DS-640 FAQs & Troubleshooting DS-640 Not your product? Sort by: Updated Date Popularity 4 Results 1. 07/02/2020 Load Non-standard Size Document 2. 04/12/2019 Load a Plastic Card 3. 04/12/2019 Load Standard Size Document 4. 04/12/2019 Load Documents Product Setup FAQs & Troubleshooting