You can try some official manga platforms that offer free sections or limited-time free reads. For example, some publishers might have promotions on their own websites.
Well, some libraries might have digital collections of manga that include JJK. You could also check out official manga apps or platforms that have the licensing rights.
Perhaps they are good at regularly updating their novel collection. This means that readers can always expect new and fresh content. They may also have a community feature where readers can discuss the novels they've read, share their thoughts, and even recommend novels to each other, enhancing the overall reading experience.
First, get a scanner with good resolution. Position the comic carefully to avoid any distortion. Also, adjust the scanner settings for optimal image quality. And remember to handle the comics gently to prevent damage.