| CPC G03G 15/0863 (2013.01) [B41J 2/17546 (2013.01); G03G 15/5016 (2013.01); G03G 21/1878 (2013.01); G03G 2215/0695 (2013.01); G03G 2215/0697 (2013.01); G03G 2221/1823 (2013.01)] | 8 Claims |

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1. A method comprising:
when a service contract associated with an image forming apparatus is cancelled, displaying, by a personal computer, an image showing an option to purchase a contract cartridge according to a cancellation of the service contract for the image forming apparatus, the contract cartridge being used in the image forming apparatus in a state where the image forming apparatus is in a contract state, and the contract cartridge being configured to be not usable in the image forming apparatus in a state where the image forming apparatus is in a normal state;
selecting the option to purchase the contract cartridge in a state where the image forming apparatus is in the contract state; and
transmitting, from the personal computer, an instruction indicating to purchase the contract cartridge.
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