Xerox Printers slow to spool

This one has me totally stumped. So we've moved to Kyocera from Xerox, but still have a few Xerox 4510's around. Everything was fine until last week the Xerox printers started to take 30-60 seconds to spool even small single page jobs. Once the job spools it spits out 16 pages of my test pdf fine, just the initial print is slow.

My printer server was still 2008 so I decided to toss up a VM on 2012 R2 and migrate. Printed to the freshly mapped xerox machines on latest drivers....same issue.

Here is what I've tried. Tried different drivers PS, PCL5, PCL6. Tried direct to printer. Mapped to IP as local port in case it was the server. All of this resulted in the same behavior.

Hooking up a USB and being sure to use the same driver, works fine so it doesn't appear to be a driver issue.

This behavior is the same for 3 different 4510s in 3 different buildings on different clients on different switches. Only thing I can possibly guess would be that my switches are causing an issue??? But only for Xerox??? The Kyocera's are all fine, you can hear them printing within a second or 2 at most, and they are on the same network equipment as well.

I don't even know where to go from here, switches are ubiqiti edgemax.
bhiebAsked:
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Zaheer IqbalTechnical Assurance & ImplementationCommented:
Has there been any windows updates pushed out ?
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Dr. KlahnPrincipal Software EngineerCommented:
Check the spooling settings for those printers and confirm that they are the same as for the printers which are operating normally.

In particular, look at the settings enclosed in green in the image below:

Spooling
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bhiebAuthor Commented:
Yep I tried all 3 of those same results.
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Dr. KlahnPrincipal Software EngineerCommented:
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Zaheer IqbalTechnical Assurance & ImplementationCommented:
Have you restarted your network equipment.
You stated you have tested with TCP/IP port was that on a local workstation ?

what has changed since the were working?
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bhiebAuthor Commented:
No i haven't since we are in peak season and are a 24/7 shop, that is my next step (but will likely have to wait until this weekend).

I tested the TCP/IP port on 2 different workstations on 2 separate switches and 2 different printers (printers both on the same switch as the workstation). My thought was that if something was bugged out in building one's switch surely it would't be also in building 2, but it was. That is the puzzling bit if it was server related the IP port should still work, and if it didn't then it had to be the driver right, except via USB that same driver works fine.  Gotta be something in the switch, but these have been rock solid for well over a year with no other issues.
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Zaheer IqbalTechnical Assurance & ImplementationCommented:
I guess the printers have been restarted ?
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Zaheer IqbalTechnical Assurance & ImplementationCommented:
what switch hardware do you use ?
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bhiebAuthor Commented:
Ubiquiti Networks - EdgeSwitch and yes I restarted the workstations and printers several times, even unplugging to be sure it was fully flushed.
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bhiebAuthor Commented:
guess i can toss the PC and printer on a work group switch and see if it is the card level or on the main network.
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gilnovSystems AdministratorCommented:
Is it just slow printing PDF's? Do the printers print slowly for ALL users?

Other random things to check:
- if there are any mini-switches/hubs between the printer and the wall, remove and see if the problem persists.
- check auto-negotiated link speed and duplex settings at printer, switch and computer so ensure they all match (e.g. if switch says 100/full, make sure the printer and computer agree).

If auto-negotiation is the issue, you might experiment with setting the switch port and printer NIC to 100/full or 1000/full.
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Zaheer IqbalTechnical Assurance & ImplementationCommented:
Also check if the ports are set to Auto Negotiate or Full duplex.
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bhiebAuthor Commented:
Different users, printers, and workstations were tested so I don't think it is at the PC or user level.  Could be a windows update, it started 2 weeks ago while I was out of town of course. I'll test tomorrow on a separate switch with just the printer and workstation.
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bhiebAuthor Commented:
I'm sure they are set to auto, as I'd rarely set it otherwise.
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bhiebAuthor Commented:
I'll update this in the morning.
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bhiebAuthor Commented:
So tested it on a separate switch and it was still slow.  

So going back to basics only thing left was the printer(s) themselves. I updates the firmware, and sure enough that fixed it (it was really old anyway). Not sure what sparked the degradation, probably something in the network or windows update.  Going to give the points to Zaheer on this one since they were most helpful in leading me to a solution (although not a solution on their own).
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Zaheer IqbalTechnical Assurance & ImplementationCommented:
Thank you. To be honest that was next on my list.
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gilnovSystems AdministratorCommented:
Firmware! (smacks forehead)
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bhiebAuthor Commented:
Yah really weird one, odd that whatever it was hit all 4 4510's left roughly at the same time. Likely a windows update or something, that revealed a long overdue FW update.
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gilnovSystems AdministratorCommented:
Makes perfect sense now. I'm just kicking myself for not suggesting it immediately. It's usually the second or third thing that comes to mind...right after "is it plugged in?" and "did you restart it?".
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