An apparatus and method for starved air gasification of solid organic materials, including biomass and other wastes, to convert the chemical energy stored in such materials to thermal energy or gaseous products that may be used in biochemical andor chemical synthesis. In one implementation, a memory device comprises a controller memory, a main memory, a buffer to the main memory and a controller comprising a processor. The aligning process comprises unevenly activating nips within the sheet registration carriage and moving the sheet registration carriage in a lateral direction perpendicular to the process direction.