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HP Color LaserJet Enterprise M855 - Product specifications

Technical specifications
Product dimensions
Power consumption, electrical specifications, and acoustic emissions
Operating-environment specifications

Technical specifications

Model name
Product number
M855dn
A2W77A
M855xh
A2W78A
M855x+
A2W79A
M855x+
D7P73A
Paper handling
Tray 1 (100-sheet capacity)
Tray 2 (500-sheet capacity)
3x500-sheet paper feeder
note:
Optional for the M855dn model. If this input accessory is installed, then any of the optional finishing accessories can also be installed with the M855dn model.
3,500-sheet high-capacity input trays
note:
Optional for the M855dn model. If this input accessory is installed, then any of the optional finishing accessories can also be installed with the M855dn model.
Automatic duplex printing
Optional 1x500-sheet feeder with cabinet. Available in Europe, the Middle East, Africa, and Asia-Pacific Countries/Regions
note:
If this input accessory is installed, then any of the optional finishing accessories can also be installed with the M855dn model.
Optional stapler/stacker finishing accessory
Optional stapler/stacker with 2/4 hole punch finishing accessory
Available in Europe, the Middle East, Africa, and Asia-Pacific Countries/Regions
Optional booklet maker finishing accessory
Available in Europe, the Middle East, Africa, and Asia-Pacific Countries/Regions
Optional booklet maker with 2/3 hole punch finishing accessory
Available in North America and Latin America
Optional booklet maker with 2/4 hole punch finishing accessory
Available in Europe, the Middle East, Africa, and Asia-Pacific Countries/Regions
Connectivity
10/100/1000 Ethernet LAN connection with IPv4 and IPv6
Easy-access USB port for printing without a computer and upgrading the firmware
HP near-field communications (NFC) and Wireless Direct accessory for printing from mobile devices
Optional HP NFC and Wireless Direct accessory for printing from mobile devices
Storage
HP High-Performance Secure Hard Disk
Control-panel display and input
Touchscreen control panel
Print
Prints 46 pages per minute (ppm) on A4 and 45 ppm on letter-size paper
Easy-access USB printing (no computer required)
Mobile printing solutions
For more information about Mobile printing solutions see:
  • HP ePrint via email
  • HP ePrint software1
  • HP ePrint app
  • HP ePrint Enterprise
  • HP ePrint Home & Biz
  • HP Printer Control app
  • Google Cloud Print
  • AirPrint
Supported operating systems2,3
Windows XP SP3 or later, 32-bit and 64-bit
note:
The software installer does not support the 64-bit version, but the print driver supports it.
note:
Microsoft retired mainstream support for Windows XP in April 2009. HP will continue to provide best-effort support for the discontinued XP operating system.
Windows Vista, 32-bit and 64-bit
note:
Windows Vista Starter is not supported by the software installer or the print driver.
Windows 7 SP1 or later, 32-bit and 64-bit
Windows 8, 32-bit and 64-bit
Windows 2003 Server SP2 or later, 32-bit and 64-bit
note:
The software installer does not support the 64-bit version, but the print driver supports it.
note:
Microsoft retired mainstream support for Windows Server 2003 in July 2010. HP will continue to provide best-effort support for the discontinued Server 2003 operating system.
Windows Server 2008, 32-bit and 64-bit
Windows Server 2008 R2, 64-bit
Windows Server 2012, 64-bit
Mac OS X 10.6, 10.7 Lion, and 10.8 Mountain Lion
1The HP ePrint Software supports the following operating systems: Windows® XP SP3 or greater (32-bit) up to ePrint Software version 3; Windows Vista® (32-bit and 64-bit); Windows 7 SP 1 or later (32-bit and 64-bit); Windows 8 (32-bit and 64-bit); and Mac OS X versions 10.6, 10.7 Lion, and 10.8 Mountain Lion.
2The list of supported operating systems applies to the Windows PCL 6, UPD PCL 6, UPD PCL 5, UPD PS, and Mac print drivers and to the in-box software installation CD. For a current list of supported operating systems, go to www.hp.com/support/colorljM855 for HP's all-inclusive help for your product. If you are located outside the US, go to www.hp.com/support, select a country/region, and then click Drivers & Software. Enter a product name or number. In the Download Options area, click Drivers, Software & Firmware. Click the operating system version, and then click the Download button.
3The HP Software Installer CD installs the HP PCL 6 discrete driver for Windows operating systems along with other optional software. Mac installer software is not included on the CD. The CD provides steps to download the Mac installer software from www.hp.com. The steps to download the Mac installer software are as follows: Go to www.hp.com/support, select the country/region, and then click Drivers & Software. Enter a product name or number. In the Download Options area, click Drivers, Software & Firmware. Click the operating system version, and then click the Download button.

