M3035 and LaserJet Pro MFP M227sdn share specifications such as Print Technology (Laser), Automatic Duplex Printing (Yes), USB (Yes), Ethernet (Yes).
The main differences: Printer Functions (M3035: Print; Scan; Copy, LaserJet Pro MFP M227sdn: Print, Scan, Copy); Black Print Speed A4 (M3035: 33 ppm, LaserJet Pro MFP M227sdn: 28 ppm); Print Resolution (M3035: 1200 x 1200 dpi, LaserJet Pro MFP M227sdn: 600 x 600 dpi).
M3035 may suit users who need its differing values, while LaserJet Pro MFP M227sdn benefits those who need its paired strengths. Review the specs table above before deciding.