HP M551dn, LaserJet Enterprise 500 Colour Printer

Minimum dimensions (W x D x H) : 514 x 491 x 402 mm
Weight: 34.6 kg
Processor: ARM Cortex™-A8
Processor speed : 800 MHz
Automatic paper sensor : No
Duplex printing : Automatic (standard)
Duty cycle (monthly, A4) : Up to 75000 pages
Recommended monthly page volume : 1500 to 5000
Print technology : Laser
Print languages: HP PCL 6, HP PCL 5c (HP PCL 5c driver available from the Web only), HP Postscript Level 3 emulation, native PDF printing (v 1.4)
Print quality black (best) : Up to 1200 x 1200 dpi
Print quality black (normal) : Up to 600 x 600 dpi
Print quality color (best) : Up to 1200 x 1200 dpi
Resolution technology : HP ImageREt 3600, Pantone Calibrated
Print speed duplex (A4): Up to 29 ipm
Print speed black (normal, A4) : Up to 32 ppm
Print speed colour (normal, A4) : Up to 32 ppm