A mounting and demounting mechanism for a process cartridge detachably mountable to a main assembly of an electrophotographic image forming apparatus, the process cartridge including an electrophotographic photosensitive member and a process device actable on the electrophotographic photosensitive member. The disclosure also is directed to compositions, coatings, and medical devices comprising a metal-organic framework. The inventive gas-discharge reflector lamp comprises a light bulb and a burner arranged on current leads into the bulb. The calcined modified catalyst support has a pore volume of at least 0. The integrated circuit synchronizes data transferred between a debug controller that operates under control of a test clock and the processor core that operates under control of a processor clock. According to yet another method, a paint-carrying medium having a backing including opposite edges is provided.