I recently purchased two WorkCentre 6015NI units and they both have the same problem:
After a period of time, they go to sleep and won't wake up. At this point, they lose connectivity to the network and don't even respond to ping. They are both connected to a Cisco ASA5505 (firewall) and work pretty well otherwise. The user eventually has to reboot the printers to get them back up and running.
I have updated the firmware on both of them to the current level available online.
Anyone have any ideas?
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Do you already have a solution? Xerox contact center in Belgium always tells that it is our network problem, specially designed for this printer I immagine :(
We have seen this same issue for a few years. When the printer goes into this problem state, it cannot be woken up by any button on the panel, and we must power cycle it. When we first reported this problem, support sent another printer. However, the replacement printer exhibited the same problems. In another support call, Xerox techs suggested that the printer might be affected by a surge-protector. We tried the printer without a surge protector but we saw the same problem. Finally, support admitted that very few people had reported this problem, and so it might not get fixed in any pending firmware update. That news is disappointing, because, other than the sleep issue, this is an excellent printer.
The fix seems to be arranging for the printer to always get the same IP either by brute force assignment through the control panel or adding it to the DHCP reservation list used by your network.