The printer is a parter of compression testing machine, which usually in the machine controller. When people use compression testing machine digital type, the testing result could be automatically printed after test done. Compressive strength and flexural strength are shown on the paper. It is easy to know the result. But sometimes the printer of controller will be errors, not working. This video shows the steps how to solve the printer problem. Please follow it if the CTM is TSY-300, TST-300B, TSY-1000, TSY-2000, TSY-2000B, TSY-3000B, TYA-2000. The controller model is CL-03C.