Diagnostic Information 2-57
4023-001
Finisher Upper Entrance Service Check
FRU Action
1 • Upper
Entrance
Switching
Solenoid
(SL1)
• Upper
Switching
Plate
• Finisher
Main Board
PWB-A
Paper entrance switch mechanism fails to operate
correctly.
• Check the upper entrance switching solenoid
SL1.
• Check the path of the paper through the upper
entrance switching plate.
• If problem persists, replace the finisher main
board PWB-A.
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