HP's commitment to practical, enabling innovation has made it the industry standard in laser printing for over 13 years. HP LaserJet 4000 series printers set yet another benchmark, affording you the latest in network printing technology backed by unparalleled quality, reliability and compatibility.??HP LaserJet 4000 series printers bring significant technology improvements to workgroup laser printing. The HP LaserJet 4000 printer is a solid foundation for your printing needs. This family of printers provides faster performance with new 17-page-per-minute engine and 100-MHz RISC processor outperform other laser printers and two 32-bit PCI-based Enhanced I/O (EIO) slots that deliver faster throughput and greater flexibility. HP FastRes 1200 (printer default mode) prints 1200-dpi quality at the same speed as 600-dpi and with standard memory. HP ProRes 1200 gives you true 1200-dpi output. HP UltraPrecise toner uses 5-micron particles (less than one-half the size of most other brands) f...