This is a device for sharing one printer between two computers. It's old, so I can't confirm if it works. Please consider it as junk. There is dirt, etc. I will not clean it. There is aging. I will ship it in its current condition. Please research how to install it yourself. !!! If you are purchasing with other items, please be sure to comment. !!! !!! Please refrain from purchasing if you are sensitive to imperfections !!! I am a private seller, so please understand that my inspection is not professional. Due to the possibility of item substitution, returns, refunds, and cancellations are not accepted. Please understand this fully before purchasing. I may change the shipping method from Rakuraku Mercari Bin to Yu-Yu Mercari Bin. Type... Cables Type... Printer related products Type... Print server Thank you for viewing.