•Ink is not filling the text or graphics completely

•Output is faded or dull colored

•Colors are printing as black and white

•Wrong colors are printing

•Printout shows bleeding colors

•Colors do not line up properly

•Lines or dots are missing from text or graphics

Common poor quality printout problems

Check the print cartridges

Make sure the correct print cartridges are installed and the print cartridges are not low on ink. For more information, see Manage the device and Work with print cartridges. HP cannot guarantee the quality of non-HP print cartridges.

Check the paper quality

The paper might be too moist or too rough. Make sure the media meets HP specifications, and try to print again. For more information, see Select print media.

Check the type of media loaded in the device

Make sure the tray supports the type of media you have loaded. For more information, see Understand specifications for supported media.

Check the device location and length of USB cable

High electromagnetic fields (such as those generated by USB cables) can sometimes cause slight distortions to printouts. Move the device away from the source of the electromagnetic fields. Also, it is recommended that you use a USB cable that is less than 3 meters (9.8 feet) long to minimize the effects of these electromagnetic fields.

Align the print cartridges

Align the print cartridges. For more information, see Align the print cartridges.

Clean the print cartridge

The print cartridges may need to be cleaned. For more information, see, Clean the print cartridges.

Meaningless characters print

If an interruption occurs to a job that is printing, the device might not recognize the rest of the job.

Poor print quality and unexpected printouts

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HP J6400 manual Common poor quality printout problems, Meaningless characters print, Check the paper quality
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J6400 specifications

The HP J6400 is a versatile and high-performance inkjet printer designed primarily for small to medium-sized businesses and professionals in need of quality printing solutions. Recognized for its reliability and efficiency, the HP J6400 incorporates several features and technologies that make it stand out in a competitive marketplace.

One of the main features of the HP J6400 is its ability to print in wide formats, with a maximum print width of up to 13 inches. This makes it ideal for creating posters, presentations, and other large documents that require a professional touch. The printer supports various media types, including glossy paper, broadsheet paper, and even CD/DVD labels, allowing users to express their creativity without limitations.

The J6400 utilizes HP's advanced thermal inkjet technology, which delivers sharp and vibrant prints with a maximum resolution of up to 4800 x 1200 optimized dpi. This technology ensures that text appears crisp and colors are vivid, making it suitable for both professional documents and high-quality photo prints. Additionally, the device is compatible with a range of HP’s high-capacity ink cartridges, enabling users to reduce printing costs significantly without sacrificing quality.

Another notable characteristic of the HP J6400 is its fast printing speed. It can produce black and white documents at speeds of up to 33 pages per minute, and color prints at speeds of up to 29 pages per minute. This efficiency is crucial for businesses that require quick turnaround times for their printing needs.

Moreover, the HP J6400 comes equipped with built-in networking capabilities, including Ethernet and USB connectivity. This allows multiple users to connect to the printer seamlessly, making it an excellent choice for collaborative work environments. Additionally, its user-friendly interface simplifies the printing process, enabling easy navigation through settings and adjustments.

In terms of design, the HP J6400 is compact and streamlined, ensuring it can fit comfortably in various office spaces without taking up too much room. Its sleek aesthetic also adds a professional look to any workspace.

Overall, the HP J6400 is a robust and reliable printing solution combining quality, speed, and versatility, making it an excellent investment for businesses and professionals looking to enhance their printing capabilities. With its advanced features and efficient technologies, it stands out as a practical choice for users demanding high-quality results in a fast-paced environment.
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