1. A method of operating a document feeding system to approximate a 240 DPI feedwise scan resolution, said system including means for feedwise advancing said document by either one four-hundredth of an inch or one two-hundredth of an inch, said method comprising the steps of: a--advancing said document by said one two-hundredth of an inch; b--advancing said document by said one four-hundredth of an inch; c--advancing said document by said one two-hundredth of an inch; and d--repeating said steps a-c.