Canon BJC-610 User Manual

Resetting the Quality Settings

To restore all the settings controlled in the Quality dialog box to their default values, click the Defaults button.

The Graphics Dialog Box

Settings in the Graphics dialog box control the appearance of color and grayscale graphics. You can select the following:

The halftoning method

The brightness, contrast, and saturation

Grayscale printing or color matching

To display the Graphics dialog box, open the Setup dialog box as described earlier in this chapter, and then choose the Graphics button.

As you change the settings, the sample graphic in the Graphics dialog box approximates the way your printed graphic will look when printed.

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Selecting the Halftoning Method

Your printer contains four ink colors: cyan, magenta, yellow, and black. To create the illusion of other colors, dots of these four colors are pleased closely together. This process is call halftoning.

To print the entire spectrum of colors, the Microsoft Windows Printing System can apply three different halftoning methods. These differ in how the color dots are placed.

You can select from the following:

Solid - This method is suitable for printing documents that contain only text and simple graphics, or for printing a proof copy of a document that contains complex graphics. It prints quickly, but shows the fewest details.

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Patterned - With this method, the printer uniformly aligns dots of different colors to create the appearance of intermediate colors. It is suitable for printing documents that contains large areas of solid color, such as bar chars and graphics. Use for medium- speed printing of medium-quality images.

Smooth - This is the default halftoning method. With this method, the printer randomly places dots of different colors to crate the appearance of intermediate colors. The printer produces excellent colors and subtle color gradations. It is suitable for printing documents that contains finely detailed graphics or photographic images.

With Smooth Halftoning, printing requires the longest time, but results in the finest print quality.

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Using the Color Controls

Using the Color Controls, you can make the following adjustments:

Brightness lightens or darkens the entire color image for each color.

Contrast darkness the dark shades and lightens the light shades.

Saturation makes the color closer to the primary color.

You can also select grayscale printing and disable or enable color matching.

Adjusting brightness, contrast, and saturation

To change Brightness, either type a new value or drag its scroll box left or right to decrease (darken) or increase (lighten) the brightness. When you want to adjust the overall brightness, click the larger triangle

>. When you want to adjust the brightness of each color, drag the scroll box of each color. Brightness can

be -100 to 100.

When you check the Gray Scale Printing box, you an adjust only the overall brightness and not the

Saturation.

When you select the Solid halftoning method, you cannot adjust the Contrast.

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Selecting grayscale printing

If you want to print in grayscale instead of color, check the Gray Scale Printing box.

Gray Scale Printing

Disabling color matching

If you want to disable the Microsoft Windows Printing System color matching routines, check the

Disable Color Matching box. If you disable it, the color in your printout will be based on the information from the application program. Printing speed increases when you disable color matching.

Disable Color Matching

It is recommended that you enable the color matching feature. However, if you want to enable a color matching process provided by you software application or operating system, be sure to disable this color matching feature.

Because monitors and printers are so different, achieving an accurate match of some monitor colors is extremely difficult. Your printer has been optimized to offer the best match between the most popular monitors. Yet, you may still find certain colors difficult to match exactly.

Resetting the Graphics Settings

To restore all the settings controlled in the Graphics Dialog box, click the Defaults button.

Experimenting With Graphics Settings

As you change the Halftoning and Color Controls settings, the sample graphic in the Graphics dialog box changes to approximate the way your printed graphic will look.

Many variables determine how the printed results look. including the original appearance of your graphic, as well as the difference between the resolutions of your computer screen and the printer.

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Experiment with halftoning settings until you get a feel for the results of various settings. By experimenting, you also mightr achieve some unusual but reasonable results.

The settings you choose apply to all graphics in the document you’re printing. If you want to apply different settings to individual graphics, break your document into separate print jobs.

Comparing Settings

This photograph was scanned and saved as a TIFF image (Tag Image File Format) with 256 shades of gray.

To illustrate just a few of the many looks you can achieve by adjusting the grayscale settings, here is a photo that was reproduced using eight different combinations of settings:

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