Chapter 8

The scanned image shows blots, lines, vertical white stripes, or other defects

◦If the scanner glass is dirty, the image produced does not have optimum clarity. See Clean the device for cleaning instructions.

◦The defects might be on the original and not a result of the scanning process.

Graphics look different from the original

The graphics settings might not be suitable for the type of scan job that you are performing. Try changing the graphics settings.

Take steps to improve the scan quality

◦Use high-quality originals.

◦Place the media correctly. If the media is placed incorrectly on the scanner glass, it might skew, which causes unclear images. For more information, see Load originals.

◦Adjust the software settings according to how you plan to use the scanned page.

◦Use or make a carrier sheet to protect your originals.

◦Clean the scanner glass. See Clean the scanner glass for more information.

Scan defects are apparent

•Blank pages

Make sure that the original document is placed correctly. Place the original document face down on the flatbed scanner with the top-left corner of the document located in the lower-right corner of the scanner glass.

•Too light or dark

◦Try adjusting the settings. Be sure to use the correct resolution and color settings.

◦The original image might be very light or dark or might be printed on colored paper.

•Unwanted lines

Ink, glue, correction fluid, or an unwanted substance might be on the scanner glass. Try cleaning the scanner glass. See Clean the device for more information.

•Black dots or streaks

◦Ink, glue, correction fluid, or an unwanted substance might be on the scanner glass, the scanner glass might be dirty or scratched, or the lid backing might be dirty. Try cleaning the scanner glass and lid backing. See Clean the device for more information. If cleaning does not correct the problem, the scanner glass or lid backing might need to be replaced.

◦The defects might be on the original and not a result of the scanning process.

•Unclear text

Try adjusting the settings. Make sure that the resolution and color settings are correct.

•Size is reduced

The HP software settings might be set to reduce the scanned image. See the product software Help for more information about changing the settings.

132 Maintain and troubleshoot

Page 135 Page 137
Page 136
Image 136
HP J4660, J4680, J4580, J4540, J4550 manual Scan defects are apparent
Page 135 Page 137

J4540, J4580, J4680, J4660, J4550 specifications

The HP J4580 and J4500 series printers are versatile all-in-one devices that cater to both home and small office environments. Designed to deliver high-quality printing, scanning, copying, and faxing capabilities, these models combine functionality with ease of use.

The HP J4580 model stands out with its compact design, making it an ideal choice for users with limited space. One of its main features is the ability to print in color and black-and-white at speeds up to 28 pages per minute (ppm). Additionally, the J4580 boasts a maximum print resolution of 4800 x 1200 optimized dpi, ensuring that both text and images look sharp and vibrant.

The J4500 model, while similar in design, introduces enhanced features suitable for slightly larger workloads. It offers a slightly higher performance, handling printing tasks with even greater efficiency. The J4500 can also print at impressive speeds, providing users with fast output without sacrificing quality.

Both models come equipped with advanced scanner technology, featuring a flatbed scanner that allows for high-resolution scanning to digital formats. The J4580 and J4500 are capable of scanning documents up to 1200 dpi, making it easy to capture intricate details from photos and pages. Moreover, users can copy documents quickly with a one-touch button that simplifies the copying process.

One of the standout characteristics is the built-in fax functionality. The fax modem included in both models can transmit documents at speeds of up to 33.6 kbps, ensuring that important information is sent swiftly. Additionally, they feature a 50-sheet automatic document feeder (ADF) for quicker faxing and scanning of multi-page documents.

Connectivity options are also essential for modern office needs, and both the J4580 and J4500 support USB and Ethernet connections, allowing users to print and share documents seamlessly over a network. Furthermore, wireless connectivity options enable quick access from mobile devices.

Overall, the HP J4580 and J4500 series printers provide comprehensive solutions for daily printing, scanning, copying, and faxing tasks. With their combination of speed, quality, and multifunction capabilities, these all-in-one printers are reliable assets for enhancing productivity in any workspace.
Top Page Image Contents