42.01ms622de

Lexmark MS622de error 42.01: Network Connection Issue

The Lexmark MS622de error 42.01 is a connectivity code indicating a fault in the Ethernet network interface. When users search for why does my printer show error 42.01, they are usually trying to restore printing capabilities after a network disruption. This error signifies that the printer cannot talk to the network gateway, making it unreachable for workstations.

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Common causes

  • 1Damaged Ethernet cable or poor connector contact.
  • 2DHCP conflict causing IP address rejection.
  • 3Network switch port misconfigured or inactive.
  • 4Network controller hardware failure on the printer board.

Solutions

Diagnóstico rápido

Error 42.01 is purely network-related. If the link lights on the printer's RJ45 port are off, your issue is physical. If they are blinking, it's an IP configuration issue.

Solución paso a paso

  1. Check the cable integrity and test with a known working patch cord.
  2. Reset network settings via the printer control panel to wipe stale configurations.
  3. Assign a static IP to ensure the printer stays reachable consistently.
  4. Test the switch port by connecting another device to confirm the port is active.

Prevención y mantenimiento

Assigning static IPs for printers is best practice to avoid network conflicts. Keep all networking hardware in a cool, ventilated area. Regularly update your firmware to keep your network stack protected against connectivity bugs.

Cuándo llamar a un técnico

If you have performed a network reset and verified the cable with multiple ports and the device still reports 42.01, the internal network controller may be faulty.

Ficha técnica del equipo

  • Technology: Monochrome Laser
  • Speed/Output: Up to 50 ppm
  • Connectivity: Ethernet 10/100/1000
  • Input capacity: 550-sheet standard tray
  • Compatible supplies: 502/50F series
  • Usage: Network-heavy office work
  • Official drivers / firmware

Steps to follow

  1. 1

    Check Cable

    Verify the Ethernet cable is secure in both the printer and switch.

  2. 2

    Reset Network

    Navigate to the network menu and reset the network settings to factory default.

  3. 3

    Static IP

    Manually set a static IP address to avoid DHCP conflicts.

Frequently asked questions

Error 42.01 occurs when the network interface fails to maintain a connection, often due to physical cable faults or IP configuration errors.

Print a network settings page through the device menu to confirm if the printer has a valid IP address.

No, but you need paper to print the diagnostic report.

If you have verified cables and IP settings and the printer remains offline, contact your network admin to inspect the switch port.

Lexmark MS622de error 42.01: Network Connection Issue | Vimazdev