Folded printed products are supplied with trailing fold-edges from above towards a clamping gap and are pushed out of the clamping gap, in order to be deposited on, for example, saddle-like supports. The optical disk 101 has a control data area 102, and a data recording area 103 in which user data is recorded. A display system displays information. Results may be generated utilizing the speech recognition facility that may be independent of structured grammar, and may be based at least in part on the information relating to the recording. Moreover, the method includes activating an oil change indicator when the remaining oil life reaches a predetermined level.