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The LaserJet 4000 series is Hewlett-Packard's medium-duty monochrome laser printer range and the successor to the LaserJet 5 series. The LaserJet 4000 series, like most of Hewlett-Packard's laser printer series, follow the standard nomenclature for denoting factory-included features. * n = network ready * t = twin/two (smaller in some models) paper trays * d = duplex/double sided printing * s = stacker for output tray * l = stapler. Further accessories could also be purchased if the desired functions didn't come factory fitted on the model purchased. For example, network cards, additional trays and duplexing units are the most commonly found. ==LaserJet 4000== The LaserJet 4000/4050 and their respective variants were the first printers released in the 4000 series. The LaserJet 4000 series printers print letter paper at 17 pages per minute, and can be set to print at 600 dpi or 1200 dpi, although when set to print at true 1200 dpi, the printer runs at reduced speed. These printers may be connected to a computer using either the serial port, parallel port or Ethernet ( for the network capable "N" series ). The LaserJet 4000 series was introduced in November 1997 and was discontinued in May 1999. They are powered by a NEC VR4300 CPU〔(【引用サイトリンク】url=http://www.nec.co.jp/press/en/9801/2002.html )〕 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「HP LaserJet 4000 series」の詳細全文を読む スポンサード リンク
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