Fax issues

Run the fax test report first to see if there is a problem with your fax setup. If the test passes and you are still having problems faxing, check the fax settings listed in the report to verify that the settings are correct.

Run the fax test

You can test your fax setup to check the status of the printer and to make sure it is set up correctly for faxing. Perform this test only after you have completed fax setup on the printer. The test does the following:

●Tests the fax hardware

●Verifies that the correct type of phone cord is connected to the printer

●Checks that the phone cord is plugged into the correct port

●Checks for a dial tone

●Tests the status of your phone line connection

●Checks for an active phone line

To test fax setup via the printer control panel

1.Set up the printer for faxing according to your particular home or office setup instructions.

2.Make sure the ink cartridges are installed and that full-size paper is loaded in the input tray before starting the test.

3.On the Fax screen, flick to the right and touch Setup, touch Setup Wizard, and then follow the onscreen instructions.

The printer displays the status of the test on the display and prints a report.

4.To test fax setup via the printer control panel

5.Review the report.

●If the fax test failed, review the solutions below.

●If the fax test passed and you are still having problems faxing, verify that the fax settings listed in the report are correct. You can also use HP's online troubleshooting wizard.

What to do if the fax test failed

If you ran a fax test and the test failed, review the report for basic information about the error. For more detailed information, check the report to see which part of the test failed, and then review the appropriate topic in this section for solutions to try.

ENWW

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7645 specifications

The HP 7640 and 7645 are part of HP's formidable line of wide-format printers designed for businesses that require high-quality printing for posters, brochures, and technical documents. Built with reliability and efficiency in mind, these printers offer advanced features and technologies that cater to diverse printing needs.

One of the standout features of the HP 7640 and 7645 is their exceptional print quality. These printers utilize HP's thermal inkjet technology, which ensures crisp, clear results with vibrant colors and sharp text. The printers support a wide color gamut and are capable of producing high-resolution prints, making them ideal for graphic-intensive applications. The versatile media handling allows users to print on various substrates, from plain paper to glossy photo paper and even heavyweight posters.

Both models support wide-format printing, with maximum print sizes up to 44 inches wide. This makes them perfect for businesses in industries such as architecture, engineering, and advertising. The HP 7640 and 7645 can print on sheets or rolls, providing users with the flexibility to handle large print jobs efficiently.

Another significant feature is the HP Smart App integration, which allows users to print and manage their printing tasks through smartphones and tablets. This capability enhances productivity, enabling users to take control of their printing needs remotely. Additionally, both printers come with intuitive touch-screen interfaces that simplify operation and provide real-time insights into printer status and supplies.

In terms of connectivity, the HP 7640 and 7645 boast versatile options, including USB, Ethernet, and wireless connectivity. This makes it easy to integrate the printers into existing office networks, enabling multiple users to access the printer from various devices. Cloud printing support further enhances operational convenience, allowing users to print documents from their preferred applications without the need for intermediate downloads.

The construction of the HP 7640 and 7645 emphasizes durability and low maintenance. With features designed to minimize downtime, these printers are engineered for consistent performance, making them suitable for high-demand environments. Their environmentally friendly design, including energy-efficient operating modes and recyclable cartridges, aligns with modern sustainability practices.

In summary, the HP 7640 and 7645 printers are packed with cutting-edge technology and practical features that meet the diverse demands of today’s business landscape. With superior print quality, wide-format capabilities, and user-friendly technology, they provide a reliable solution for high-quality printing requirements.
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