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Chapter 1 19
Duplex printing
●
Duplex printing accessory mounts directly beneath the printer for
two-sided printing (included with the HP Color LaserJet 4550DN and
4550HDN printers)
Connectivity
● Bidirectional parallel port (requires a “C” connector)
●
Two Enhanced Input/Output (EIO) slots
● HP JetDirect print server (EIO network card) (included with the
HP Color LaserJet 4550N, 4550DN, and 4550HDN printers)
● Paper handling accessory port
● Infrared receiver port
● Embedded Web server
Optional storage
features
● RIP Once Technology (included with the HP Color LaserJet 4550HDN
printer)
● Job retention (included with the HP Color LaserJet 4550HDN printer)
● Flash DIMM
Environmental
features
● PowerSave setting
● High content of recyclable components and materials