• Verify that the printer is attached to the correct network port using a cable of
the correct length.
• Verify that the lights next to the network port are lit.
• Verify that the print driver is installed on the computer.
• Test the network connection by pinging the printer:
Windows: Click Start > Run. Type cmd, and press
EntEr. Type ping, type
a space, type the printer IP address, and then press
EntEr. Example IP
address: 192.168.0.1
OS X: Open the Network Utility, and type the IP address in the ping pane.
Press
EntEr. Example IP address: 192.168.0.1
• If the window displays round-trip times, the network is working.
• If the ping does not work, try restarting the printer and recheck all of the
connection steps.
Wireless network connection
• Verify that the network cable is not connected. The printer cannot connect to
a wireless network when a network cable is connected.
• Verify that the printer and wireless router are turned on and have power. Also
make sure the wireless switch is turned on.
• Verify that the printer is within the range of the wireless network. For most
networks, the printer must be within 30 m (100 ft) of the wireless access
point (wireless router).
• Verify that the print driver is installed on the computer.
• Verify that the computer and printer connect to the same wireless
network.
• For Mac, verify that the wireless router supports Bonjour.
• Restart the wireless router.
Perform the wireless diagnostic test
1. On the control panel, swipe the control panel screen and touch the Setup
button.
2. Select Self Diagnostics, and then select Run Wireless Test.
Troubleshooting
User guide
The user guide includes printer usage and troubleshooting information. It is
available on the printer CD and on the Web:
1. Go to www.hp.com/support/colorljM377MFP.
2. Click Manuals.
For Windows, the user guide is copied to the computer during the recommended
software installation.
Windows® XP, Windows Vista®, and Windows® 7:
Click Start, select Programs or All Programs, select HP, select the folder for
the HP printer, and then select Help.
Windows® 8:
On the Start screen, right-click an empty area on the screen, click All Apps on
the app bar, click the icon with the printer’s name, and then select Help.
Check for rmware updates
1. On the control panel, swipe the control panel screen and touch the Setup
button.
2. Open the Service menu.
3. Select LaserJet Update.
4. Select Check for Updates Now.
Control panel help
Touch the Help button on the printer control panel to access help topics.
Additional support resources
For HP’s all-inclusive help for the printer, go to
www.hp.com/support/colorljM377MFP:
• Solve problems
• Find advanced conguration instructions
• Download software updates
• Join support forums
• Find warranty and regulatory information
• Access mobile printing resources
10. Set up scan features for printers on a network (optional)
See the user guide for information on setting up the scan-to features or go to www.hp.com/support/colorljM377MFP.
To use HP ePrint via email, the printer must meet these requirements:
• The printer must be connected to a wired or wireless network and have
Internet access.
• HP Web Services must be enabled on the printer, and the printer must be
registered with HP Connected.
Enable HP Web Services
NOTE: Before enabling HP Web Services, verify that the printer is connected to a
network.
1. Touch the Apps
button.
2. In the Enable Web Services screen, touch OK.
The printer enables Web Services. Use the Print button to print an information
page. The information page contains a printer code necessary to register the HP
printer at HP Connected.
3. Go to www.hpconnected.com com to create an HP ePrint account and complete
the setup process.
9. Set up HP ePrint via email (optional)
Use HP ePrint via email to print documents by sending them as an email attachment to the printer’s email address from any email-enabled device, even from devices that are not
on the same network.
M5H23-90902_NeptuneFighter_GSG_RED.indd 310/22/2015 9:59:07 AM
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