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.

LEGACY ID:

SO7541