Bidirectional parallel port (requires a “C” connector)

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

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 RIP Once Technology (included with the HP Color LaserJet 4550HDN

featuresprinter)

Job retention (included with the HP Color LaserJet 4550HDN printer)

Flash DIMM

Environmental PowerSave setting

features

High content of recyclable components and materials

 

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Chapter 1 19

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HP 4550N, 4550DN, 4550HDN manual Features High content of recyclable components and materials