Another way of aligning sheets during sheet travel is to use alignment tables. A diagonal suction belt transports each individual sheet to a side stop bar where the sheet is then aligned.
Specially developed sensor packages are available for sheet monitoring applications in the field of security printing. In addition to standard double sheet detection, alignment accuracy can also be monitored and used to trigger further actions. Another option enables the monitoring of indented sheets that cannot be detected using double sheet detection techniques.
The following alignment table models are available: