GBC StreamPunch Ultra Service Manual page 56

Sensors S18, S19, S20 and S21
To Access Sensors S18, S19, S20 and S21:
• Open the Front Door.
• Unlatch and open the Entrance Idler Panel.
S20
S18
Sensors S18 and S19 are on Mid Punch Large Backgage Sensor Board.
Sensors S20 and S21 are on Mid Punch XL Backgage Sensor Board.
GBC StreamPunch Ultra/Ultra MP
11-05-2018
2-39
S21
S19
RTPS