To adjust the copy contrast from the control panel

1.Make sure you have paper loaded in the input tray.

2.Load your original print side down on the right front corner of the glass or print side up in the document feeder tray.

If you use the document feeder tray, place the pages so that the top edge of the document goes in first.

3.In the Copy area, press Menu repeatedly until Lighter / Darker appears.

4.Do one of the following:

•Press to darken the copy.

•Press to lighten the copy.

5.Press Start Copy Black or Start Copy Color.

Enhance blurred areas of your copy

You can use the Enhancements feature to adjust the quality of text documents by sharpening edges of black text or adjust photographs by enhancing light colors that might otherwise appear white.

The Mixed enhancement is the default option. Use the Mixed enhancement to sharpen edges of most originals.

To copy a blurred document from the control panel

1.Make sure you have paper loaded in the input tray.

2.Position the photo on the glass so the long edge of the photo is along the front edge of the glass.

Load your original print side down on the right front corner of the glass or print side up in the document feeder tray.

3.In the Copy area, press Menu repeatedly until Enhancements appears.

4.Press until the Text setting appears.

5.Press Start Copy Black or Start Copy Color.

If any of the following occur, turn off Text enhancement by selecting Photo or None:

•Stray dots of color surround some text on your copies

•Large, black typefaces look splotchy (not smooth)

•Thin, colored objects or lines contain black sections

•Horizontal grainy or white bands appear in light- to medium-gray areas

Enhance light areas of your copy

You can use Photo enhancements to enhance light colors that might otherwise appear white. You can also use Photo enhancements to eliminate or reduce any of the following that might occur when copying with Text enhancements:

•Stray dots of color surround some text on your copies

•Large, black typefaces look splotchy (not smooth)

•Thin, colored objects or lines contain black sections

•Horizontal grainy or white bands appear in light- to medium-gray areas

Enhance blurred areas of your copy

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HP J5780, J5788, J5750, J5740 manual Enhance blurred areas of your copy, Enhance light areas of your copy
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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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