HP LaserJet Enterprise 600 M602x, LaserJet. Maximum resolution: 1200 x 1200 DPI, Print technology: Laser, Maximum duty cycle: 225000 pages per month. Print speed (black, normal quality, A4/US Letter): 50 ppm, Time to first page (black, normal): 8.5 s. Internal memory: 512 MB, Maximum internal memory: 1024 MB, Memory type: DDR2. Processor clock speed: 800 MHz, Built-in processor: ARM Cortex-A8. Standard input capacity: 1100 sheets