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| Print speed (black, normal quality, A4) | Up to 50 ppm |
| Print quality (black, best quality) | Up to 600 x 600 dpi |
| Recommended monthly page volume | 15000 to 50000 |
| Duty cycle (monthly, A4) | Up to 300000 |
| Duplex print options | Automatic (optional) |
| Maximum number of paper trays | 4 |
| Maximum input capacity (sheets) | Up to 3100 |
| Maximum output capacity (sheets) | Up to 3600 (with optional 3000-sheet stacker or stapler/stacker), up to 2,500 (with optional 8-bin mailbox), up to 1600 (with optional multifunction finisher) |
| Network ready | Optional |
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| Print technology | Monochrome Laser |
| Print speed (black, normal quality, A4) | Up to 50 ppm |
| First page out (black, A4) | < 8 sec |
| Processor speed | 533 MHz |
| Processor type | MIPS 20KC |
| Print quality (black, best quality) | Up to 600 x 600 dpi |
| Duty cycle (monthly, A4) | Up to 300000 |
| Recommended monthly page volume | 15000 to 50000 |
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| Standard paper trays | 2 |
| Maximum number of paper trays | 4 |
| Media types supported | Paper (plain, preprinted, letterhead, prepunched, bond, color, recycled, rough), transparencies, labels, cardstock |
| Standard input capacity (sheets) | Up to 1000 |
| Maximum input capacity (sheets) | Up to 3100 |
| Standard output capacity (sheets) | Up to 600 |
| Maximum output capacity (sheets) | Up to 3600 (with optional 3000-sheet stacker or stapler/stacker), up to 2,500 (with optional 8-bin mailbox), up to 1600 (with optional multifunction finisher) |
| Duplex print options | Automatic (optional) |
| Paper handling standard/input | Two 500-sheet input trays |
| Paper handling standard/output | 600-sheet output bin (500 sheets face down, 100 sheets face up) |
| Paper handling optional/input | 100-sheet multipurpose tray, 2000-sheet input tray, automatic duplex unit |
| Paper handling optional/output | Optional 3000-sheet stacker (requires 2000-sheet input tray) or optional 3000-sheet stapler/stacker (requires 2000-sheet input tray) or optional multifunction finisher (requires 2000-sheet input tray); optional 8-bin mailbox (requires 2000-sheet input tray) |
| Standard media sizes | ISO A3, ISO A4, ISO A5, JIS B4, JIS B5, JIS B6, JIS executive |
| Custom media sizes | Multipurpose Tray 1: 98 x 191 to 312 x 470 mm; automatic two-sided printing unit, Tray 2, 3 and 8-bin mailbox: 148 x 210 to 297 x 432 mm. Optional Tray 4: 182 x 210 to 297 x 432 mm |
| Media weights by paper path | Multipurpose Tray 1: 64 to 216 g/m²; Trays 2, 3, 4: 64 to 200 g/m² |
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| Standard memory | 64 MB |
| Maximum memory | 512 MB |
| Memory slots | Two 100-pin DDR DIMM slots |
| Hard disk capacity | Optional, 20 GB HP High-performance EIO hard disk |
| Standard printer languages | HP PCL 5e, HP PCL 6, HP Postscript Level 3 emulation, PDF v 1.3 emulation, XHTML-Print v 0.95, HP PJL (Printer Job Language), PML (Printer Management Language) |
| Typefaces | 80 scalable TrueType fonts |
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| Standard connectivity | IEEE 1284-B compliant parallel port, 2 open EIO slots |
| Optional connectivity | HP Direct Internal Print Servers and HP Direct External Print Servers |
| Compatible operating systems | Microsoft® Windows® 2000; XP Home; XP Professional; Certified for Windows Vista™; Mac OS 9; Mac OS X |
| Compatible network operating systems | Via HP Jetdirect print servers: Microsoft® Windows® 2000, XP Home, XP Professional, XP Professional 64-Bit, Server 2003; Certified for Windows Vista™; Novell NetWare 3.2, 4.2, 5.x, 6.x; Apple Mac OS 8.6 or higher; Red Hat Linux 6.x or higher; SuSE Linux 6.x or higher; HP-UX 10.20, 11.x; Solaris 2.5x, 2.6, 7, 8, 9, 10 (SPARC systems only); IBM AIX 3.2.5 or higher; MPE-iX |
| Minimum system requirements | Microsoft® Windows® 2000: 300 MHz Processor with 64 MB RAM; Windows XP Home, XP Professional: 233 MHz processor with 64 MB RAM; 180 MB free hard disk space for Windows, 1 GHz processor, 512 MB RAM [Windows Vista™ Ready, check user guide for minimum hard drive space], 160 MB for Mac; Mac OS 8.6, 9.0, 9.04, 9.1, 9.2, 10.1; CD-ROM drive or Internet connection; dedicated IEEE 1284 parallel port |
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| Control panel | 3 light-emitting diode (LED) indicator lights, 4 navigation buttons, dedicated Help button, dedicated Menu button, 10-key numeric pad, 4-line display, dedicated Stop button |
| Power consumption | 1000 watts (printing), 197 watts (standby), 18 watts (powersave), 0.7 watts (off) |
| Power requirements | Input voltage: 110 to 127 VAC (+/- 10%), 50/60 Hz (+/- 2 Hz); 220 to 240 VAC (+/- 10%), 50/60 Hz (+/- 2 Hz) |
| Dimensions (W x D x H) | 638 x 600 x 633 mm |
| Weight | 63.5 kg |
| Operating temperature range | 10 to 32.5° C |
| Recommended operating temperature range | 10 to 32.5° C |
| Energy Star certified | No |
| Software included | Print drivers and installation software on CD-ROM (HP PCL 5e, HP PCL 6, HP Postscript Level 3 emulation) |
| What's in the box | HP LaserJet 9050 printer, power cord, parallel cable, print cartridge, printer documentation, printer software CD-ROM, control panel overlay, face-up output bin, 2 x 500-sheet input trays |