A safety valve has a lock open feature that is actuated by expanding or penetrating the flow tube to disconnect the link between the piston in the hydraulic control system and the flow tube. The process cartridge housing includes: a smoothed surface portion including an inner face and an outer face; at least one protruding portion formed on the smoothed surface portion so as to protrude therefrom; and a structure having a surface configured for physically facilitation removal of the toner form the process cartridge housing, once attached thereto. All the image data mapped back to the reference time are added together. The second operating module forms reference lines according to reference points and the calibration point, forms reference angles according to the reference lines and a parallel line, generates reference coordinates of the reference points in an image and generates a calibration function according to the reference coordinates of the reference points and the reference angles. The lubricant container contains selected lubricant that evaporates from the container and contact to a surface of the microelectromechanical device for lubricating the surface.