400OKI MC873dn
Fixing OKI MC873dn Error 400: Network Connectivity
Error 400 on the OKI MC873dn model signals a communication failure between the printer and the local area network. This results in the printer being 'offline' for all connected devices. Troubleshooting involves checking physical cabling and verifying network configuration settings.
0 views
Common causes
- 1IP address conflict on the network.
- 2Defective Ethernet cable.
- 3Network firewall settings blocking printer communication.
Solutions
Reset Network Interface
- Enter the 'Admin' menu on the control panel.
- Navigate to 'Network Settings' and select 'Reset Network'.
- Confirm the selection to force the printer to re-acquire an IP address.
Physical Connection Check
- Inspect the Ethernet cable for signs of wear.
- Ensure the cable is securely plugged into the router and the printer.
Steps to follow
- 1
Check connections
Re-plug the Ethernet cable into both the router and the printer.
- 2
Check IP status
Print the network configuration page to check the assigned address.
- 3
Static IP setup
If DHCP fails, manually assign a static IP address outside the DHCP range.
Frequently asked questions
Go to the Reports menu and select the Network Configuration page print option.
Try swapping the port on your network switch or router.
The MC873dn supports wireless options if the relevant wireless LAN module is installed.