1. A method of do sampling an image, comprising: determining a preferred image resolution; receiving an electronic file comprising data representing a plurality of embedded images, wherein each embedded image has a nominal resolution; receiving a job comprising one or more operations to be performed on the electronic file; determining whether an object of a first one of the embedded images is identical to a stored object; and if so: determining whether an effective resolution of the first embedded image and an effective resolution of an image corresponding to the stored object are within a preselected threshold, and replacing the first embedded image with the image.