HP LaserJet Enterprise M4555fskm MFP
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HP LaserJet Enterprise M4555fskm MFP

   Part: CE504A


  • Achieve versatile, powerful MFP performance for a more productive printing environment. Print and copy at high speeds, use image preview to process jobs from the HP Easy Select pivoting color control panel and get robust paper handling up to 2100 sheets.[2] Expand the functionality of imaging and printing devices with market-leading management and extensibility. This ENERGY STAR® qualified MFP can help save on energy and paper, and advanced security features can help protect sensitive data.
  • Increase productivity—this MFP features fast print and copy speeds, an HP Easy Select control panel and outstanding paper-handling features. Use market-leading management tools to integrate the MFP into existing printing environments.
  • M4555h MFP plus fax capability, 3-bin, 900-sheet stapling mailbox, 3 x 500-sheet paper feeder with stand.

Ideal for

  • Printing, scanning, copying and faxing with intuitive controls, market-leading management solutions and resource-conserving features.


Productive, dependable performance.

  • Stay productive with high performance speeds—print and copy at up to 55 ppm.[3]
  • Boost productivity—get up to 2100-sheet capacity and a stapling mailbox from this workhorse MFP.
  • Preview jobs using the pivoting color control panel and use image preview to make adjustments to scan jobs.
  • Save time with easy installation, and get exceptional value from optional high-capacity print cartridges.[4]

Market-leading manageability and extensibility.

  • Proactively manage printing environments and get easy setup and configuration with HP management tools.
  • Extend the capabilities of workgroup print environments with a rich portfolio of easy-to-integrate solutions.
  • Easily update, manage and expand the capabilities of networked printers with HP FutureSmart Firmware.

Advanced security for sensitive information.

  • Protect sensitive data stored on the HP MFP with the standard encrypted HP High-Performance Secure Hard Disk.
  • Process jobs securely through user authentication, IPsec and IPv6.
  • Create, print, scan and share sensitive business information securely via encrypted email and PDFs.
  • Add optional authentication security solutions through the control panel's hardware integration pocket.[11]

Outstanding energy- and paper-saving features.

  • Reduce energy use with Instant-on Technology and Instant-on Copy.[8]
  • Conserve resources and save paper—use automatic two-sided printing and PIN printing.
  • Original HP LaserJet print cartridges with energy-efficient toner enable an energy savings of over 18%.[7]
  • Get free, easy cartridge recycling,[9] plus reduce shipping materials with HP ClearView packaging.

[1]HP ePrint Enterprise requires BlackBerry Enterprise Server deployment, Internet- and email-capable BlackBerry smartphone OS 4.5 with separately purchased wireless Internet service, HP ePrint app and HP ePrint Enterprise server. Solution works with PCL 5/6, PCL 3, PCL 3 GUI printers (HP and non-HP).

[3]Measured using ISO/IEC 24734, excludes first set of test documents. For more information see http://www.hp.com/go/printerclaims. Exact speed varies depending on the system configuration, software application, driver, and document complexity.

[4]The HP LaserJet CE390X Black Print Cartridge not included; please purchase separately.

[6]Requires an Internet connection to the printer. Feature works with any Internet- and email-capable device. Print time may vary. May require a firmware upgrade. For details, http://www.hp.com/go/ePrintCenter.

[7]Energy savings based on comparing conventional toner and print system used in HP LaserJet M4345 MFP series with energy-efficient HP toner and print system used in HP LaserJet Enterprise M4555 MFP series. Testing per Energy Star Typical Electricity Consumption test. Actual savings may vary.

[8]Compared with products that use traditional fusing and cold cathode fluorescent lamp (CCFL) copying.

[9]Program availability varies. HP print cartridge return and recycling is currently available in more than 50 countries and territories around the world through the HP Planet Partners program. For more information, or to request return envelopes and bulk collection boxes, visit http://www.hp.com/recycle.

