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which components are used to connect a computer to a printer?
Most Common Printer Connections are Serial, Parallel, USB, and Ethernet.
what is ethernet connection for printer?
Ethernet is a wired network printer uses an Ethernet cable instead of a USB connection, and it connects directly to a router instead of an individual computer.

Question: what cable is commonly used?
Self-contained rewrite: what cable is commonly used to connect a computer to a printer?