HP MFP M528f Monochrome Laser Printer - Manual (Page 193)

1. If paper is visible in the output bin, grasp the
leading edge and remove it.
Clear paper jams in the duplexer—13.CX.XX, 13.DX.XX
Use the following procedure to check for paper in all possible jam locations in the automatic duplexer. When a
jam occurs, the control panel displays an animation that assists in clearing the jam.
1. Remove Tray 2 from the printer.
2. Pull forward on the green tab inside the tray area
to release the duplex pan.
ENWW Clear paper jams 179