Export a PDF using Adobe InDesign
File / Export
Format Adobe PDF
Preset - (Custom)
General - All can be checked if no blank pages exist
Compression - Raster Art vs. Vector Art
Down Sample Color and Grayscale images to 300 DPI for any images over 450 DPI
Compression set at Automatic
Image Q set Max
Down Sample Monochrome Images (Vector/Bitmap) 1200 DPI for anything over 1800 PI
Compression set at CCITT Group 4
