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Zebra ZD420/421 Setup

How to setup your Zebra ZD421 printer through either WiFi or Bluetooth.

Adding a ZD420/421 Printer to Your Network

The easiest way to add a printer to your local network and set up the print media options is to download the Zebra Printer Setup Utility app. This app can find and connect to Zebra printers communicating via a network or Bluetooth.

A network connection is required if you have multiple printers, as Bluetooth can only support one printer connection at a time.

Screenshot 2025-11-12 at 2.19.29 PM

 

  1. Download the Zebra Printer Setup Utility app from the iOS App Store.
  2. Load the printer with labels and power it on.
  3. Launch the Printer Setup app and tap Discover Printers. The app should find your
    printer via a Bluetooth connection.
    Screenshot 2025-11-12 at 2.23.11 PM
  4. Find your printer in the Discovered Printers list and select it. If this is the first time
    connecting to this printer, it will be identified by its serial number.
    Screenshot 2025-11-12 at 2.26.54 PM
  5. Tap Connectivity Settings.
    Screenshot 2025-11-12 at 2.28.19 PM
  6. For Bluetooth Printer Connection (WiFi go to step 7): Bluetooth can only
    support a single printer. If you have multiple printers to connect, you must use
    WiFi.
    1. Tap Bluetooth.
      Screenshot 2025-11-12 at 2.30.57 PM
    2. Toggle both the Bluetooth and Discoverable toggles ON. Enter a Printer
      Name if you wish to or leave the default name. Tap Next.
      Screenshot 2025-11-12 at 2.32.07 PM
    3. Tap Next and then Apply on the following screen.
      Screenshot 2025-11-12 at 2.32.53 PM
  7. WiFi Printer Connection: WiFi connections are required when you would like to
    connect multiple printers with different label sizes. DeliLabel will automatically
    print from the correct printer based on the label size you selected.
    1. Tap Wireless.
      Screenshot 2025-11-12 at 2.30.57 PM
    2. Give your printer a name in the Hostname field. This should be descriptive
      enough that you can identify the printer in the DeliLabel app. It can be
      helpful to include the label size that the printer will be loaded with and
      possibly the location (ex. Kitchen 3 x 2). Tap Next.
      Screenshot 2025-11-12 at 2.38.16 PM
    3. No changes on this screen. Tap Next.
      Screenshot 2025-11-12 at 2.39.00 PM
    4. Enter your WiFi Network ID in the ESSID field. This must be spelled
      exactly the same as your network name.
      1. Select the Security Mode for your network from the dropdown. This
        will be specific to your network although WPA_PSK is very
        common.
      2. Tap Next.
        Screenshot 2025-11-12 at 2.41.12 PM
    5. If you chose WPA_PSK as your security mode, enter your network
      password in the Wireless Identity field. Tap Next.
      Screenshot 2025-11-12 at 2.42.12 PM
    6. Tap Apply to save the settings to the printer.
      Screenshot 2025-11-12 at 2.43.12 PM
  8. Tap Reset and give the printer a few minutes to reboot. After the printer restarts,
    the network light on the printer should turn green indicating that the printer is connected to the network. If it doesn’t, double check your network settings and
    try connecting again.
    Screenshot 2025-11-12 at 2.45.37 PM
  9. If you see the No Printer Selected message, tap the menu button in the upper left
    corner and select your printer from the Discovered Printers section to connect.
  10. Tap Media Settings to configure the Label Parameters.
    Screenshot 2025-11-12 at 2.47.51 PM
  11. Tap Media Settings to edit the media settings.
    Screenshot 2025-11-12 at 2.49.12 PM
  12. Set the media type to Label/Tag. Tap the Width and Length field to enter the
    label dimensions. The Orientation should be set to Normal. Tap Next.
    Screenshot 2025-11-12 at 2.50.17 PM
  13. Media Type should be Auto Detect. Type of Transfer is Direct Thermal. Media
    Handling is Tear Off unless a Peeler/ Dispenser is being used with the printer. If
    so, set Media Handling to Peel Off. Tap Next.
    Screenshot 2025-11-12 at 2.51.58 PM
  14. Tap Apply to save the settings to the printer.
    Screenshot 2025-11-12 at 2.52.43 PM
  15. Tap Print Quality to adjust the print settings
    Screenshot 2025-11-12 at 2.28.19 PM
  16. Tap Manually Adjust.
    Screenshot 2025-11-12 at 2.54.10 PM
  17. Set the Speed to 4.0 and the Darkness to 30.0. Tap Next and then Apply to save
    the settings to the printer. You have successfully configured the ZD420/421 printer in
    the Zebra Setup Utility app.
    Screenshot 2025-11-12 at 2.54.45 PM