Patent ID: 8971730
Filing Date: 2015-03-03
Classification: G03G

Abstract:
1. An image forming apparatus to which a cartridge including a first cartridge contact and a second cartridge contact is detachably mountable, comprising: a guiding member for guiding the cartridge to a positioning portion provided in a main assembly of said image forming apparatus; a first main assembly contact contactable to the first cartridge contact when the cartridge is positioned partway toward the positioning portion and is positioned in the positioning portion; a second main assembly contact contactable to the second cartridge contact when the cartridge is positioned partway toward the positioning portion; a third main assembly contact contactable to the second cartridge contact only when the cartridge is positioned in the positioning portion; and detecting means for detecting presence or absence of the cartridge in the main assembly and a mounted state of the cartridge by being electrically connected with said first, second and third main assembly contacts.