Here's the summary of output options, does anybody have a clue what I need to change to get full color again?
Print Preset: [Default] Printer: Adobe PDF PPD: Default (AdobePDF 8.0) General Copies: 1 Collate: Off Reverse Order: Off All Pages: On Skip Blank Pages: Off Paper Size: Custom Paper Width: 750 mm Paper Height: 600 mm Paper Orientation: Portrait Transverse: Off Print Layers: Visible & Printable Layers Do Not Scale Artwork: On Setup Crop Input Artwork to: Artboard Position on Media: Page Tool Origin X: -2818,1926 pt Origin Y: -3348,4258 pt Tiling: Single Full Page Marks and Bleed Trim Marks: Off Registration Marks: Off Color Bars: Off Page Information: Off Bleed Left: 0 pt Bleed Top: 0 pt Bleed Right: 0 pt Bleed Bottom: 0 pt Type: Roman Mark Weight: 0,25 pt Mark Offset: 6 pt Output Mode: Composite Emulsion: Up (Right Reading) Image: Positive Convert All Spot to Process: Off Overprint Black: Off Graphics Flatness: Automatic Font Download: Subset PostScript®: LanguageLevel 3 Data Format: ASCII Compatible Gradient and Gradient Mesh Printing: Off Color Management Source Space: Untagged CMYK Color Handling: Let Illustrator determine colors Profile: Dot Gain 10% Intent: Relative Colorimetric Preserve Uncalibrated Color Numbers: Off Advanced Print As Bitmap: Off Overprint: Discard Flattener Preset: [Medium Resolution] Raster/Vector Balance: 75 Line Art and Text Resolution: 300 Gradient and Mesh Resolution: 150 Convert All Text to Outlines: Off Convert All Strokes to Outlines: On Clip Complex Regions: On Warning The document contains overprinting. The document contains out-of-gamut image objects. The document contains missing linked files. The Document Raster Effects resolution is 72 ppi or less.