Welcome to LQ WWMPCDD, after reading youre log. id suggest you get a Different Driver.
The driver does not support Capturing methods, which most likely means the driver was intended for testing purposes only...
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To efficiently help you i will need a little more information..
What kernel and Distribution are you using?
Are you Familiar with a Terminal(console)?
(if you think you can do it on youre own, try this driver
http://svn.mediati.org/svn/r5u870/trunk/) its a SVN, so you must have the SVN package installed.
That Ricoh driver works on a wide range of Ricoh devices.