GBC eWire Service Manual page 148

REP 2.15 Alignment Sensor Replacement, S12, S13 & S15
PARTS LIST ON PL 5.2
Use the following procedures to remove and install the Alignment Sensors
(S12, S13, and S15). The Alignment Sensors are located on the
Alignment Sensor PCB (7715694).
WARNING
Do not perform repair activities with the power on or electrical power
supplied to the machine. Some machine components contain
dangerous electrical voltages that can result in electrical shock and
possible serious injury. See Section 0, page vi for other languages.
1. Switch power OFF to eWire.
2. Disconnect the Power Cord.
3. Do REP 1.1 Top Cover Replacement
4. Locate the Alignment Sensor PCB on the Bypass Panel.
Repairs/Adjustments
to remove the Top Cover.
Alignment PCB
5. Disconnect the Cable Connector from the PCB.
6. Release the Alignment Sensor PCB by removing the M3 Nuts (2)
7. Remove the old Alignment Sensor PCB from the Upper Bypass.
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GBC eWire