Image forming apparatus restricting usage of non-specific-color cartridge

An image forming apparatus comprising:

• a main casing;
• a plurality of cartridges capable of being attached to the main casing, the plurality of cartridges including:
• a specific-color cartridge including:
• a specific-color casing configured to accommodate printing material of a specific color;
• and
• a specific-color memory configured to store type information indicating one of a normal type and a subscription type;
• and
• a non-specific-color cartridge including:
• a non-specific-color casing configured to accommodate printing material of a non-specific color other than the specific color;
• and
• a non-specific-color memory configured to store type information indicating one of a normal type and a subscription type;
• a printing mechanism configured to execute a print process using the plurality of cartridges;
• and
• a controller configured to perform processes in accordance with an operation mode for the image forming apparatus, the operation mode being settable to one of a first subscription mode and a second subscription mode, the first subscription mode corresponding to a first subscription in which the specific-color cartridge is a subscription subject and the non-specific-color cartridge is not the subscription subject, the second subscription mode corresponding to a second subscription in which both the specific-color cartridge and the non-specific-color cartridge are the subscription subject,
• wherein the controller is configured to perform restricting usage of the non-specific-color cartridge in a case where the first subscription mode is set as the operation mode and the type information of the non-specific-color cartridge indicates the subscription type, compared to a case where the second subscription mode is set as the operation mode and the type information of the non-specific-color cartridge indicates the subscription type.