7. use card Ribbon cards in the process after the casing is not in accordance with the normal procedure to exit, but illegal operations to unstick things (by hand, use pliers, etc);
7. card ribbon Tubing course after exit but not in accordance with normal procedure to remove the jammed material irregularities (hand pull, with pliers, etc.);
7 the use of process card ribbon card sleeve is not in accordance with the normal steps to exit but irregularities unstick matter (by hand, with a pair of tongs etc.);