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Zebra QL 420 Plus Barcode Printers.

Zebra QL 420 Plus Barcode Printers

Zebra QL 420 Plus Barcode Printers Features

Overview of Zebra QL 420 Plus Barcode Printers

Standard Features

  • Print method: Direct thermal
  • Rubber infused plastic over-mold design for tough conditions
  • Battery monitoring via a battery low indicator light or gauge on the optional LCD
  • Lithium ion battery
  • Open access design and center locking media loading
  • Backward compatible with Encore and Cameo media and cables
  • Label Vista and Windows printer drivers
  • Quick Flip Peel and Present Mode
  • USB connectivity for high speed file transfers


  • Accommodates situations real-time and at the point of application
  • Offers a rugged, lightweight mobile solution
  • Compatible with a wide variety of terminals
  • High speed processor for advanced applications

The QL 420 Plus direct thermal mobile printer delivers print widths up to 4.09” (103.9 mm). In addition to offering the rugged construction, user-friendly options, and flexible QuickLink connectivity that have made Zebra’s QL 420 and other QL series printers so popular, the enhanced QL 420 Plus barcode printer is specially designed for complex mobile printing applications. It’s built to handle increased levels of wireless security and to process complex labels up to four times faster, making it ideal for the secure transfer of sensitive data such as price lists, customer information, and medical records.

The QL 420 Plus is ideal for many applications, including pick tickets, forklift-mounted printing, customer pickup, shipment labeling, inventory updates, meter reading receipts, delivery verification invoices, and gas and utility inspection documentation.

Zebra QL 420 Plus Barcode Printers Specifications

Printer Specifications
203 dpi (8 dots/mm)


  • 8 MB DRAM
  • 4 MB Flash

Print width
4.09″ (103.9 mm) maximum

Print length
20″ (508 mm) maximum

Print speed
3″ (76 mm)/sec

Media sensors

Media Characteristics
Maximum label and liner width
2″ (50.8 mm) to 4.12″ (104.6 mm)

Maximum roll diameter
2.625″ (66.68 mm) on .75″ (19.05 mm) core

Core diameter
Interchangeable .75″ (19.1 mm) or 1.38″ (34.9 mm)

Media thickness
Label thickness: 2.5 mil to 6.5 mil / Tag receipt thickness: 2.5 mil to 6.0 mil

Media types
roll-fed, die-cut, linerless, receipt, fanfold

Operating Characteristics
Operating temperature
DT: Operating temperature 5° F (-15° C) to 122° F (50° C) Direct thermal

Storage temperatures
-13° F (-25° C) to 158° F (70° C)

Operating humidity
10-80% non-condensing

Storage humidity
10-90% non-condensing

External charger options
Lithium Ion
4200 Ah
7.2 V

Agency approvals

  • FCC and CE Class B compliance
  • Design certified by CSA
  • CB Scheme report
  • NOM certified
  • C-Tick clearance

Physical Characteristics
6.0″ (152.4 mm)

7.5″ (190.5 mm)

3.0″ (76.2 mm)

2.0 lbs (0.907 kg)

Related Products

  • LCD control panel
  • 802.11b wireless local area network (WLAN) or Bluetooth
  • Wireless Security Support (ie. WPA or VPN)
  • Media width auto-sensing feature
  • Linerless printing
  • Spare Lithium Ion battery packs
  • Battery chargers
  • International character sets
  • Label Vista software for receipt and label design and font creation

Communication and Interface Capabilities

  • RS-232 8PIN DIN connector serial port
  • Selectable baud rate 9600 to 115.2 kbps
  • Xon/Xoff or hardware flow control
  • Optional: Bluetooth
  • Optional: 802.11b Wireless LAN

Programming Languages
Core programming languages
CPCL-native, ZPL II, EPL2

Bar Codes/Symbologies
Code 128
Code 93
Code 39
Interleaved 2-of-5


Fonts and Graphics

  • Standard fonts: five resident scalable, rotatable fonts from 12-48 pt.
  • Downloadable soft fonts from Label Vista software
  • Optional internal character sets
  • Supports graphics, line and box drawing features; PCX, and bitmap


Getting Started

User’s Guides and Manuals