3-22 Troubleshooting Analysis Guide (TAGs)
4
Run diagnostic test 002.
Is 1-0 displayed?
No: Replace the PCL board, then turn to TAG 002: Check & Problem Resolution.
Yes: Continue.
5
Install the envelope tray.
Is a value other than 1-0 displayed?
No: Continue.
Yes: Replace the PCL board, then turn to TAG 002: Check & Problem Resolution.
6
Turn the printer off and unplug the power cord.
• Remove the envelope tray or feeder.
• Loosen the upper paper size sensor assembly for access to the circuit board.
• Disconnect J/P46.
• Activate the cassette in switch.
• Check P46-1 to P46-2 for continuity.
Is there continuity?
No: Replace the upper cassette in switch or wire harness W58, then turn to TAG 002: Check
& Problem Resolution.
Yes: Continue.
7
Reconnect J/P46.
• Disconnect J/P40 and J/P45.
• Check P40-49 to P45-2 for continuity.
Is there continuity?
No: Go to #10 in this TAG.
Yes: Continue.
8
Check P40-48 to P45-3 for continuity.
Is there continuity?
No: Continue.
Yes: Replace the upper paper size sensor assembly. If this does not resolve the problem,
replace the PCL board. Then turn to TAG 002: Check & Problem Resolution.
