The Brother HL-2070N is a simple black and white laser printer.  If you're looking for a laser printer with Ethernet support (to use on a network), then this low-cost product is perfect.  It lacks certain features (like 2-sided printing and wireless support), which more expensive laser printers might have.

On the plus side, the printer installs easily.  It comes with an simple installation CD, which does not burden you with useless software (like many HP driver CDs do).  I use the printer quite heavily, and I have never experienced a paper jam or other errors.  Not once!  Adding more paper...