[10]The HP High-Performance Secure Hard Disk not included on the HP LaserJet Enterprise M4555 MFP; only available through upgrade.

[11]Solutions deployed through the hardware integration pocket may require additional purchase.

[12]Based on HP internal tests comparing conventional HP toner to energy-efficient HP toner. Actual savings may vary.

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Printer specifications

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Product Differentiator

  • M4555h MFP plus fax capability, 3-bin, 900-sheet stapling mailbox, 3 x 500-sheet paper feeder with stand.


  • Print, copy, scan to USB, digital send, fax, and advanced paper handling (stapling mailbox)

Print speed, black (normal)

  • Up to 55 ppm

Print speed

  • Measured using ISO/IEC 24734, excludes first set of test documents. For more information see http://www.hp.com/go/printerclaims. Exact speed varies depending on the system configuration, software application, driver, and document complexity.

Printer page yield

  • Declared yield value for black cartridge in accordance with ISO/IEC 19752. Actual yields vary considerably based on images printed and other factors. For more information, visit http://www.hp.com/go/learnaboutsupplies

First page out (ready) black

  • As fast as 9.5 sec

Resolution (black)

  • Up to 1200 x 1200 dpi

Resolution technology

  • HP FastRes 1200 (1200 dpi quality), 600 x 600 dpi; HP ProRes 1200 (1200 x 1200 dpi)

Monthly duty cycle

  • Up to 250,000 pages

  • Duty cycle is defined as the maximum number of pages per month of imaged output. This value provides a comparison of product robustness in relation to other HP LaserJet or HP Color LaserJet devices, and enables appropriate deployment of printers and MFPs to satisfy the demands of connected individuals or groups.

Recommended monthly page volume

  • 5000 to 20,000

  • HP recommends that the number of printed pages per month be within the stated range for optimum device performance, based on factors including supplies replacement intervals and device life over an extended warranty period.

Print Technology

  • Laser


  • 8.07" (20.5 cm) touchscreen Color Graphic Display (CGD)

Processor speed

  • 800 MHz

Number of print cartridges

  • 1 black

Replacement cartridges

  • HP 90A Black LaserJet Toner Cartridge with Smart Printing (~10,000 pages) CE390A; HP 90X Black LaserJet Toner Cartridge with Smart Printing (~24,000 pages) CE390X

Print languages

  • HP PCL 6, HP PCL 5 (HP PCL 5 driver available from the Web only), HP Postscript level 3 emulation, native PDF printing (v 1.4)

Automatic paper sensor

  • No

Paper trays, standard

  • 5

Paper trays, maximum

  • 5


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Mobile printing capability

  • HP ePrint, Mopria-certified

  • May require a firmware upgrade to be HP ePrint compatible, download at http://www.hp.com/go/support

HP ePrint capability

  • Yes (firmware upgrade may be required to enable)

Connectivity, standard

  • 1 Hi-Speed USB 2.0 Host port; 1 Hi-Speed USB 2.0 Device port; 1 Gigabit Ethernet 10/100/1000T network port; 1 open EIO slot; 1 Foreign Interface port; 1 Hardware Integration Pocket; 3 Internal USB Host ports

Connectivity, optional

  • HP Jetdirect 635n IPv6/IPsec Print Server J7961G; HP Jetdirect 690n IPv6/IPsec 802.11g Wireless Print Server J8007G; HP Jetdirect ew2500 802.11b/g Wireless Print Server J8021A. For more information on HP networking solutions visit http://www.hp.com/go/jetdirect

Network ready

  • Standard (built-in Gigabit Ethernet)


  • 1 Hi-Speed USB 2.0 Host; 1 Hi-Speed USB 2.0 Device; 1 Gigabit Ethernet 10/100/1000T network; 1 open EIO; 1 Foreign Interface; 1 Hardware Integration Pocket; 3 Internal USB Host


