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Troubleshooting Analysis Guide (TAGs) 3-131
6
Turn the printer off and unplug the power cord.
• Disconnect J/P51 and J/P40.
• Check P40-26 to P51-1 for continuity.
Is there continuity?
No: Repair or replace the connectors or wiring from P40-26 to J/P50-4 to P51-1, then turn to
TAG 002: Check & Problem Resolution.
Yes: Continue.
7
Check P40-17 to P51-2 for continuity.
Is there continuity?
No: Repair or replace the connectors or wiring from P40-17 to J/P50-5 to P51-2, then turn to
TAG 002: Check & Problem Resolution.
Yes: Continue.
8
Check P40-13 to P51-3 for continuity.
Is there continuity?
No: Repair or replace the connectors or wiring from P40-13 to J/P50-6 to P51-3, then turn to
TAG 002: Check & Problem Resolution.
Yes: Continue.
9
Verify that the output tray full sensor is mounted properly.
• Verify that it moves down fully.
Is the output tray full sensor in good working order?
No: Replace the sensor, then turn to TAG 002: Check & Problem Resolution.
Yes: Replace the PCL board. If this resolves the problem, then turn to TAG 002: Check &
Problem Resolution. If this does not resolve the problem, replace wire harness W71 or
W52, then turn to TAG 002: Check & Problem Resolution.