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(11)

EP 4 680 466 A1

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(43) Date of publication: 21.01.2026 Bulletin 2026/04 (21) Application number: 24709863.5 (22) Date of filing: 01.03.2024

(51) International Patent Classification (IPC):  B41J 2/14(2006.01) B41J 2/175(2006.01) B41J 2/055(2006.01) (52) Cooperative Patent Classification (CPC): B41J 2202/12; B41J 2202/15; B41J 2002/1437; B41J 2/14233; B41J 2002/14491; B41J 2002/14459; B41J 2002/14362; B41J 2002/14419; B41J 2/055; B41J 2202/20; B41J 2202/13; B41J 2/18 (86) International application number: PCT/IB2024/051983 (87) International publication number: WO 2024/189450 (19.09.2024 Gazette 2024/38)

(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 ME MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA Designated Validation States: GE KH MA MD TN (30) Priority: 15.03.2023 JP 2023040599 07.12.2023 JP 2023207135 (71) Applicant: Ricoh Company, Ltd. Tokyo 143-8555 (JP)	(72) Inventor: TANAKA, Makoto Tokyo 143-8555 (JP) (74) Representative: J A Kemp LLP  80 Turnmill Street London EC1M 5QU London EC1M 5QU (GB)