Can i run a printer off the ethernet cable connection without hurting the imac or is the ethernet slot only for internet connection?

can i run a printer off the ethernet cable connection without hurting the imac or is the ethernet slot only for internet connection?

Hi, Alan -
How can I connect to both printer (HP 4050n, via direct connection) and internet (via LAN), as my iMac has only one R45 port?
You can, but you'll need to expand your cabling a bit.
You'll need to get an intermediate ethernet hub, switch, or router. That device sits alone, with the Mac, your printer, and your modem/LAN plugged into it.
If you are already using a router, either separate or in combination with the modem (many modems have a built-in router), then you just need a hub or switch.
I use an ethernet switch (10/100/1000) to let both my Macs (a 2010 iMac and an elderly G4 DA model) use my HP4000n printer and my modem. The ethernet switch is a passive device, meaning there's no setup nor instructing it required - it's truly plug-and-play. All four items (two Macs, printer, and modem) are plugged into it via ethernet; both Macs have full-time independent access to the printer and the modem.

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