Chapter 13

Color bars - color mixing (yellow bar contains magenta streaks)

Solve a problem

Check the estimated ink levels in the cartridges.

Remove the cartridge corresponding to the streaked bar and clean the cartridge electrical contacts.

Reinstall the cartridge and make sure all of the cartridges are properly installed.

Clean the printhead, and then print this diagnostic page again.

If cleaning the printhead does not solve this print quality issue, replace the cartridge corresponding to the streaked bar.

NOTE: If replacing the cartridge does not solve this print quality issue, contact HP support for service.

If any of the color bars show regular white streaks, align the printer. If the issue persists, clean the printhead, and then print this diagnostic page again.

NOTE: If cleaning the printhead does not solve this print quality issue, contact HP support for service.

3.Look at the large text above the alignment pattern. The type should be sharp and clear.

Sample text area - expected result

If the type is jagged, align the printer, and then print this diagnostic page again.

Sample text area - jagged text

If the text is uneven, streaked, or smeared, clean the printhead, and then print this diagnostic page again.

Sample text area - uneven ink distribution

Sample text area - streaks or smears

4.Look at the alignment pattern above the color bars. The lines should be straight and sharp.

Alignment pattern - expected result

116 Solve a problem

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HP C309a manual Color bars color mixing yellow bar contains magenta streaks

C309a specifications

The HP C309a is a versatile all-in-one printer designed to cater to the needs of both home and small office environments. This multifunction printer not only prints but also scans, copies, and faxes, offering a range of features that enhance productivity and convenience.

One of the standout features of the HP C309a is its wireless connectivity, which allows users to print from anywhere in the home or office without the need for cumbersome cables. With support for Wi-Fi Direct, users can connect their mobile devices directly to the printer without needing a network, making printing from smartphones and tablets seamless. The printer also supports Apple AirPrint and HP ePrint, enabling users to print documents, emails, and photos with just a few taps.

In terms of printing capabilities, the HP C309a delivers impressive quality with resolutions up to 4800 x 1200 optimized dpi. This ensures that printed materials, whether they are text documents or vibrant photographs, have sharp detail and rich colors. The printer also offers automatic duplex printing, which helps save paper and reduces environmental impact.

The scanning and copying features of the HP C309a are noteworthy as well. With a flatbed scanner and a 50-sheet automatic document feeder, users can easily handle multiple pages at once, making it efficient for batching documents. The printer also supports various scan formats, including PDF and JPEG, allowing users to save and share their documents in the format that suits them best.

Another critical aspect of the HP C309a is its user-friendly design. The printer includes a 2.4-inch color touchscreen, making navigation through menus and settings intuitive. This display allows users to quickly access functions and check ink levels without having to navigate complex buttons or switches.

In terms of ink technology, the HP C309a utilizes HP's Vivera ink system, which offers a range of pigment and dye-based inks. This technology ensures that prints have long-lasting durability and resist fading over time, which is particularly important for photos and documents that need to stand the test of time.

Overall, the HP C309a stands out for its combination of features, technology, and ease of use. Its wireless capabilities, high-quality printing, efficient scanning and copying options, and intuitive interface make it an excellent choice for anyone looking for a reliable all-in-one printer. Whether for personal use or in a small work environment, the HP C309a has the attributes to meet a variety of printing needs.