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Why There Are Color Differences in Printing from your PC

Why There Are Color Differences in Printing from your PC

Laptop Battery This article describes the basic properties of color, what the relationships are between them and the differences between what you see and what you actually get using your inkjet cartridges.

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Thinkpad Properties

For best results, we recommend that you submit your files in CMYK and order a hardcopy proof. What is the difference between RGB and CMYK and why is it important RGB refers to the primary colors of light—Red, Green, and Blue—that are used in monitors, TVs, and computer screens; CMYK refers to the primary colors of ink pigment—Cyan, Magenta, Yellow, and Black— color process printing.

Microsoft Most of you will have come across these three; Hue, Saturation and Brightness; if you have ever messed around with color settings of your images.

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Laptop Computers Hue: For example; blue, green and violet are all hues. They are colors. The dictionary definition of 'Hue' is; "the attributes of colors that permits them to be classed as red, yellow, green, blue or an intermediate between any adjacent pair of these colors."

    1. A trademark of PCMCIA. related peripheral.

    2. A PCMCIA (Personal Computer Memory Card International Association) card.
    3. This term must be clarified as to whether PCMCIA is intended or another type of card for a PC compatible computer, such as ISA, MCA (Micro Channel Architecture) EISA or PCI.
    4. Any expansion card that might be used in a personal computer. The PC is first IBM Personal Computer sold in August '81. bit PC bus connector slots, ( bit ISA bus slots). bit slot compatible.

Laptop Computer Saturation: This refers to how vivid the color is. The higher the amount of gray relative to the amount of hue, the less vivid it will be.

If you can open this file format on your PC you will often see that the colors are totally different to the other logo files we send you. office printer too uses RGB color. RGB color stands for Red, Green, Blue. Your PC does not have the correct filters to read CMYK color. This is entirely normal and when printed on a lithographic printing press the colors will print correct. (Because a lithographic printing press can print many more variations of the color spectrum you may notice a slight difference in the end product compared to what you would be able to print on a home office printer).

Desktop Computer Brightness: Relates to the relative darkness or lightness of the color.

Notebooks In 1905 American artist A. Munsell published a color measurement system, naming the three parameters, Hue, Value and Chroma (Hue, Saturation and Brightness as above). This three dimensional relationship resulted in color identification in this format, for example; 7.5YR 7/12. Here we have a yellow-red hue tending with a value of 7 and a chroma of 12. There are 40 pages in the book covering all colors in the complete Munsell system.

Lenovo
Monitor and printer color production

Hard Drive Printer:
Printer colors are produced from inkjet cartridges emitting minute patterns of ink dots placed on paper. All colors that you see come from just four colors; cyan (C), magenta (M), yellow (Y) and black (K).

Travelstar As an aside, a mixture of cyan, magenta and yellow should produce black, but in reality a touch of black is needed to get it.

Gateway Monitor
A phosphor is a substance that emits light when subjected to radiation. Color phosphors are illuminated with electrons in your monitor and hence images are produced. There are three colored phosphors in each pixel on the screen; red (R), green (G) and blue (B).

Laptop Parts
Monitor and printer color differences

Software As will be aware, the printed output you receive hardly ever matches exactly that seen on your monitor 100% of the time. This is because the way that color is produced is different and the range of colors that are produced is different between the monitor and printer, as described above.

Hard Drives There are ways to get a closer match. You can experiment with printer driver settings or use image editing/color management software to help match up the two.

Electronics
Printing Process

Canon Most inkjet printers can't produce variations of the three primary colors so they employ a process called 'halftoning' to represent the thousands of colors needed. The two methods used for this are 'Dithering' and 'Error Diffusion'.

Desktop Pc With 'dithering', different colored ink dots are aligned to give the appearance of neutral colors...suitable for large areas of color such as in graphs and bar charts. There are often additional settings such as 'Coarse Dithering'...for images with limited detail and shading, and 'Fine Dithering' for images with significant amount of detail.

Desktop Computers If there is only text to print then 'No Halftoning' should be selected.

Think Pad With 'error diffusion' inkjet cartridge dots are merged with surrounding color dots to produce natural colors with the possibility of subtle color gradation. Ideal for detailed images or photos.

Repair When scanning, be aware that it will be more difficult to get a good match because the scanner will make the image using the CMYK data format, then RGB on the monitor and finally changed again to the CMYK data format via the printer.

Data Recovery ----------------------------------------------------------------------
(c) Paul Curran, CEO of Cuzcom Internet Publishing Group and webmaster at Ink-Cartridge-Store.com [http://www.ink-cartridge-store.com],
providing discounted brand name compatible ink cartridge and laser toner supplies.

Cisco

Paul Curran, CEO of Cuzcom Internet Publishing Group and webmaster at Ink-Cartridge-Store.com [http://www.ink-cartridge-store.com],
providing discounted brand name compatible ink cartridge and laser toner supplies.



Contact him at http://www.ink-cartridge-store.com

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