Arrangement for feeding sheets has sensor device with ultrasonic sensor(s) arranged below upper edge of stack and in front of longitudinal side of stack facing printing machine

摘要

The sheet feeding arrangement (9) contains at least one sensor device (17) for determining the height position of the topmost sheet on the stack (3). The sensor device contains at least one ultrasonic sensor (25), which is arranged below the upper edge of the stack and in front of the longitudinal side (31) of the stack facing the printing machine. Independent claims are also included for the following: a method of controlling the height position of stacked sheets.