Compact, connected and affordable, the high-performance Lexmark B2236dw features monochrome output of up to 34 pages per minute*, standard Wi-Fi connectivity and two-sided printing.
Monochrome Laser
Duplex (2-sided) Printing: Integrated Duplex
Print Speed: Up to 34 ppm
Recommended Monthly Page Volume: 250 - 2500 pages†
1 Year Warranty
Please Note catridges are expensive for these models.
I am not sure whether you can re-fill toner like brother mono-laser.
Thanks to pricehipster
So, brother mono laser is cheap to get refills?