P129 Paper jams or label prints only half and stops

How to fix a printer paper jam?

Reason: High print density
High print density causes the label to get too hot and get stuck to the Printhead. Different labels require different heating temperatures. Set your print speed to "4 in/sec" and density to "2" and try print again. If the label is too light, increase the density by 1.
For Mac: Select "Printer Features" in "Preview", You can change the printing speed and the Darkness of your printing (A larger number means higher Darkness)

For Win:

1. Go to "Control panel" -> "Devices and Printers"
(Right-click on "This PC", choose "Properties", then click on "Control panel"-> "Devices and Printers")2. Right-click on "Label Printer" -> choose "Printer Preferences"

3. Go to "Option", You can change the printing speed and the Darkness of your printing
(Larger number means higher Darkness)

Simplify your packaging process with shipping supplies. Label holders make it easy to identify and switch out labels without removing them from their protective backing. A postal scale ensures accurate and consistent measurements for postage, saving you time and money. And honeycomb paper provides cushioning and protection for fragile items during shipping. These small investments can make a big difference in upgrading your packaging game!