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Ｐ Ｃｏｌｏｒ ＬａｓｅｒＪｅｔ ４５００的推出满足了在 中小工作组环境下使用的需求，但面对重负荷的工作压力确实还需要更强的能力，因此升级产品 ＨＰ Ｃｏｌｏｒ ＬａｓｅｒＪｅｔ ４５５０在软硬件的配置上进行了提高和完善。这一款４５５０ＨＤＮ因为配置了硬盘、双面
P Color LaserJet 4500 introduced to meet the needs of the use of small and medium workgroup environment, but in the face of heavy work stress does need to be more capable, so the upgrade product HP Color LaserJet 4550 hardware and software configuration increased And perfect. This one 4550HDN configured hard drive, double-sided