4 x 6" Thermal Labels From Lemon Labels For Zebra GK420D / ZD420 / LP2
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Zebra GC420d and GC420t, also suitable for healthcare- Codipack
Zebra GC420D Manual Print Width Adjustment - How to Tips and Tricks by @3labels - YouTube
Zebra - GC420d Direct Thermal Desktop Printer for Labels, Receipts, Barcodes, Tags, and Wrist Bands - Print Width of 4 in - USB, Serial, and Parallel Port Connectivity | GC420D Buy, Best Price. Global Shipping.