon consumables—wax, wax-resin, or resin—for more durable, smudge-resistant prints while the print path and head are engineered for continuous high-speed use. These material compatibilities make it a reliable option among Label Printers for producing crisp shipping labels and barcode tags at up to 152 mm/s.

◎ Performance-focused

◎ material introduction 2

◎ Connectivity-focused

FAQ

What kinds of jobs and business scenarios is the 4in (4x6) USB WiFi thermal shipping & barcode label printer best suited for?

This printer is ideal for e-commerce and fulfillment (4x6 postage and carrier labels), warehouse inventory tags, retail shelf and price labels, returns and packing station labels, manufacturing part labels, and healthcare specimen or asset tags. Its 4x6 size is optimized for shipping carrier labels (USPS/UPS/FedEx), while the thermal barcode capability supports inventory management, scanning, and traceability workflows.

How do I connect and set up the printer over USB or WiFi, and what devices does it work with?

You can connect via USB for direct local printing or configure WiFi for networked and mobile printing. Typical setup steps: install the supplied driver or use a compatible generic driver, connect the USB cable or run the WiFi setup utility (or WPS) to join your LAN, then assign/configure the printer in your shipping or label software. Most models work with Windows and macOS, and many support CUPS/Linux or integrate with cloud and shipping platforms. For network use, ensure the printer and host device are on the same network and allow the printer through any firewall.

Can this printer produce barcodes and QR codes reliably, and what resolution should I expect?

Yes — it prints common 1D and 2D barcodes (Code128, Code39, UPC/EAN, QR, etc.) either through label-design software or via built-in command language emulation. Most 4x6 thermal shipping printers are 203 dpi, which is suitable for standard shipping labels and typical barcode sizes. For very dense or small barcodes you may want a higher-resolution model (300 dpi) or enlarge the barcode to meet scanner requirements.

What types and sizes of label media does it accept, and how do I load and maintain labels?

Use direct thermal label rolls sized for 4" x 6" (die-cut or continuous with gaps/black marks) on the appropriate core (check the printer’s core size spec). This is a direct-thermal printer, so you do not use ink ribbons — just thermal paper labels. Load the roll centered on the platen, align the label sensor, and run a label calibration if the printer offers one. Regular maintenance includes cleaning the printhead with isopropyl alcohol wipes, keeping the paper path and sensors free of adhesive buildup, and storing labels away from heat and sunlight.

Can it handle high-volume or batch printing for busy shipping days?

Yes — thermal label printers are designed for sustained label output. Typical print speeds are in the range of several inches per second (varies by model), which supports batch printing from shipping software or warehouse management systems. For heavy daily volume, check the printer’s duty cycle and recommended monthly volume; using larger label rolls and a stable network/USB connection will improve throughput.

What should I do if I encounter common issues like blank prints, misaligned labels, or WiFi connection problems?

Blank prints: confirm you’re using direct thermal labels (heat-sensitive side up), check print darkness/speed settings, and clean the printhead. Misalignment or incorrect label length: run the label calibration, set the correct label size in the driver/software, and ensure the sensor type (gap/black mark) is correct. WiFi problems: verify the printer and host are on the same SSID, disable guest/client isolation, assign a static IP or reserve DHCP, and update firmware/drivers. If barcodes won’t scan, increase print density or resize the barcode. For persistent hardware faults, contact supplier support.