On 09/02/2012 14:18, Andrew May wrote:

In the meantime dos anyone have any ideas about the purpose of the
spring. It can be seen at the bottom of the photograph on page six of
the document here if anyone is interested.

http://www.vad1.com/photo/dirty-scan...2000-cleaning/

Note: that this is the LS-2000 but the mechanism looks almost identical.

Andrew

Sorry, wrong link. It is in the second photo on that page or on page six
of this document which does shoe the LS-30:

http://www.vad1.com/photo/dirty-scanner/nikon-ls-2000-lubrication-guide.pdf