ADS-4900W FAQs & Troubleshooting ADS-4900W Not your product? Sort by: Updated Date Popularity 2 Results 1. 06/27/2024 The scanning speed is slow when scanning from my machine. (Windows) 2. 09/26/2023 My documents saved or sent in the "Secure PDF Single-Page" or "Secure PDF Multi-Page" format are blank when opened with Adobe Acrobat Reader. Scan FAQs & Troubleshooting