HP LaserJet 4000 series Comparison Comparison table of HP LaserJet 4000 models

| Model | Introduction | Discontinued | CPU_Speed | Print_speed_PPM | Standard_memory | Maximum_memory |
|---|---|---|---|---|---|---|
| 4000 | November 1997 | May 1999 | 100MHz | 17 | 4 MB | 100 MB |
| 4050 | May 1999 | November 2001 | 133MHz | 17 | 8 MB | 192 MB |
| 4100 | March 2001 | February 2003 | 250MHz | 25 | 16 MB | 256 MB |
| 4200 | November 2002 | June/November 2005 1 | 300MHz | 35 | 48 MB | 416 MB |
| 4240 | ? - Please add details on this model | ? - Discontinued | ? - 460MHz | ? - 40 | ? - 48 MB | ? - 512 MB |
| 4250 | November 2002 | June/November 2005 1 | 460MHz | 43 | 48 MB | 512 MB |
| 4300 | December 2002 | June 2005 | 350MHz | 45 | 64 MB | 416 MB |
| 4350 | November 2002 | June 2005 | 460MHz | 52 | 64 MB | 512 MB |