Scanned image shows dotted lines instead of text

Text format is incorrect

Text is incorrect or missing

The scan feature does not work

Scan halts

Cause: The computer system resources might be low.

Solution: Turn off the HP All-in-One and then turn it back on. Turn off the computer and then turn it back on.

If this does not work, try changing the scan to a lower resolution.

Scan fails

Cause: The computer is not turned on.

Solution: Turn on your computer.

Cause: Your computer is not connected to the HP All-in-One by a USB cable.

Solution: Connect your computer to the HP All-in-One with a standard USB cable.

Cause: The HP All-in-One software might not have been installed.

Solution: Insert the HP All-in-One installation CD and install the software.

Cause: The software you installed with the HP All-in-One is not running.

Solution: Open the software you installed with the HP All-in-One and try scanning again.

Scan fails because of insufficient computer memory

Cause: Too many programs are running on your computer.

Solution: Close all programs that are not in use. This includes programs that run in the background, such as screen savers and virus checkers. If you turn off your virus checker, remember to turn it back on after you finish your scan.

If this does not work, it might help to restart your computer. Some programs do not release memory when you close them. Restarting your computer will clear the memory.

If this problem occurs frequently, or if you encounter memory problems while using other programs, you might need to add more memory to your computer. See the user guide that came with your computer for more information.

Scan troubleshooting

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HP J5740, J5788, J5780, J5750 manual Scan halts, Scan fails because of insufficient computer memory

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.