GBC FusionPunch II Service Manual page 75

With the jumper in place, LED LIB8
extinguishes.
Y N
Replace the Stacker I/O PWB (PL
3.3).
Leave the connector disconnected and go
to Step 7.
7. On the problem Stacker, check for +24
VDC between P/J 1-0 V and P/J 1-24 V.
There is +24 VDC at this point.
Y N
Replace the Stacker I/O PWB (PL
3.3).
Check the harness between the sensor
and its plug on the Stacker I/O PWB. If the
harness is OK, replace the Bypass Exit
sensor (PL1.3A).
GBC FusionPunch II Service Manual
12/2003
2-51
RAP 5.5 Stacker Bypass Exit Sensors