A fiber optic polishing apparatus is disclosed including a single degree-of-freedom gear transmission system, a pressurizing module, a fixture module, and a housing assembly motorized polisher. The rotary body and the nip member may nip the endless belt therebetween. The layout further addresses the customer desires for additional storage, cup holders, a writing surface and a place to keep papers and clipboards. The second swing arm has a first end and a second end. The polyalkylene block copolymer lubricants can have a formula represented as A-B or A-B-A. The non-photosensitive region responds to a read signal, applied independently of the transfer signal, by outputting charges on the readout sites.