Print technology Colour No Maximum resolution 1200 x 1200 DPI Maximum duty cycle 300000 pages per month Duplex printing No Standard printer languages PCL 5e,PCL 6 Print technology Laser Recommended duty cycle 50000 Printing Print speed (black, normal quality, A4/US Letter) 50 ppm Warm-up time 50 s Warm-up time (from sleep mode) 37 s Time to first page (black, normal) 6.5 s Input capacity Standard input capacity 1100 sheets Maximum input capacity 4100 sheets Output capacity Standard output capacity 500 sheets Paper handling Standard tray media types Bond paper, Envelopes, Labels, Plain paper, Recycled paper, Transparencies Maximum print size 297 x 432 mm Networking Network ready No Memory Internal memory 256 MB Maximum internal memory 1024 MB Power Power consumption (standby) 11 W Power consumption (PowerSave) 105 W Sound emission Printing noise level 54 dB Standby acoustic emission 22 dB Certificates Energy Star certified Yes Certification CE, UL 60950-1/CSA 60950-1-03, FCC Part 15 Class A, 73/23/EEC, RoHS 2002/95/EC Performance Processor frequency 500 MHz Operational conditions Operating temperature (T-T) 5 - 32 °C Storage temperature (T-T) 5 - 32 °C Operating relative humidity (H-H) 15 - 85% Technical details Country of origin China Weight & dimensions Width 833.1 mm Depth 833.1 mm Height 749.3 mm Weight 53 kg Package width 833.1 mm Package height 749.3 mm Dimensions (WxDxH) 640 x 526 x 497 mm Package weight 65.8 kg Other features Hardware scan resolution 1200 x 1200 DPI Mac compatibility Yes Power requirements 240 V, 50/60 Hz Compatible operating systems HP-UX 10.2, Linux, Mac OS X 10.2, Novell NetWare 4.x, Red Hat 9, SCO, SUSE 9, Solaris 2.5.1/2.6+, Windows 2000/Vista, Xerox Walk-Up PD Functions Print Depth (imperial) 52.6 cm (20.7") Height (imperial) 49.8 cm (19.6") Minimum hard disk space 40 GB Package length 83.3 cm Storage temperature (T-T) 41 - 90 °F Width (imperial) 64 cm (25.2") Non-operating relative humidity (non-condensing) 15 - 85% I/O ports Parallel (IEEE 1284), USB 2.0 Acoustic pressure emissions 54 dB Power consumption (active) 900 W Hard disk drive type Optional Warranty note One-year on-site Acoustic power emissions (active, print, copy or scan) 7.19 Acoustic power emissions (standby) 5 Device manager DHCP, PrintingScout Alert Notification, Xerox CentreWare Internet Services Embedded Web Server, Xerox CentreWare Printer Management for Microsoft, Novell, and UNIX First-page-out time, printing (black & white) 6.5 Optional print features Extended font/form storage, Personal Print Optional productivity features Hard disk collation, Personal Print, Print With, Proof Print, Saved Print Optional security features Image overwrite security, Secure Print PCL fonts 83 PostScript fonts 139 Print memory (standard) 256 Print resolution black (productivity) 1200 x 1200 Printer features Auto registration, Banner sheets, Booklet printing, Delay print, Image rotation, Mirror image, N-up, Negative image, Overlays, Poster printing Supported printer drivers HP-UX 10.2 or higher, Linux, Mac OS X version 10.2 or higher, Novell NetWare 4.x or higher, Red Hat 9, SCO, Sun Microsystems Solaris 2.5.1/2.6+, SUSE 9, Windows 2000 or higher, Windows Vista, Xerox Walk-Up Printer Driver

Competitive Edge
- Lower purchase price than other competitive products
- True 1200 x 1200 dpi resolution at full engine speed is not available on competitive products
- More standard memory and more maximum memory than most competitive products
- True Adobe® PostScript® 3™ is not available on competitive products
- 10/100/1000Base-TX Ethernet rather than 10/100Base-TX Ethernet on competitive products
- Superior printing alerts such as PrintingScout™ provide more detailed information and are easier to use than alerts on competitive products
- Configuration SIM card, which increases uptime, is not available on competitive products
- Faster first-page-out time than competitive HP products
- Higher maximum paper output capacity than competitive products

Productivity Features
- Fast speeds, up to 50 ppm for both single- and two-sided printing, and as fast as 6.5 seconds to first page, quickly handle your demanding workload
- Sharp image quality, fine lines and text, fast warm up time, and durable for archiving documents with Xerox EA Toner
- 1200 x 1200 dpi resolution delivers exceptional print quality without slowing down the Phaser 5550 printer's powerful performance
- High paper capacity of up to 4,100 sheets allows the Phaser 5550 to print more without interruption

Reliability and Ease-of-use Features
- Robust duty cycle of 300,000 pages per month ensures you can regularly handle heavy print volumes.
- Private data stays secure with built-in support for 802.1x and IPv6; the latest network security protocols.
- Xerox Installer automatically installs and configures your printer for easy network connection, getting you up and running in minutes.
- PhaserSMART® online troubleshooting delivers fast solutions so you get back to work quickly.

Value Features
- Big overall value with low cost-per-page, affordable purchase price, and a great combination of productivity and reliability
- Consistent, trouble-free performance from a printer that's rated to deliver an impressive 500,000 mean prints between failure.
- Separate toner and drum cartridges maximize the yield of each, reducing cost per page.
- Collect, organize and analyze usage data for tighter cost control with Usage Analysis Tool and Job Accounting features.