The HP LaserJet Pro MFP M428fdn (W1A29A) is a fast, secure, and productive monochrome multifunction printer designed for small-to-medium offices. It prints, copies, scans, and faxes, offering speeds up to 40 ppm (A4/Letter) with automatic 2-sided printing, Ethernet networking, and a 2.7-inch color touchscreen. 

HP +3

Key Features and Specs

1. Performance: Prints up to 38-40 ppm with a first page out in as fast as 6.1 seconds.
2. Functions: Print, copy, scan, fax, and email.
3. Paper Handling: 50-sheet Automatic Document Feeder (ADF) for scanning/copying, with a total input capacity of 350 sheets (100-sheet tray 1, 250-sheet tray 2).
4. Security: Features HP Wolf Pro Security to protect against attacks, with PIN/pull printing capability.
5. Connectivity: Ethernet (10/100/1000T), USB 2.0 (host/device), and mobile printing (Apple AirPrint, Mopria Certified).
6. Efficiency: Designed to reduce paper waste and energy consumption with auto-on/auto-off technology. 

HP +6

Supplies and Duty Cycle

1. Duty Cycle: Up to 80,000 pages per month, with a recommended monthly volume of 750 to 4,000 pages.
2. Toner: Uses HP 58A / HP 58X toner cartridges (58A standard or 58X high-yield).
3. Security: This is a dynamic security-enabled printer, intended to work only with cartridges using a new or reused HP chip.