A wireless telecommunications system comprises a radio network layer for carrying mobile-specific signaling, and a transport layer for establishing user channels between system nodes over a transport network. This fuser member has a fuser base and a fusing surface layer, and the fusing surface layer contains a fluoroelastomer and filler particles. The camera is connected to the control unit of the apparatus and the control unit is arranged to store the picture of each individual tissue specimen and information which is located on the relevant microscopic slide and preferably also information about the staining program and status of reagents at the reagent stations for automatic transmission of the information to a place for result analysis.