Image forming apparatus including toner cartridge having toner memory and drum cartridge having drum memory
AssigneeBrother Kogyo Kabushiki Kaisha
InventorTadao KYOTANI
Life of this patent
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Abstract
An image forming apparatus includes: a toner cartridge; a drum cartridge to which the toner cartridge is attachable; and a controller. The toner cartridge is configured to accommodate toner therein. The toner cartridge includes a toner memory. The drum cartridge includes: a photosensitive drum; and a drum memory. The controller is configured to perform: a first determination process to determine whether communication with the drum memory is established; and after determining in the first determination process that the communication with the drum memory is established, a second determination process to determine whether communication with the toner memory is established.
Claims30
An image forming apparatus comprising:
- a toner cartridge configured to accommodate toner therein, the toner cartridge including a toner memory;
- a drum cartridge to which the toner cartridge is attachable, the drum cartridge including:
- a photosensitive drum;
- and
- a drum memory;
- and
- a controller configured to perform:
- a first determination process to determine whether communication with the drum memory is established;
- and
- after determining in the first determination process that the communication with the drum memory is established, a second determination process to determine whether communication with the toner memory is established.
An image forming apparatus comprising:
- a toner cartridge including a toner memory;
- a drum cartridge to which the toner cartridge is attachable, the drum cartridge including:
- a photosensitive drum;
- and
- a drum memory;
- and
- a controller configured to perform:
- a first determination process to determine whether communication with the drum memory is established;
- a second determination process to determine whether communication with the toner memory is established;
- and
- an error outputting process including:
- in response to determining in the first determination process that the communication with the drum memory is not established, outputting a first error;
- and
- in response to determining in the second determination process that the communication with the toner memory is not established, outputting a second error, the outputting a first error being performed in preference to the outputting a second error.
An image forming apparatus comprising:
- a toner cartridge including a toner memory;
- a drum cartridge to which the toner cartridge is attachable, the drum cartridge including:
- a photosensitive drum;
- and
- a drum memory;
- and
- a controller configured to perform:
- retrieving information stored in the toner memory from the toner memory;
- and
- writing the information retrieved from the toner memory in the retrieving into the drum memory.
Dependencies are inferred from the claim text.