Zebra P1112640-239C Printer/Scanner Spare Part/Accessory WLAN Interface 1 pc.

The WLAN interface Zebra P1112640-239C for ZD421 label printer provides wireless network connectivity to the Zebra ZD421 series. This module is a spare part designed to enable reliable Wi‑Fi communication between the printer and networked devices, removing the need for direct USB or Ethernet connections. It extends the printer's deployment options in environments where cabling is impractical or where devices require mobility.

Advantages

The WLAN interface delivers stable wireless performance and is engineered for compatibility with the ZD421 platform. It simplifies installation and integration into existing wireless networks and supports standard wireless protocols for predictable connectivity. As a manufacturer-approved spare part, the module maintains the printer's original operating characteristics and helps preserve warranty alignment when installed correctly.

Suitable for

• Retail point-of-sale systems requiring flexible printer placement
• Warehouse and inventory locations where mobility and wireless access are needed
• Healthcare environments that demand networked label printing without extra cabling
• Office or back-office printing stations with shared network access

Key specifications

• Interface type: Wireless LAN module compatible with the ZD421 printer series
• Wireless standard support: IEEE 802.11 family (Wi‑Fi) — provides encrypted network connectivity
• Form factor: Add-on module designed to fit the ZD421 slot and electrical connector
• Power: Draws power from the host printer; no separate power supply required
• Operating environment: Designed for standard commercial environments typical for label printers

How to use

Install the WLAN interface into the designated module slot on the ZD421 following the printer service manual or quick install guide. After physical installation, configure the wireless settings using the printer's web interface or configuration utility: select the network SSID, set authentication and encryption parameters, and assign network settings either via DHCP or static IP as required. Verify connectivity by sending a test label from a networked computer or mobile device and confirm stable communication and correct label formatting.

Recommendations

For optimal performance, place the printer within the coverage area of the access point, avoid sources of strong electromagnetic interference, and ensure the printer firmware is up to date before installing the WLAN module. Use secure Wi‑Fi settings (WPA2/WPA3 where supported) and follow network policies for device authentication and IP addressing.