Reproduction, adaptation, or translation
without prior written permission is prohibited,
except as allowed under the copyright laws.
The information contained herein is subject to
change without notice.
The only warranties for HP products and
services are set forth in the express warranty
statements accompanying such products and
services. Nothing herein should be construed
as constituting an additional warranty. HP shall
not be liable for technical or editorial errors or
omissions contained herein.
Edition 1, 10/2016
Trademark Credits
®
Adobe
, Adobe Photoshop®, Acrobat®, and
PostScript
®
are trademarks of Adobe Systems
Incorporated.
Apple and the Apple logo are trademarks of
Apple Inc., registered in the U.S. and other
countries.
OS X is a trademark of Apple Inc., registered in
the U.S. and other countries.
Microsoft®, Windows®, Windows® XP, and
Windows Vista® are U.S. registered trademarks
of Microsoft Corporation.
Power consumption, electrical specifications, and acoustic emissions ............................................ 9
Operating-environment range ............................................................................................................ 9
Printer hardware setup and software installation ............................................................................................. 10
2 Paper trays ................................................................................................................................................. 11
Load the input tray .............................................................................................................................................. 12
Load the input tray .............................................................................................................................................. 15
Tray adjustment for small paper sizes ............................................................................................. 16
Load and print envelopes .................................................................................................................................... 18
3 Supplies, accessories, and parts ................................................................................................................... 19
Order supplies, accessories, and parts ............................................................................................................... 20
Mobile printing ..................................................................................................................................................... 37
Make a copy ......................................................................................................................................................... 44
Copy on both sides (duplex) ................................................................................................................................ 45
Copy on both sides manually ............................................................................................................ 45
View or change network settings ..................................................................................................... 57
Rename the printer on a network ..................................................................................................... 57
Manually configure IPv4 TCP/IP parameters from the control panel .............................................. 58
Printer security features ..................................................................................................................................... 59
Print with EconoMode ....................................................................................................................... 61
Set the Sleep/Auto Off After Inactivity setting ................................................................................. 62
Set the Shut Down After Inactivity delay and configure the printer to use 1 watt or less of
power ................................................................................................................................................. 62
Set the Delay Shut Down setting ...................................................................................................... 63
Update the firmware ........................................................................................................................................... 65
Update the firmware using the Firmware Update Utility ................................................................. 65
Customer support ................................................................................................................................................ 68
Interpret control-panel light patterns (LED model only) ................................................................................... 69
Restore the factory-set defaults ........................................................................................................................ 71
A “Cartridge is low” or “Cartridge is very low” message displays on the printer control panel ........................ 72
Change the “Very Low” settings ....................................................................................................... 72
Order supplies ................................................................................................................................... 73
Solve paper feed or jam problems ...................................................................................................................... 74
Solve paper feed or jam problems .................................................................................................... 74
The product does not pick up paper ............................................................................... 74
The product picks up multiple sheets of paper .............................................................. 74
Frequent or recurring paper jams .................................................................................. 74
Prevent paper jams ......................................................................................................... 75
Clear paper jams .................................................................................................................................................. 77
The printer does not print after the wireless configuration completes .......................................... 97
The printer does not print, and the computer has a third-party firewall installed ......................... 97
The wireless connection does not work after moving the wireless router or printer ..................... 97
Cannot connect more computers to the wireless printer ................................................................ 97
The wireless printer loses communication when connected to a VPN ............................................ 98
The network does not appear in the wireless networks list ............................................................ 98
The wireless network is not functioning .......................................................................................... 98
Perform a wireless network diagnostic test .................................................................................... 98
Reduce interference on a wireless network ..................................................................................... 99
viENWW
Index ........................................................................................................................................................... 101
ENWWvii
viiiENWW
1Printer overview
●
Printer views
●
Printer specifications
●
Printer hardware setup and software installation
For more information:
The following information is correct at the time of publication. For current information, see
support/ljM25-M27mfp.
HP's all-inclusive help for the printer includes the following information:
●
Install and configure
●
Learn and use
●
Solve problems
●
Download software and firmware updates
●
Join support forums
●
Find warranty and regulatory information
www.hp.com/
ENWW1
Printer views
Printer front view
12
3
1Output bin
2Scanner
3Power on/off button
4Control panel (tilts up for easier viewing and type varies by model)
5Short-paper extender tool
6Input tray
Printer back view
1
5
46
2
3
4
1Slot for cable-type security lock
2Hi-Speed USB 2.0
2Chapter 1 Printer overviewENWW
3Ethernet port
4Power connection
LED control-panel view (M26a models)
2345
1
6
7
891011
1Control panel LED displayThis screen displays numerical information for copy jobs.
