we have recently upgraded our adobe reader software to 8.0 from versions 6 and 7. we have autocad drawings that we have converted to pdf. they view in color, but i want to print them as black. prior versions had an option to force this. when we print the color pdf from version 8.0 on a laser printer, it prints shades of gray and some are too light to see.
Suggestion 1: You may need to adjust Adobe Distiller settings. Try this. Go to Windows Control Panel, click Printers, click the General tab, click Printing Preferences, and set the Adobe PDF settings to the desired output paying particular to the output color.
Suggestion 2: In Acrobat, click Edit Preference, select Convert to PDF, from the list of formats, find the output format for the authoring application of your auto cad drawing and click edit settings.
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