All of the TIFF image compression options are controlled through the Compression tab in the Printing Preferences dialog.

Close any open applications that you are printing from before making changes as not all applications will see your changes until they are re-started.

Changing the compression methods using the following steps is a global change, meaning that all applications will use these options when printing to Raster Image Printer.

Step by Step Instructions

 

1.From the Start menu, go to All Programs - Raster Image Printer 11.0 - Properties...

2.Click the Compression tab in the Printing Preferences dialog.

In the TIFF Image Compression section, change the compression method to use for each color model of TIFF image as desired.

3.Click the Apply button and then the OK button to set the changes.

4.Printing to Raster Image Printer from any application will now use the compression methods chosen, if any, to compress the file.

About the TIFF Compression Methods

The default compression methods chosen by Raster Image Printer upon install will often give the smallest TIFF image. When changing compression methods, take care to note any Color Reduction settings on the Save tab or any Color set on the Paper/Quality tab as these properties determine the color model of the TIFF image. Changing the compression method for Color Images to Medium Quality JPG when printing in Black and White or with Color Reduction set to Reduce to black and white will have no effect on the resulting black and white TIFF image.

 

Low, Medium and High JPEG and the JPEG Quality Factor

When using JPEG compression, a quality setting, or Q factor is often used to determine the  quality and level of compression.

With JPEG compression, which is a lossy compression algorithm, a higher quality factor produces a better image but a larger file. A lower quality factor will produce a smaller file but the image quality can be degraded.

The Q factor used by Raster Image Printer is a range of 1 to 100 with the individual compression levels set at follows:

JPEG Low Quality uses a Q Factor of 30

JPEG Medium Quality uses a Q Factor of 75

JPEG High Quality uses a Q Factor of 85 (100 for grey or indexed compression)

 

Image Color Model

Compression Methods

Used When...

Color Images

Uncompressed RGB

Uncompressed CMYK

Low Quality JPG

Medium Quality JPG

High Quality JPG

Packbits RGB

Packbits CMYK

LZW RGB

LZW CMYK

Color is chosen on the Paper/Quality tab and

Color Reduction on the Save tab is set to Reduce to optimal and there are more than 256 colors in the document

Color Reduction on the Save tab is set to None

Indexed Images

Low Quality JPG

Medium Quality JPG

High Quality JPG

Packbits

LZW

None

Color is chosen on the Paper/Quality tab and

Color Reduction on the Save tab is set to Reduce to optimal and there is less than 256 colors in the document

Greyscale Images

Low Quality JPG

Medium Quality JPG

High Quality JPG

Packbits

LZW

None

Color is chosen on the Paper/Quality tab and

Color Reduction on the Save tab is set to Reduce to optimal and there are only greyscale colors in the document

Color Reduction on the Save tab is set to Reduce to greyscale

Monochrome Images

CCITT Group 4 Fax

CCITT Group 3 2D Fax

CCITT Group 3 1D Fax

CCITT Modified Huffman

None

Black & White is chosen on the Paper/Quality tab

Color is set on the Paper/Quality tab and

Color Reduction on the Save tab is set to Reduce to optimal and there are only 2 colors, black and white, in the document

Color Reduction on the Save tab is set to Reduce to black and white

Fax mode is enabled on the FAX/TIFF tab.

 

CMYK Compression and Viewing TIFF Images

Not all image viewers understand CMYK compression, and as a result, may not display the TIFF image correctly. For example, Microsoft Document Imaging is known to have this problem, while Windows Photo Gallery (on Vista) or Windows  Picture and Fax Viewer (on XP) do display the TIFF correctly.