Upon activation, the Amazon Dash Replenishment service measures the toner level and automatically orders toner from Amazon when low. This ensures that you never run out again.Fast high quality printing and scanning at up to 30 ppm with automatic duplexWireless and wired networking,Standalone copying,Print Technology : B/W Laser Technology1 year limited warranty with free phone support for the life of your machineIt prints and copies sharp, professional black and white pages at up to 2400 x 600 dpi resolution