Mac OS's see printer with new static IP but won't print to it

I put a new sonic wall firewall between a comcast business class router and a a small office with voip phones and computers. Now the office gateway has the usual local 192.168.168.168 ip, and I changed all the static IPs from the old 10.1.10.x to be on the new network.  The file server has one static ip (192.168.168.2), and the Okidata printer has another (192.168.168.3).  

The office workstations can see the file server, AND they can load the okidata printer webpage. But for the life of me I can't get the computers to PRINT to the OKIdata.

I noticed that the one Yosemite iMac in the office says it is still printing to the old IP, 10.1.10.3.  I can't figure out why.

None of the other macs in the office identify which ip they're printing to.

I can't find any reference to the Okidata network settings except,
admin / Network, which I already changed.

All the workstations can load the WEBPAGE of the Okidata by browsing to that IP. But not print.  (Most workstations in office are around osx 10.8.5)

Most workstations say they're connecting to the okidata, and copying the data, then the job disappears. Others, the job hangs and stay sin the workstation print queue.

I tried resetting the print systems on the mac os's, didn't help

On the one Windows computer, I was able to go in and change the port (ip) of the printer, and it works.
dgrrrAsked:
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dgrrrAuthor Commented:
It was / is the DEPARTMENT CODE.  I spent hours and hours trying to change the presets to allow me to edit them in the "show presets" menu, OR the CUPS menu. Cups totally faked me ut, since it had 5 digits of department code to enter. Turns out it's all in another dropdown box, under "printer  mode", "department code".  Jeesh. Wasted 10 hours of my life.

I was copying preference files around between machines. And it worked. But unnecessary.
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strungCommented:
Have you tried deleting and re-installing the printer drivers on the Mac?
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strungCommented:
Alternatively, you can modify the printer ip address via the CUPS admin page of each Mac.

On each Mac, open your browser and type http://127.0.0.1:631/printers. You will see a page with each printer queue listed. For the printer/s you need to change, click on Modify Printer. You will have to authenticate as an administrator of the Mac (which I guess you are). Click Continue until you get to the Device URI page where you can change the ip address. Click Continue until you get back to the Printers page.
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dgrrrAuthor Commented:
Strung - I did try that actually, and I got to a page of IP's. The top one was selected (it said something like "dsscn://blahblah...).  I selected the line lower down that showed the desired IP.  And then there was only one thing to click (at the bottom, maybe "modify" or "next"), and I went back to an earlier page.  But the IP wasn't changed. If I went back into those menus the top line was still selected.

Maybe I missed a step?  Or something was "locked"? (I do remember putting in the imac username & login password)
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strungCommented:
It may simply be easier to delete the printer using the Print & Fax preference panel and re-install it.
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dgrrrAuthor Commented:
(Thx for your input by the way) I did try resetting The print system. And then re-adding the printers. Does that accomplish the same thing as your above suggestions?
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strungCommented:
No. You have to delete the driver by selecting the printer in the print and fax prefs panel and clicking on the minus sign at the bottom left of the panel. This will delete the driver entirely. Then install the new one.
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hdhondtCommented:
This question has been classified as abandoned and is closed as part of the Cleanup Program. See the recommendation for more details.
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dgrrrAuthor Commented:
Well it was solved, I just don't care about giving myself points. Up to you whether it's a useful thread to have in the system.
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