| Media weights by paper path | 60 - 200 g/m²; 60 - 120 g/m² |
| Print quality (black, best quality) | 1200 x 1200 DPI |
| Package dimensions (WxDxH) | 592 x 495 x 347 mm |
| Typefaces | 80 |
| Recommended operating temperature range (T-T) | 15 - 32.5 °C |
| Acoustic power emissions | 6.7 B(A) |
| Maximum paper trays | 3 |
| Print margin bottom (A4) | 5 mm |
| Custom media sizes | 76 x 127 - 216 x 356 mm |
| Print quality (black, draft quality) | 600 DPI |
| Print margin right (A4) | 5 mm |
| Print margin top (A4) | 5 mm |
| Compatible operating systems | OS/2, UNIX, Linux, HP OpenVMS Microsoft Windows 98, Me, NT 4.0, 2000, XP, Server 2003; Apple Mac OS 9.x and later, OS X v.10.1 + |
| Media weight (tray 2) | 60 - 120 g/m² |
| Print quality (black, normal quality) | 1200 DPI |
| Media weight (tray 3) | 60 - 120 g/m² |
| Media size (tray 2) | A4, A5, B5 (JIS), letter, legal, executive |
| Print margin left (A4) | 5 mm |
| Duplex supported media size | A4, letter, legal, executive |
| Standard input trays | 2 |
| Standard output capacity for envelopes | 10 sheets |
| Power consumption (active) | 625 W |
| Print speed (black, best quality, A4) | 28 ppm |
| Media type and capacity (tray 2) | 250 |
| Standard media sizes | A4, A5, B5 (JIS), letter, legal |
| I/O ports | 1 x IEEE 1284-B parallel\n1 x USB 2.0\n1 x EIO |
| Networking features | Ethernet, Fast Ethernet, Gigabit Ethernet |
| Standard input capacity for transparencies | 75 |
| Mac compatibility | ✓ |
| Wireless technology | IEEE 802.11b |
| Power requirements | 100 - 127V / 220 - 240V, 50/60 Hz (+/- 2 Hz) |
| Paper handling | HP LaserJet 2420 series printers: Built-in automatic duplex unit (HP LaserJet 2420d/dn only), 350 sheets standard input capacity (1x 100-sheet/ 10 envelope multipurpose tray, 1x 250-sheet tray), paper input level indicators, straight-through paper path, s |
| Duplex print options | Manual (driver support provided) |
| Printer management | HP Web Jetadmin, HP LaserJet Utility, HP Embedded Web Server, E-Toolbox |
| Minimum system requirements | Microsoft Windows 98: Pentium 90, 16 MB RAM, CD-ROM drive; Windows Me: Pentium 150, 32 MB RAM, CD-ROM drive; Windows NT 4.0: Pentium 90, 32 MB RAM, CD-ROM drive; Windows 2000: 133 MHz processor, 64 MB RAM, CD-ROM drive; Windows XP: 233 MHz processor, 6 |
| Memory upgrade | 0.32 GB |
| Additional paper trays | Optional 500-sheet paper tray |
| Electromagnetic compatibility | CISPR 22: 1997/EN 55022: 1998 Class B, EN 61000-3-2: 2000, EN 61000-3-3: 1995+A1, EN 55024: 1998, FCC Title 47 CFR, Part 15 Class B (US), ICES-003, Issue 4 (Canada), GB9254-1998, EMC Directive 89/336/EEC with CE Marking (Europe); other EMC approvals as re |
| Standard output capacity for transparencies | 75 sheets |
| Driver updates | Most recent printer drivers and software for all supported operating systems available at http://www.hp.com/support/lj2400; OS/2 drivers are available from IBM and are packaged with OS/2 |
| Memory technology | Memory Enhancement technology (MEt), Double Data Rate memory technology |
| Control panel | Graphical display with up to 2 lines of text; Help button (?) to provide information about the message on the display; Back button to back up in menus or exit menus; Pause/Resume button to pause and resume printing; Up Arrow button to navigate to previous |
| Paper handling optional/input | 500-sheet input tray |
| Paper handling standard/input | 100-sheet multipurpose tray, 250-sheet input tray |
| Paper handling standard/output | 250-sheet top output bin (100-sheet rear output bin) |
| Safety | IEC 60950 (International), EN 60950 (EU), IEC 60825-1+A1+A2, UL/cUL Listed (US/Canada), GS License (Europe), EN 60825-1+A11+A2 Class 1, 21 CFR Ch. 1/SubCh. J (Class 1 Laser/LED Device) GB4943-2001, Low Voltage Directive 73/23/EEC with CE Marking (Europe); |
| Upgrade type | Printer firmware and networking firmware can be remotely upgraded |
| Service & support | HP Web sites, HP Customer Support Center, HP Care Packs |
| Technical features | Add fonts, forms, and third-party solutions via CompactFlash support |
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