Light barriers
118 Service Instructions 745-35-10 S/745-35-10 A - 02.0 - 04/2017
To prepare sewing unit and transport clamps:
1. Place material below the transport clamps.
2. Open the menu Service > Machine test and press the button 
Align light barriers .
 Close flap clamp and folding plates.
Transport clamps are lowered.
3. Swing the folding station (3) out.
4. Pull the transport clamps to the front.
5. Align the light barriers with the middle of the reflecting foils (2).
 The range from seam beginning to seam end must be checked on 
the clamp.
• Orange LED on: Reflection present
• Orange LED off: reflection not present
• Orange LED flashes: weak signal, re-align light barriers or replace 
reflecting foils
• Green LED on: Switching signal stable
• Green LED off: Clean, readjust, or replace the light barrier or 
replace the reflecting foil
6. Apply the reflecting foils (2) on the left and the right along the entire 
length.
7. Slide the transport clamps back until they are positioned at the center 
below the light barriers.
8. Loosen the screws (1).
9. Align the light barriers on the reflecting foils (2).
10. Tighten the screws (1).
11. Slide the transport clamps to the rear and to the front position and 
check the alignment of the light barriers.