Hi,

When I want to convert pdf file to jps files, watermark comes to in
front of the text with a very dark color.

Here is an example.
http://www.pdf-to-image-online.com/result.rar

I use windows platform and ghostscriptWrapper.
And the dll version is 8.7.1

The parameters are here.

Os is Windows 2003 Server.

Thank you for any help

                // Keep gs from writing information to standard output
                "-q",
                "-dQUIET",

                "-dPARANOIDSAFER",       // Run this command in safe
mode
                "-dBATCH",               // Keep gs from going into
interactive mode
                "-dNOPAUSE",             // Do not prompt and pause
for each page
                "-dNOPROMPT",            // Disable prompts for user
interaction
                "-dMaxBitmap=500000000", // Set high for better
performance

                // Set the starting and ending pages
                String.Format("-dFirstPage={0}", firstPage),
                String.Format("-dLastPage={0}", lastPage),

                // Configure the output anti-aliasing, resolution, etc
                "-dAlignToPixels=0",
                "-dGridFitTT=0",
                "-sDEVICE=jpeg",
                "-dTextAlphaBits=4",
                "-dGraphicsAlphaBits=4",
                String.Format("-r{0}x{1}", width, height),

                // Set the input and output files
                String.Format("-sOutputFile={0}", outputPath),
                inputPath