GPP for Direct IP printer deployment

I have 50 sites with roughly 100 printers. We are looking to remove all the print servers at the remote offices and use direct IP printing for the users to print. Print server is win2012R2 and endpoints are all win7.

I had thought that we could setup 1 central print server and install all the printers on it and then use GPP to deploy TCP/IP printers based on subnet and group memberships.

In the GPP the intention was to use IP Printers so that the print job's didn't need to travel over our slow WAN links to the central server spooler.

I really just need answers to the following questions:

Will print jobs spool to the central print server or directly from the end point to the printer if i us TCP/IP printers in GPP
When GPP installs a printer my understanding is that it will get it's drivers from the central print server if required, will it get the printer preferences from the shared printer also?
I understand that if the print server is not available new printers will not get created but will the already deployed printers continue to work?
One of my tech's told me that if he stopped the spooler on the server then printing stopped... he said this was when he had it setup to TCP/IP

If you dont have any real experience with this stuff please dont hit and run this hoping for points, I need someone that is using a setup simular to what is mentioned... I've already read all the m$ tech notes.
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Direct TCP/IP printing is similar in its setup to USB printing.

If you want to bypass the print server because of slow wan speed, then any settings on the server will have no effect on the PCs. The print jobs will spool directly from the PC to the printer. The printer driver can be installed either from local files or from files on a server. If the server is not available, new printers can still be created, but only from local files, or from files available somewhere on the network. As the server is not used to spool prints, there are no preferences on the server that can propagate to the PC. As you are not using the server, availability of the serverh is not relevant. If printing stopped when the tech stopped the spooler on the server, that means that the printer was TCP/IP connected to the server, not to the PC.

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