HP LaserJet M452nw Energy Saving Issue

Hello all,
I have a client that has an HP Color LaserJet M452nw that is only being used as a wireless printer.
It is on their wireless network and is mainly being used by physician iPads and laptops so AirPrint and wireless are enabled.
The issue is that every 5-10 minutes it will stop responding to the wireless network for about 2-3 minutes and then suddenly start up again.  This is even happening if I do a continuous ping to it.
I have set the energy saving parts to their maximum and have turned of HP Web Services.
I have also updated to the latest firmware of 20160331
None of this has fixed the issue.
HP tech support has been not very helpful.  One of their tech people stated that I need to turn on wi-fi direct setup even though it states "With Wi-Fi Direct, you can print from a mobile device(such as a smartphone or notebook computer) directly to the printer without connecting to a wireless network."  We don't want that because some of the patients will be able to suddenly print to the printer.
Does anyone have any ideas?
Should I connect this printer via ethernet?  If I do that will airprint still work on the printer?
Thanks,
Kelly W.
LVL 6
K_WilkeAsked:
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hdhondtConnect With a Mentor Commented:
Connecting it via the wired network will at least prove whether the problem is in the printer or in the wireless network.

You should still be able to print, as long as the laptops have access to the wired part of your network. The IP address of the printer will probably change, so the driver settings will need to be changed to accommodate that.
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K_WilkeAuthor Commented:
but will airprint still work if I plugged into the wired portion?
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hdhondtCommented:
Airprint wants to talk directly to the printer, so the ipads will have a problem.
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K_WilkeAuthor Commented:
That worked.  It was the wireless system and I fixed it.  Thank you so very much!
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