•Make sure you have correctly connected the device to the telephone wall jack. Using the phone cord supplied in the box with the device, connect one end to your telephone wall jack, then connect the other end to the port labeled 1-LINE on the back of the device. For more information on setting up the device for faxing, see Set up faxing for the device.

•If you are using a phone splitter, this can cause faxing problems. (A splitter is a two-cord connector that plugs into a telephone wall jack.) Try removing the splitter and connecting the device directly to the telephone wall jack.

•Try connecting a working phone and phone cord to the telephone wall jack that you are using for the device and check for a dial tone. If you do not hear a dial tone, contact your telephone company and have them check the line.

•Try to send or receive a test fax. If you can send or receive a fax successfully, there might not be a problem.

After you resolve any problems found, run the fax test again to make sure it passes and the device is ready for faxing.

The "Phone Cord Connected to Correct Port on Fax" test failed

Solution: Plug the phone cord into the correct port.

1.Using the phone cord supplied in the box with the device, connect one end to your telephone wall jack, then connect the other end to the port labeled 1-LINE on the back of the device.

NOTE: If you use the 2-EXT port to connect to the telephone wall jack, you will not be able to send or receive faxes. The 2-EXT port should only be used to connect other equipment, such as an answering machine.

Figure 9-1 Back view of the device

1 Telephone wall jack

2Use the phone cord supplied in the box with the device to connect to the "1-LINE" port

2.After you have connected the phone cord to the port labeled 1-LINE, run the fax test again to make sure it passes and the device is ready for faxing.

3.Try to send or receive a test fax.

Solve fax problems

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HP J6400 manual Phone Cord Connected to Correct Port on Fax test failed, Back view of the device
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J6400 specifications

The HP J6400 is a versatile and high-performance inkjet printer designed primarily for small to medium-sized businesses and professionals in need of quality printing solutions. Recognized for its reliability and efficiency, the HP J6400 incorporates several features and technologies that make it stand out in a competitive marketplace.

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Overall, the HP J6400 is a robust and reliable printing solution combining quality, speed, and versatility, making it an excellent investment for businesses and professionals looking to enhance their printing capabilities. With its advanced features and efficient technologies, it stands out as a practical choice for users demanding high-quality results in a fast-paced environment.
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