003-340Phaser 7800

Xerox Phaser 7800 error 003-340: DNS resolution failure

Xerox Phaser 7800 error 003-340 indicates a DNS resolution failure. The device is unable to translate domain names into IP addresses, which stops network services like scanning to email or network folders. Correcting the DNS entry in the web interface typically resolves this instantly.

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Common causes

  • 1Incorrect DNS server address configuration.
  • 2Interruption in DNS resolution from server side.
  • 3Mismatch in network subnets.
  • 4Firmware-based network protocol timeout.

Solutions

Quick Diagnosis

If you see the 003-340 error, it signifies that the Phaser 7800 cannot 'find' the network resources by name. If the printer can connect to IPs directly, the DNS server is the primary suspect.

Step-by-Step Solution

  1. Log into the CentreWare interface.
  2. Navigate to Connectivity / TCP/IP.
  3. Input a standard DNS server like 8.8.8.8 to verify if the server is the issue.
  4. Reboot the machine to clear the network buffer.

Prevention and Maintenance

Use static IP addressing for critical office hardware to ensure DNS settings don't shift unintentionally.

When to Call a Technician

If DNS configuration does not resolve the issue, consult your IT administrator or a technician regarding the printer's internal firmware state.

Device Technical Specifications

  • Technology: Color Laser
  • Speed: 45 ppm
  • Connectivity: Gigabit Ethernet
  • Capacity: High-volume graphic design
  • Consumable: Xerox Phaser 7800 toners
  • Use Case: Corporate graphic printing
  • Official Drivers / Firmware

Steps to follow

  1. 1

    Access Web UI

    Log into the printer's CentreWare web interface using its IP address.

  2. 2

    Update DNS Settings

    Check and verify the primary and secondary DNS server addresses.

  3. 3

    Restart network services

    Perform a reboot to apply the new network configurations.

Frequently asked questions

It is a network-side error indicating the printer cannot resolve an address via DNS.

No, it is a purely logical networking issue.

No, this is strictly a network communication alert.

Keeping your network settings correctly managed is the best preventative measure.