Zebra QLN 420 Mobile & Barcode Printers Oman, Qatar, UAEAsset, Inventory & Warehouse Management Software

QLN 420 Mobile Printers

QLN 420 Mobile Printers

QLN 420 Mobile Printers

The QL 420 direct thermal mobile printer has been designed with the most advanced technology in rubberized over-molding to maintain both rugged construction and minimal weight. With center-loading media, smart battery monitoring and an optional LCD, it provides user-friendly options…


Manufacturing: labels for shipping and receiving; pick-packapply (inventory control, workin-process, parts tracking); asset management; shelf/bin/box/pallet (pick tickets)

Transportation & Logistics: labels for shipping, receiving, cross-docking; pick-pack-apply; shipping dock (asset/fleet management, pick tickets, parcel/ logistics receipts)

Retail: in-store shelf labels, markdowns, distribution centers


Printer Name

For information about other printers in the QLn family, please visit our web site.

Standard Features

• Apple iOS, Android, Windows Mobile and BlackBerry connectivity
• Direct thermal printing of barcodes, text and graphics
• CPCL, EPL™ and ZPL® programming languages
• 256 MB Flash memory supports downloadable programs, receipt formats, fonts and graphics (64 MB available for user storage)
• 5.0 AH removable Li-Ion smart battery
• Built-in battery charger
• Serial and USB ports (both support strain relief)
• Belt clip for unobtrusive and convenient printing
• Black mark and gap media sensing using fixed center-position sensors • Easy-to-use peel and present mode
• Label present sensor for issuing labels one at a time
• Tear bar for easy dispensing
• Center-loading media locking for variable roll widths
• “Clamshell” design for easy media loading
• Management: Mirror, SNMP, Web server, Profile Manager, AirWatch and Wavelink Avalanche®
• Large, easy-to-read LCD control panel (240 x 128 pixels)
• LCD can be customized using WML (text and icons)
• Printer alerts on the display, help menus
• Tolerance of multiple drops from 6’/1829 mm to concrete
• IP43 dust- and water-resistance rating (IP54 with soft case)
• 400 MHz 32-bit ARM processor
• XML support
• Supports vertical and horizontal printing
• Printers can be used in any orientation
• QR barcode links to web-based help pages
• Zebra Print Touch simplifies Bluetooth pairing and launches web-based help pages with NFCenabled devices
• Label odometer
• Real-time clock

Printer Specifications


203 dpi/8 dots per mm


128 MB RAM; 256 MB Flash (standard)

Print Width

4.1″/104 mm

Print Length

• Min.: 0.5″/12.7 mm
• Max.: 32″/813 mm

Print Speed

Up to 4″/102 mm per second

Media Sensors

Black mark and gap media sensing using fixed center-position sensors; label present sensor for issuing labels one at a time

Operating Characteristics


• Operating temperature: -4° F/-20° C to 122° F/50° C
• Storage/Transport temperature: -13° F/-25° C to 158° F/65° C
• Operating humidity: 10% to 90% non-condensing
• Storage humidity: 10% to 90% non-condensing

Agency Approvals

• Emissions: FCC Part 15, Subpart B, EN55022 Class-B, EN60950, EN55024 and VCCI class B
• Susceptibility: EN55024, EN61000-4-2, EN61000- 4-3, EN61000-4-4, and EN61000-4-5
• Safety: CE, UL, TÜV, CSA

Media Characteristics

Media Width

2.0″/51 mm to 4.4″/112 mm

Media Length

0.5″/12.7 mm to 32″/813 mm or continuous

Maximum Media Roll Size

2.6″/66 mm O.D. on a 0.75″/19 mm or 1.375″/34.9 mm I.D. core

Media Thickness

3.2 mil to 7.5 mil

Media Types

Die-cut labels and tags, linerless labels, receipt paper, black bar and gap sensing

Physical Characteristics

• Width: 6.5″/165 mm
• Height: 7.35″/187 mm with beltclip
• Depth: 3.25″/82.5 mm
• Weight: 2.45 lbs/1.1 kg with battery

Link-OS Solutions

Software Tools

• Document Design: Quickly design a customized print solution using your business data and Zebra’s intuitive, plug-and-print design tools.
• Device Integration: Zebra offers apps and products designed to help you integrate Zebra devices into your existing systems.
• Device Management: Manage your print operations locally and globally with Zebra’s suite of device management tools.
• Developer Tools: Provides you the tools you need to create your own apps, including documentation, source code, programming languages, templates and more.


• CPCL, EPL and ZPL programming languages
• ZBI 2.x™—powerful programming language that lets printers run standalone applications, connect to peripherals, and much more


Fonts and Character Sets

• Standard Fonts: 25 bitmapped, 1 smooth, scalable (CG Triumvirate Bold Condensed**)
• Optional Fonts: downloadable bitmapped/ scalable fonts
• International Character Sets (optional): Chinese 16 x 16 (traditional), 16 x 16 (simplified); Japanese 16 x 16, 24 x 24; Korean Mincho

CPCL Barcode Symbologies

• Barcode ratios: 1.5:1, 2:1, 2.5:1, 3:1, 3.5:1
• Linear barcodes: Codabar (NW-7), Code 39, Code 93, Code 128, EAN-8, EAN-13, 2 and 5 digit add-on, Interleaved 2-of-5, UCC/EAN128, UPC-A, UPC-E, 2 and 5 digit add-on
• Two-Dimensional: Aztec, MSI/Plessey, FIM Postnet, Data Matrix, GS1 DataBar™ (RSS) family, MaxiCode, MicroPDF417, PDF417, QR Code, TLC39

Communication and Interface Capabilities

• ZebraNet 802.11a/b/g/n radio with support for: – WEP (PSK only), TKIP and AES encryption – WPA and WPA2 – 802.1x (with WPA or WPA2 only) – EAP-FAST, EAP-TTLS, EAP-TLS, PEAP, LEAP – 802.11d and 802.11i – Simultaneous Bluetooth 3.0 dual radio – Wi-Fi Certification – Fast roaming using PMK caching, CCKM or Fast Session resumption
• Bluetooth 3.0 radio – Security modes 1 – 4 – “Made for iPod/iPhone/iPad” certified – Key Bonding – 10/100 Ethernet support (via charging cradle)

Cabled Communications Specifications

• USB 2.0 full-speed interface (12Mbps)
• Mini-B connector with optional strain relief
• Serial interface: 14-pin RS-232C port for communication to terminal or other host up to 115.2Kbps

Options and Accessories

Charging Options

• Charge the battery inside the printer using: – AC adapter – Charging and Ethernet cradle – Vehicle cradle (DC power) • Charge the battery outside the printer using: – Smart charger – Quad charger

Optional Features and Accessories

• Linerless printing (with silicone platen roller only)
• 8-18VDC power supply with cigarette lighter adapter
• ZBI 2.x
• Spare batteries
• AC adapter
• SC2 smart battery single charger
• Quad battery charger
• QLn4-EC charging and Ethernet cradle
• Shoulder strap
• Forklift mount accessories – Heavy-duty mount with fanfold tray – Plate for RAM-arm mounting – Cradle for easy attach/detach – DC converters for powering and charging from forklift batteries
• Hand strap
• Soft case (IP54 rating when used)
• Serial and USB cables with strain relief
• Forklift battery eliminator



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