HP LaserJet Pro MFP M28-M31 - User Guide
Solve wireless network problems
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Introduction
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Wireless connectivity checklist
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The printer does not print after the wireless conguration completes
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The printer does not print, and the computer has a third-party rewall installed
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The wireless connection does not work after moving the wireless router or printer
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Cannot connect more computers to the wireless printer
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The wireless printer loses communication when connected to a VPN
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The network does not appear in the wireless networks list
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The wireless network is not functioning
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Perform a wireless network diagnostic test
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Reduce interference on a wireless network
Introduction
Use the troubleshooting information to help resolve issues.
NOTE: To determine whether Wi-Fi Direct printing is enabled on your printer, print a conguration page from
the printer control panel
Wireless connectivity checklist
● Verify that the printer and the wireless router are turned on and have power. Also make sure that the
wireless radio in the printer is turned on.
● Verify that the service set identier (SSID) is correct. Print a conguration page to determine the SSID:
a. Press and hold the Start Copy button until the Ready light begins blinking.
b. Release the Start Copy button.
If you are not sure the SSID is correct, run the wireless setup again
● With secured networks, verify that the security information is correct. If the security information is
incorrect, run the wireless setup again.
● If the wireless network is working correctly, try accessing other computers on the wireless network. If the
network has Internet access, try connecting to the Internet over a wireless connection.
● Verify that the encryption method (AES or TKIP) is the same for the printer as it is for the wireless access
point (on networks using WPA security).
● 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).
90 Chapter 8 Solve problems ENWW