Patent ID: 9291943
Filing Date: 2016-03-22
CPC Classification: G03G

Claim Text:
1. An image forming apparatus comprising: a cartridge installing section in which a first cartridge and a second cartridge are selectively installable, the first cartridge comprising: a first case configured to contain a first developer; a first developing roller; and a first transport member configured to transport the first developer toward the first developing roller, and the second cartridge comprising: a second case configured to contain a second developer, an amount of the second developer being greater than an amount of the first developer; a second developing roller; and a second transport member configured to transport the second developer toward the second developing roller; and a controller configured to: wherein the first transport member is a first supply roller configured to supply the first developer to the first developing roller, and wherein the second transport member is a second supply roller configured to supply the second developer to the second developing roller.