• 1-5 • Introduction •P1057798-001 rev. B
Section 1: QLn420 Introduction
Thank you for choosing our Zebra
®
QLn420™ Mobile Printer. You will find this
rugged printer will become a productive and efficient addition to your workplace
thanks to its innovative design. Zebra Technologies is the leader in industrial
printers with world-class support for all of your bar code printers, software, and
supplies.
This repair manual gives you the information you will need to repair the QLn420,
including the Made for iPhone
®
(MFi) printers. MFi printers provide Apple co-
processor (MFi) support which allows an Apple device such as an iPhone or iPad
®
to authenticate and connect over Bluetooth
®
.
The QLn420 printer uses CPCL and ZPL programming languages. To create
and print labels using the CPCL and ZPL languages, refer to the Mobile Printing
Systems CPCL Programming Manual and ZPL Programming Guide (available at
www.zebra.com/manuals
)
QLn Series Software Utilities:
• Zebra Net Bridge™ : printer configuration, fleet management
• Zebra Setup Utility: single printer configuration, quick setup
• Zebra Designer Pro: label design
• Zebra Designer Drivers: Windows
®
driver
• OPOS Driver: Windows driver
• Multiplatform SDK
(These utilities can be found at www.zebra.com and on the product CD.)
Unpacking and Inspection
Inspect the printer for possible shipping damage:
• Check all exterior surfaces for damage.
• Open the media cover (refer to “Loading the Media” in the Getting Ready to Print
section) and inspect the media compartment for damage.
In case shipping is required, save the carton and all packing material.
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