5. Open the duplex unit with the paper feed motor rotating.
6. Press the surface of the vertical transport roller [A] for the tray 1 gently with a small piece of paper,
as shown above.
7. Replace the one-way clutch [A] with P/N D1051166 if the roller stops easily.
8. Ask a customer to fix the end fence and side fences in the tray 1 with the end fence stopper and screws
installed in the tray 1.
• For details about fixing the end fence of the paper tray, see "Fixing the End Fence of the Paper
Tray" described below.
9. Instruct the customer to press down the paper stack until the bottom plate of the tray 1 is locked when
loading paper in the paper tray.
Fixing the End Fence of the Paper Tray
Troubleshooting Guide
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