What is 'DOT4_001' and USB003 port?

  • Thread starter Thread starter Guest
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G

Guest

I have a printer connected to a DOT4_001 port whose description is HP
LaserJet 1160 Series.
Another printer is connected to a USB003 port whose description is Virtual
printer port for USB.

Would somebody be kind enough to give me an overview (or a link to same) so
I can understand what is going on.
 
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