| 摘要 |
An image forming apparatus includes: a first cartridge configured to contain developer of a first color; a second cartridge configured to contain developer of a second color; a processor; and memory storing computer readable instructions that, when executed by the processor, causing the image forming apparatus to: indicate the necessity to replace the first cartridge by using at least information based on a first use amount and information based on a number of printed sheets; and indicate the necessity to replace the second cartridge by using at least information based on a second use amount without using the information based on the number of printed sheets. |