2Up
3Reduce/Enlarge copy lightIndicates the copy-size reduction or enlargement feature that is active.
4Darker/Lighter copy lightIndicates the copy-darkness feature is active.
5Number Of Copies lightIndicates the number-of-copies feature is active.
6
and Down arrow
buttons
Setup
button
Use these buttons to increase or decrease the value that appears on the display.
Use this button to scroll between the copy settings for number of copies, darkness, and copy size
for each job. The default option is the number of copies. To change the default settings for all jobs,
scroll to the setting and then press and hold the button for 3 seconds. When the light is blinking,
adjust the setting. Press this button again to save the setting.
7
Start Copy
8Cancel
9Toner-level status lightIndicates the level of toner in the toner-cartridge is low.
10
Attention
11
Ready
button
buttonPress this button to perform the following actions:
LED
LED
Press this button to start a copy job.
●
Cancel a print job when the printer is printing.
●
Reset the current copy settings to the default values when the printer is idle.
●
Exit Copy Default Setting mode without saving the value when the printer is in Copy Default
Setting mode.
The Attention light blinks when the printer requires user attention, such as when the printer runs
out of paper or a toner-cartridge needs to be changed.
The Ready light glows without blinking when the printer is ready to print.
ENWWPrinter views3
LCD control-panel view (M26nw models)
13
1
Wireless
(wireless models only)
button
1
25
43
6
7
1112
Use this button to navigate the open the Wireless menu and wireless status information.
10
9
8
2Setup
3
4OK buttonUse the OK button for the following actions:
5
6Power on/off buttonUse this button to turn the printer on or off.
7Cancel
8
9
buttonUse this button to open the Setup menu.
Left arrow
Right arrow
buttonUse this button to cancel a print job or to exit the control panel menus.
Copy Settings
button
Lighter/Darker
button
button
button
Use this button to navigate through the menus or to decrease a value that appears on the display
●
Open the control-panel menus.
●
Open a submenu displayed on the control-panel display.
●
Select a menu item.
●
Clear some errors.
●
Begin a print job in response to a control-panel prompt (for example, when the message
Press [OK] to continue appears on the control-panel display).
Use this button to navigate through the menus or to increase a value that appears on the display.
Use this button to open the Copy Settings menu.
Use this button to lighten or darken copies.
4Chapter 1 Printer overviewENWW
10
Number of Copies
button
Use this button to set the number of copies to be produced.
11
Back arrow
12
Start Copy
13ePrint buttonUse this button to open the Web Services menu.
button
button
Use this button for the following actions:
●
Exit the control-panel menus.
●
Scroll back to a previous menu in a submenu list.
●
Scroll back to a previous menu item in a submenu list (without saving changes to the menu
item).
Use this button to start a copy job.
ENWWPrinter views5
Printer specifications
IMPORTANT:The following specifications are correct at the time of publication, but they are subject to
change. For current information, see
●
Technical specifications
●
Supported operating systems
●
Mobile printing solutions
●
Printer dimensions
●
Power consumption, electrical specifications, and acoustic emissions
●
Operating-environment range
Technical specifications
See www.hp.com/support/ljM25-M27mfp for current information.
www.hp.com/support/ljM25-M27mfp.
6Chapter 1 Printer overviewENWW
Supported operating systems
The following information applies to the printer-specific Windows PCLmS and OS X print drivers.
Windows: The HP Software Installer installs the PCLmS driver depending on the Windows operating system
along with optional software when using the full software installer. See the software installation notes for
more information.
OS X: Mac computers are supported with this printer. Download HP Easy Start either from the printer
installation CD or from
the software installation notes for more information.
123.hp.com, and then use HP Easy Start to install the HP print driver and utility. See
1.Go to
123.hp.com.
2.Follow the steps provided to download the printer software.
