> 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/desktop-printing.md).

# Desktop Printing

***

## I. Driver Installation

{% stepper %}
{% step %}
Search for your printer model (ZD421T) on the official [ZEBRA website](https://www.zebra.com/us/en/support-downloads.html) and download the driver.

<figure><img src="/files/3OJBbIPtAA88XM1Zut7W" alt=""><figcaption></figcaption></figure>

<figure><img src="/files/WMPdVqZ0i4ibG6PYvBuI" alt=""><figcaption></figcaption></figure>

<figure><img src="/files/tObC7eLZrlhkLhtFmGyp" alt=""><figcaption></figcaption></figure>
{% endstep %}

{% step %}
Run the driver file to begin installation.

<figure><img src="/files/xfjbCDwLRVThZHBjuliy" alt=""><figcaption></figcaption></figure>
{% endstep %}

{% step %}
On the final screen, check **Run the printer installation wizard** and click `Finish`.

<figure><img src="/files/1JVxn7q0DrEPwCmVWTOL" alt=""><figcaption></figcaption></figure>
{% endstep %}

{% step %}
Pause the process and prepare a USB cable to connect your PC and printer. (Don't connect it yet.)

<figure><img src="/files/jfazROfZJjtnGuv1AsaI" alt=""><figcaption></figcaption></figure>
{% endstep %}

{% step %}
Continue with the printer installation wizard.

<figure><img src="/files/cQ4zAeSvSogFMeleXaTj" alt=""><figcaption></figcaption></figure>

<figure><img src="/files/vYVn0C3qCFid8PbkKFHW" alt=""><figcaption></figcaption></figure>
{% endstep %}

{% step %}
When prompted, connect the USB cable to both the printer and computer. If the screen doesn't advance, try disconnecting and reconnecting the USB cable.

<figure><img src="/files/9EzIUO2zhvA04Zp5ozHI" alt=""><figcaption></figcaption></figure>
{% endstep %}

{% step %}
Click `Next` to complete the installation.

<figure><img src="/files/qFThJifBTx8PrHjjOMYj" alt=""><figcaption></figcaption></figure>
{% endstep %}

{% step %}
Now you need to set the paper size in the printer settings. Go to `Bluetooth & devices` > `Printers & scanners`.

<figure><img src="/files/vaIibFUY2Ew9MtEnnWST" alt=""><figcaption></figcaption></figure>

<figure><img src="/files/AYd2kvJyemuky2sW6cLL" alt=""><figcaption></figcaption></figure>

<figure><img src="/files/MYwxR1kgcexQ7ZR9igFM" alt=""><figcaption></figcaption></figure>

{% hint style="danger" %}
If the paper size is not set correctly in the printer settings, the printout may not align properly.
{% endhint %}
{% endstep %}
{% endstepper %}

## II. Label Printing

{% hint style="success" %}
Once the driver is installed and paper size is set, you can print labels from BoxHero.
{% endhint %}

{% stepper %}
{% step %}
Log into BoxHero on your PC and navigate to the <mark style="color:$primary;">`Print Barcode`</mark> section. Select <mark style="color:$primary;">`Thermal Label`</mark> and enter the paper size you'll be using.

<figure><img src="/files/CHaJuP1btk4s9G6Lkr8U" alt=""><figcaption></figcaption></figure>
{% endstep %}

{% step %}
Choose your desired template: **Barcode** or **QR Code**.

<figure><img src="/files/pczVKSPnXhsz2xR8yx8n" alt=""><figcaption></figcaption></figure>

{% hint style="info" %}
The preview screen on the right will display one of your registered items for reference.
{% endhint %}
{% endstep %}

{% step %}
In the **Design Details** section at the bottom of the page, set up the item information you want to display on the label.

<figure><img src="/files/n85naJGgmEba7npfWQuh" alt=""><figcaption></figcaption></figure>

{% hint style="success" %}
Need help with design settings? Click [here](https://docs-en.boxhero.io/features/print-barcode#customize-your-barcode-design) for detailed instructions.
{% endhint %}
{% endstep %}

{% step %}
Select <mark style="color:$primary;">`Vector`</mark> for barcode format and click <mark style="color:$primary;">`Save`</mark>.

<figure><img src="/files/ACfFY7eJC4oCJxOIDI8H" alt=""><figcaption></figcaption></figure>
{% endstep %}

{% step %}
Add the items you want to print to the list, then click the <mark style="color:$primary;">`Print`</mark> button at the bottom.

<figure><img src="/files/4V6YR3jp6xdZqE9kd66j" alt=""><figcaption></figcaption></figure>
{% endstep %}

{% step %}
Select the printer you want to use and click <mark style="color:$primary;">`Print`</mark> to start the printing.

<figure><img src="/files/7gKdlsumEL9irmgkD42U" alt=""><figcaption></figcaption></figure>

<figure><img src="/files/CiEkAGLP3OUrN3KyoiD3" alt=""><figcaption></figcaption></figure>
{% endstep %}
{% endstepper %}