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Lexmark XM7163

Lexmark XM7163

Troubleshooting intermittent network dropped connections

Issue description

This article will help you troubleshoot intermittent dropping off the network connection problems involving Lexmark laser printer/MFPs.

Lexmark laser printers that show the 900.00 firmware errors are intermittently failing over the network. After turning off the IPV6, the 900.00 errors clear and a new error is observed but more devices are still failing over the network.


Update the printer’s firmware with the latest EC4 release code or higher.

for steps on to update the printer firmware, please refer to this link.


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