4002PX940

Honeywell PX940 Error 4002: Network Connectivity

Error code 4002 on the Honeywell PX940 indicates a communication loss with the network server or an IP address conflict. This error disrupts print jobs in connected industrial settings. You must verify physical cable integrity and local IP configuration in the control panel.

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Common causes

  • 1Physical Ethernet cable disconnection.
  • 2IP address conflict due to duplicate assignment.
  • 3Switch or router failure within the local network infrastructure.

Solutions

Physical Cable Check

  1. Ensure the Ethernet cable is securely seated in the RJ45 port.
  2. Swap with a new Cat6 cable to rule out physical damage.
  3. Check port LEDs for activity signals.

Network Interface Reset

  1. Navigate to 'Settings' > 'Communications' > 'Ethernet' on the printer display.
  2. Disable and re-enable network settings.
  3. Confirm the assigned IP address is valid within your local subnet.

Steps to follow

  1. 1

    Physical Inspection

    Disconnect and reconnect the network cable to ensure a solid connection.

  2. 2

    Static IP Setup

    Assign a static IP via the PX940 menu to avoid DHCP lease issues.

  3. 3

    Connection Test

    Run a ping command from your workstation to the printer's static IP.

Frequently asked questions

The PX940 supports various interfaces, but Ethernet is the most reliable choice for industrial environments.

Your printer is likely using DHCP. Setting a static IP is recommended to prevent connection drops.

No, error 4002 is specific to the network subsystem; the USB interface should remain functional.

Honeywell PX940 Error 4002: Network Connectivity | Vimazdev