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3-20 Troubleshooting Analysis Guide (TAGs)
9
Reconnect J/P40 and J/P45.
• Remove the lower cassette.
• Loosen the lower paper size sensor assembly for access to the circuit board.
• Disconnect J/P43 and J/P47.
• Check J43-8 to J47-3 for continuity.
Is there continuity?
No: Replace lower paper size sensor assembly, then turn to TAG 002: Check & Problem Res-
olution.
Yes: Repair or replace the connectors or wiring from:
P45-3 to P47-3,
P43-8 to J52-3, or
P40-48 to P52-3.
If this does not resolve the problem, replace the upper paper size sensor assembly. Then
turn to TAG 002: Check & Problem Resolution
10
Reconnect J/P40 and J/P45.
• Remove the lower cassette.
• Loosen the lower paper size sensor assembly for access to the circuit board.
• Disconnect J/P43 and J/P47.
• Check J43-9 to J47-2 for continuity.
Is there continuity?
No: Replace the lower paper size sensor assembly.
Yes: Repair or replace the connectors or wiring from:
P45-2 to P47-2,
P43-9 to J52-2 or
P40-49 to P52-2.
If this does not resolve the problem, replace the upper paper size sensor assembly. Then
turn to TAG 002: Check & Problem Resolution