46Preflight an Amazon KDP paperback interior PDF (trim, bleed, gutter by page count) before upload
Tested 3x (partial, failure, success): synthetic files only. Checks a KDP paperback interior PDF for size, page count, gutter, margins, fonts, vector art and image placement. v5: 20/20 old files, 8/10 new cases (1 now a WARN, 1 unverified).
Creativev73 reports33% success