Zebra’s popular QL family of direct thermal mobile label printers has built a highly satisfied following based upon its proven dropresistant 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. Other features such as Zebra Global Printing and improved network performance — including 802.11n wireless LAN capability for more robust and reliable connectivity and throughput — also make integration easier.
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 enabled 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
- Software Development Kit: create printing applications for Windows®, Apple®, Android™, Windows® CE, Windows® Mobile and BlackBerry® platforms.
- Cloud Connect: connect to the Cloud directly and securely, forwarding data from any port.
- Virtual Devices: support multiple programming languages on one printer and integrate Zebra Link-OS enabled printers into existing legacy systems.
- Print Touch: simplify Bluetooth® pairing and launch Web-based help pages with NearField Communication-enabled devices.
Easier to Manage
Easier to Maintain
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.
Lithium-Ion Charging Accessories
The QLn420 charging and Ethernet cradle charges the battery — a neat and orderly solution to keep batteries in the printer.
Connect QLn printers to your wired Ethernet network via the QLn Ethernet cradle to enable easy remote management by your IT or operations staff — helping to ensure each printer is operating optimally and ready for use. The Ethernet cradle can communicate over 10 Mbps or 100 Mbps networks using auto-sense.
The printer remains fully functional so you can print while it is in the cradle. The cradle’s LED lights indicate DC power and Ethernet-link status.
Remote printer management over your Ethernet allows:
802.11n is an amendment that improves upon the previous 802.11 standards by adding multiple-input multiple-output antennas (MIMO). 802.11n operates on both the 2.4 GHz and the lesser-used 5 GHz bands. Support for 5 GHz bands is optional. It operates at a maximum net data rate from 54 Mbit/s to 600 Mbit/s. The IEEE has approved the amendment, and it was published in October 2009.Prior to the final ratification, enterprises were already migrating to 802.11n networks based on the Wi-Fi Alliance's certification of products conforming to a 2007 draft of the 802.11n proposal. The 802.11n amendment includes many enhancements that improve WLAN range, reliability, and throughput. At the physical (PHY) layer, advanced signal processing and modulation techniques have been added to exploit multiple antennas and wider channels. At the Media Access Control (MAC) layer, protocol extensions make more efficient use of available bandwidth. Together, these High Throughput (HT) enhancements can boost data rates up to 600 Mbps – more than a ten-fold improvement over 54 Mbps 802.11a/g (now considered to be legacy devices).
Barcode printing in 203 DPI is great for text, numbers, and codes, but may appear a bit grainy or pixelated. You can improve the print quality of a barcode printed in 200 DPI by making the barcode physically larger on your label, but you may not have enough space to do this on your label. If you decide to do this, please note that each barcode must be scaled proportionately, since the aspect ratio of each barcode is strictly defined by each barcode symbology.203 DPI Printers are the fastest barcode printers and are suitable for high volume applications.
Direct thermal printing requires a heat sensitive label material. The print head elements come into direct contact with the heat sensitive material where the heat from the elements causes a color change in the material to create the printed image. If an organisation is only going to print direct thermal, there are printers available that only have direct thermal capability. These printers are generally less costly to purchase because they do not contain any of the hardware necessary for driving and controlling ribbon. Eliminating the ribbon and ribbon hardware components also results in a less complex printer with fewer parts to wear and/or break, resulting in lower service costs and less downtime over the life of the printer.