If your printer can't scan contract jams or other types of paper, it may be because it doesn't support scanning this type of paper. In this case, you may need to seek other solutions. Here are some possible solutions:

1. Replace printer: If you often need to scan different types of paper, you may need to consider replacing a printer suitable for this purpose.

2. Confirm the printer settings: Confirm whether the printer settings are correct, and try to scan the contract paper jam with different options. If you are not sure about the setting method, you can refer to the printer instruction manual or online search.

3. Manual operation: Manual operation may be an effective solution. You can use the manual scanning option to scan contract paper jams. This usually requires putting the paper on the scanner and then starting the scanning process.

4. Use professional software: If all the above methods fail, then you can consider using professional software. These softwares can help you scan all kinds of documents, including contract paper jams. These softwares usually need overhead, but they can reduce the time and workload of manual operation.

In short, it is better to find other solutions for printers that cannot scan contract jams. Try different options first, such as changing printer settings, and then consider manual operation or professional software. If all these methods fail, replacing the printer may be the solution.