9.Repeat if necessary for the other print cartridge.

10.Gently close the print cartridge door and plug the power cord into the back of the product.

Cause: The print cartridge contacts needed to be cleaned.

If this did not solve the issue, try the next solution.

Solution 3: Replace the print cartridge

Solution: Replace the indicated print cartridge. You can also remove the indicated print cartridge and print using ink-backup mode.

NOTE: During ink-backup mode, the product can only print jobs from the computer. You cannot initiate a print job from the control panel (such as printing a photo from a memory card).

Check to see if your print cartridge is still under warranty and end of warranty date has not been reached.

•If the end of warranty date has been reached, purchase a new print cartridge.

•If the end of warranty date has not been reached, contact HP support. Go to www.hp.com/support. If prompted, choose your country/region, and then click Contact HP for information on calling for technical support.

For more information, see:

“Cartridge warranty information” on page 43

Cause: The print cartridge was damaged.

Incompatible print cartridges

Try the following solutions to resolve the issue. Solutions are listed in order, with the most likely solution first. If the first solution does not solve the problem, continue trying the remaining solutions until the issue is resolved.

•Solution 1: Check the print cartridge

•Solution 2: Contact HP support for service

Solve a problem

Solution 1: Check the print cartridge

Solution: Check to make sure you are using the correct print cartridges for your product. For a list of compatible print cartridges, see the printed documentation that came with the product.

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HP C4640 manual Solution 3 Replace the print cartridge, Incompatible print cartridges, Solution 1 Check the print cartridge
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C4640, C4680, C4650 specifications

The HP C4600 and C4680 printers are versatile and efficient all-in-one inkjet devices that cater to both home and office needs. Renowned for their multifunctionality, these printers provide capabilities such as printing, scanning, and copying, thereby eliminating the need for multiple devices and saving valuable space.

Both models are characterized by their compact and sleek design, making them suitable for various environments. The C4600 is geared towards users seeking reliable performance in a compact package, while the C4680 builds on this foundation with added features and enhanced functionality. One of the key aspects of these printers is their user-friendly interface, which typically includes a straightforward control panel for easy navigation and management of print jobs.

The printing technology employed in the HP C4600 and C4680 models utilizes thermal inkjet technology, ensuring sharp, vibrant prints with accurate color reproduction. Users can expect high-quality documents with resolutions reaching up to 4800 x 1200 optimized dpi. This level of detail makes these printers suitable for both text documents and color images, allowing for professional-quality output.

In terms of speed, both models are competitive within their class, with the C4680 often exhibiting faster print rates compared to the C4600. The C4600 can typically produce about 30 pages per minute for black and white prints, while the C4680's speed can be slightly higher for color and monochrome documents.

Connectivity is another area where these printers shine. They support USB connections for direct printing from computers, but many users appreciate the wireless capabilities of the C4680, which allows for seamless printing from smartphones and tablets. This wireless technology enables easy access to printing tasks from anywhere within the home or office, enhancing productivity.

One notable characteristic is the energy efficiency of both models, which is in line with HP’s commitment to environmentally-friendly practices. They often feature energy-saving modes that automatically reduce power consumption during idle times, contributing to lower energy bills and a smaller carbon footprint.

In summary, the HP C4600 and C4680 printers combine functionality, ease of use, and quality, making them excellent choices for users looking for reliable all-in-one solutions. With their robust printing technologies, user-friendly features, and connectivity options, they cater well to diverse printing needs while ensuring excellent output quality and efficiency.
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