Computers / Peripherals / Printers / Max Printing Speed Mono 37, Paper Format B4

Lexmark C935HDN  

Laser, 37 ppm black print speed, USB / Ethernet, Paper handling support A5 / B5 / C5, 1200 x 1200 dpi max resolution

Lexmark C935dn  

Laser, 37 ppm black print speed, USB / Ethernet, Paper handling support A5 / B5 / C5