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Zebra QLn 420 (QN4-AUNA0M00-00)

QLn420 Direct Thermal Mobile Printer (USB/Ethernet, 802.11a/b/g/n Dual Radio, Bluetooth 3.0 + MFi, Ethernet)

by Zebra

Part #: QN4-AUNA0M00-00

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Zebra's popular QL family of direct thermal mobile label printers has built a highly satisfied following based upon its proven drop-resistant durability; user-friendly, productivity-boosting features; and easy integration. As Zebra's third generation of QL printers, the QLn printers extend these QL-platform benefits to the "nth" power.

The QLn420's over-molding and tempered-glass display - coupled with its seamless, one-piece design - make it more durable than ever before. The QLn printer can boost your operation's productivity through a larger, sharper, easier-to- navigate display; faster, higher-quality printing; a variety of proactive alerts that help keep working printers in employees' hands; and many convenient charging accessories. And, your IT department will find the QLn printer more intuitive to integrate into existing platforms thanks to Zebra's Link-OS environment.

With Zebra's Link-OS environment - an innovative operating system combining a powerful Multiplatform Software Development Kit (SDK) and software applications - the QLn family of printers is easy to integrate, manage and maintain from any location around the globe. Enabled with Print Touch, these Link-OS printers offer web page launching features using Near Field Communication (NFC), making it easy to access Zebra's extensive knowledge base of how-to videos and product support.


  • Easier to Integrate
    Move your business forward without the cost or stress of upgrades. Backwards compatibility with QL and QL Plus models lets you upgrade to the QLn printer without changing media or label formats. The inclusion of the legacy CPCL programming language also allows mixed networks of QL/QL Plus and QLn products.
  • Easier to Manage
    Manage all aspects of your networked Link-OS printers from just one screen with Profile Manager. There's no need to switch between applications to get the job done, and you can manage the simple admin console remotely on your PC, tablet or smartphone.
  • Easier to Maintain
    Reduce wasted time and lost productivity with the smart battery, which indicates the power and health of a printer's battery.
  • Easier to Use
    The QLn420 was designed to optimize business processes through easy operation and mobility - reducing training requirements and increasing worker productivity.
  • Longer Printer Uptime
    Improve operational productivity and reduce costs associated with downtime through fewer printing interruptions.

What's in the Box

  • Zebra QLn 420
  • 1 x battery
  • Belt clip, shoulder strap

Product DescriptionZebra QLn 420 - label printer - monochrome - direct thermal
Printer TypeLabel printer - direct thermal - monochrome
Form FactorPortable
Weight2.43 lbs
Max Media SizeRoll (4.4 in)
Min Media Size (Custom)2 in
Max Media Size (Custom)4.4 in
Print SpeedUp to 236.2 inch/min - max speed
Max Resolution ( B&W )203 dpi
InterfaceUSB, serial, Wi-Fi(n)
Processor400 MHz
RAM Installed ( Max )128 MB
Flash Memory Installed (Max)256 MB
Language SimulationZPL , Comtec Printer Control Language (CPCL)
BarcodesCode 93, Code 39, UCC/EAN-128, GS1 DataBar, QR code, MaxiCode, Aztec code, EAN/JAN-8 , EAN/JAN-13 , UPC-A, UPC-E, MicroPDF417, Codabar, Code 128, Interleaved 2 of 5, PDF417, Data Matrix, TLC39
Media TypeLabels, linerless labels, receipt labels, die cut labels
FontsCG Triumvirate Bold Condensed
Styles & EffectsRotated text
FeaturesFixed gap/bar media sensor, real time clock, label sensor, tear bar
Display Resolution240 x 128
Keyboard7 keys
BatteryRequired 1 lithium ion Included Qty 1
Microsoft CertificationCompatible with Windows 7
Dimensions (WxDxH)6.5 in x 3.2 in x 7.4 in

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