Zebra QLn420 4" Mobile Thermal Label Printer - Tested, Factory Reset + Battery

Ex-business Zebra QLn420 mobile thermal label printer, individually tested and factory reset. Photos are of the actual unit you will receive (stock no. ZB-10).

Condition - Good (3.0 / 4)

Case / housing	Very good - light signs of use only (4/4)
Port covers	All port covers present and secure (4/4)
Print quality	Usable print, some light streaks or fade (2/4)
Battery	Good - 64% of original capacity (3199/5000 mAh), 69 charge cycles (3/4)

Testing

• Tested 05/10/2026: restored to Zebra factory defaults and test label printed - result: PASS
• Firmware: V68.20.10Z
• Serial number: XXQVJ184000113
• Battery charge at test: 100% (8.27 V)

Specifications

Brand	Zebra
Model	QLn420
Type	Mobile / portable label printer
Printing technology	Direct thermal (no ribbon needed)
Resolution	203 dpi
Maximum print width	4 in (104 mm)
Printer languages	ZPL, CPCL
Connectivity	USB (tested). Bluetooth. No WiFi
Colour	Monochrome
Serial number	XXQVJ184000113

What's included

Printer and battery, as pictured

Please note

• The printer has been reset to factory defaults, so any Bluetooth settings have been cleared and will need setting up for your network or app.
• Only the items listed above are included.