Light barriers
196 Service Instructions 755 A/756 A - 00.0 - 02/2019
49. Press the button.
50. Switch off and on the machine again.
51. Perform a reference run.
 The settings are now saved.
24.3 Setting the correction values for the flap
Open the menu Program parameters to set the correction values for
the flap ( p. 299).
24.4 Aligning the air nozzles for cleaning the reflecting foils
The light barrier fixture is equipped with air nozzles for cleaning
the reflecting foils from dust and fluff.
Fig. 194: Aligning the air nozzles for cleaning the reflecting foils (1)
Proper setting
The air nozzles must be aligned in such a way that the air stream is
directed towards the reflecting foils while the transport clamp moves to
the loading position.
The transport clamps must be aligned correctly with the folder sole
( p. 127).
To align the air nozzles for cleaning the reflecting foils:
1. Switch off the machine.
2. Pull the transport clamps forward.
(1) - Screws
(2) - Air nozzles
(3) - Boot screen