What Ive learned about neat receipts
For most uses that don't require too much detail, this resolution is generally more than enough. In some cases, you will need a document scanner with a much higher resolution. If you are planning to scan photographs as well as documents, you may want to look into a flatbed document scanner. There is a wide array of different models on the market, many with advanced features and attachments. If you want to capture your photo images with as much detail as possible, a 24 bit sampling document scanner would be the one to go for.