Did you uninstall, reboot and then reinstall? If you didn't reboot, then
your chances of it working are slim.
Unfortunately there is no way to just add the printer...

Patrick Schmid [OneNote MVP]
--------------
http://pschmid.net
***
Office 2007 RTM Issues: http://pschmid.net/blog/2006/11/13/80
***
Customize Office 2007: http://pschmid.net/office2007/customize
RibbonCustomizer Add-In: http://pschmid.net/office2007/ribboncustomizer
OneNote 2007: http://pschmid.net/office2007/onenote
***
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"Julian" <Julian@discussions.microsoft.com> wrote in message
news:322E6514-38E4-466F-A95D-AFF2CBE42CD2@microsoft.com:

> I uninstalled onenote 2007 and reinstalled it that did not help.
> I could do the same for the whole office package but the onenote printer is
> specific for just onenote so why should it help?
>
> Do you have other suggestions?
> It should work out to add the printer function manually just like adding a
> hardware printer?
>
>
> "Patrick Schmid [MVP]" wrote:
>
> > I'd suggest to remove that add-in right away, because that is for 2003.
> > After that, remove 2007 and reinstall it.
> >
> > Patrick Schmid [OneNote MVP]
> > --------------
> > http://pschmid.net
> > ***
> > Office 2007 RTM Issues: http://pschmid.net/blog/2006/11/13/80
> > ***
> > Customize Office 2007: http://pschmid.net/office2007/customize
> > RibbonCustomizer Add-In: http://pschmid.net/office2007/ribboncustomizer
> > OneNote 2007: http://pschmid.net/office2007/onenote
> > ***
> > Subscribe to my Office 2007 blog: http://pschmid.net/blog/feed
> >
> > "Julian" <Julian@discussions.microsoft.com> wrote in message
> > news:F7FC9CD8-CD59-46AD-8085-94EB89FBFCEE@microsoft.com:
> >
> > > Hi
> > > I have been using onenote 2007 printer function for a while. Suddenly the
> > > onenote printer is not found anymore for some reason.
> > > I did the following with no help
> > >
> > > -I reinstalled the "send to onenote" add-in for MS office
> > > -I ran MS office diagnostics tool
> > >
> > > Do you have other suggestions?
> > > i.e add the printer manually?
> >
> >