Members of my family between them have bought 3 Samsung laser printers, and all of them failed within 4-24 months. It has gave me the impression that the Samsung laser printers are not built to last, and has certainly put me off buying any.
Here are some alternatives to consider:
Canon LBP6000 - click here
Hp LasterJet Pro P1102 - click here
Brother HL-2035 - click here