I used it on RBR750 and it worked fine until I bought some second-hand RBR750 machines with firmware 4.6.14.3 recently and found that it doesn't work anymore. There is no "Done sending..." message. It's very strange. same model,same firmware... Can you help me take a look?
I used it on RBR750 and it worked fine until I bought some second-hand RBR750 machines with firmware 4.6.14.3 recently and found that it doesn't work anymore. There is no "Done sending..." message. It's very strange. same model,same firmware... Can you help me take a look?