> For the complete documentation index, see [llms.txt](https://www.boxhero.io/docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://www.boxhero.io/docs/resources/guides/zebra-zd421t/mobile-printing.md).
# Mobile Printing
Printing from your mobile device after completing ZEBRA ZD421T setup.
***
{% hint style="warning" %}
**Note**: ZEBRA mobile printing is only supported on *Android* devices.
{% endhint %}
## I. Device Setup
{% stepper %}
{% step %}
Install [Zebra Print](https://play.google.com/store/apps/details?id=com.zebra.channelaps\&utm_source=na_Med) from the Google Play Store.
{% endstep %}
{% step %}
Open the app and select the `navigation menu (☰)` and tap `App Settings`.
{% endstep %}
{% step %}
Change the unit of measurement to **millimeters (mm)** and return to the previous screen.
{% endstep %}
{% step %}
Tap the `...` button at the bottom and select `Add Printer`.\
Choose `Bluetooth` as the connection method.
{% endstep %}
{% step %}
Tap `Search Printers` and select your printer (ZD421T).
{% endstep %}
{% step %}
Enter the label size and tap `Print Test Page` to verify label output.
{% endstep %}
{% endstepper %}
## II. Label Printing
Once the Zebra Print app is set up, you can print labels from BoxHero.
{% stepper %}
{% step %}
Create barcode labels on the BoxHero [web platform](http://app.boxhero.io/) (desktop), which can then be used on your mobile device.
{% hint style="success" %}
Learn more about designing barcode labels [here](https://www.boxhero.io/docs/key-features/print-barcode#create-barcode-labels).
{% endhint %}
{% endstep %}
{% step %}
Open the [BoxHero app](https://docs-en.boxhero.io/getting-started#get-the-mobile-app) on your mobile device and tap `Print Item Label` in the `Barcode Labels` card on the home screen.
{% endstep %}
{% step %}
Tap `Label Design` > `Select Template` and choose your design.
{% endstep %}
{% step %}
Select the items to print, enter the print quantity, and tap `Done`.
{% endstep %}
{% step %}
Tap the `Print` button and select `Print` again in the pop-up.\
(If the printer is not listed, tap “**More / More Options**.”)
{% endstep %}
{% step %}
Choose your ZD421T printer and tap the **print** **icon** on the next screen to confirm printing.
{% endstep %}
{% endstepper %}
.png?alt=media)
.png?alt=media)
.png?alt=media)
.png?alt=media)
.png?alt=media)
.png?alt=media)
.png?alt=media)
.png?alt=media)
.png?alt=media)
.png?alt=media)
.png?alt=media)
.png?alt=media)
.png?alt=media)
.png?alt=media)
.png?alt=media)