1. How to copy a book?
Answer:Please set up interval of scanning in dialog box, preserve the name of files and path.
Then choose optional scanning, this is convenient to copy a book. If you want to make a PDF document in order to read easily, please refer to the sixth.
2. How to add words to scanned photos?
Answer:Click Edit-Text, with left-button-click in the edit area to get edit box. Input words in edit box. To finish enter, you just need to click outside of the edit box.
3. How to edit text files?
Answer:After scanning the files that need to edit, make recognition of it, you can edit it in the recognized dialog frame, also edit it by sending to Word.
4. How to produce PDF files?
Answer:Choose Make PDF and open plug-in. As follows:
(1) Switch one or some images into corresponding PDF documents 
Choose ADD Files, left-click the Mouse to choose the files what you want to switch. 
Choose "settings" and left- click the Mouse to choose "Convert one file to one PDF file". Choose "Make PDF.
(2) Some images turn into a PDF document
 Choose ADD Files, left-click and choose the files what you want to switch.
 Choose "settings" and left- click the Mouse to choose "Convert one file to one PDFfile" Choose "Make PDF"
(3) Convert a document folder to a PDF document
 Choose ADD Directories, Left-click "ADD Directories", choose the Directories what you want to switch.
 Choose "settings" and left- click the Mouse to choose "Convert one directories to
one PDF file".Choose "Make PDF"
5. How to use print(1:1)rightly?
Answer: this facility has three heights to scan, so it needs to choose the right height when you want to print. And at the same time, the picture you want to print must be got from this facility.
6. How to copy document with print (1:1)?
Answer:To get the best result, suggest the follow steps:
First, confirm that environment light is enough and adjust camera to its most clear-cut state.
Second, adjust video light, contrast and so on to get the right state.
Third, crop the redundant edge of the video.
Forth, dispose the picture with ground color removal and threshold. And eraser can be used here also.
Fifth, set print (1:1) height (refer to 5), print preview, print.
7. How to use OCR?
Answer:You must install OCR software before the function can be implemented.
8. How to raise the recognition rate of OCR?
Answer: It lies in the contrast and clear degree for words and background. Under this circumstance, it comes to 95%, and ensures the following factors:
1. Crop part images with words
2. Ensure the words not to incline (if inclined, please rotate the photographs)
3. Adjust the properties of video to raise the clear degree when scanning.