Oce CS2436 User Manual page 665

Troubleshooting (CS2436-11)
4.
Fold an A4 sheet lengthwise four times and insert it through the gap of the Paper Feed Slot.
Push the scrap out toward the Platen.
5.
Remove the scrap when it is pushed out onto the Platen.
6.
If any scraps remain inside the paper feed slot, repeat steps 4 and 5.
7.
Holding it at the positions indicated, close the Roll Cover.