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System Guide Printing
Common Controller 5-7
TIFF files
This section discusses the TIFF tags supported by the DocuSP
software and the guidelines for printing TIFF files to achieve the
optimum performance.
TIFF orientation
The DocuSP Save Feature stores TIFF images in different
orientations on the DocuTech/DocuPrint 75/90 and the
DocuTech 61XX. This is done by design to optimize productivity
and allow for the different finishing requirements of the print
engines controlled by the DocuSP software.
• DocuTech 61xx -- The DocuTech 61xx finishes the trail edge
of the pages and orients the image appropriately.
• DocuTech/DocuPrint 75/90 -- The DocuTech/DocuPrint 75/90
finishes the lead edge of the pages and orients the image
properly.
This difference can result in PostScript/VIPP files that call
Decomposition Service TIFFs being incompatible across the
different platforms. The imported TIFFs may print with a different
orientation relative to the PostScript image.
Prior to DocuSP 3.1, the controller utilized a conversion tool
(TIFF to PostScript) to process and print TIFF files. A native TIFF
decomposer has now been implemented to directly process TIFF
files for printing. This improves the TIFF printing performance for
certain types of files. Decomposer level adjustments are also
now available for the TIFF decomposer at the Queue level.
NOTE: Multipage TIFF files are now supported. Single TIFF files
can now contain multiple TIFF images to be processed and
printed.
Performance considerations
Optimum performance can be achieved for printing TIFF files by
following the guidelines listed below:
• Use CCITT Group 4 compression for speed.
• Use a resolution of 600 dpi to eliminate the need to scale the
image.