Zebra QLn420 Installation Instructions

P1059402-001 Rev. A pg. 5
Installing the DC Transfer Pack
The following instructions detail the installation for the components listed above, which will
allow a QLn420 printer to run from a DC power source.
• Turn off the printer and remove the battery pack.
• Plug the DC Transfer Pack assembly into the printer. The battery pack assembly resembles
and installs like a normal battery.
Figure 1: DC TransFer PaCk insTallaTion
DC Transfer Pack
• Plug the DC cable from the Power Supply into the mating connector from the DC Transfer Pack.
The plugs are polarized to ensure correct installation. They can only be connected one way. Do
not attempt to force a connection. Secure the connection by turning the locking ring on the DC
cable connector until it clicks into place.
Caution: Since the QLn420 Mobile Battery Eliminator consumes vehicle power even when the printer
is turned o, it MUST be connected to a power source that is switched o when the vehicle is turned
o. Zebra Technologies Corporation is not liable for damage to any equipment caused by improper
installation of this equipment to any power source.
Note: When the vehicle’s power is turned on, the printer’s LCD will indicate the battery is full at all times.
Mating Connector

Zebra QLn420 Specifications

Operating Environment

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
ip rating	IP43 (IP54 with soft case)
drop tolerance	6'/1829mm to concrete

Power and Battery

battery capacity	5.0Ahr
battery charger	Built-in
charging options	AC adapter, Charging and Ethernet cradle, Vehicle cradle (DC power), Smart charger, Quad charger

Media Specifications

media width	2.0"(51mm)/4.4" (112mm)
media length	0.5"/12.7mm to 32"/813mm or continuous
maximum media roll size	2.6"/66mm OD on a 0.75"/19mm or 1.375"/34.9mm core
media thickness	3.2 mil to 7.5 mil
media types	Die-cut, roll-fed, fan-fold, receipt, linerless

Printer Specifications

resolution	203dpi/8 dots per mm
memory	128MB RAM; 256MB flash (standard)
print width	4.1"/104 mm
print length	Min. 0.5"/12.7mm Max. 32"/813mm
print speed	Up to 4"/102mm per second

Weight and Dimensions

width	6.5" (165mm)
height	7.35" (187mm) with beltclip
depth	3.25" (82.5mm)
weight	2.45lbs (1.1kg) with battery