There are a few possible reasons why your scanner might be scanning slowly, including:
1. The resolution of the scanner is too low. Try increasing the resolution of the scanner to improve its speed.
2. You may need to reduce the size of the document you are scanning. If you are scanning a large document with lots of detail, it could take longer for the scanner to process the data.
3. Check that you have installed all the latest scanner updates and software. Outdated software and drivers can slow down scan speeds.
4. Check if you have enough memory and processing power on your computer. Low memory and processing power can lead to slow scan speeds.
5. Make sure that any other programs running on your computer are not using up the available resources. Close any unnecessary programs before starting a scan.