Dell 5110cn - Color Laser Printer User Manual page 216

NOTE: If a paper jam occurs in the fuser area, a sheet of paper may already have been fed from the
tray. Make sure there is no paper remaining inside the printer, using step 8 through 14.
7. Close the front cover.
8. Slowly, completely remove the tray from the printer.
If the printer is equipped with an optional tray module, remove the trays sequentially, starting with the
bottom one.