Operating systemPrint driver installedNotes
Windows® XP, 32-bitThe HP PCLmS printer-specific print
Windows Vista®, 32-bit and 64–
bit
Windows 7, 32-bit and 64-bitThe HP PCLmS printer-specific print
Windows 8, 32-bit and 64-bitThe HP PCLmS printer-specific print
Windows 8.1, 32–bit and 64–bitThe HP PCLmS printer-specific print
driver is installed for this operating
system as part of the full software
installation.
The HP PCLmS printer-specific print
driver is installed for this operating
system as part of the full software
installation.
driver is installed for this operating
system as part of the full software
installation.
driver is installed for this operating
system as part of the full software
installation.
driver is installed for this operating
system as part of the full software
installation.
Windows 10, 32–bit and 64–bitThe HP PCLmS printer-specific print
Windows Server 2003, 32-bitThe HP PCLmS printer-specific print
Windows Server 2008, 32-bit
and 64-bit
driver is installed for this operating
system as part of the full software
installation.
driver is installed for this operating
system as part of the basic software
installation. The basic installer
installs the driver only.
The HP PCLmS printer-specific print
driver is installed for this operating
system as part of the basic software
installation.
ENWWPrinter specifications7
Operating systemPrint driver installedNotes
Windows Server 2012, 64–bit
and R2, 64–bit
OS X 10.9 Mavericks, 10.10
Yosemite, and 10.11 El Capitan
NOTE:For a current list of supported operating systems, go to www.hp.com/support/ljM25-M27mfp for
HP's all-inclusive help for the printer.
Mobile printing solutions
HP offers multiple mobile and ePrint solutions to enable easy printing to an HP printer from a laptop, tablet,
smartphone, or other mobile device. To see the full list and to determine the best choice, go to
go/LaserJetMobilePrinting.
NOTE:Update the printer firmware to ensure all mobile printing and ePrint capabilities are supported.
The HP PCLmS printer-specific print
driver is installed for this operating
system as part of the basic software
installation.
The OS X print driver and print utility
are available for download from
either the installation CD or
123.hp.com.
Download HP Easy Start either from the printer installation
CD or from
install the HP print driver and utility.
1.Go to
2.Follow the steps provided to download the printer
123.hp.com, and then use HP Easy Start to
123.hp.com.
software.
www.hp.com/
●
Wireless Direct (wireless models only)
●
HP ePrint via email (Requires HP Web Services to be enabled and the printer to be registered with
HP Connected)
●
HP ePrint software
8Chapter 1 Printer overviewENWW
Printer dimensions
1
1
2
Printer fully closedPrinter fully open
1. Height254 mm (10 in)410 mm (16.1 in)
2. Width420 mm (16.5 in)420 mm (16.5 in)
3. Depth266 mm (14.4 in)365 mm (17.2 in)
Weight (with cartridges)8.2 kg (18.1 lb)
3
2
Power consumption, electrical specifications, and acoustic emissions
See www.hp.com/support/ljM25-M27mfp for current information.
CAUTION: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 printer warranty.
Operating-environment range
3
EnvironmentRecommendedAllowed
Temperature17° to 25°C (62.6° to 77°F)15° to 30°C (59° to 86°F)
Relative humidity30% to 70% relative humidity (RH), non-
condensing
AltitudeNot applicable0 to 3048 m (0 to 10,000 ft)
ENWWPrinter specifications9
10% to 80% (RH), non-condensing
Printer hardware setup and software installation
For basic setup instructions, see the Setup Poster and Getting Started Guide that came with the printer. For
additional instructions, go to HP support on the Web.
www.hp.com/support/ljM25-M27mfp for HP's all-inclusive help for the printer. Find the following
Go to
support:
●
Install and configure
●
Learn and use
●
Solve problems
●
Download software and firmware updates
●
Join support forums
●
Find warranty and regulatory information
10Chapter 1 Printer overviewENWW
2Paper trays
●
Load the input tray
●
Load the input tray
●
Load and print envelopes
For more information:
The following information is correct at the time of publication. For current information, see
support/ljM25-M27mfp.
HP's all-inclusive help for the printer includes the following information:
●
Install and configure
●
Learn and use
●
Solve problems
●
Download software and firmware updates
●
Join support forums
●
Find warranty and regulatory information
www.hp.com/
ENWW11
Load the input tray
NOTE:When adding new paper, make sure to remove all of the paper from the input tray and straighten the
stack. Do not fan the paper. This reduces jams by preventing multiple sheets of paper from feeding through
the printer at one time.
1.If it is not already open, open the input tray.
