Quick overview from the supplier:
MFD HP LaserJet Pro MFP M428dw
MFD, A4, ADF, Ethernet, USB, Wi-Fi
Print, Copy, Scan, Email
Print speed black: Normal: Up to 38 ppm (default); Up to 40 ppm (HP High Speed)
First page out (ready): Black: As fast as 6.3 sec
Duty cycle (monthly, A4): Up to 80,000 pages
Recommended monthly page volume: 750 to 4,000
Print quality black (best): Fine Lines (1200 x 1200 dpi)
Print languages: HP PCL 6, HP PCL 5e, HP postscript level 3 emulation, PDF, URF, Native Office, PWG Raster
Display: 6.86 cm (2.7 in) intuitive colour touchscreen (CGD)
Processor speed:1200 MHz
Memory: 512 MB
Paper handling input, standard: 100 sheet tray 1, 250 sheet input tray 2, Automatic Document Feeder (ADF) 50 sheets
Paper handling output, standard:150 sheet output bin
Duplex printing: Automatic (default)
Scanner type: Flatbed, ADF
Scan file format: PDF, JPG, TIFF
Scan resolution, optical: Up to 1200 x 1200 dpi
Duplex ADF scanning: No
Interface, 1 Hi-Speed USB 2.0; 1 rear host USB; 1 Front USB port; Gigabit Ethernet 10/100/1000BASE-T network; 802.3az(EEE); 802.11b/g/n/2.4/5 GHZ Wi-Fi radio
Replacement cartridges:
HP 59A Black LaserJet Toner Cartridge (3,000 pages) CF259A
HP 59X Black LaserJet Toner Cartridge (10,000 pages) CF259X
What's in the box:
HP LaserJet Pro M428dw; Preinstalled HP 59A Black LaserJet Toner Cartridge (yield: 3,000 pages); Getting started guide; Support flyer; Warranty guide; Regulatory flyer; Power cord; USB cable