Patent ID: 8408541

Claim:
A method of controlling transfer of paper comprising: stopping operation of a registration unit when a sheet of paper that is transferred from a plurality of auxiliary paper-feeding units of an image forming apparatus arrives at a predetermined position of the image forming apparatus so as to align a leading edge of the sheet at the registration unit; and in response to stopping of the registration unit, stopping operation of driving units of the plurality of auxiliary paper-feeding units that transferred the sheet, wherein the stopping of the operation of the driving units includes, upon a part of the sheet being located in a first driving units corresponding to one of the plurality of auxiliary paper-feeding units and another part of the sheet being located in a second driving units corresponding to another one of the plurality of auxiliary paper-feeding units, the first driving unit being a greater distance from the registration unit than the second driving unit, stopping an operation of the first driving unit, and stopping, at a later time, an operation of the second driving unit.