The unit was bought a few months ago and used to print paper <50 pages.

More detailed specs from Amazon + USB port that I purchased myself to use with the printer
List Price:$119.99
Print Speed: up to 30ppm; Mono
Hi-Speed USB 2.0 interface for local connectivity
Automatic Duplexing (two sided printing)
Print Technology: Electrophotographic Laser
250-sheet capacity tray adjustable for letter or legal, plus a manual feed slot for envelope printing

www.amazon.com/Brother-HL-L2320D-Mono-Laser-Printer/dp/B00LEA5EHO