Solve printer management problems, Ews cannot be opened – HP Officejet 7500A Wide Format e-All-in-One Printer - E910a User Manual
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Faxing
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UDP port: 427
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TCP port: 9220
HP printer installation
UDP port: 427
Solve printer management problems
This section provides solutions to common problems that involve managing the printer.
This section contains the following topic:
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NOTE: To use the EWS, the printer must be connected to a network using either an
Ethernet or a wireless connection. You cannot use the EWS if the printer is connected
to a computer with a USB cable.
EWS cannot be opened
Check your network setup
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Make sure you are not using a phone cord or a crossover cable to connect the printer
to the network.
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Make sure the network cable is securely connected to the printer.
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Make sure the network hub, switch, or router is turned on and working correctly.
Check the computer
Make sure the computer that you are using is connected to the network.
NOTE: To use the EWS, the printer must be connected to a network using either an
Ethernet or a wireless connection. You cannot use the EWS if the printer is connected
to a computer with a USB cable.
Check your Web browser
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Make sure the Web browser meets the minimum system requirements. For more
information, see System requirements.
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If your Web browser uses any proxy settings to connect to the Internet, try turning off
these settings. For more information, see the documentation available with your Web
browser.
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Make sure JavaScript and cookies are enabled in your Web browser. For more
information, see the documentation available with your Web browser.
Chapter 8
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Solve a problem