I have the same problem.
We use an Olivetti MF25 scanner copier etc. Its an old machine now, I use a generic twain driver v3 to scan. With openoffice 3.2.1 the scanner worked fine.
When the update to 3.3 came out, my colleague updated his. The scanner then had the problem where the device is not listed in View => insert => Picture => scanner => select source
My colleague who did the update switched over to libreoffice after this problem where I stayed on openoffice 3.2.1.
He recently updated his libreoffice to a newer version. He edited a password protected file and saved it. Now I cant open the password protected file. After reading the net the password protection system has all changed... something to do with AES encryption. So I have now updated my openoffice to version 3.4. This solved the file open issue, but now my scanner is now not listed.
I can use the windows scan program to scan in documents, save the image & insert into openoffice. I can also use serif pageplus, photoimpact and other software to scan and save without any problems. Serif can export as PDF, and I have also installed CutePDF to print a document as a PDF.
What I would like to do is to use openoffice writer to scan and save as PDF. I have looked to try and find a solution for this but have not been unable to.
Any help on this would be appreciated.
OpenOffice 3.4.1 on Windows 7