I have a Dell 2665dnf MFP. It's been working well for a month. Now, if I send a job to it, I have to reboot it in order for the job to print. We've reinstalled drivers and updated firmware. It seems, we have to reboots after 15 to 20 minutes. The printer never goes into sleep mode. I've changed this option to 30 minutes. Nic card show activity. I have not changed ports on switch. I don't think it's a data port issue. We may have to replace printer. Any thoughts?
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