2.Adjust the paper width and length guides
outward.
12Chapter 2 Paper traysENWW
3.Load the paper face-up with the top forward in
the input tray.
The orientation of the paper in the tray varies
depending on the type of print job. For additional
information, see the table below.
4.Adjust the paper guides inward until they are
snug against the paper.
ENWWLoad the input tray13
Paper typeDuplex modeHow to load paper
123
123
Preprinted or letterhead1-sided printing or 2-sided printingFace-up
Top edge leading into the printer
Prepunched1-sided printing or 2-sided printingFace-up
Holes toward the left side of the printer
14Chapter 2 Paper traysENWW
Load the input tray
ENWWLoad the input tray15
Tray adjustment for small paper sizes
To print on paper shorter than 185 mm (7.3 in), use the short-paper extender to modify the input tray.
1.Remove the short-paper extender tool from the
storage slot on the right side of the input area.
2.Attach the tool to the paper length guide on the
input tray.
3.Load the paper into the tray, and then adjust the
paper guides until they are snug against the
paper.
16Chapter 2 Paper traysENWW
4.Push the paper into the product until it stops, and
then push the paper length guide in so the
extender tool supports the paper.
5.When finished printing on short paper, remove
the short-paper extender tool from the input
tray, and then place it in the storage slot.
ENWWLoad the input tray17
Load and print envelopes
Introduction
The following information describes how to print and load envelopes. For the best performance, only 5 mm (.
2 in) of envelopes (4 to 6 envelopes) should be loaded into the priority feed tray, and only 10 envelopes
should be loaded into the input tray.
To print envelopes, follow these steps to select the correct settings in the print driver.
Print envelopes
1.From the software program, select the Print option.
2.Select the printer from the list of printers, and then click or tap the Properties or Preferences button to
open the print driver.
NOTE:The name of the button varies for different software programs.
NOTE:To access these features from a Windows 8 or 8.1 Start screen, select Devices, select Print,
and then select the printer.
3.Click or tap the Paper/Quality tab.
4.In the Paper source drop-down list, select the tray to be used.
5.In the Media drop-down list, select Envelope.
6.Click the OK button to close the Document Properties dialog box.
7.In the Print dialog box, click the OK button to print the job.
Envelope orientation
Load envelopes in the input tray face up, with the short, return
address end leading into the printer.
18Chapter 2 Paper traysENWW
3Supplies, accessories, and parts
●
Order supplies, accessories, and parts
●
Replace the toner cartridge
For more information:
The following information is correct at the time of publication. For current information, see
support/ljM25-M27mfp.
HP's all-inclusive help for the printer includes the following information:
●
Install and configure
●
Learn and use
●
Solve problems
●
Download software and firmware updates
●
Join support forums
●
Find warranty and regulatory information
www.hp.com/
ENWW19
Order supplies, accessories, and parts
Ordering
Order supplies and paperwww.hp.com/go/suresupply
Order genuine HP parts or accessories
Order through service or support providersContact an HP-authorized service or support provider.
Order using the HP Embedded Web Server (EWS)To access, in a supported Web browser on the computer, enter
www.hp.com/buy/parts
the printer IP address or host name in the address/URL field. The
EWS contains a link to the HP SureSupply Web site, which
provides options for purchasing Original HP supplies.
Supplies and accessories
ItemDescriptionCartridge numberPart number
Supplies
HP 79A Black Original LaserJet Toner
Cartridge
Replacement black toner cartridge for M25–
M27 models
79ACF279A
Customer self-repair parts
Customer Self-Repair (CSR) parts are available for many HP LaserJet printers to reduce repair time. More
information about the CSR program and benefits can be found at
www.hp.com/go/csr-faq.
www.hp.com/go/csr-support and
Genuine HP replacement parts can be ordered at
www.hp.com/buy/parts or by contacting an HP-authorized
service or support provider. When ordering, one of the following will be needed: part number, serial number
(found on back of printer), product number, or printer name.
●
Parts listed as Mandatory self-replacement are to be installed by customers, unless you are willing to
pay HP service personnel to perform the repair. For these parts, on-site or return-to-depot support is
not provided under the HP product warranty.
●
Parts listed as Optional self-replacement can be installed by HP service personnel at your request for
no additional charge during the printer warranty period.
20Chapter 3 Supplies, accessories, and partsENWW
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