258 Océ 9600 Copier/Printer User Manual Clear a jam in the belt unit1 Open the belt unit door(see figure 152).[152] Opening the belt unit door2 Squeeze the two green knobs in the upper section of the belt unit and open theplate (see figure 153).[153] Opening the plate3 Remove any jammed printing material.4 Squeeze the two knobs again and put the plate in its original position.