| Other features34 differ |
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| Minimum system requirementsDiffers | Microsoft Windows 2000, XP Home or XP Professional, Mac OS X v 10.2.8, v 10.3, v 10.4 or higher: 1 GHz processor, 512 MB RAM [Windows Vista Ready, check User’s Guide for minimum hard drive space]; Macintosh computer with PowerPC G3, G4, G5, or Intel co | 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 |
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| Printer managementDiffers | HP Printer Status and Alerts, HP Embedded Web Server (HP LaserJet 1022n/nw Printer only) | HP Web Jetadmin, HP LaserJet Utility, HP Embedded Web Server, E-Toolbox |
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| Power requirementsDiffers | 110 - 127 / 220 - 240 VAC (+/- 10%), 50/60 Hz (+/- 2 Hz) | 100 - 127V / 220 - 240V, 50/60 Hz (+/- 2 Hz) |
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| Electromagnetic compatibilityDiffers | CISPR 22: 1997/EN 55022: 1998 Class B, EN 61000-3-2: 2000, EN 61000-3-3: 1995+A1, EN 55024: 1998+A1, FCC Title 47 CFR, Part 15 Class B (USA), ICES-003, Issue 4, (Canada), GB9254-1998, EMC Directive 89/336/EEC with CE Marking (Europe), other EMC approvals | 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 |
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| Compatible operating systemsDiffers | Microsoft Windows 98 SE, Me, 2000, XP 32-bit, Mac OS X v 10.2 + | 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 + |
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| Networking featuresDiffers | Ethernet, Fast Ethernet | Ethernet, Fast Ethernet, Gigabit Ethernet |
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| Product dimensions when open (LxWxD)Known for one | 37.1 cm (14.6") | —Unknown — not stated by the source |
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| SafetyDiffers | IEC 60950-1 (International), EN 60950-1 (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 | 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); |
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| Size (imperial)Known for one | 37.1 cm (14.6") | —Unknown — not stated by the source |
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| Package dimensions (WxDxH)Differs | 498 x 331 x 362 mm | 592 x 495 x 347 mm |
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| Standard input capacity for transparenciesDiffers | 100 | 75 |
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| Recommended operating temperature range (T-T)Differs | 10 - 32.5 °C | 15 - 32.5 °C |
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| I/O portsDiffers | 1 x USB 2.0 1 x RJ-45 | 1 x IEEE 1284-B parallel 1 x USB 2.0 1 x EIO |
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| Standard media sizesDiffers | A4, A5, Letter, Legal, Executive, B5 (JIS), B5 (ISO), C5, DL, Monarch, Com-10 | A4, A5, B5 (JIS), letter, legal |
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| Memory upgradeDiffers | No | 0.32 GB |
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| Print margin bottom (A4)Differs | 4 mm | 5 mm |
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| Print margin left (A4)Differs | 4 mm | 5 mm |
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| Print margin right (A4)Differs | 4 mm | 5 mm |
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| Print margin top (A4)Differs | 4 mm | 5 mm |
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| TypefacesDiffers | 26 scalable | 80 |
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| Media weights by paper pathDiffers | 60 - 105 g/m², 60 - 163 g/m² | 60 - 200 g/m²; 60 - 120 g/m² |
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| Standard output capacity for envelopesDiffers | 15 sheets | 10 sheets |
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| Envelope feederKnown for one | No | —Unknown — not stated by the source |
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| Acoustic power emissionsDiffers | 6.2 B(A) | 6.7 B(A) |
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| Acoustic pressure emissionsKnown for one | 4.9 dB | —Unknown — not stated by the source |
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| Duplex print optionsDiffers | Manual (driver support provided) | Automatic (standard) |
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| Print speed (black, best quality, A4)Differs | 18 ppm | 28 ppm |
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| Acoustic power emissions (ready)Known for one | Inaudible | —Unknown — not stated by the source |
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| Acoustic pressure emissions bystander (active, print, copy or scan)Known for one | 48 dB(A) | —Unknown — not stated by the source |
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| Control panelDiffers | 4 lights (Go, Ready, Attention, Wireless), 2 buttons (Go, Job Cancel) | 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 |
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| Driver updatesDiffers | Latest drivers available from the HP support website at http://www.hp.com/support | 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 |
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| Duplex bindingKnown for one | No | —Unknown — not stated by the source |
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| First page out (black&white, A4, ready)Known for one | 8 s | —Unknown — not stated by the source |
