no desarme nada,el problema es el roller trasero. solo remueva un tornillo,saque un resorte y perfecto.efectos adversos: al quitar el resorte,solo podrá imprimir hojas individuales.ahorre blabla la solución esta en el minuto 15.

ingles
do not disassemble anything, the problem is the rear roller. just remove a screw, take out a spring and perfect. adverse effects: by removing the spring, you will only be able to print individual sheets. save blabla the solution is in minute 15