A paper folding machine is provided including a housing having upper and lower fold plates constructed for quick and easy removal of the upper plates from the machine so that repairs may be made. This hardware is provided in the form of a customary radio telephone which serves as a unit for controlling the elevator. The method may also include renewing the first bundle and the second bundle on the first renewal date if a balance of an account associated with the subscriber is greater than or equal to the first renewal fee plus the second renewal fee.