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| First page out (black&white, letter, ready)Known for one | 8 s | —Unknown — not stated by the source |
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| Maximum input capacity (tray 1)Known for one | 250 sheets | —Unknown — not stated by the source |
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| Maximum paper traysDiffers | 2 | 3 |
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| Media handlingKnown for one | Sheetfed | —Unknown — not stated by the source |
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| Media size (tray 2)Differs | A4, A5, A6, B5, C5, DL, B5, 76 x 127 mm - 216 x 356 mm | A4, A5, B5 (JIS), letter, legal, executive |
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| Media sizes supported (imperial)Known for one | Letter, legal, executive, postcards, envelopes (No. 10, Monarch) | —Unknown — not stated by the source |
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| Media type and capacity (tray 2)Differs | sheets: 10 | 250 |
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| Media weight (tray 2)Differs | 60 - 163 g/m² | 60 - 120 g/m² |
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| Operating altitude (imperial)Known for one | 10000 ft | —Unknown — not stated by the source |
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| Package dimensions (W x D x H)Known for one | 498.1 x 331.2 x 362.2 mm (19.6 x 13 x 14.3") | —Unknown — not stated by the source |
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| Package weight (imperial)Known for one | 7.71 kg (17 lbs) | —Unknown — not stated by the source |
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| Pallet dimensions (W x D x H) (imperial)Known for one | 1201.4 x 1000.8 x 2288.5 mm (47.3 x 39.4 x 90.1") | —Unknown — not stated by the source |
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| Pallet weight (imperial)Known for one | 346.6 kg (764.1 lbs) | —Unknown — not stated by the source |
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| Paper handling standard/inputDiffers | 250-sheet input tray, 10-sheet priority input tray | 100-sheet multipurpose tray (tray 1), 250-sheet input tray (tray 2), automatic duplex printing |
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| Paper handling standard/outputDiffers | 150-sheet output bin | 250-sheet top output bin (100-sheet rear output bin) |
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| Power consumption (active)Differs | 300 W | 625 W |
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| Print speed (black, best quality, letter)Known for one | Up to 19 ppm | —Unknown — not stated by the source |
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| Standard input capacity for envelopesKnown for one | 15 sheets | —Unknown — not stated by the source |
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| Standard output capacity for transparenciesDiffers | 100 sheets | 75 sheets |
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| Technical featuresDiffers | Fits in any workspace: a desk, shelf, or other small, convenient spots. Professional quality printing with true 1200 dpi. 802.11b/g wireless capability, 10/100 networking, and Hi-Speed USB 8 MB RAM for quick processing of all types of print jobs Get a fas | Add fonts, forms, and third-party solutions via CompactFlash support |
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| UNSPSC-codeKnown for one | 43212105 | —Unknown — not stated by the source |
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| Weight (imperial)Known for one | 12.1 lb | —Unknown — not stated by the source |
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| Wireless technologyKnown for one | —Unknown — not stated by the source | IEEE 802.11b |
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| Additional paper traysKnown for one | —Unknown — not stated by the source | Optional 500-sheet paper tray |
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| Print quality (black, draft quality)Known for one | —Unknown — not stated by the source | 600 DPI |
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| Paper handlingKnown for one | —Unknown — not stated by the source | 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 |
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| Duplex supported media sizeKnown for one | —Unknown — not stated by the source | A4, letter, legal, executive |
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| Media weight (tray 3)Known for one | —Unknown — not stated by the source | 60 - 120 g/m² |
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| Memory technologyKnown for one | —Unknown — not stated by the source | Memory Enhancement technology (MEt), Double Data Rate memory technology |
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| Paper handling optional/inputKnown for one | —Unknown — not stated by the source | 500-sheet input tray |
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| Service & supportKnown for one | —Unknown — not stated by the source | HP Web sites, HP Customer Support Center, HP Care Packs |
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| Upgrade typeKnown for one | —Unknown — not stated by the source | Printer firmware and networking firmware can be remotely upgraded |
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