  • Management security: SNMPv3, SSL/TLS, WPA2-Enterprise, 802.1X authentication (EAP- PEAP, EAP-TLS), IPP over TLS, IPsec/Firewall with Certificate, Pre-Shared Key Authentication, and Kerberos Authentication; Support for WJA-10 IPsec Configuration using IPsec Plug-in; Compatible with HP Imaging & Printing Security Center

Minimum system requirements

  • Windows 8, Windows 7, Windows Vista, Windows XP SP2 or higher, Windows Server 2003, Windows Server 2008; operating system compatible hardware system requirements, see microsoft.com system requirements; 200 MB available hard disk space

  • Mac OS X v 10.5 or higher; operating system compatible hardware system requirements, see: http://www.apple.com; 150 MB available hard disk space

Compatible operating systems

  • Windows 8, Windows 7, Windows Vista, Windows XP (SP2 or higher), Windows Server 2008 and 2008 R2 Edition (64-bit only), Windows Server 2003; Mac OS X v 10.5 or higher; For latest support: Citrix and Windows Terminal Services (see hp.com/go/upd); Novell (see novell.com/iprint for latest support); Linux (see hplip.net); UNIX (see hp.com/go/unix, hp.com/go/unixmodelscripts, and hp.com/go/jetdirectunix_software); SAP device types (see hp.com/go/sap/drivers and hp.com/go/sap/print)

Memory specs

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Memory card compatibility

  • None

Memory, standard

  • 1280 MB

Memory, maximum

  • 1280 MB

Printer management

  • HP Web Jetadmin; Status Notification Pop-up (SNP) for domains less than 100 users

Supported network protocols

  • IPv4/IPv6: Apple Bonjour Compatible (Mac OS v 10.2.4 or higher), SNMPv1/v2c/v3, HTTP, HTTPS, FTP, TFTP, Port 9100, LPD, WS Discovery, IPP, Secure-IPP, IPsec/Firewall; IPv6: DHCPv6, MLDv1, ICMPv6; IPv4: Auto-IP, SLP, Telnet, IGMPv2, BOOTP/DHCP, WINS, IP Direct Mode, WS Print; Other: NetWare NDS, Bindery, NDPS, iPrint

Hard disk

  • Standard, embedded HP High-Performance Secure Hard Disk (AES-128 encryption, Secure Erase)

Paper handling

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Paper handling input, standard

  • 100-sheet multipurpose tray 1, 500-sheet tray 2, 3 x 500-sheet feeder with stand, 50-sheet automatic document feeder

Paper handling output, standard

  • 900-sheet, 3-bin stapling mailbox

Duplex printing

  • Automatic (standard)

Envelope input capacity

  • Up to 10 envelopes

Finished output handling

  • Sheetfed; Collation

Media sizes supported

  • Tray 1: Letter, legal, 8.5 x 13 in, statement, executive, envelopes [No. 9, No. 10, Monarch (7 3/4)], 3 x 5 in, 4 x 6 in; Tray 2, 3, 4, 5: letter, legal, 8.5 x 13 in, executive

Media sizes supported

  • Tray 1: A4, A5, A6, B5 (JIS), B6 (JIS), envelopes (C5, B5, C6, DL ISO), 16K, Postcard, Dpostcard; Tray 2-5: A4, A5, B5 (JIS), 16K

Media sizes, custom

  • Tray 1: 3 x 5 to 8.5 x 14 in; Tray 2-5: 5.8 x 8.3 to 8.5 x 14 in

Media types

  • Paper (plain, light, bond, recycled, cardstock), transparency, labels, letterhead, envelope, preprinted, prepuched, colored, rough

Supported media weight

  • Tray 1: 16 to 53 lb bond (plain), 16 to 24 lb (envelopes); Tray 2-5: 16 to 32 lb bond (plain)

