IMAGE FORMING APPARATUS AND CONTRACT SYSTEM FOR IMAGE FORMING APPARATUS

Abstract: an apparatus includes a lock member of a door that restricts, in a state in which a plurality of cartridges detachable from the apparatus is attached, removal of the plurality of consumable units from the apparatus. in a state in which a subscription contract of using a specific cartridge delivered from a service provider is made, in a case where at least one of the attached cartridges is the specific cartridge, the apparatus brings the lock member into a locked state, and when a predetermined unlock condition is satisfied, clears the locked state.

Inventor(s): EIICHIRO TESHIMA, TAKUYA HAYATO

CPC Classification: G03G21/1853 (using a processing cartridge {, whereby the process cartridge comprises at least two image processing means in a single unit})

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