Canon’s proprietary technology On-Demand Fixing consume less power and warm up quickly compared to the conventional fusing roller designs, enabling a fast warm up time and quick first print.The Canon all-in-one toner cartridge 325 integrates the photosensitive drum, cleaning unit and toner reservoir in one compact package, saving costs and making cartridge replacements easy.The printer can be configured to enter sleep mode and auto shutdown after it remains idle for a specified length of time, consuming less energy. With a low Energy Star Typical Electricity Consumption value of 0.48kWh/week