Submitted by Alexis WEBER on Fri, 04/13/2018 - 08:33 Tags: untaggedjive-migrated Hello, I have a zebra printer GK420t, i am programing on ZBI-Developer. I want to connect a shower to the zebra printer GK420t. I have to scan some QR code and reserve the information. How can i do that ? thank you so much.