HP LaserJet 4000 series
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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.