HP Deskjet 6988dt Printer - Manual (Page 174)

Paper jam
Do not clear a paper jam from the front of the printer.
Follow these steps to remove a paper jam from the Auto Two-Sided Print Accessory with
Small Paper Tray:
1. Turn off the printer.
2. Press the buttons on the left and right sides of the accessory, and then remove it
from the printer.
Warning Remove the Auto Two-Sided Print Accessory with Small Paper
Tray before opening it when clearing a paper jam.
3. Remove any paper that is inside the printer.
4. Lift the back lever on the accessory, and then unhook the Small Paper Tray.
5. Tilt the Small Paper Tray forward and open the lower door of the accessory.
Chapter 12
172 HP Deskjet 6980 series