You need to darken the scan with the scanner controls. Under Create PDF from Scan in Acrobat 8 make sure you show scanners native interface under Scanner options button. Darken the scan and adjust contrast with the scanner native tools before you scan.
Tom is a Professional Engineer and an ACE on 5 versions of Acrobat. He works extensively in AEC, government and education.
Tom is a Professional Engineer and an ACE on 5 versions of Acrobat. He works extensively in AEC, government and education.