4.1.3 Control panel21 345671. Paper jam ---Motor overloadRed light2. Security top cover openNo shred box or put wrong shred boxRed light3. Shred box full –checking door openRed light (it is apply to the model with shred box)4. Start key---- Shredder start—shred system run towards paper feeding direction5. Stop key—Shred system stop---paper shredder in spare using condition6. Reversing key(micro)Shred system reverse moving7. StartGreen light16