Henein, S.Schwab, Ph.2013-06-172013-06-172013-06-172009https://infoscience.epfl.ch/handle/20.500.14299/92808The present invention provides an image forming apparatus (210) as well as a developing cartridge (240) for use in an image forming apparatus, wherein a contact plate of an electrode (247) of the developing catridge is disposed to contact a bias terminal (258) coupled to a first wall (251a) of a drum unit (250) when the developing cartridge is installed in a developing cartridge installation portion (250a), and wherein a position where the electrode contacts the bias terminal when the developing cartridge is installed in a developing cartridge installation portion is inside an outer shape of the driven coupling (248a1) when viewed in a direction of the developing roller shaft (244a).patentCA2884991US9720347US2017082943US9513595US2016103417US9217988RU2564068CA2772851US2015010321US8886076US8873993US8798492US8787786DE202006021239US8693914DE202006021249US2014050508US2014044454US2014044453US2014044455PL1742116ES2422206EP1742116CN101614987RU2011120139US2012251187EP2290471US8213826CA2613964US2011299875MY144854RU2430396TWI348600US8014694DE602006021260AT505752EP1742117EP2290471US2010296833NZ565680AU2006267448RU2389052US7693442US7693443US7643770CN101614987JP4341619CN100541347RU2008104809CN100462869US2008298838EP1742116JP2007102152TW200715076CN1900849AU2006267448CA2613964CA2772851CA2884991WO2007007772US2007009281US2007009282EP1742116EP1742117CN18924853759743636930511