Problems with network printer

We have a Xerox 860 with a static IP. It was on an USP port but we
decided to move it to the network. We assigned a static IP
(10.10.10.45) and installed it on a standard IP port.

The print is visible but doesn't print... we get print fail message.
I can ping it, I can manage it with http://10.10.10.45 or by it's name
http://xerox

I'm sure I missed something somewhere

Thank you for any ideas and sugestions

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