HP LaserJet Pro MFP M428fdn All-in-One Printer HP LaserJet Pro MFP M428fdn Monochrome All-in-One Printer with built-in Ethernet & 2-sided printing, (W1A29A) Functions Print, Copy, Scan, Fax, Email Print Speed – Black (normal) Up to 40 ppm (default) ; Up to 42 ppm (HP High Speed) First page out (ready) black As fast as 6.1 sec Resolution (black) Fine Lines (1200 x 1200 dpi) Resolution technology HP FastRes 1200, HP ProRes1200, Economode Monthly duty cycle Up to 80,000 pagesDuty cycle is defined as the maximum number of pages per month of imaged output. This value provides a comparison of product robustness in relation to other HP LaserJet or HP Color LaserJet devices, and enables appropriate deployment of printers and MFPs to satisfy the demands of connected individuals or groups.
