◦Inspect the ends of the memory card for dirt or material that closes a hole or spoils a metal contact. Clean the contacts with a lint-free cloth and small amounts of isopropyl alcohol.

◦Assure that the memory card is working properly by testing it with other devices.

•Check the memory card slot

◦Make sure that the memory card is fully inserted into the correct slot. For more information, see Insert a memory card.

◦Remove the memory card (when the light is not blinking) and shine a flashlight into the empty slot. See if any of the small pins inside are bent. When the computer is off, you can straighten slightly bent pins by using the tip of a thin, retracted ballpoint pen. If a pin has bent in such a way that it touches another pin, replace the memory card reader or have the device serviced. For more information, see Support and warranty.

◦Make sure that only one memory card has been inserted at a time in the slots. An error message should appear on the control-panel display if more than one memory card is inserted.

The device cannot read photos on the memory card

Check the memory card

The memory card might be corrupt.

The device prints half a page, then ejects the paper

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.

Troubleshoot installation issues

If the following topics do not help, see Support and warranty for information about HP support.

•Hardware installation suggestions

•Software installation suggestions

Hardware installation suggestions

Check the device

•Make sure that all packing tape and material have been removed from outside and inside the device.

•Make sure that the device is loaded with paper.

•Make sure that no lights are on or blinking except the Ready light, which should be on. If the Attention light is blinking, check for messages on the device control panel.

Troubleshoot installation issues

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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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