The HL-L5050DN cashback offer expired on the same date that you posted the comment.
Hen's teeth. Economy laser printers. Remember, the entire world moved to home working in the last three months. I've been looking for a replacement for ages, My own was lent out to the local undertaker!
Much better printer and deal is the Brother HL-L5050DN, Works out to £75 including cashback offered directly from Brother
try that YouTube video seems to have helped a lot of people get it working with macosx.