A mattress with a rotating and waste elimination system comprises a mattress with a recessed area for receiving a rotation and waste elimination system. The flint holder consists of a holding part in the form of a thin plate, a fitting part and a molded hinge part, which integrally connects the holding and fitting parts in such a manner that they can bend. 25 millimetres; a disc grouping together all the points of the lens having the same abscissa and the same ordinate as points located inside said circle; a progression length of less than 14. The upper and lower cases are hermetically sealed by vibratory welding or heat welding, thus constituting the ink cartridge. The insert extends into the bore along an axial direction. The user apparatus includes an application information sending unit configured to send application information corresponding to the monitoring device application to the image forming apparatus, and a notice information control unit configured to acquire information about the image forming apparatus.