Troubleshooting

207

What is CMYK color?

Cyan, magenta, yellow, and black (known as CMYK color) inks or toners can be printed in various amounts to produce a large range of colors observed in nature. For example, cyan and yellow can be combined to create green. Printing presses, inkjet printers, and color laser/LED printers create colors in this manner. CMYK color is a method of describing colors by indicating the amount of cyan, magenta, yellow, and black needed to reproduce a particular color.

How is color specified in a document to be printed?

Software applications typically specify document color using RGB or CMYK color combinations. Additionally, they commonly let you modify the color of each object in a document. For more information, see the software application Help section.

How does the printer know what color to print?

When you print a document, information describing the type and color of each object is sent to the printer. The color information is passed through color conversion tables that translate the color into the appropriate amounts of cyan, magenta, yellow, and black toner needed to produce the desired color. The object type information lets different color conversion tables be used for different types of objects. For example, it is possible to apply one type of color conversion table to text while applying a different color conversion table to photographic images.

Should I use PostScript or PCL emulation printer software? What settings should I use for the best color?

The PostScript driver is strongly recommended for best color quality. The default settings in the PostScript driver provide preferred color quality for the majority of printouts.

Why doesn't the printed color match the color that I see on the computer screen?

The color conversion tables used in Auto Color Correction mode generally approximate the colors of a standard computer monitor. However, because of technology differences that exist between printers and monitors, there are many colors that can also be affected by monitor variations and lighting conditions. For recommendations on how the printer color sample pages may be useful in solving certain color‑matching problems, see the question, “How can I match a particular color (such as a color in a corporate logo)?”

The printed page appears tinted. Can I slightly adjust the color?

Sometimes you may consider printed pages to appear tinted (for example, everything printed seems to be too red). This can be caused by environmental conditions, paper type, lighting conditions, or user preference. In these instances, adjusting the Color Balance setting may create more preferable color. Color Balance lets you make subtle adjustments to the amount of toner being used in each color plane. Selecting positive (or negative) values for cyan, magenta, yellow, and black under the Color Balance menu will slightly increase (or decrease) the amount of toner used for the chosen color. For example, if you believe the overall printed page to be too red, then decreasing both magenta and yellow could potentially improve color.

My color transparencies seem dark when being projected. Is there anything I can do to improve the color?

This problem most commonly occurs when projecting transparencies with reflective overhead projectors. To obtain the highest projected color quality, transmissive overhead projectors are recommended. If a reflective projector must be used, then adjusting the Toner Darkness setting to 1, 2, or 3 will lighten the transparency.

Make sure to print on the recommended type of color transparencies. For more information about the paper and media specifications, see the User's Guide on the Software and Documentation CD.

What is manual color correction?

The color conversion tables applied to each object when using the default Auto Color Correction setting generate preferred color for the majority of documents. Occasionally, you may want to apply a different color table mapping. This customization is accomplished using the Manual Color menu and the Manual Color Correction setting.

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Lexmark C925, 030 Troubleshooting 207, How does the printer know what color to print?, What is manual color correction?
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030, C925, 24Z0000 specifications

The Lexmark 24Z0000, also known as the C925, is a high-performance color printer designed for businesses seeking reliable and efficient printing solutions. This multifunction printer stands out in the competitive landscape of office equipment due to its advanced technologies and robust features that cater to diverse printing needs.

One of the main features of the Lexmark C925 is its exceptional print quality. With a maximum resolution of up to 1200 x 1200 dpi, it delivers sharp, vibrant prints that enhance document presentations, marketing materials, and graphics-rich images. The printer supports a wide range of media sizes and types, from standard letter and legal paper to various labels and envelopes, making it versatile for different printing tasks.

Performance is another key aspect of the C925. It boasts a fast printing speed, capable of producing up to 40 pages per minute in black and white and 37 pages per minute in color. This efficiency is complemented by a first page out time of as fast as 6.5 seconds, ensuring that users do not have to wait long for their documents. The printer also features a robust monthly duty cycle, allowing businesses to handle high-volume printing with ease.

In terms of technology, the Lexmark C925 utilizes an advanced color laser printing process that not only enhances the quality of prints but also contributes to cost savings. With usage of high-yield toner cartridges, businesses can reduce printing costs per page, making it an economical choice for organizations that require frequent color printing.

Another notable characteristic of the C925 is its user-friendly interface. The printer is equipped with a large color touch screen that simplifies navigation through its features and settings. Additionally, it supports mobile printing solutions such as Apple AirPrint and Google Cloud Print, allowing users to print directly from their smartphones and tablets.

Security is also prioritized, with features such as secure print and user authentication, ensuring that sensitive information remains protected. Networking capabilities such as Ethernet and Wi-Fi connectivity make it easy to integrate the printer into existing office networks.

In summary, the Lexmark 24Z0000 C925 is a powerhouse color printer ideal for businesses looking for a reliable, high-quality, and cost-effective printing solution. With its advanced features, impressive speed, and commitment to security, it remains a top choice for enhancing productivity in the workplace.
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