Before you call HP customer support

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Software programs from other companies might be included with the HP All-in-One. If you experience problems with any of those programs, you will receive the best technical assistance by calling the experts at that company.

NOTE: This information does not apply to customers in Japan. For information on service options in Japan, see HP Quick Exchange Service (Japan).

If you need to contact HP Customer Support, do the following before you call:

1.Make sure that:

a. The HP All-in-One is plugged in and turned on.

b. The specified print cartridges are installed correctly.

c. The recommended paper is properly loaded in the input tray.

2.Reset the HP All-in-One:

a. Turn off the HP All-in-One by pressing the Power button. b. Unplug the power cord from the back of the HP All-in-One. c. Plug the power cord back into the HP All-in-One.

d. Turn on the HP All-in-One by pressing the Power button.

3.To find support and warranty information, go to the HP website at www.hp.com/support. If prompted, choose your country/region, and then click Contact HP for information on calling for technical support.

Check the HP website for updated information or troubleshooting tips for the HP All-in-One .

4.If you are still experiencing problems and need to speak with an HP Customer Support Representative, do the following:

a. Have the specific name of the HP All-in-One, as it appears on the control panel, available. b. Print a self-test report.

c. Make a color copy to have available as a sample printout. d. Be prepared to describe your problem in detail.

e. Have your serial number and service ID ready.

5.Call HP Customer Support. Be near the HP All-in-One when you call.

Access your serial number and service ID

You can access important information by using the Information Menu of the HP All-in-One.

NOTE: If the HP All-in-One is not turning on, you can view the serial number by looking at the sticker on the rear side. The serial number is the 10-character code in the upper left corner of the sticker.

To access your serial number and service ID

1.Press and hold OK. While holding OK, press 4. This displays the Information Menu.

2.Press until Model Number appears and then press OK. This displays the service ID. Write down the complete service ID.

3.Press Cancel, and then press until Serial Number appears.

4.Press OK. This displays the serial number. Write down the complete serial number.

5.Press Cancel until you to exit the Information Menu.

258 HP warranty and support

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.

HP J5788, J5780, J5750, J5740 manual Before you call HP customer support

Models: J5788 J5740 J5780 J5750

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