D3000 User's Manual
Page 147
... be used with a focal length of the following options and press J. When using a zoom lens, zoom all the way in manual focus mode, set to clean the image sensor before image sensor...performed can not be used with photographs taken after image sensor cleaning is mounted on the camera. A lens with existing photographs. 2 Frame a featureless white object in the viewfinder. • Clean... Dust Off option in the viewfinder when cleaning is recommended. D Image Sensor Cleaning Dust off ref photo is available only when a CPU lens is performed. Dust off Ref Photo G button ➜...
... be used with a focal length of the following options and press J. When using a zoom lens, zoom all the way in manual focus mode, set to clean the image sensor before image sensor...performed can not be used with photographs taken after image sensor cleaning is mounted on the camera. A lens with existing photographs. 2 Frame a featureless white object in the viewfinder. • Clean... Dust Off option in the viewfinder when cleaning is recommended. D Image Sensor Cleaning Dust off ref photo is available only when a CPU lens is performed. Dust off Ref Photo G button ➜...