(19)

(11)

EP 2 605 912 A1

(12)

(43) Date of publication: 26.06.2013 Bulletin 2013/26 (21) Application number: 11818058.7 (22) Date of filing: 25.07.2011

(51) International Patent Classification (IPC):  B41J 2/175(2006.01) (86) International application number: PCT/JP2011/067564 (87) International publication number: WO 2012/023416 (23.02.2012 Gazette 2012/08)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR (30) Priority: 18.08.2010 JP 2010182734 (71) Applicant: Ricoh Company, Limited Tokyo 143-8555 (JP)	(72) Inventors: KOBAYASHI, Takeyuki Tokyo 143-8555 (JP) MASUNAGA, Suguru Tokyo 143-8555 (JP) (74) Representative: Leeming, John Gerard  J A Kemp 14 South Square Gray's Inn London WC1R 5JJ London WC1R 5JJ (GB)