Problem with HP T1100 network printer IP address

Hello,
I use Microstation V8.11 and I have a problem with the driver to plot with my HP DesignJet T1100.

Formerly the plotter was shared on our main server (named SRV-01), and I was using the following instruction in the .plt file:

default_outFile/auto_overwrite ="\\SRV-01\DesignJetT1100"

Now the plotter has an own IP address, so I try to modify the plt file.
The matter is that I try to insert the IP address in the previous file, but nothing happens and I receive only an error when trying to plot with a microstation driver.

Please, can anyone help me? If you need I can post my plt file.

Thank you in advance.

Regards,
Alessandro Orsetti