This is a closeup of the top side of the typing unit. The rubber hammer behind the print head was replaced since the original had turned to goo. I wasn't able to get an original replacement so it is replaced by a stick on rubber foot with RTV silicon to ensure it doesn't come off.
Another solution that was recommened to me is to slip a 3/4 inch length of 7/16 inch vinyl tubing over the print hammer bracket, from the end to the base of the "T". It helps to heat the tubing slightly first.
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