Product dimensions

Product dimensions with all doors closed and with toner cartridges and imaging drums
Product
Height
Depth
Width
Weight
M855dn
1003.3 mm (39.5 in)
736.6 mm (29 in)
723.9 mm (28.5 in)
85.2 kg (187.8 lb)
M855xh
1003.3 mm (39.5 in)
736.6 mm (29 in)
723.9 mm (28.5 in)
121.3 kg (267.4 lb)
M855x+
1003.3 mm (39.5 in)
736.6 mm (29 in)
723.9 mm (28.5 in)
124.2 kg (273.8 lb)
Figure : Product dimensions with all doors and trays closed
Space requirements with all doors and trays fully opened
Product
Height
Depth
Width
M855dn
1003.3 mm (39.5 in)
1498.6 mm (59 in)
1244.6 mm (49 in)
M855xh
1003.3 mm (39.5 in)
1498.6 mm (59 in)
1244.6 mm (49 in)
M855x+
1003.3 mm (39.5 in)
1498.6 mm (59 in)
1244.6 mm (49 in)
Figure : Space requirements with all doors and trays fully opened
Accessory physical dimensions with all doors closed
Product
Height
Depth
Width
Weight
3x500 sheet feeder
387 mm (15.3 in)
699 mm (27.5 in)
711 mm (28 in)
36.1 kg (79.6 lb)
3,500-sheet high-capacity input tray
387 mm (15.3 in)
699 mm (27.5 in)
711 mm (28 in)
39 kg (85.9 lb)
1x500 sheet feeder (available in Europe, the Middle East, and Africa)
387 mm (15.3 in)
699 mm (27.5 in)
711 mm (28 in)
25.1 kg (55.3 lb)
Stapler/stacker
1003.3 mm (39.5 in)
736.6 mm (29 in)
571.9 mm (22.5 in)
60 kg (132.3 lb)
Stapler/stacker with hole punch
1003.3 mm (39.5 in)
736.6 mm (29 in)
723.9 mm (28.5 in)
32 kg (136.7 lb)
Booklet maker
1003.3 mm (39.5 in)
736.6 mm (29 in)
571.9 mm (22.5 in)
60 kg (132.3 lb)
Booklet maker with hole punch
1003.3 mm (39.5 in)
736.6 mm (29 in)
723.9 mm (28.5 in)
32 kg (136.7 lb)
Figure : Finishing accessory physical dimensions with all doors and trays closed
Figure : Finishing accessory with hole punch physical dimensions with all doors and trays closed
Space requirement for the product and attached finishing accessory with all doors and trays fully opened
Product
Height
Depth
Width
Product and finishing accessory without hole punch
1231.9 mm (48.5 in)
1498.6 mm (59 in)
2006.6 mm (79 in)
Product and finishing accessory with hole punch
1231.9 mm (48.5 in)
1498.6 mm (59 in)
2159mm (85 in)
Figure : Space requirement for the product and attached finishing accessory with all doors and trays fully opened
Figure : Space requirement for the product and attached finishing accessory with hole punch with all doors and trays fully opened

Power consumption, electrical specifications, and acoustic emissions

Power consumption

Power consumption (average, in watts)1, 2, 3
Product Series4
Printing and Copying
Ready
Sleep
Auto On/ Auto Off
Off
HP Color LaserJet Enterprise M855dn
950 W
60 W
7.0 W
1 W
0.3 W
1Values subject to change.
2Power reported is highest value measured for all product models using standard voltages.
3Default time from Ready mode to Sleep = 15 minutes
4Speed is 45 ppm A4 size and 45 ppm Letter-size.

Electrical specifications

110-volt input voltage: 115 to 127 VAC (+/- 10%), 60 Hz (+/- 2 Hz), 10.5 A
220-volt input voltage: 220 to 240 VAC (+/- 10%), 50 Hz (+/- 2 Hz), 5.5 A
  caution:
Power requirements are based on the country/region where the product is sold. Do not convert operating voltages. This will damage the product and void the product warranty.

Acoustic emissions

HP Color LaserJet Enterprise M8551
Sound power level
Printing (45 ppm)
Ready
Declared per ISO 9296
LWAd = 7.1 Bels (A) [71 dB(A)]
LWAd = 4.0 Bels (A) [40 dB(A)]
Sound pressure level - Bystander position
Printing (45 ppm)
Ready
Declared per ISO 9296
LpAm = 55 dB(A)
LpAm = 24 dB(A)
1Acoustic values are subject to change. Configuration tested: HP Color LaserJet Enterprise M855dn, printing on A4-size paper at 45 ppm in simplex mode.

Operating-environment specifications

Operating-environment specifications
Environment
Recommended
Allowed
Temperature
15° to 30°C (59° to 86°F)
15° to 30°C (59° to 86°F)
Relative humidity
10% to 80% relative humidity (RH)
10% to 80% RH
Altitude
Not applicable
0 to 3048 m

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