(19)

(11)

EP 4 816 173 A1

(12)

(43) Date of publication: 07.10.2026 Bulletin 2026/41 (21) Application number: 24820454.7 (22) Date of filing: 31.10.2024

(51) International Patent Classification (IPC):  B41J 2/14(2006.01) (52) Cooperative Patent Classification (CPC): B41J 2202/05; B41J 2/14201 (86) International application number: PCT/IB2024/060736 (87) International publication number: WO 2025/114792 (05.06.2025 Gazette 2025/23)

(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: 30.11.2023 JP 2023202850 (71) Applicant: Ricoh Company, Ltd. Tokyo 143-8555 (JP)	(72) Inventor: HANADA, Takaya Tokyo 143-8555 (JP) (74) Representative: J A Kemp LLP  80 Turnmill Street London EC1M 5QU London EC1M 5QU (GB)