3. Make sure that the tray width and length guides are set to the correct paper size being installed into the 
tray and that the tray is not over lled above ll mark and over the tab on the tray.
Figure 2-75  Paper Tray guides
Figure 2-76  Paper height guides
4. Make sure that the Tray X pickup, feed, and separation roller are installed correctly and show no damage 
or wear.
5. Clean or replace the pickup/feed rollers as needed.
6. If printer has multiple 550 sheet feeders swap feeder position and test.
7. Check the connectors at the sensor (J1904), feed motor (J1903), on the Paper Feeder controller PCA for 
Tray 4.
8. Open the following menus:
ENWW Tools for troubleshooting 277