3.Press 1, and then press 1.

This selects Add Number to Junk List and then selects Select Number.

4.Press to scroll through the numbers from which you have received faxes. When the number you want to block appears, press OK to select it.

5.When the Select Another? prompt appears, do one of the following:

•If you want to add another number to the list of junk fax numbers, press 1 to select Yes, and then repeat step 4 for each number you want to block.

•If you are done, press 2 to select No.

To manually enter a number to block

1.Press Setup.

2.Press 4, and then press 7.

This selects Basic Fax Setup and then selects Junk Fax Blocker Set Up.

3.Press 1, and then press 2.

This selects Add Number to Junk List and then selects Enter Number.

4.Use the keypad to enter a fax number to block and then press OK.

Make sure you enter the fax number as it appears on the display, and not the fax number that appears on the fax header of the received fax, as these numbers can be different.

5.When the Enter Another? prompt appears, do one of the following:

•If you want to add another number to the list of junk fax numbers, press 1 to select Yes, and then repeat step 4 for each number you want to block.

•If you are done, press 2 to select No.

Remove numbers from the junk fax list

If you no longer want to block a fax number, you can remove a number from your junk fax list.

To remove numbers from the list of junk fax numbers

1.Press Setup.

2.Press 4, and then press 7.

This selects Basic Fax Setup and then selects Junk Fax Blocker Set Up.

3.Press 2.

This selects Remove Number from Junk List.

4.Press to scroll through the numbers you have blocked. When the number you want to remove appears, press OK to select it.

5.When the Delete Another? prompt appears, do one of the following:

•If you want to remove another number from the list of junk fax numbers, press 1 to select Yes, and then repeat step 4 for each number you want to block.

•If you are done, press 2 to select No.

Fax over the Internet using IP phone

You might subscribe to a low-cost phone service that allows you to send and receive faxes with the HP All-in-One by using the Internet. This method is called Fax over Internet

Fax over the Internet using IP phone

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HP J5780, J5788, J5750, J5740 manual Fax over the Internet using IP phone, Remove numbers from the junk fax list
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J5788, J5740, J5780, J5750 specifications

The HP J5780 is a versatile all-in-one inkjet printer that combines printing, scanning, copying, and faxing capabilities in a single device. Ideal for home and small office environments, this printer is designed to cater to a wide range of document-related needs. Its compact form factor allows it to fit easily into tight spaces without sacrificing functionality.

One of the standout features of the HP J5780 is its print quality. With a maximum resolution of up to 4800 x 1200 optimized dpi, it delivers sharp text and vibrant images, making it suitable for printing everything from documents to photos. The printer uses HP's patented Thermal Inkjet Technology, which ensures precise ink placement and excellent color accuracy.

In terms of print speed, the HP J5780 is efficient, capable of printing up to 30 pages per minute for black and white documents and around 23 pages per minute for color prints. This speed makes it particularly effective in busy office environments where time is of the essence. The device has a 100-sheet paper tray that accommodates various paper sizes and types, including envelopes, glossy photo paper, and legal-sized documents.

The scanner function offers a flatbed design with a 1200 x 2400 dpi optical resolution, enabling users to digitize documents and photos with exceptional clarity. Additionally, the HP J5780 comes with a built-in copier that allows for quick duplication of documents without needing a computer. Users can efficiently make multiple copies, adjust copy sizes, and utilize features like resizing and reduction.

Another important aspect of the HP J5780 is its faxing capability. Featuring a 33.6 Kbps modem, the printer enables quick transmission of documents and comes with a 20-page automatic document feeder (ADF), simplifying the process of sending multi-page faxes.

Connectivity options on the HP J5780 are user-friendly, offering both USB and Ethernet interfaces. This allows for easy connection to computers and networks, enabling users to share the printer within a group. Furthermore, the device is compatible with various operating systems, ensuring seamless integration into different computing environments.

In summary, the HP J5780 is a comprehensive all-in-one solution that emphasizes productivity without compromising quality. Its combination of printing, scanning, copying, and faxing functionalities, along with its user-friendly features, makes it a reliable choice for those seeking efficiency and versatility in their document management tasks. Whether for home use or small office settings, the HP J5780 delivers dependable performance and a range of technologies designed to meet diverse printing needs.
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