Oki ML5520 User Manual page 26

2. Grasp the tabs and lift off the sheet guide.
3. Pull up on the lock levers to release them.
NOTE
The movement of the left tractor (as viewed from the front of the printer) is
restricted to ensure that the paper covers the paper out sensor.
4. Move the left tractor to the position to match your paper size and push back on the
lever to lock it in place, then move the right tractor to fit the width of the paper. You
will find reference marks (1 in illustration below) on the printer for the two most
common paper sizes:
10 16 15
9.5
5520/5590 5521/5591
1
Using your printer > 26