Printer features The HP LaserJet 4500 printer family pictured in Figure 1-1 has three models. The HP LaserJet 4500 printer is the base model; it includes 32 MB of RAM. The HP LaserJet 4500 N printer includes the base model with an HP JetDirect 600N print server (network card) and 64 MB of RAM. The HP LaserJet 4500 DN printer includes the base model with an HP JetDirect 600N print server (network card), a 500-sheet paper feeder, a duplex unit, and 64 MB of RAM. 1 2 Figure 1-1 HP Color LaserJet 4500 family printers 1 HP Color LaserJet 4500 and 4500 N printers 2 HP Color LaserJet 4500 DN printer 2 Printer features