Print-Ready Scan Enhancement

I have a set of scanned documents that must be sharpened for professional printing. The files are serviceable but the text and handwritten notes lose crispness when scaled for press, so the mission is... (Budget: ₹750 - ₹1250 INR, Jobs: Adobe InDesign, Adobe Photoshop, AI Image Editing, Graphic Design, Illustrator, Image Processing, Photoshop, Print Design)