Rubber Rejuvenator (MAX PRO Brand)

Rubber Rejuvenator (10 oz. Can, MAX PRO Brand)

 
NOTE: This stuff is wonderful for cleaning fingeprints, oil, paper-dust, and other residue from feed and transport tires.  As always, test it on a small bit of the rubber before applying it across the entire tire, just in case its made of some strange rubber which might get damaged by solvents or sprays (it's very rare that they use such a rubber in a copier or printer).  
 
Note that the Xerox equivalent is sold in a 3 oz. can under the part number 43E270 (043E00270).  They call it Rubber Restorer.