Media weights by paper path

  • Tray 1: 60 to 200 g/m²; Tray 2-5: 60 to 120 g/m²

Scanner specifications

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Scanner type

  • Flatbed, ADF

Scan file format


Scan resolution, hardware

  • Up to 600 x 600 dpi

Scan resolution, optical

  • Up to 600 dpi

Scan size (flatbed), maximum

  • 8.5 x 14 in

Scan size (ADF), maximum

  • 8.5 x 14 in

Scan speed black (normal)

  • Up to 57 ppm

Duplex ADF scanning

  • Yes

ADF Capacity

  • Standard, 50 sheets

Digital sending features

  • Scan to E-mail; Save-to-Network Folder; Save-to-USB drive; Send to FTP; Send to LAN Fax; Send to Internet Fax

Digital send file Formats

  • Digital Send: PDF, JPEG, TIFF, MTIFF, XPS, PDF/A; Scan to walk-up USB: PDF, JPEG, TIFF, MTIFF, XPS, PDF/A; Print from walk-up USB: PDF, PS, Print Ready files (.prn, .pcl, .cht)

Copier specifications

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Copy speed black (normal)

  • Up to 55 cpm

Copy speed color (normal)

  • Up to 55 cpm

Copy resolution (black text)

  • Up to 600 x 600 dpi (flatbed), up to 600 x 300 dpi (ADF)

Copy resolution (colour text and graphics)

  • Up to 600 x 600 dpi (flatbed), up to 600 x 300 dpi (ADF)

Copy reduce / enlarge settings

  • 25 to 400%

Copies, maximum

  • Up to 9999 copies


  • Yes

Fax transmission speed

  • 3 sec per page

  • Based on standard ITU-T test image #1 at standard resolution and MMR encoding, the HP fax device can transmit at 3 sec/page for V.34 and 6 sec/page for V.17

Fax resolution

  • Up to 300 x 300 dpi (400 x 400 dpi for received faxes only)

Speed dials, maximum number

  • Up to 100 numbers (each with 100 destinations)

Broadcast locations

  • 100

Power & operating requirements

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  • 110-volt input voltage: 110 to 127 VAC (+/- 10%), 60 Hz (+/- 2 Hz), 12 A; (Option #AZZ) 220-volt input voltage: 220 to 240 VAC (+/- 10%), 50 Hz (+/- 2 Hz), 6 A (Not dual voltage, power supply varies by part number with # Option code identifier)

Power consumption

  • 960 watts (Printing), 1024 watts (Copying), 54 watts (Ready), 21.6 watts (Sleep), 0.15 watts (Off)

  • Power requirements are based on the country/region where the printer is sold. Do not convert operating voltages. This will damage the printer and void the product warranty. Values subject to change. Power numbers are the highest average values measured using all standard voltages.

Energy efficiency

  • ENERGY STAR® qualified; EPEAT® Silver

Operating temperature range

  • 50 to 86º F

Operating humidity range

  • 30 to 70% RH

Dimensions & weight

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Dimensions (W x D x H)

  • 39.96 x 27.95 x 43.90 in

Maximum dimensions (W x D x H)

  • 50.2 x 37.1 x 57.1 in (with trays fully extended)


  • 192.9 lb

Package weight

  • 240.3 lb

What's included

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What's in the box

  • HP LaserJet Enterprise M4555fskm MFP (100-sheet multipurpose tray, 500-sheet input tray, HP Jetdirect Gigabit Ethernet embedded print server, HP High-Performance Secure Hard Disk); HP LaserJet Toner cartridge standard capacity; 3 x 500 paper feeder with stand; 900-sheet, 3-bin stapling mailbox; HP Analog fax accessory 500 (built-in); CD with software and documentation; Documentation (Hardware Install Guide, Support flyer, Wall poster); Power cord; Phone cord

Cable included

  • No, please purchase USB cable separately


  • One year next day on-site warranty, one year free phone support, chat, and e-mail

Software included

  • Windows print driver (HP PCL 6 discrete), SNP alerts, Mac print driver, Installation software on CD-ROM for Windows and Mac

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